; **************************************************************************** ; cgaplay.s - TRDOS 386 (TRDOS v2.0.9) WAV PLAYER - Video Mode 13h ; ---------------------------------------------------------------------------- ; CGAPLAY.PRG ! AC'97 (ICH) .WAV PLAYER program by Erdogan TAN ; ; 27/12/2024 - play music from multiple wav files - ; ; [ Last Modification: 05/02/2025 ] ; ; Modified from VGAPLAY3.PRG .wav player program by Erdogan Tan, 30/12/2024 ; ; **************************************************************************** ; nasm cgaplay.s -l cgaplay.txt -o CGAPLAY.PRG -Z error.txt ; 30/12/2024 ; vgaplay3.s ; 27/12/2024 ; vgaplay2.s : DMA buffer tracking (instead of user's audio buffer) ; 18/12/2024 ; ac97play.s : TUNELOOP version (playing without AC97 interrupt) ; vgaplay.s (26/12/2024) - play music from multiple wav files - ; dplayvga.s (25/12/2024) - play music from single wav file - ; ac97play.s (18/12/2024) - play music from multiple wav files - ; 07/12/2024 - playwav9.s - interrupt (srb) + tuneloop version ; ------------------------------------------------------------ ; INTERRUPT (SRB) + TUNELOOP version ; 24/11/2024 (PLAYWAV9.ASM) ; (running in DOSBOX, VIRTUALBOX, QEMU is ok) ; Signal Response Byte = message/signal to user about an event/interrupt ; as requested (TuneLoop procedure continuously checks this SRB) ; (TRDOS 386 v2 feature is used here as very simple interrupt handler output) ; ------------------------------------------------------------ ; 30/11/2024 ; 20/08/2024 ; TRDOS 386 v2.0.9 ; 29/04/2016 _ver equ 0 _exit equ 1 _fork equ 2 _read equ 3 _write equ 4 _open equ 5 _close equ 6 _wait equ 7 _creat equ 8 _link equ 9 _unlink equ 10 _exec equ 11 _chdir equ 12 _time equ 13 _mkdir equ 14 _chmod equ 15 _chown equ 16 _break equ 17 _stat equ 18 _seek equ 19 _tell equ 20 _mount equ 21 _umount equ 22 _setuid equ 23 _getuid equ 24 _stime equ 25 _quit equ 26 _intr equ 27 _fstat equ 28 _emt equ 29 _mdate equ 30 _video equ 31 _audio equ 32 _timer equ 33 _sleep equ 34 _msg equ 35 _geterr equ 36 _fpsave equ 37 _pri equ 38 _rele equ 39 _fff equ 40 _fnf equ 41 _alloc equ 42 _dalloc equ 43 _calbac equ 44 _dma equ 45 _stdio equ 46 ; ------------------------------------------------------------ %macro sys 1-4 ; 29/04/2016 - TRDOS 386 (TRDOS v2.0) ; 03/09/2015 ; 13/04/2015 ; Retro UNIX 386 v1 system call. %if %0 >= 2 mov ebx, %2 %if %0 >= 3 mov ecx, %3 %if %0 = 4 mov edx, %4 %endif %endif %endif mov eax, %1 ;int 30h int 40h ; TRDOS 386 (TRDOS v2.0) %endmacro ; Retro UNIX 386 v1 system call format: ; sys systemcall (eax) , , ; ------------------------------------------------------------ ; player internal variables and other equates. BUFFERSIZE equ 65536 ENDOFFILE equ 1 ; flag for knowing end of file ; ------------------------------------------------------------ [BITS 32] ; 32-bit intructions [ORG 0] START_CODE: ; Prints the Credits Text. sys _msg, Credits, 255, 0Bh ; clear bss mov edi, bss_start mov ecx, (bss_end - bss_start)/4 xor eax, eax rep stosd ; ------------------------------------------------------------- ; 21/12/2024 ; Detect (& Enable) AC'97 Audio Device call DetectAC97 jnc short ac97_hardware_ready ; 30/11/2024 ; 30/05/2024 _dev_not_ready: ; couldn't find the audio device! sys _msg, noDevMsg, 255, 0Fh jmp Exit ac97_hardware_ready: call write_audio_dev_info ; ------------------------------------------------------------- ; 30/12/2024 ;;; ; DIRECT VGA MEMORY ACCESS ; bl = 0, bh = 5 ; Direct access/map to VGA memory (0A0000h) sys _video, 0500h cmp eax, 0A0000h je short _a ; 30/12/2024 jmp trdos386_error _a: ;; Set Video Mode to 13h ;sys _video, 0813h ;cmp eax, 14h ;je short mode_13h_set_ok ; set VGA mode by using int 31h mov ax, 13h ; mode 13h ; int 31h ; real mode: int 10h ; ------------------------------------------------------------- mode_13h_set_ok: ; 30/12/2024 ; 24/12/2024 (setting for wave lighting points) ;mov eax, 0A0000h ;;add eax, 12*8*320 ;add eax, (13*8*320)+(2*320) ; wave graphics start (top) line/row ; 64 volume levels ;mov [graphstart], eax ; 30/12/2024 ;mov dword [graphstart], 0A0000h+(13*8*320)+(4*320) ; 01/01/2025 mov dword [graphstart], 0A0000h+(11*8*320)+(4*320) ; ------------------------------------------------------------- ; 25/12/2024 ; 28/11/2024 Player_InitalizePSP: ; 30/11/2024 ; (TRDOS 386 -Retro UNIX 386- argument transfer method) ; (stack: argc,argv0addr,argv1addr,argv2addr .. ; .. argv0text, argv1text ..) ; ---- argc, argv[] ---- mov esi, esp lodsd cmp eax, 2 ; two arguments ; (program file name & mod file name) jb pmsg_usage ; nothing to do ;mov [argc], al shl eax, 2 ; *4 add eax, esp ; eax = last argument's address pointer mov [argvl], eax ; last wav file (argument) mov [argv], esi ; current argument (PRG file name) lodsd ; skip program (PRG) file name mov [argvf], esi ; 1st wav file (argument) ; 30/12/2024 Player_ParseParameters: jmp short Player_ParseNextParameter ; 25/12/2024 check_p_command: ; 07/12/2024 mov esi, [argv] ; cmp byte [command], 'P' je short Player_ParsePreviousParameter ; 07/12/2024 ; 30/11/2024 ;mov esi, [argv] ; current argument (wav file) ptr add esi, 4 cmp esi, [argvl] ; last argument (wav file) ptr jna short Player_ParseNextParameter jmp_Player_Quit: jmp Player_Quit Player_ParsePreviousParameter: ; 29/11/2024 ;mov byte [command], 0 ; 30/11/2024 ;mov esi, [argv] ; 07/12/2024 cmp esi, [argvf] ; first argument (wav file) ptr jna short Player_ParseNextParameter sub esi, 4 Player_ParseNextParameter: ; 30/11/2024 mov [argv], esi ; set as current argument ; 01/12/2024 mov esi, [esi] ; 30/12/2024 ; 29/11/2024 call GetFileName ;jcxz jmp_Player_Quit jecxz jmp_Player_Quit ; 30/11/2024 ; 30/12/2024 ; open existing file ; 28/11/2024 mov edx, wav_file_name call openFile ; no error? ok. jnc getwavparms ; 14/11/2024 ; 29/11/2024 cmp byte [filecount], 0 ja short check_p_command ; 25/12/2024 ; 21/12/2024 call set_text_mode ; file not found! ; 30/11/2024 sys _msg, noFileErrMsg, 255, 0Ch jmp Exit _exit_: jmp terminate ; ------------------------------------------------------------- ; 26/12/2024 ; 25/12/2024 ; 30/11/2024 (32bit) ; 29/11/2024 ; 30/05/2024 GetFileName: mov edi, wav_file_name ; 30/11/2024 ;mov esi, [argv] xor ecx, ecx ; 0 ScanName: lodsb ;test al, al ;jz short a_4 ; 29/11/2024 cmp al, 0Dh jna short a_4 cmp al, 20h je short ScanName ; scan start of name. stosb mov ah, 0FFh ;;; ; 14/11/2024 ; (max. path length = 64 bytes for MSDOS ?) (*) ;xor ecx, ecx ; 0 ;;; a_0: inc ah a_1: ;;; ; 14/11/2024 inc ecx ;;; lodsb stosb cmp al, '.' je short a_0 ; 29/11/2024 cmp al, 20h ;and al, al ;jnz short a_1 ;;; ; 14/11/2024 jna short a_3 and ah, ah jz short a_2 cmp al, '/' ; 14/12/2024 jne short a_2 mov ah, 0 a_2: cmp cl, 75 ; 64+8+'.'+3 -> offset 75 is the last chr jb short a_1 ; 29/11/2024 sub ecx, ecx jmp short a_4 a_3: ; 29/11/2024 dec edi ;;; or ah, ah ; if period NOT found, jnz short a_4 ; then add a .WAV extension. SetExt: ; 29/11/2024 ;dec edi mov dword [edi], '.WAV' ; ! 64+12 is DOS limit ; but writing +4 must not ; destroy the following data ;mov byte [edi+4], 0 ; so, 80 bytes path + 0 is possible here ; 29/11/2024 add ecx, 4 add edi, 4 a_4: mov byte [edi], 0 ; 30/11/2024 retn ; ------------------------------------------------------------- getwavparms: ; 14/11/2024 call getWAVParameters jc short _exit_ ; nothing to do ; 17/11/2024 mov bl, 4 sub bl, byte [WAVE_BlockAlign] ; = 0 for 16 bit stereo ; = 2 for 8 bit stereo or 16 bit mono ; = 3 for 8 bit mono shr bl, 1 ; 0 --> 0, 2 --> 1, 3 --> 1 ; 15/11/2024 adc bl, 0 ; 3 --> 1 --> 2 mov byte [fbs_shift], bl ; = 2 mono and 8 bit ; = 0 stereo and 16 bit ; = 1 mono or 8 bit ; 29/12/2024 ; 30/05/2024 call codecConfig ; unmute codec, set rates. jc init_err ; ------------------------------------------------------------- StartPlay: ; 30/12/2024 mov byte [wpoints], 1 ;;; ; 09/12/2024 mov eax, 10548 ; (48000*10/182)*4 cmp byte [VRA], 0 jna short _w ; 48kHZ (interpolation) ; mov ax, [WAVE_SampleRate] mov ecx, 10 mul ecx mov cl, 182 div ecx ; ax = samples per 1/18.2 second ;mov cl, byte [WAVE_BlockAlign] ; 09/12/2024 ;mov cl, 4 ; 16 bit, stereo ;mul ecx shl eax, 2 ; * 4 _w: mov [wpoints_dif], eax ; buffer read differential (distance) ; for wave volume leds update ; (byte stream per 1/18.2 second) ; ------------------------------------------------------------- ; 25/12/2024 inc byte [filecount] mov byte [command], 0 ; 30/12/2024 mov byte [pbprev], -1 ; ------------------------------------------------------------- ; 07/12/2024 (playwav9.s) ; 18/11/2023 (ich_wav4.asm) ; 13/11/2023 (ich_wav3.asm) cmp byte [VRA], 1 jb short chk_sample_rate playwav_48_khz: mov dword [loadfromwavfile], loadFromFile ;mov dword [loadsize], 0 ; 65536 ;;; ; 17/11/2024 ;mov word [buffersize], 32768 ;mov ax, BUFFERSIZE/2 ; 32760 ; 30/11/2024 ;mov eax, BUFFERSIZE/2 ; 32768 ; 07/12/2024 mov eax, BUFFERSIZE ; 65536 mov [buffersize], eax ; 16 bit samples ; 07/12/2024 ;shl eax, 1 ; bytes mov cl, [fbs_shift] shr eax, cl ;mov [loadsize], ax ; 16380 or 32760 or 65520 mov [loadsize], eax ; 16384 or 32768 or 65536 ;;; ;jmp PlayNow ; 30/05/2024 ; 07/12/2024 jmp Player_Template ; 05/02/2025 chk_sample_rate: ; set conversion parameters ; (for 8, 11.025, 16, 22.050, 24, 32 kHZ) mov ax, [WAVE_SampleRate] cmp ax, 48000 je short playwav_48_khz chk_22khz: cmp ax, 22050 jne short chk_11khz cmp byte [WAVE_BitsPerSample], 8 jna short chk_22khz_1 mov ebx, load_22khz_stereo_16_bit cmp byte [WAVE_NumChannels], 1 jne short chk_22khz_2 mov ebx, load_22khz_mono_16_bit jmp short chk_22khz_2 chk_22khz_1: mov ebx, load_22khz_stereo_8_bit cmp byte [WAVE_NumChannels], 1 jne short chk_22khz_2 mov ebx, load_22khz_mono_8_bit chk_22khz_2: mov eax, 7514 ; (442*17) mov edx, 37 mov ecx, 17 jmp set_sizes chk_11khz: cmp ax, 11025 jne short chk_44khz cmp byte [WAVE_BitsPerSample], 8 jna short chk_11khz_1 mov ebx, load_11khz_stereo_16_bit cmp byte [WAVE_NumChannels], 1 jne short chk_11khz_2 mov ebx, load_11khz_mono_16_bit jmp short chk_11khz_2 chk_11khz_1: mov ebx, load_11khz_stereo_8_bit cmp byte [WAVE_NumChannels], 1 jne short chk_11khz_2 mov ebx, load_11khz_mono_8_bit chk_11khz_2: mov eax, 3757 ; (221*17) mov edx, 74 mov ecx, 17 jmp set_sizes chk_44khz: cmp ax, 44100 jne short chk_16khz cmp byte [WAVE_BitsPerSample], 8 jna short chk_44khz_1 mov ebx, load_44khz_stereo_16_bit cmp byte [WAVE_NumChannels], 1 jne short chk_44khz_2 mov ebx, load_44khz_mono_16_bit jmp short chk_44khz_2 chk_44khz_1: mov ebx, load_44khz_stereo_8_bit cmp byte [WAVE_NumChannels], 1 jne short chk_44khz_2 mov ebx, load_44khz_mono_8_bit chk_44khz_2: ; 30/11/2024 (TRDOS 386, 32bit DOS) mov eax, 15065 ; (655*23) ; 18/11/2023 ((file size + bss + stack) <= 64KB) ;mov ax, 14076 ; (612*23) ; 17/11/2024 ;mov ax, 12650 ; (550*23) mov edx, 25 mov ecx, 23 jmp set_sizes chk_16khz: cmp ax, 16000 jne short chk_8khz cmp byte [WAVE_BitsPerSample], 8 jna short chk_16khz_1 mov ebx, load_16khz_stereo_16_bit cmp byte [WAVE_NumChannels], 1 jne short chk_16khz_2 mov ebx, load_16khz_mono_16_bit jmp short chk_16khz_2 chk_16khz_1: mov ebx, load_16khz_stereo_8_bit cmp byte [WAVE_NumChannels], 1 jne short chk_16khz_2 mov ebx, load_16khz_mono_8_bit chk_16khz_2: ; 30/11/2024 (TRDOS 386, 32bit DOS) mov eax, 5461 ; 17/11/2024 ;mov ax, 5460 mov edx, 3 mov ecx, 1 jmp set_sizes chk_8khz: cmp ax, 8000 jne short chk_24khz cmp byte [WAVE_BitsPerSample], 8 jna short chk_8khz_1 mov ebx, load_8khz_stereo_16_bit cmp byte [WAVE_NumChannels], 1 jne short chk_8khz_2 mov ebx, load_8khz_mono_16_bit jmp short chk_8khz_2 chk_8khz_1: mov ebx, load_8khz_stereo_8_bit cmp byte [WAVE_NumChannels], 1 jne short chk_8khz_2 mov ebx, load_8khz_mono_8_bit chk_8khz_2: mov eax, 2730 mov edx, 6 mov ecx, 1 jmp set_sizes chk_24khz: cmp ax, 24000 jne short chk_32khz cmp byte [WAVE_BitsPerSample], 8 jna short chk_24khz_1 ; 18/01/2025 (BugFix) ; bx -> ebx mov ebx, load_24khz_stereo_16_bit cmp byte [WAVE_NumChannels], 1 jne short chk_24khz_2 mov ebx, load_24khz_mono_16_bit jmp short chk_24khz_2 chk_24khz_1: mov ebx, load_24khz_stereo_8_bit cmp byte [WAVE_NumChannels], 1 jne short chk_24khz_2 mov ebx, load_24khz_mono_8_bit chk_24khz_2: ; 30/11/2024 (TRDOS 386, 32bit DOS) mov eax, 8192 ; 17/11/2024 ;mov ax, 8190 mov edx, 2 mov ecx, 1 jmp set_sizes ; 02/02/2025 chk_32khz: cmp ax, 32000 ;jne short vra_needed ; 05/02/2025 jne short chk_12khz cmp byte [WAVE_BitsPerSample], 8 jna short chk_32khz_1 mov ebx, load_32khz_stereo_16_bit cmp byte [WAVE_NumChannels], 1 jne short chk_32khz_2 mov ebx, load_32khz_mono_16_bit jmp short chk_32khz_2 chk_32khz_1: mov ebx, load_32khz_stereo_8_bit cmp byte [WAVE_NumChannels], 1 jne short chk_32khz_2 mov ebx, load_32khz_mono_8_bit chk_32khz_2: ; 30/11/2024 (TRDOS 386, 32bit DOS) mov eax, 10922 ; 17/11/2024 ;mov ax, 10920 mov edx, 3 mov ecx, 2 ; 05/02/2025 jmp short set_sizes ; 07/12/2024 vra_needed: ; 30/11/2024 (TRDOS 386, ax -> eax) ; 13/11/2023 pop eax ; discard return address to the caller ; 30/05/2024 vra_err: ; 21/12/2024 call set_text_mode ; 30/11/2024 sys _msg, msg_no_vra, 255, 0Fh jmp Exit ;;;; ; 05/02/2025 chk_12khz: cmp ax, 12000 jne short vra_needed cmp byte [WAVE_BitsPerSample], 8 jna short chk_12khz_1 mov ebx, load_12khz_stereo_16_bit cmp byte [WAVE_NumChannels], 1 jne short chk_12khz_2 mov ebx, load_12khz_mono_16_bit jmp short chk_12khz_2 chk_12khz_1: mov ebx, load_12khz_stereo_8_bit cmp byte [WAVE_NumChannels], 1 jne short chk_12khz_2 mov ebx, load_12khz_mono_8_bit chk_12khz_2: mov eax, 4096 mov edx, 4 mov ecx, 1 ; 05/02/2025 ;jmp short set_sizes ;;;; set_sizes: ; 30/11/2024 (TRDOS 386, 32bit DOS) ;;; ; 17/11/2024 push ecx mov cl, 2 sub cl, [fbs_shift] ; = 2 for 16 bit stereo ; = 1 for 16 bit mono or 8 bit stereo ; = 0 for 8 bit mono shl eax, cl pop ecx mov [loadsize], eax ; (one) read count in bytes ;;; mul edx cmp ecx, 1 je short s_2 s_1: div ecx s_2: ;;; ; eax = byte count of (to be) converted samples ; 17/11/2024 ;;; mov cl, [fbs_shift] shl eax, cl ; *1 for 16 bit stereo ; *2 for 16 bit mono or 8 bit stereo ; *4 for for 8 bit mono ;;; ; eax = 16 bit stereo byte count (target buffer size) ; 07/12/2024 ;shr eax, 1 ; buffer size is 16 bit sample count mov [buffersize], eax ; buffer size in bytes mov [loadfromwavfile], ebx ; ------------------------------------------------------------- ; 30/12/2024 Player_Template: ; 21/12/2024 call clearscreen call drawplayingscreen ; 14/11/2024 call SetTotalTime call UpdateFileInfo ; ------------------------------------------------------------- ; 30/12/2024 (cgaplay.s) ; 29/12/2024 (vgaplay3.s) ; 18/12/2024 (ac97play.s) PlayNow: ; 01/12/2024 (32bit) ; 14/11/2024 ;mov al, 3 ; 0 = max, 31 = min ; 14/12/2024 mov al, [volume] call SetPCMOutVolume@ ; 15/11/2024 ;;call SetMasterVolume ;call SetPCMOutVolume ;;; ; 14/11/2024 call UpdateProgressBar ;;; ; 30/05/2024 ; playwav4.asm _2: call check4keyboardstop ; flush keyboard buffer jc short _2 ; 07/11/2023 ; play the .wav file. Most of the good stuff is in here. ; 05/12/2024 ; 02/12/2024 ;mov eax, [_bdl_buffer] ; BDL_BUFFER physical address ;_3: call PlayWav ; 30/12/2024 ; 29/12/2024 (vgaplay3.s) ; 27/12/2024 (vgaplay.s) _3: ; close the .wav file and exit. ; 25/12/2024 call closeFile ; 25/12/2024 ;;; ; reset file loading and EOF parameters ; 18/12/2024 mov dword [count], 0 mov dword [LoadedDataBytes], 0 mov byte [flags], 0 mov byte [stopped], 0 ; 29/12/2024 mov dword [pbuf_s], 0 ;;; cmp byte [command], 'Q' je short terminate jmp check_p_command terminate: call set_text_mode Exit: sys _exit halt: jmp short halt ; ------------------------------------------------------------- ; 30/05/2024 pmsg_usage: ; 21/12/2024 call set_text_mode ; 01/12/2024 sys _msg, msg_usage, 255, 0Fh jmp short Exit ; ------------------------------------------------------------- ; 30/05/2024 init_err: ; 21/12/2024 call set_text_mode ; 01/12/2024 sys _msg, msg_init_err, 255, 0Fh jmp short Exit ; ------------------------------------------------------------- ; 07/12/2024 error_exit: ; 21/12/2024 call set_text_mode trdos386_error: sys _msg, trdos386_err_msg, 255, 0Eh jmp short Exit ; ------------------------------------------------------------- ; 21/12/2024 print_msg: mov ah, 0Eh mov ebx, 7 ;mov bl, 7 ; char attribute & color p_next_chr: lodsb or al, al jz short p_retn ; retn int 31h jmp short p_next_chr p_retn: retn ; ------------------------------------------------------------- ; 30/12/2024 clearscreen: ; fast clear ; 320*200, 256 colors mov edi, 0A0000h mov ecx, (320*200*1)/4 xor eax, eax rep stosd retn ; ------------------------------------------------------------- ; 30/12/2024 (VGA Mode 13h, 320*200 pixels, 256 colors) ; 26/12/2024 ; 21/12/2024 drawplayingscreen: mov ebp, PlayingScreen ;mov esi, 0 ; row 0, column 0 mov esi, 00020000h ; row 2, column 0 ; top margin = 2 p_d_x: mov byte [columns], 40 mov dh, 01h ; 8x8 system font p_d_x_n: mov dl, [ebp] and dl, dl jz short p_d_x_ok ; sysvideo system call ; BH = 01h = VGA graphics (0A0000h) data transfers ; BL = 0Fh = write character/font ; DH = 01h = 8*8 system font ; CL = 0Fh = color (white) ; ESI = cursor/writing position (pixels) ; HW = row, SI = column sys _video, 010Fh, 0Fh inc ebp add si, 8 ; next char pos dec byte [columns] jnz short p_d_x_n ; next column xor si, si add esi, 00080000h ; next row ; 8*8 jmp short p_d_x p_d_x_ok: retn ; ------------------------------------------------------------- ; 21/12/2024 set_text_mode: xor ah, ah mov al, 3 ;int 10h ; al = 03h text mode, int 10 video int 31h ; TRDOS 386 - Video interrupt retn ; ------------------------------------------------------------- ; 02/12/2024 Player_Quit@: pop eax ; return addr (call PlayWav@) ; 29/11/2024 Player_Quit: jmp terminate ; ------------------------------------------------------------- ; 30/12/2024 (cgaplay.s) ; 29/12/2024 (vgaplay3.s) ; 02/12/2024 (ac97play.s) PlayWav: ; 30/12/2024 mov eax, [_bdl_buffer] ; BDL_BUFFER physical address or eax, eax jnz short PlayWav@ ; 29/05/2024 ; Allocate memory block (33 pages) sys _alloc, BDL_BUFFER, 33*4096, 0 ; no upper limit ;jc short Player_Quit ; 01/12/2024 jc short Player_Quit@ ; 02/12/2024 mov [_bdl_buffer], eax ; BDL_BUFFER physical address PlayWav@: ; create Buffer Descriptor List ; Generic Form of Buffer Descriptor ; --------------------------------- ; 63 62 61-48 47-32 31-0 ; --- --- -------- ------- ----- ; IOC BUP -reserved- Buffer Buffer ; Length Pointer ; [15:0] [31:0] ; 30/12/2024 add eax, 4096 ; WAVBUFFER_1 physical address mov ebx, eax ;mov [wav_buffer1], eax ;add eax, 65536 ; WAVBUFFER_2 physical address ;mov [wav_buffer2], eax mov edi, BDL_BUFFER mov ecx, 16 _pw0: ;mov eax, WAVBUFFER_1 mov eax, ebx ; WAVBUFFER_1 physical address stosd mov eax, [buffersize] ; 02/12/2024 shr eax, 1 ; buffer size in word or eax, BUP ; tuneloop (without interrupt) stosd ;mov eax, WAVBUFFER_2 mov eax, ebx add eax, 65536 ; WAVBUFFER_2 physical address stosd mov eax, [buffersize] ; 02/12/2024 shr eax, 1 ; buffer size in word or eax, BUP ; tuneloop (without interrupt) stosd loop _pw0 ; 14/11/2024 ;mov dword [count], ecx ; 0 ;mov dword [LoadedDataBytes], 0 RePlayWav: ; 01/12/2024 ; load 64k into buffer 1 mov edi, WAVBUFFER_1 ; 05/02/2025 mov [audio_buffer], edi call dword [loadfromwavfile] ; 01/12/2024 ; 14/11/2024 mov eax, [count] add [LoadedDataBytes], eax ; 18/12/2024 mov dword [count], 0 ; and 64k into buffer 2 mov edi, WAVBUFFER_2 ; 05/02/2025 mov [audio_buffer], edi call dword [loadfromwavfile] ; 01/12/2024 ; 14/11/2024 mov eax, [count] add [LoadedDataBytes], eax ; write NABMBAR+10h with offset of buffer descriptor list ;;mov eax, BDL_BUFFER ;mov eax, esi ; BDL_BUFFER physical address ;mov eax, [_bdl_buffer] ; BDL_BUFFER physical address ; 02/12/2024 mov ebx, [_bdl_buffer] mov dx, [NABMBAR] add dx, PO_BDBAR_REG ; set pointer to BDL ;out dx, eax ; write to AC97 controller ; 29/05/2024 ;mov ebx, eax ; data, dword ; 02/12/2024 ; ebx = [_bdl_buffer] ; data, dword mov ah, 5 ; write port dword int 34h ; 31/05/2024 ; 19/05/2024 ;call delay1_4ms mov al, 31 call setLastValidIndex ; 31/05/2024 ; 19/05/2024 ;call delay1_4ms ; 17/02/2017 mov dx, [NABMBAR] add dx, PO_CR_REG ; PCM out Control Register ;mov al, IOCE + RPBM ; Enable 'Interrupt On Completion' + run ; ; (LVBI interrupt will not be enabled) ; 06/11/2023 (TUNELOOP version, without interrupt) mov al, RPBM ;out dx, al ; Start bus master operation. ; 29/05/2024 ; al = data, byte mov ah, 1 ; write port, byte int 34h ; 30/12/2024 ; ------------------------------------------- ; 30/12/2024 (cgaplay.s) ; 29/12/2024 (vgaplay3.s) ; 18/12/2024 (ac97play.s) ; 01/12/2024 (32bit) ; 29/11/2024 tuneLoop: ; 30/05/2024 ; 18/11/2023 (ich_wav4.asm) ; 08/11/2023 ; 06/11/2023 tLWait: ; 18/11/2024 cmp byte [stopped], 0 ;jna short tL@ ; 21/11/2024 ja short tLWait@ mov al, [tLP] cmp al, '1' je short tL1@ ja tL2@ mov al, '1' mov [tLP], al jmp short tL1@ tLWait@: ; 21/11/2024 ;;; ; 09/12/2024 cmp byte [stopped], 3 jnb _exitt_ ;;; call checkUpdateEvents jc _exitt_ ;;; ; 29/11/2024 cmp byte [command], 'N' je _exitt_ cmp byte [command], 'P' je _exitt_ ;;; cmp byte [tLO], '0' je short tLWait call tLZ mov byte [tLO], '0' jmp short tLWait ;tLO: db 0 tL1@: ;mov al, '1' ; 19/11/2024 mov [tLO], al call tL0 tL1: call updateLVI ; /set LVI != CIV/ jz _exitt_ ; 08/11/2023 ;;; ;call check4keyboardstop ; 14/11/2024 call checkUpdateEvents jc _exitt_ ; 18/11/2024 cmp byte [stopped], 0 ja short tLWait@ ; 21/11/2024 ;;; call getCurrentIndex test al, BIT0 jz short tL1 ; loop if buffer 2 is not playing ; load buffer 1 ;mov ax, [WAV_BUFFER1] ; 01/12/2024 mov edi, WAVBUFFER_1 ; 05/02/2025 mov [audio_buffer], edi ;call loadFromFile ; 18/11/2023 ;call word [loadfromwavfile] ; 01/12/2024 call dword [loadfromwavfile] jc short _exitt_ ; end of file ; 14/11/2024 ;mov ax, [count] ;add [LoadedDataBytes], ax ;adc word [LoadedDataBytes+2], 0 ; 01/12/2024 mov eax, [count] add [LoadedDataBytes], eax mov al, '2' ; 21/11/2024 mov [tLP], al tL2@: ; 19/11/2024 mov [tLO], al call tL0 tL2: call updateLVI jz short _exitt_ ; 08/11/2023 ;;; ;call check4keyboardstop ; 14/11/2024 call checkUpdateEvents jc short _exitt_ ; 18/11/2024 cmp byte [stopped], 0 ja tLWait@ ; 21/11/2024 ;;; call getCurrentIndex test al, BIT0 jnz short tL2 ; loop if buffer 1 is not playing ; load buffer 2 ;mov ax, [WAV_BUFFER2] ; 01/12/2024 mov edi, WAVBUFFER_2 ; 05/02/2025 mov [audio_buffer], edi ;call loadFromFile ; 18/11/2023 ;call word [loadfromwavfile] ; 01/12/2024 call dword [loadfromwavfile] ;jnc short tuneLoop jc short _exitt_ ; 14/11/2024 ;mov ax, [count] ;add [LoadedDataBytes], ax ;adc word [LoadedDataBytes+2], 0 ; 01/12/2024 mov eax, [count] add [LoadedDataBytes], eax ; 21/11/2024 mov byte [tLP], '1' jmp tuneLoop ; 29/12/2024 (vgaplay3.s) _exitt_: ; 07/12/2024 ; Stop Playing ;mov byte [stopped], 2 ;sys _audio, 0700h call ac97_stop ;;; ; 14/11/2024 call UpdateProgressBar ;;; ; 18/11/2024 tLZ: ; 30/05/2024 mov al, '0' ;add al, '0' ;call tL0 ; ;retn ; 06/11/2023 ;jmp short tL0 ;retn tL0: ; 30/12/2024 (cgaplay.s) ; 29/05/2024 (TRDOS 386) ; 08/11/2023 ; 05/11/2023 ; 17/02/2017 - Buffer switch test (temporary) ; 06/11/2023 ; al = buffer indicator ('1', '2' or '0' -stop- ) ; 30/12/2024 (video mode 13h modification) ; (320*200, 256 colors) ;;; mov dl, al ; character mov edi, 0A0000h mov ebx, 8 ; 8 pixels (8*8 pixels font) mov al, 0Ch ; red tL0_1: ;mov ecx, 8 ; 8 pixels (8*8 pixels font) mov ecx, 7 tL0_2: stosb dec ecx jnz short tL0_2 dec ebx jz short tL0_3 ;add edi, 320-8 ; next line add edi, 320-7 jmp short tL0_1 tL0_3: ; write system font mov dh, 01h ;mov dl, al ; character xor esi, esi ; = row 0, column 0 sys _video, 010Fh, 0Eh ; yellow ;;; retn ; ------------------------------------------- ; 29/12/2024 (vgaplay3.s) ; 18/12/2024 (ac97play.s) ; 14/11/2024 ;SetMasterVolume: ; 15/11/2024 SetPCMOutVolume: ;cmp al, 31 ;ja short setvolume_ok mov [volume], al ; max = 0, min = 31 SetPCMOutVolume@: ; 19/11/2024 mov ah, al mov dx, [NAMBAR] ; 15/11/2024 (QEMU) ;add dx, CODEC_MASTER_VOL_REG add dx, CODEC_PCM_OUT_REG ;out dx, ax ; 01/12/2024 ; bx = data, word ; 03/12/2024 mov ebx, eax mov ah, 3 ; write port, word int 34h ;setvolume_ok: retn ; ------------------------------------------- ; 29/12/2024 (vgaplay3.s) ; 18/12/2024 (ac97play.s) ; 30/05/2024 DetectAC97: DetectICH: ; 22/11/2023 ; 19/11/2023 ; 01/11/2023 - TRDOS 386 Kernel v2.0.7 ;; 10/06/2017 ;; 05/06/2017 ;; 29/05/2017 ;; 28/05/2017 ; 01/12/2024 ; 19/11/2023 mov esi, valid_ids ; address of Valid ICH (AC97) Device IDs mov ecx, valid_id_count pfd_1: lodsd call pciFindDevice jnc short d_ac97_1 loop pfd_1 ;stc retn d_ac97_1: ; eax = BUS/DEV/FN ; 00000000BBBBBBBBDDDDDFFF00000000 ; edx = DEV/VENDOR ; DDDDDDDDDDDDDDDDVVVVVVVVVVVVVVVV ; playwav4.asm - 19/05/2024 mov [bus_dev_fn], eax mov [dev_vendor], edx ; get ICH base address regs for mixer and bus master mov al, NAMBAR_REG call pciRegRead16 ; read PCI registers 10-11 ;and dx, IO_ADDR_MASK ; mask off BIT0 ; 19/05/2024 and dl, 0FEh mov [NAMBAR], dx ; save audio mixer base addr mov al, NABMBAR_REG call pciRegRead16 ;and dx, IO_ADDR_MASK ; 19/05/2024 and dl, 0C0h mov [NABMBAR], dx ; save bus master base addr mov al, AC97_INT_LINE ; Interrupt line register (3Ch) call pciRegRead8 ; 17/02/2017 mov [ac97_int_ln_reg], dl ;clc retn ; ---------------------------------- ; 26/12/2024 ; 07/12/2024 ; 01/12/2024 ; 14/11/2024 ; INPUT: ds:dx = file name address ; OUTPUT: [filehandle] = ; -1 = not open openFile: ; 26/12/2024 ; 01/12/2024 sys _open, edx, 0 ; 07/12/2024 ;sys _open, wav_file_name, 0 jnc short _of1 mov eax, -1 ; cf = 1 -> not found or access error _of1: mov [filehandle], eax retn ; ---------------------------------- ; close the currently open file ; 01/12/2024 ; 14/11/2024 ; INPUT: [filehandle] ; -1 = not open ; OUTPUT: none closeFile: cmp dword [filehandle], -1 jz short _cf1 ; 01/12/2024 sys _close, [filehandle] ;mov dword [filehandle], -1 _cf1: retn ; ---------------------------------- ; 05/02/2025 ; 01/12/2024 ; 14/11/2024 - Erdogan Tan getWAVParameters: ; reads WAV file header(s) (44 bytes) from the .wav file. ; entry: none - assumes file is already open ; exit: ax = sample rate (11025, 22050, 44100, 48000) ; cx = number of channels (mono=1, stereo=2) ; dx = bits per sample (8, 16) ; bx = number of bytes per sample (1 to 4) ;mov dx, WAVFILEHEADERbuff ;mov bx, [filehandle] ;mov cx, 44 ; 44 bytes ;mov ah, 3Fh ;int 21h ;jc short gwavp_retn ; 01/12/2024 (TRDOS 386) sys _read, [filehandle], WAVFILEHEADERbuff, 44 jc short gwavp_retn cmp eax, 44 jb short gwavp_retn cmp dword [RIFF_Format], 'WAVE' jne short gwavp_stc_retn cmp word [WAVE_AudioFormat], 1 ; Offset 20, must be 1 (= PCM) ; 05/02/2025 jne short gwavp_stc_retn ;je short gwavp_retn ; 15/11/2024 ; 05/02/2025 ; (Open MPT creates wav files with a new type header, ; this program can not use the new type ; because of 'data' offset is not at DATA_SubchunkID.) ; ((GoldWave creates common type wav file.)) cmp dword [DATA_SubchunkID], 'data' je short gwavp_retn ; 15/11/2024 ;mov cx, [WAVE_NumChannels] ; return num of channels in CX ;mov ax, [WAVE_SampleRate] ; return sample rate in AX ;mov dx, [WAVE_BitsPerSample] ; return bits per sample value in DX ;mov bx, [WAVE_BlockAlign] ; return bytes per sample in BX ;gwavp_retn: ;retn gwavp_stc_retn: stc gwavp_retn: retn ; 29/12/2024 (vgaplay3.s) ; 18/12/2024 (ac97play.s) ; -------------------------------------------------------- ; 27/05/2024 - (TRDOS 386 Kernel) audio.s ; -------------------------------------------------------- NOT_PCI32_PCI16 EQU 03FFFFFFFh ; NOT BIT31+BIT30 ; 19/03/2017 NOT_BIT31 EQU 7FFFFFFFh pciFindDevice: ; 19/11/2023 ; 03/04/2017 ('pci.asm', 20/03/2017) ; ; scan through PCI space looking for a device+vendor ID ; ; Entry: EAX=Device+Vendor ID ; ; Exit: EAX=PCI address if device found ; EDX=Device+Vendor ID ; CY clear if found, set if not found. EAX invalid if CY set. ; ; Destroys: ebx, edi ; 19/11/2023 ; 19/11/2023 mov ebx, eax mov edi, 80000000h nextPCIdevice: mov eax, edi ; read PCI registers call pciRegRead32 ; 19/11/2023 cmp edx, ebx je short PCIScanExit ; found ; 19/11/2023 cmp edi, 80FFF800h jnb short pfd_nf ; not found add edi, 100h jmp short nextPCIdevice pfd_nf: stc retn PCIScanExit: ;pushf mov eax, NOT_BIT31 ; 19/03/2017 and eax, edi ; return only bus/dev/fn # retn pciRegRead: ; 01/12/2024 ; 03/04/2017 ('pci.asm', 20/03/2017) ; ; 8/16/32bit PCI reader ; ; Entry: EAX=PCI Bus/Device/fn/register number ; BIT30 set if 32 bit access requested ; BIT29 set if 16 bit access requested ; otherwise defaults to 8 bit read ; ; Exit: DL,DX,EDX register data depending on requested read size ; ; Note1: this routine is meant to be called via pciRegRead8, ; pciRegread16 or pciRegRead32, listed below. ; ; Note2: don't attempt to read 32 bits of data from a non dword ; aligned reg number. Likewise, don't do 16 bit reads from ; non word aligned reg # push ebx push ecx mov ebx, eax ; save eax, dh mov cl, dh and eax, NOT_PCI32_PCI16 ; clear out data size request or eax, BIT31 ; make a PCI access request and al, ~3 ; NOT 3 ; 0FCh ; force index to be dword mov dx, PCI_INDEX_PORT ;out dx, eax ; write PCI selector ; 29/05/2024 push ebx mov ebx, eax ; data, dword mov ah, 5 ; write port, dword ; dx = port number int 34h pop ebx mov dx, PCI_DATA_PORT mov al, bl and al, 3 ; figure out which port to add dl, al ; read to test ebx, PCI32+PCI16 jnz short _pregr0 ;in al, dx ; return 8 bits of data ; 29/05/2024 mov ah, 0 ; read port, byte ; dx = port number int 34h mov dl, al mov dh, cl ; restore dh for 8 bit read jmp short _pregr2 _pregr0: test ebx, PCI32 jnz short _pregr1 ;in ax, dx ; 29/05/2024 mov ah, 2 ; read port, word ; dx = port number int 34h mov dx, ax ; return 16 bits of data jmp short _pregr2 _pregr1: ;in eax, dx ; return 32 bits of data ; 29/05/2024 mov ah, 4 ; read port, dword ; dx = port number int 34h mov edx, eax _pregr2: mov eax, ebx ; restore eax and eax, NOT_PCI32_PCI16 ; clear out data size request pop ecx pop ebx retn pciRegRead8: and eax, NOT_PCI32_PCI16 ; set up 8 bit read size jmp short pciRegRead ; call generic PCI access pciRegRead16: and eax, NOT_PCI32_PCI16 ; set up 16 bit read size or eax, PCI16 ; call generic PCI access jmp short pciRegRead pciRegRead32: and eax, NOT_PCI32_PCI16 ; set up 32 bit read size or eax, PCI32 ; call generic PCI access jmp pciRegRead pciRegWrite: ; 01/12/2024 ; 03/04/2017 ('pci.asm', 29/11/2016) ; ; 8/16/32bit PCI writer ; ; Entry: EAX=PCI Bus/Device/fn/register number ; BIT31 set if 32 bit access requested ; BIT30 set if 16 bit access requested ; otherwise defaults to 8bit read ; DL/DX/EDX data to write depending on size ; ; Note1: this routine is meant to be called via pciRegWrite8, ; pciRegWrite16 or pciRegWrite32 as detailed below. ; ; Note2: don't attempt to write 32bits of data from a non dword ; aligned reg number. Likewise, don't do 16 bit writes from ; non word aligned reg # push ebx push ecx mov ebx, eax ; save eax, edx mov ecx, edx and eax, NOT_PCI32_PCI16 ; clear out data size request or eax, BIT31 ; make a PCI access request and al, ~3 ; NOT 3 ; 0FCh ; force index to be dword mov dx, PCI_INDEX_PORT ;out dx, eax ; write PCI selector ; 29/05/2024 push ebx mov ebx, eax ; data, dword mov ah, 5 ; write port, dword ; dx = port number int 34h pop ebx mov dx, PCI_DATA_PORT mov al, bl and al, 3 ; figure out which port to add dl, al ; write to test ebx, PCI32+PCI16 jnz short _pregw0 mov al, cl ; put data into al ;out dx, al ; 29/05/2024 ; al = data, byte mov ah, 1 ; write port, byte ; dx = port number int 34h jmp short _pregw2 _pregw0: test ebx, PCI32 jnz short _pregw1 mov ax, cx ; put data into ax ;out dx, ax ; 29/05/2024 push ebx mov ebx, eax ; data, word mov ah, 3 ; write port, word ; dx = port number int 34h pop ebx jmp short _pregw2 _pregw1: mov eax, ecx ; put data into eax ;out dx, eax ; 29/05/2024 push ebx mov ebx, eax ; data, dword mov ah, 5 ; write port, dword ; dx = port number int 34h pop ebx _pregw2: mov eax, ebx ; restore eax and eax, NOT_PCI32_PCI16 ; clear out data size request mov edx, ecx ; restore dx pop ecx pop ebx retn pciRegWrite8: and eax, NOT_PCI32_PCI16 ; set up 8 bit write size jmp short pciRegWrite ; call generic PCI access pciRegWrite16: and eax, NOT_PCI32_PCI16 ; set up 16 bit write size or eax, PCI16 ; call generic PCI access jmp short pciRegWrite pciRegWrite32: and eax, NOT_PCI32_PCI16 ; set up 32 bit write size or eax, PCI32 ; call generic PCI access jmp pciRegWrite ; -------------------------------------------------------- ; 19/05/2024 - (playwav4.asm) ac97_vra.asm ; -------------------------------------------------------- ; 13/11/2023 ;VRA: db 1 codecConfig: ; 01/12/2024 (ac97play.s) ; 29/05/2024 (playwav7.s modification) ; 19/05/2024 ; 19/11/2023 ; 15/11/2023 ; 04/11/2023 ; 17/02/2017 ; 07/11/2016 (Erdogan Tan) ;AC97_EA_VRA equ 1 AC97_EA_VRA equ BIT0 ; 04/11/2023 init_ac97_controller: mov eax, [bus_dev_fn] mov al, PCI_CMD_REG call pciRegRead16 ; read PCI command register or dl, IO_ENA+BM_ENA ; enable IO and bus master call pciRegWrite16 ;call delay_100ms ; 19/05/2024 ; ('PLAYMOD3.ASM', Erdogan Tan, 18/05/2024) init_ac97_codec: ; 18/11/2023 mov ebp, 40 ; 29/05/2024 ;mov ebp, 1000 _initc_1: ; 29/05/2024 mov dx, GLOB_STS_REG ; 30h add dx, [NABMBAR] ;in eax, dx mov ah, 4 ; read port, dword int 34h ; 19/05/2024 ;call delay1_4ms cmp eax, 0FFFFFFFFh ; -1 jne short _initc_3 _initc_2: dec ebp jz short _ac97_codec_ready ; 31/05/2024 call delay_100ms jmp short _initc_1 _initc_3: test eax, CTRL_ST_CREADY jnz short _ac97_codec_ready ; 30/05/2024 cmp byte [reset], 1 jnb short _initc_2 call reset_ac97_codec ; 30/05/2024 mov byte [reset], 1 ; 19/05/2024 jmp short _initc_2 _ac97_codec_ready: mov dx, [NAMBAR] ;add dx, 0 ; ac_reg_0 ; reset register ;out dx, ax ; 29/05/2024 push ebx mov ebx, eax ; bx = data, word mov ah, 3 ; write port, word int 34h pop ebx ; 31/05/2024 ; 29/05/2024 ;call delay_100ms ; 19/11/2023 or ebp, ebp jnz short _ac97_codec_init_ok xor eax, eax ; 0 mov dx, [NAMBAR] add dx, CODEC_REG_POWERDOWN ;out dx, ax ; 29/05/2024 push ebx mov ebx, eax mov ah, 3 ; write port, word int 34h pop ebx ; 19/11/2023 ; wait for 1 second ; 19/05/2024 mov ecx, 1000 ; 1000*4*0.25ms = 1s ;;mov ecx, 10 ; 30/05/2024 ;mov ecx, 40 _ac97_codec_rloop: ;call delay_100ms ; 31/05/2024 call delay1_4ms ;mov dx, [NAMBAR] ;add dx, CODEC_REG_POWERDOWN ;in ax, dx ; 29/05/2024 mov dx, [NAMBAR] add dx, CODEC_REG_POWERDOWN ; 31/05/2024 mov ah, 2 ; read port, word int 34h ; 31/05/2024 ;call delay1_4ms and ax, 0Fh cmp al, 0Fh je short _ac97_codec_init_ok loop _ac97_codec_rloop init_ac97_codec_err1: ;stc ; cf = 1 ; 19/05/2024 init_ac97_codec_err2: retn _ac97_codec_init_ok: call reset_ac97_controller ; 31/05/2024 ; 30/05/2024 ; 19/05/2024 ;call delay_100ms ; 30/05/2024 ;call delay1_4ms ;call delay1_4ms ;call delay1_4ms ;call delay1_4ms ; 01/12/2024 setup_ac97_codec: ; 12/11/2023 cmp word [WAVE_SampleRate], 48000 je skip_rate ; 31/05/2024 ; 30/05/2024 ; 29/05/2024 ;cmp byte [VRA], 0 ;jna short skip_rate ; 11/11/2023 mov dx, [NAMBAR] add dx, CODEC_EXT_AUDIO_CTRL_REG ; 2Ah ;in ax, dx ; 29/05/2024 mov ah, 2 ; read port, word int 34h ; 30/05/2024 ; 19/05/2024 call delay1_4ms ;and al, ~BIT1 ; Clear DRA ;;; ; 30/05/2024 and al, ~(BIT1+BIT0) ; Clear DRA+VRA ; 01/12/2024 (FASM) ;and al, NOT (BIT1+BIT0) ; 0FCh ;out dx, ax ; 31/05/2024 push ebx mov ebx, eax mov dx, [NAMBAR] add dx, CODEC_EXT_AUDIO_CTRL_REG ; 2Ah mov ah, 3 ; write port, word int 34h pop ebx ; 31/05/2024 call check_vra ; 31/05/2024 - temporary (interpolated sample rate test) ;mov byte [VRA], 0 ; 31/05/2024 cmp byte [VRA], 0 jna short skip_rate mov dx, [NAMBAR] add dx, CODEC_EXT_AUDIO_CTRL_REG ; 2Ah ;in ax, dx ; 31/05/2024 mov ah, 2 ; read port, word int 34h ;and al, ~BIT1 ; Clear DRA ;;; or al, AC97_EA_VRA ; 1 ; 04/11/2023 ;out dx, ax ; Enable variable rate audio ; 29/05/2024 push ebx mov ebx, eax ; ; 30/05/2024 mov dx, [NAMBAR] add dx, CODEC_EXT_AUDIO_CTRL_REG ; 2Ah ; mov ah, 3 ; write port, word int 34h pop ebx ;mov cx, 10 mov ecx, 10 ; 30/05/2024 check_vra_loop: ; 31/05/2024 ;call delay_100ms ; 30/05/2024 call delay1_4ms ; 11/11/2023 ;in ax, dx ; 29/05/2024 mov dx, [NAMBAR] add dx, CODEC_EXT_AUDIO_CTRL_REG ; 2Ah mov ah, 2 ; read port, word int 34h test al, AC97_EA_VRA ; 1 jnz short set_rate ; 11/11/2023 loop check_vra_loop ;vra_not_supported: ; 19/05/2024 mov byte [VRA], 0 jmp short skip_rate set_rate: ;mov ax, [sample_rate] ; 17/02/2017 (Erdogan Tan) ; 01/12/2024 mov ax, [WAVE_SampleRate] mov dx, [NAMBAR] add dx, CODEC_PCM_FRONT_DACRATE_REG ; 2Ch ;out dx, ax ; PCM Front/Center Output Sample Rate ; 29/05/2024 push ebx mov ebx, eax ; bx = data, word mov ah, 3 ; write port, word int 34h pop ebx ; 29/05/2024 ;call delay_100ms ; 30/05/2024 ;call delay1_4ms ; 12/11/2023 skip_rate: mov ax, 0202h mov dx, [NAMBAR] add dx, CODEC_MASTER_VOL_REG ;02h ;out dx, ax ; 29/05/2024 push ebx mov ebx, eax ; bx = data, word mov ah, 3 ; write port, word int 34h pop ebx ; 29/05/2024 ;call delay1_4ms ;call delay1_4ms ;call delay1_4ms ;call delay1_4ms mov ax, 0202h mov dx, [NAMBAR] add dx, CODEC_PCM_OUT_REG ;18h ;out dx, ax ; 29/05/2024 push ebx mov ebx, eax ; bx = data, word mov ah, 3 ; write port, word int 34h pop ebx ; 29/05/2024 ;call delay1_4ms ;call delay1_4ms ;call delay1_4ms ;call delay1_4ms ; 19/05/2024 ;clc retn reset_ac97_controller: ; 29/05/2024 (TRDOS 386) ; 19/05/2024 ; 11/11/2023 ; 10/06/2017 ; 29/05/2017 ; 28/05/2017 ; reset AC97 audio controller registers xor eax, eax mov dx, PI_CR_REG add dx, [NABMBAR] ;out dx, al ; 29/05/2024 ; al = data, byte mov ah, 1 ; write port, byte int 34h ; 19/05/2024 ;call delay1_4ms mov dx, PO_CR_REG add dx, [NABMBAR] ;out dx, al ; 29/05/2024 ; al = data, byte mov ah, 1 ; write port, byte int 34h ; 19/05/2024 ;call delay1_4ms mov dx, MC_CR_REG add dx, [NABMBAR] ;out dx, al ; 29/05/2024 ; al = data, byte mov ah, 1 ; write port, byte int 34h ; 19/05/2024 ;call delay1_4ms mov al, RR mov dx, PI_CR_REG add dx, [NABMBAR] ;out dx, al ; 29/05/2024 ; al = data, byte mov ah, 1 ; write port, byte int 34h ; 19/05/2024 ;call delay1_4ms mov dx, PO_CR_REG add dx, [NABMBAR] ;out dx, al ; 29/05/2024 ; al = data, byte mov ah, 1 ; write port, byte int 34h ; 19/05/2024 ;call delay1_4ms mov dx, MC_CR_REG add dx, [NABMBAR] ;out dx, al ; 29/05/2024 ; al = data, byte mov ah, 1 ; write port, byte int 34h ; 19/05/2024 ;call delay1_4ms retn reset_ac97_codec: ; 29/05/2024 (TRDOS 386) ; 11/11/2023 ; 28/05/2017 - Erdogan Tan (Ref: KolibriOS, intelac97.asm) mov dx, GLOB_CNT_REG ; 2Ch add dx, [NABMBAR] ;in eax, dx ; 29/05/2024 mov ah, 4 ; read port, dword int 34h ;test eax, 2 ; 06/08/2022 test al, 2 jz short _r_ac97codec_cold call warm_ac97codec_reset jnc short _r_ac97codec_ok _r_ac97codec_cold: call cold_ac97codec_reset jnc short _r_ac97codec_ok ; 16/04/2017 ;xor eax, eax ; timeout error ;stc retn _r_ac97codec_ok: xor eax, eax ;mov al, VIA_ACLINK_C00_READY ; 1 inc al retn warm_ac97codec_reset: ; 29/05/2024 (TRDOS 386) ; 11/11/2023 ; 06/08/2022 - TRDOS 386 v2.0.5 ; 28/05/2017 - Erdogan Tan (Ref: KolibriOS, intelac97.asm) mov eax, 6 mov dx, GLOB_CNT_REG ; 2Ch add dx, [NABMBAR] ;out dx, eax ; 29/05/2024 push ebx mov ebx, eax ; ebx = data, dword mov ah, 5 ; write port, dword int 34h pop ebx ; 30/05/2024 mov ecx, 10 ; total 1s ; 29/05/2024 ;mov ecx, 4000 _warm_ac97c_rst_wait: ; 30/05/2024 call delay_100ms mov dx, GLOB_STS_REG ; 30h add dx, [NABMBAR] ;in eax, dx ; 29/05/2024 mov ah, 4 ; read port, dword int 34h test eax, CTRL_ST_CREADY jnz short _warm_ac97c_rst_ok dec ecx jnz short _warm_ac97c_rst_wait _warm_ac97c_rst_fail: stc _warm_ac97c_rst_ok: retn cold_ac97codec_reset: ; 11/11/2023 ; 06/08/2022 - TRDOS 386 v2.0.5 ; 28/05/2017 - Erdogan Tan (Ref: KolibriOS, intelac97.asm) mov eax, 2 mov dx, GLOB_CNT_REG ; 2Ch add dx, [NABMBAR] ;out dx, eax ; 29/05/2024 push ebx mov ebx, eax ; ebx = data, dword mov ah, 5 ; write port, dword int 34h pop ebx ; 30/05/2024 call delay_100ms ; wait 100 ms call delay_100ms ; wait 100 ms call delay_100ms ; wait 100 ms call delay_100ms ; wait 100 ms ; 30/05/2024 mov ecx, 16 ; total 20*100 ms = 2s ; 29/05/2024 ;mov ecx, 16000 _cold_ac97c_rst_wait: mov dx, GLOB_STS_REG ; 30h add dx, [NABMBAR] ;in eax, dx ; 29/05/2024 mov ah, 4 ; read port, dword int 34h test eax, CTRL_ST_CREADY jnz short _cold_ac97c_rst_ok ; 30/05/2024 ; 29/05/2024 call delay_100ms dec ecx jnz short _cold_ac97c_rst_wait _cold_ac97c_rst_fail: stc _cold_ac97c_rst_ok: retn ; 29/12/2024 (vgaplay3.s, NASM) ; 18/12/2024 (ac97play.s, FASM) ; 13/11/2024 ; 30/05/2024 %if 1 ;if 1 check_vra: ; 29/05/2024 mov byte [VRA], 1 ; 29/05/2024 - audio.s (TRDOS 386 Kernel) - 27/05/2024 ; 24/05/2024 ; 23/05/2024 mov dx, [NAMBAR] add dx, CODEC_EXT_AUDIO_REG ; 28h ;in ax, dx ; 29/05/2024 mov ah, 2 ; read port, word int 34h ; 30/05/2024 ; 23/05/2024 call delay1_4ms ; 29/05/2024 test al, BIT0 ;test al, 1 ; BIT0 ; Variable Rate Audio bit jnz short check_vra_ok vra_not_supported: ; 13/11/2023 mov byte [VRA], 0 check_vra_ok: retn ;end if %endif ; -------------------------------------------------------- ; -------------------------------------------------------- ; 29/12/2024 (vgaplay3.s) ; 18/12/2024 (ac97play.s) ; ; 18/11/2024 ; Ref: TRDOS 386 v2.0.9, audio.s, Erdogan Tan, 06/06/2024 ac97_stop: ; 18/11/2024 mov byte [stopped], 2 ac97_po_cmd@: xor al, al ; 0 ac97_po_cmd: mov dx, [NABMBAR] add dx, PO_CR_REG ; PCM out control register ;out dx, al ; 01/12/2024 mov ah, 1 ; write port, byte int 34h retn ac97_pause: mov byte [stopped], 1 ; paused ;mov al, 0 ;jmp short ac97_po_cmd jmp short ac97_po_cmd@ ac97_play: ; continue to play (after pause) mov byte [stopped], 0 mov al, RPBM jmp short ac97_po_cmd ; -------------------------------------------------------- PORTB EQU 061h REFRESH_STATUS EQU 010h ; Refresh signal status ; 29/12/2024 (vgaplay3.s) ; 18/12/2024 ; 01/12/2024 (ac97play.s) delay_100ms: ; 30/05/2024 (playwav7.s) push ecx mov ecx, 400 ; 400*0.25ms _delay_x_ms: call delay1_4ms loop _delay_x_ms pop ecx retn delay1_4ms: ; 30/05/2024 (TRDOS 386) push eax push ecx push ebx push edx mov ecx, 16 ; close enough. ;in al, PORTB ; 30/05/2024 mov dx, PORTB mov ah, 0 ; read port, byte int 34h and al, REFRESH_STATUS ;mov ah, al ; Start toggle state mov bl, al or ecx, ecx jz short _d4ms1 inc ecx ; Throwaway first toggle _d4ms1: ;in al, PORTB ; Read system control port ; 30/05/2024 mov dx, PORTB mov ah, 0 ; read port, byte int 34h and al, REFRESH_STATUS ; Refresh toggles 15.085 microseconds ;cmp ah, al cmp bl, al je short _d4ms1 ; Wait for state change ;mov ah, al ; Update with new state mov bl, al dec ecx jnz short _d4ms1 pop edx pop ebx pop ecx pop eax c4ue_okk: retn ; -------------------------------------------------------- getCurrentIndex: ; returns AL = current index value ; 01/12/2024 ; 29/05/2024 (TRDOS 386) ; 08/11/2023 mov dx, [NABMBAR] add dx, PO_CIV_REG ;in al, dx ; 29/05/2024 mov ah, 0 ; read port, byte int 34h uLVI2: ; 06/11/2023 retn ; -------------------------------------------------------- updateLVI: ; 01/12/2024 ; 29/05/2024 (TRDOS 386) ; 08/11/2023 ; 07/11/2023 ; 06/11/2023 mov dx, [NABMBAR] add dx, PO_CIV_REG ; (Current Index Value and Last Valid Index value) ;in ax, dx ; 29/05/2024 mov ah, 2 ; read port, word int 34h cmp al, ah ; is current index = last index ? jne short uLVI2 ; 08/11/2023 call getCurrentIndex test byte [flags], ENDOFFILE ;jnz short uLVI1 jz short uLVI0 ; 08/11/2023 ; 08/11/2023 push eax ; 29/05/2024 (32 bit) mov dx, [NABMBAR] add dx, PO_SR_REG ; PCM out status register ;in ax, dx ; 29/05/2024 mov ah, 2 ; read port, word int 34h test al, 3 ; bit 1 = Current Equals Last Valid (CELV) ; (has been processed) ; bit 0 = 1 -> DMA Controller Halted (DCH) pop eax jz short uLVI1 uLVI3: xor eax, eax ; zf = 1 retn uLVI0: ; not at the end of the file yet. dec al and al, 1Fh uLVI1: ;call setLastValidIndex ;uLVI2: ;retn ;input AL = index # to stop on setLastValidIndex: ; 01/12/2024 ; 29/05/2024 (TRDOS 386) ; 08/11/2023 mov dx, [NABMBAR] add dx, PO_LVI_REG ;out dx, al ; 29/05/2024 ; al = data, byte mov ah, 1 ; write port, byte int 34h retn ; -------------------------------------------------------- ; 07/12/2024 ; -------------------------------------------------------- ; ///// ; 14/12/2024 ; 07/12/2024 ; 01/12/2024 ; 30/05/2024 (ich_wav4.asm, 19/05/2024) loadFromFile: ; 07/11/2023 test byte [flags], ENDOFFILE ; have we already read the ; last of the file? jz short lff_0 ; no stc retn lff_0: ; 07/12/2024 ; 26/11/2023 (playwav8.s) ;mov edi, audio_buffer ; 01/12/2024 (TRDOS 386) ; edi = audio buffer address ; 14/12/2024 ; 01/12/2024 ; 17/11/2024 ;mov ebx, [filehandle] ; 02/12/2024 ;mov edx, [loadsize] ; 17/11/2024 cmp byte [fbs_shift], 0 jna short lff_1 ; stereo, 16 bit lff_2: ; 01/12/2024 mov esi, temp_buffer ; 14/12/2024 sys _read, [filehandle], esi, [loadsize] jc lff_4 ; error ! ; 01/12/2024 ; 14/11/2024 mov [count], eax ; 01/12/2024 and eax, eax ;jz short lff_3 ; 14/12/2024 jz lff_10 mov bl, [fbs_shift] ; 14/12/2024 mov edx, edi ; audio buffer start address ; 01/12/2024 mov ecx, eax cmp byte [WAVE_BitsPerSample], 8 ; bits per sample (8 or 16) jne short lff_7 ; 16 bit samples ; 8 bit samples dec bl ; shift count, 1 = stereo, 2 = mono jz short lff_6 ; 8 bit, stereo ; 01/12/2024 (32bit registers) lff_5: ; mono & 8 bit lodsb sub al, 80h ; 08/11/2023 shl eax, 8 ; convert 8 bit sample to 16 bit sample stosw ; left channel stosw ; right channel loop lff_5 jmp short lff_9 lff_6: ; stereo & 8 bit lodsb sub al, 80h ; 08/11/2023 shl eax, 8 ; convert 8 bit sample to 16 bit sample stosw loop lff_6 jmp short lff_9 lff_7: shr ecx, 1 ; word count lff_8: lodsw stosw ; left channel stosw ; right channel loop lff_8 lff_9: ; 14/12/2024 mov eax, edi mov ecx, [buffersize] add ecx, edx ; + buffer start address cmp eax, ecx jb short lff_3 retn lff_1: ; 07/12/2024 ; 01/12/2024 ;sys _read, [filehandle], esi, [loadsize] ; edx ; 14/12/2024 sys _read, [filehandle], edi, [loadsize] ; 07/11/2023 jc short lff_4 ; error ! ; 01/12/2024 ; 14/11/2024 mov [count], eax ; 02/12/2024 cmp eax, edx ; cmp eax, [loadsize] je short endLFF ; edi = buffer (start) address add edi, eax mov ecx, edx lff_3: ;call padfill ; blank pad the remainder ; 21/12/2024 padfill: ; 14/12/2024 ; 01/12/2024 (TRDOS 386, 32bit registers) ; 17/11/2024 ; di = offset (to be filled with ZEROs) ; bp = buffer segment ; ax = di = number of bytes loaded ; cx = buffer size (> loaded bytes) ; 07/11/2023 ; 06/11/2023 ; 17/02/2017 ; 01/12/2024 sub ecx, eax ; 01/12/2024 ; 25/11/2024 xor eax, eax ; 14/12/2024 rep stosb ; 21/12/2024 ;retn ; ---------- ;clc ; don't exit with CY yet. or byte [flags], ENDOFFILE ; end of file flag endLFF: retn lff_4: ; 08/11/2023 mov al, '!' ; error call tL0 ; 01/12/2024 xor eax, eax lff_10: ; 14/12/2024 mov ecx, [buffersize] jmp short lff_3 ; ///// ; -------------------------------------------------------- ; -------------------------------------------------------- write_audio_dev_info: ; 30/05/2024 ;sys_msg msgAudioCardInfo, 0Fh ; 01/12/2024 sys _msg, msgAudioCardInfo, 255, 0Fh retn ; -------------------------------------------------------- write_ac97_pci_dev_info: ; 19/11/2024 ; 30/05/2024 ; 06/06/2017 ; 03/06/2017 ; BUS/DEV/FN ; 00000000BBBBBBBBDDDDDFFF00000000 ; DEV/VENDOR ; DDDDDDDDDDDDDDDDVVVVVVVVVVVVVVVV mov eax, [dev_vendor] xor ebx, ebx mov bl, al mov dl, bl and bl, 0Fh mov al, [hex_chars+ebx] mov [msgVendorId+3], al mov bl, dl shr bl, 4 mov al, [hex_chars+ebx] mov [msgVendorId+2], al mov bl, ah mov dl, bl and bl, 0Fh mov al, [hex_chars+ebx] mov [msgVendorId+1], al mov bl, dl shr bl, 4 mov al, [hex_chars+ebx] mov [msgVendorId], al shr eax, 16 mov bl, al mov dl, bl and bl, 0Fh mov al, [hex_chars+ebx] mov [msgDevId+3], al mov bl, dl shr bl, 4 mov al, [hex_chars+ebx] mov [msgDevId+2], al mov bl, ah mov dl, bl and bl, 0Fh mov al, [hex_chars+ebx] mov [msgDevId+1], al mov bl, dl shr bl, 4 mov al, [hex_chars+ebx] mov [msgDevId], al mov eax, [bus_dev_fn] shr eax, 8 mov bl, al mov dl, bl and bl, 7 ; bit 0,1,2 mov al, [hex_chars+ebx] mov [msgFncNo+1], al mov bl, dl shr bl, 3 mov dl, bl and bl, 0Fh mov al, [hex_chars+ebx] mov [msgDevNo+1], al mov bl, dl shr bl, 4 mov al, [hex_chars+ebx] mov [msgDevNo], al mov bl, ah mov dl, bl and bl, 0Fh mov al, [hex_chars+ebx] mov [msgBusNo+1], al mov bl, dl shr bl, 4 mov al, [hex_chars+ebx] mov [msgBusNo], al ;mov ax, [ac97_NamBar] mov ax, [NAMBAR] mov bl, al mov dl, bl and bl, 0Fh mov al, [hex_chars+ebx] mov [msgNamBar+3], al mov bl, dl shr bl, 4 mov al, [hex_chars+ebx] mov [msgNamBar+2], al mov bl, ah mov dl, bl and bl, 0Fh mov al, [hex_chars+ebx] mov [msgNamBar+1], al mov bl, dl shr bl, 4 mov al, [hex_chars+ebx] mov [msgNamBar], al ;mov ax, [ac97_NabmBar] mov ax, [NABMBAR] mov bl, al mov dl, bl and bl, 0Fh mov al, [hex_chars+ebx] mov [msgNabmBar+3], al mov bl, dl shr bl, 4 mov al, [hex_chars+ebx] mov [msgNabmBar+2], al mov bl, ah mov dl, bl and bl, 0Fh mov al, [hex_chars+ebx] mov [msgNabmBar+1], al mov bl, dl shr bl, 4 mov al, [hex_chars+ebx] mov [msgNabmBar], al xor eax, eax mov al, [ac97_int_ln_reg] mov cl, 10 div cl ; 23/11/2024 ;add [msgIRQ], ax add ax, 3030h mov [msgIRQ], ax ;and al, al cmp al, 30h jnz short _w_ac97imsg_ mov al, byte [msgIRQ+1] mov ah, ' ' mov [msgIRQ], ax _w_ac97imsg_: ; 19/11/2024 call clear_window ;mov dh, 13 ; 30/12/2024 (video mode 13h) mov dh, 11 mov dl, 0 call setCursorPosition ;;; ; 21/12/2024 mov ebp, msgAC97Info ; message ; 22/12/2024 ;mov cl, 07h ; color call sys_gmsg ; ; 30/05/2024 write_VRA_info: ; 21/12/2024 mov ebp, msgVRAheader ; message ;mov cl, 07h ; color call sys_gmsg ; cmp byte [VRA], 0 jna short _w_VRAi_no _w_VRAi_yes: mov ebp, msgVRAyes jmp short _w_VRAi_yn_msg _w_VRAi_no: mov ebp, msgVRAno _w_VRAi_yn_msg: ;mov cl, 07h ; color ;call sys_msg ;retn ;jmp short sys_gmsg ;;; ; -------------------------------------------------------- ; 30/12/2024 (Video Mode 13h) ; (write message in VGA/CGA mode) ; 22/12/2024 ; 21/12/2024 ; (write message in VGA/VESA-VBE mode) sys_gmsg: mov al, [ebp] and al, al jz short sys_gmsg_ok cmp al, 20h jnb short sys_gmsg_3 cmp al, CR ; 13 jne short sys_gmsg_2 ; carriege return, move cursor to column 0 mov word [screenpos], 0 sys_gmsg_1: inc ebp jmp short sys_gmsg sys_gmsg_2: cmp al, LF ; 10 jne short sys_gmsg_ok ; 22/12/2024 ; line feed, move cursor to next row ;add word [screenpos+2], 16 ; 30/12/2024 add word [screenpos+2], 8 jmp short sys_gmsg_1 sys_gmsg_3: mov esi, [screenpos] ; hw = (cursor) row ; si = (cursor) column mov ecx, 07h ; gray (light) call write_character add esi, 8 ;;; ;cmp si, 640 ; 30/12/2024 (cgaplay.s) cmp si, 320 jb short sys_gmsg_5 shr esi, 16 ;add si, 16 ;cmp si, 480 ; 30/12/2024 add si, 8 cmp si, 200 jb short sys_gmsg_4 xor esi, esi sys_gmsg_4: shl esi, 16 ;;; sys_gmsg_5: mov [screenpos], esi inc ebp jmp short sys_gmsg sys_gmsg_ok: retn ;;; ; -------------------------------------------------------- ; 05/02/2025 - cgaplay.s ; 02/02/2025 - playwav9.s - ac97play.s - dplaywav.s - dplayw2.s ; 29/12/2024 - vgaplay3.s ; 18/12/2024 ; 01/12/2024 - ac97play.s ; 29/05/2024 ; 26/11/2023 ; 25/11/2023 - playwav6.s (32 bit registers, TRDOS 386 adaption) ; 15/11/2023 - PLAYWAV5.COM, ich_wav5.asm ; 14/11/2023 ; 13/11/2023 - Erdogan Tan - (VRA, sample rate conversion) ; -------------------------------------------------------- ;;Note: At the end of every buffer load, ;; during buffer switch/swap, there will be discontinuity ;; between the last converted sample and the 1st sample ;; of the next buffer. ;; (like as a dot noises vaguely between normal sound samples) ;; -To avoid this defect, the 1st sample of ;; the next buffer may be read from the wav file but ;; the file pointer would need to be set to 1 sample back ;; again via seek system call. Time comsumption problem! - ;; ;; Erdogan Tan - 15/11/2023 ;; ;; ((If entire wav data would be loaded at once.. conversion ;; defect/noise would disappear.. but for DOS, to keep ;; 64KB buffer limit is important also it is important ;; for running under 1MB barrier without HIMEM.SYS or DPMI. ;; I have tested this program by using 2-30MB wav files.)) ;; ;; Test Computer: ASUS desktop/mainboard, M2N4-SLI, 2010. ;; AMD Athlon 64 X2 2200 MHZ CPU. ;; NFORCE4 (CK804) AC97 audio hardware. ;; Realtek ALC850 codec. ;; Retro DOS v4.2 (MSDOS 6.22) operating system. load_8khz_mono_8_bit: ; 02/02/2025 ; 15/11/2023 ; 14/11/2023 ; 13/11/2023 test byte [flags], ENDOFFILE ; have we already read the ; last of the file? jz short lff8m_0 ; no stc retn lff8m_0: ; 01/12/2024 ; edi = audio buffer address mov esi, temp_buffer ; temporary buffer for wav data ;mov edx, [loadsize] ; esi = buffer address ;; edx = buffer size ; load file into memory sys _read, [filehandle], esi, [loadsize] jnc short lff8m_6 jmp lff8m_5 ; error ! lff8m_6: ; 01/12/2024 mov [count], eax ;;; ; 29/05/2024 ;mov edi, [audio_buffer] ;;; and eax, eax jz lff8_eof mov ecx, eax ; byte count lff8m_1: lodsb mov [previous_val], al sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; original sample (left channel) stosw ; original sample (right channel) ; 02/02/2025 ;xor eax, eax mov al, [esi] dec ecx jnz short lff8m_2 mov al, 80h lff8m_2: ;mov [next_val], ax mov bh, al ; [next_val] mov ah, [previous_val] add al, ah ; [previous_val] rcr al, 1 mov dl, al ; this is interpolated middle (3th) sample add al, ah ; [previous_val] rcr al, 1 mov bl, al ; this is temporary interpolation value add al, ah ; [previous_val] rcr al, 1 sub al, 80h shl ax, 8 stosw ; this is 1st interpolated sample (L) stosw ; this is 1st interpolated sample (R) mov al, bl add al, dl rcr al, 1 sub al, 80h shl ax, 8 stosw ; this is 2nd interpolated sample (L) stosw ; this is 2nd interpolated sample (R) mov al, dl sub al, 80h shl ax, 8 stosw ; this is middle (3th) interpolated sample (L) stosw ; this is middle (3th) interpolated sample (R) ;mov al, [next_val] mov al, bh add al, dl rcr al, 1 mov bl, al ; this is temporary interpolation value add al, dl rcr al, 1 sub al, 80h shl ax, 8 stosw ; this is 4th interpolated sample (L) stosw ; this is 4th interpolated sample (R) ;mov al, [next_val] mov al, bh add al, bl rcr al, 1 sub al, 80h shl ax, 8 stosw ; this is 5th interpolated sample (L) stosw ; this is 5th interpolated sample (R) ; 8 kHZ mono to 48 kHZ stereo conversion of the sample is OK or ecx, ecx jnz short lff8m_1 ; -------------- lff8s_3: lff8m_3: lff8s2_3: lff8m2_3: lff16s_3: lff16m_3: lff16s2_3: lff16m2_3: lff24_3: lff32_3: lff44_3: lff22_3: lff11_3: lff12_3: ; 02/02/2025 ; 08/12/2024 (BugFix) ; 31/05/2024 (BugFix) mov ecx, [buffersize] ; 16 bit (48 kHZ, stereo) sample size ;shl ecx, 1 ; byte count ; Bug ! ; 08/12/2024 ;add ecx, audio_buffer ; 05/02/2025 add ecx, [audio_buffer] sub ecx, edi jna short lff8m_4 ;inc ecx shr ecx, 2 xor eax, eax ; fill (remain part of) buffer with zeros rep stosd lff8m_4: ; 31/05/2024 (BugFix) ; cf=1 ; Bug ! ; 08/12/2024 ;clc retn lff8_eof: lff16_eof: lff24_eof: lff32_eof: lff44_eof: lff22_eof: lff11_eof: lff12_eof: ; 02/02/2025 ; 15/11/2023 mov byte [flags], ENDOFFILE jmp short lff8m_3 lff8s_5: lff8m_5: lff8s2_5: lff8m2_5: lff16s_5: lff16m_5: lff16s2_5: lff16m2_5: lff24_5: lff32_5: lff44_5: lff22_5: lff11_5: lff12_5: ; 02/02/2025 mov al, '!' ; error call tL0 ;jmp short lff8m_3 ; 15/11/2023 jmp lff8_eof ; -------------- load_8khz_stereo_8_bit: ; 02/02/2025 ; 15/11/2023 ; 14/11/2023 ; 13/11/2023 test byte [flags], ENDOFFILE ; have we already read the ; last of the file? jz short lff8s_0 ; no stc retn lff8s_0: ; 01/12/2024 ; edi = audio buffer address mov esi, temp_buffer ; temporary buffer for wav data ;mov edx, [loadsize] ; esi = buffer address ;; edx = buffer size ; load file into memory sys _read, [filehandle], esi, [loadsize] jc short lff8s_5 ; error ! ; 01/12/2024 mov [count], eax ;;; ; 29/05/2024 ;mov edi, [audio_buffer] ;;; shr eax, 1 jz short lff8_eof mov ecx, eax ; word count lff8s_1: lodsb mov [previous_val_l], al sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; original sample (L) lodsb mov [previous_val_r], al sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; original sample (R) ;xor eax, eax ; 02/02/2025 mov ax, [esi] dec ecx jnz short lff8s_2 ; convert 8 bit sample to 16 bit sample mov ax, 8080h lff8s_2: mov [next_val_l], al mov [next_val_r], ah mov ah, [previous_val_l] add al, ah rcr al, 1 mov dl, al ; this is interpolated middle (3th) sample (L) add al, ah rcr al, 1 mov bl, al ; this is temporary interpolation value (L) add al, ah rcr al, 1 sub al, 80h shl ax, 8 stosw ; this is 1st interpolated sample (L) mov al, [next_val_r] mov ah, [previous_val_r] add al, ah rcr al, 1 mov dh, al ; this is interpolated middle (3th) sample (R) add al, ah rcr al, 1 mov bh, al ; this is temporary interpolation value (R) add al, ah rcr al, 1 sub al, 80h shl ax, 8 stosw ; this is 1st interpolated sample (R) mov al, bl add al, dl rcr al, 1 sub al, 80h shl ax, 8 stosw ; this is 2nd interpolated sample (L) mov al, bh add al, dh rcr al, 1 sub al, 80h shl ax, 8 stosw ; this is 2nd interpolated sample (R) mov al, dl sub al, 80h shl ax, 8 stosw ; this is middle (3th) interpolated sample (L) mov al, dh sub al, 80h shl ax, 8 stosw ; this is middle (3th) interpolated sample (R) mov al, [next_val_l] add al, dl rcr al, 1 mov bl, al ; this is temporary interpolation value (L) add al, dl rcr al, 1 sub al, 80h shl ax, 8 stosw ; this is 4th interpolated sample (L) mov al, [next_val_r] add al, dh rcr al, 1 mov bh, al ; this is temporary interpolation value (R) add al, dh rcr al, 1 sub al, 80h shl ax, 8 stosw ; this is 4th interpolated sample (R) mov al, [next_val_l] add al, bl rcr al, 1 sub al, 80h shl ax, 8 stosw ; this is 5th interpolated sample (L) mov al, [next_val_r] add al, bh rcr al, 1 sub al, 80h shl ax, 8 stosw ; this is 5th interpolated sample (R) ; 8 kHZ stereo to 48 kHZ stereo conversion of the sample is OK jecxz lff8s_6 jmp lff8s_1 lff8s_6: jmp lff8s_3 load_8khz_mono_16_bit: ; 02/02/2025 ; 13/11/2023 test byte [flags], ENDOFFILE ; have we already read the ; last of the file? jz short lff8m2_0 ; no stc retn lff8m2_0: ; 01/12/2024 ; edi = audio buffer address mov esi, temp_buffer ; temporary buffer for wav data ;mov edx, [loadsize] ; esi = buffer address ;; edx = buffer size ; load file into memory sys _read, [filehandle], esi, [loadsize] jc lff8m2_7 ; error ! ; 01/12/2024 mov [count], eax ;;; ; 29/05/2024 ;mov edi, [audio_buffer] ;;; shr eax, 1 jnz short lff8m2_8 jmp lff8_eof lff8m2_8: mov ecx, eax ; word count lff8m2_1: lodsw stosw ; original sample (left channel) stosw ; original sample (right channel) add ah, 80h ; convert sound level to 0-65535 format mov [previous_val], ax ; 02/02/2025 mov ax, [esi] dec ecx jnz short lff8m2_2 xor eax, eax lff8m2_2: add ah, 80h ; convert sound level to 0-65535 format mov ebp, eax ; [next_val] add ax, [previous_val] rcr ax, 1 mov edx, eax ; this is interpolated middle (3th) sample add ax, [previous_val] rcr ax, 1 ; this is temporary interpolation value mov ebx, eax add ax, [previous_val] rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; this is 1st interpolated sample (L) stosw ; this is 1st interpolated sample (R) mov eax, ebx add ax, dx rcr ax, 1 sub ah, 80h stosw ; this is 2nd interpolated sample (L) stosw ; this is 2nd interpolated sample (R) mov eax, edx sub ah, 80h ; -32768 to +32767 format again stosw ; this is middle (3th) interpolated sample (L) stosw ; this is middle (3th) interpolated sample (R) mov eax, ebp add ax, dx rcr ax, 1 mov ebx, eax ; this is temporary interpolation value add ax, dx rcr ax, 1 sub ah, 80h stosw ; this is 4th interpolated sample (L) stosw ; this is 4th interpolated sample (R) mov eax, ebp add ax, bx rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; this is 5th interpolated sample (L) stosw ; this is 5th interpolated sample (R) ; 8 kHZ mono to 48 kHZ stereo conversion of the sample is OK or ecx, ecx jnz lff8m2_1 jmp lff8m2_3 lff8m2_7: lff8s2_7: jmp lff8m2_5 ; error load_8khz_stereo_16_bit: ; 02/02/2025 ; 16/11/2023 ; 15/11/2023 ; 13/11/2023 test byte [flags], ENDOFFILE ; have we already read the ; last of the file? jz short lff8s2_0 ; no stc retn lff8s2_0: ; 01/12/2024 ; edi = audio buffer address mov esi, temp_buffer ; temporary buffer for wav data ;mov edx, [loadsize] ; esi = buffer address ;; edx = buffer size ; load file into memory sys _read, [filehandle], esi, [loadsize] jc short lff8s2_7 ; error ! ; 01/12/2024 mov [count], eax ;;; ; 29/05/2024 ;mov edi, [audio_buffer] ;;; shr eax, 2 jnz short lff8s2_8 jmp lff8_eof lff8s2_8: mov ecx, eax ; dword count lff8s2_1: lodsw stosw ; original sample (L) ; 15/11/2023 add ah, 80h ; convert sound level to 0-65535 format mov [previous_val_l], ax lodsw stosw ; original sample (R) add ah, 80h ; convert sound level to 0-65535 format mov [previous_val_r], ax ; 02/02/2025 mov ax, [esi] mov dx, [esi+2] ; 16/11/2023 dec ecx jnz short lff8s2_2 xor edx, edx xor eax, eax lff8s2_2: add ah, 80h ; convert sound level to 0-65535 format mov [next_val_l], ax add dh, 80h ; convert sound level to 0-65535 format mov [next_val_r], dx add ax, [previous_val_l] rcr ax, 1 mov edx, eax ; this is interpolated middle (3th) sample (L) add ax, [previous_val_l] rcr ax, 1 mov ebx, eax ; this is temporary interpolation value (L) add ax, [previous_val_l] rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; this is 1st interpolated sample (L) mov ax, [next_val_r] add ax, [previous_val_r] rcr ax, 1 mov ebp, eax ; this is interpolated middle (3th) sample (R) add ax, [previous_val_r] rcr ax, 1 push eax ; * ; this is temporary interpolation value (R) add ax, [previous_val_r] rcr ax, 1 sub ah, 80h stosw ; this is 1st interpolated sample (R) mov eax, ebx add ax, dx rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; this is 2nd interpolated sample (L) pop eax ; * add ax, bp rcr ax, 1 sub ah, 80h stosw ; this is 2nd interpolated sample (R) mov eax, edx sub ah, 80h stosw ; this is middle (3th) interpolated sample (L) mov eax, ebp sub ah, 80h ; -32768 to +32767 format again stosw ; this is middle (3th) interpolated sample (R) mov ax, [next_val_l] add ax, dx rcr ax, 1 mov ebx, eax ; this is temporary interpolation value (L) add ax, dx rcr ax, 1 sub ah, 80h stosw ; this is 4th interpolated sample (L) mov ax, [next_val_r] add ax, bp rcr ax, 1 push eax ; ** ; this is temporary interpolation value (R) add ax, bp rcr ax, 1 sub ah, 80h stosw ; this is 4th interpolated sample (R) mov ax, [next_val_l] add ax, bx rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; this is 5th interpolated sample (L) pop eax ; ** add ax, [next_val_r] rcr ax, 1 sub ah, 80h stosw ; this is 5th interpolated sample (R) ; 8 kHZ stereo to 48 kHZ stereo conversion of the sample is OK jecxz lff8_s2_9 jmp lff8s2_1 lff8_s2_9: jmp lff8s2_3 ; ..................... load_16khz_mono_8_bit: ; 02/02/2025 ; 14/11/2023 ; 13/11/2023 test byte [flags], ENDOFFILE ; have we already read the ; last of the file? jz short lff16m_0 ; no stc retn lff16m_0: ; 01/12/2024 ; edi = audio buffer address mov esi, temp_buffer ; temporary buffer for wav data ;mov edx, [loadsize] ; esi = buffer address ;; edx = buffer size ; load file into memory sys _read, [filehandle], esi, [loadsize] jc short lff16m_7 ; error ! ; 01/12/2024 mov [count], eax ;;; ; 29/05/2024 ;mov edi, [audio_buffer] ;;; and eax, eax jnz short lff16m_8 jmp lff16_eof lff16m_8: mov ecx, eax ; byte count lff16m_1: lodsb ;mov [previous_val], al mov bl, al sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; original sample (left channel) stosw ; original sample (right channel) ;xor eax, eax ; 02/02/2025 mov al, [esi] dec ecx jnz short lff16m_2 ; 14/11/2023 mov al, 80h lff16m_2: ;mov [next_val], al mov bh, al ;add al, [previous_val] add al, bl rcr al, 1 mov dl, al ; this is interpolated middle (temp) sample ;add al, [previous_val] add al, bl rcr al, 1 sub al, 80h shl ax, 8 stosw ; this is 1st interpolated sample (L) stosw ; this is 1st interpolated sample (R) ;mov al, [next_val] mov al, bh add al, dl rcr al, 1 sub al, 80h shl ax, 8 stosw ; this is 2nd interpolated sample (L) stosw ; this is 2nd interpolated sample (R) ; 16 kHZ mono to 48 kHZ stereo conversion of the sample is OK or ecx, ecx jnz short lff16m_1 jmp lff16m_3 lff16m_7: lff16s_7: jmp lff16m_5 ; error load_16khz_stereo_8_bit: ; 02/02/2025 ; 14/11/2023 ; 13/11/2023 test byte [flags], ENDOFFILE ; have we already read the ; last of the file? jz short lff16s_0 ; no stc retn lff16s_0: ; 01/12/2024 ; edi = audio buffer address mov esi, temp_buffer ; temporary buffer for wav data ;mov edx, [loadsize] ; esi = buffer address ;; edx = buffer size ; load file into memory sys _read, [filehandle], esi, [loadsize] jc short lff16s_7 ; error ! ; 01/12/2024 mov [count], eax ;;; ; 29/05/2024 ;mov edi, [audio_buffer] ;;; shr eax, 1 jnz short lff16s_8 jmp lff16_eof lff16s_8: mov ecx, eax ; word count lff16s_1: lodsb mov [previous_val_l], al sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; original sample (L) lodsb mov [previous_val_r], al sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; original sample (R) ;xor eax, eax ; 02/02/2025 mov ax, [esi] dec ecx jnz short lff16s_2 ; convert 8 bit sample to 16 bit sample ; 14/11/2023 mov ax, 8080h lff16s_2: ;mov [next_val_l], al ;mov [next_val_r], ah mov ebx, eax add al, [previous_val_l] rcr al, 1 mov dl, al ; this is temporary interpolation value (L) add al, [previous_val_l] rcr al, 1 sub al, 80h shl ax, 8 stosw ; this is 1st interpolated sample (L) mov al, bh ; [next_val_r] add al, [previous_val_r] rcr al, 1 mov dh, al ; this is temporary interpolation value (R) add al, [previous_val_r] rcr al, 1 sub al, 80h shl ax, 8 stosw ; this is 1st interpolated sample (R) mov al, dl add al, bl ; [next_val_l] rcr al, 1 sub al, 80h shl ax, 8 stosw ; this is 2nd interpolated sample (L) mov al, dh add al, bh ; [next_val_r] rcr al, 1 sub al, 80h shl ax, 8 stosw ; this is 2nd interpolated sample (R) ; 16 kHZ stereo to 48 kHZ stereo conversion of the sample is OK or ecx, ecx jnz short lff16s_1 jmp lff16s_3 load_16khz_mono_16_bit: ; 02/02/2025 ; 15/11/2023 ; 13/11/2023 test byte [flags], ENDOFFILE ; have we already read the ; last of the file? jz short lff16m2_0 ; no stc retn lff16m2_0: ; 01/12/2024 ; edi = audio buffer address mov esi, temp_buffer ; temporary buffer for wav data ;mov edx, [loadsize] ; esi = buffer address ;; edx = buffer size ; load file into memory sys _read, [filehandle], esi, [loadsize] jc short lff16m2_7 ; error ! ; 01/12/2024 mov [count], eax ;;; ; 29/05/2024 ;mov edi, [audio_buffer] ;;; shr eax, 1 jnz short lff16m2_8 jmp lff16_eof lff16m2_8: mov ecx, eax ; word count lff16m2_1: lodsw stosw ; original sample (left channel) stosw ; original sample (right channel) add ah, 80h ; convert sound level 0 to 65535 format ;mov [previous_val], ax mov ebx, eax ; 02/02/2025 mov ax, [esi] dec ecx jnz short lff16m2_2 xor eax, eax lff16m2_2: add ah, 80h ; convert sound level 0 to 65535 format mov ebp, eax ; [next_val] ;add ax, [previous_val] add ax, bx rcr ax, 1 mov edx, eax ; this is temporary interpolation value ;add ax, [previous_val] add ax, bx rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; this is 1st interpolated sample (L) stosw ; this is 1st interpolated sample (R) mov eax, ebp add ax, dx rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; this is 2nd interpolated sample (L) stosw ; this is 2nd interpolated sample (R) ; 16 kHZ mono to 48 kHZ stereo conversion of the sample is OK or ecx, ecx jnz short lff16m2_1 jmp lff16m2_3 lff16m2_7: lff16s2_7: jmp lff16m2_5 ; error load_16khz_stereo_16_bit: ; 02/02/2025 ; 16/11/2023 ; 15/11/2023 ; 13/11/2023 test byte [flags], ENDOFFILE ; have we already read the ; last of the file? jz short lff16s2_0 ; no stc retn lff16s2_0: ; 01/12/2024 ; edi = audio buffer address mov esi, temp_buffer ; temporary buffer for wav data ;mov edx, [loadsize] ; esi = buffer address ;; edx = buffer size ; load file into memory sys _read, [filehandle], esi, [loadsize] jc short lff16s2_7 ; error ! ; 01/12/2024 mov [count], eax ;;; ; 29/05/2024 ;mov edi, [audio_buffer] ;;; shr eax, 2 jnz short lff16s2_8 jmp lff16_eof lff16s2_8: mov ecx, eax ; dword count lff16s2_1: lodsw stosw ; original sample (L) add ah, 80h ; convert sound level 0 to 65535 format mov [previous_val_l], ax lodsw stosw ; original sample (R) add ah, 80h ; convert sound level 0 to 65535 format mov [previous_val_r], ax ; 02/02/2025 mov ax, [esi] mov dx, [esi+2] ; 16/11/2023 dec ecx jnz short lff16s2_2 xor edx, edx xor eax, eax lff16s2_2: add ah, 80h ; convert sound level 0 to 65535 format ;mov [next_val_l], ax mov ebp, eax add dh, 80h ; convert sound level 0 to 65535 format mov [next_val_r], dx add ax, [previous_val_l] rcr ax, 1 mov edx, eax ; this is temporary interpolation value (L) add ax, [previous_val_l] rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; this is 1st interpolated sample (L) mov ax, [next_val_r] add ax, [previous_val_r] rcr ax, 1 mov ebx, eax ; this is temporary interpolation value (R) add ax, [previous_val_r] rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; this is 1st interpolated sample (R) ;mov ax, [next_val_l] mov eax, ebp add ax, dx rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; this is 2nd interpolated sample (L) mov ax, [next_val_r] add ax, bx rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; this is 2nd interpolated sample (R) ; 16 kHZ stereo to 48 kHZ stereo conversion of the sample is OK or ecx, ecx jnz lff16s2_1 jmp lff16s2_3 ; ..................... load_24khz_mono_8_bit: ; 02/02/2025 ; 15/11/2023 test byte [flags], ENDOFFILE ; have we already read the ; last of the file? jz short lff24m_0 ; no stc retn lff24m_0: ; 01/12/2024 ; edi = audio buffer address mov esi, temp_buffer ; temporary buffer for wav data ;mov edx, [loadsize] ; esi = buffer address ;; edx = buffer size ; load file into memory sys _read, [filehandle], esi, [loadsize] jc short lff24m_7 ; error ! ; 01/12/2024 mov [count], eax ;;; ; 29/05/2024 ;mov edi, [audio_buffer] ;;; and eax, eax jnz short lff24m_8 jmp lff24_eof lff24m_8: mov ecx, eax ; byte count lff24m_1: lodsb ;mov [previous_val], al mov bl, al sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; original sample (left channel) stosw ; original sample (right channel) ;xor eax, eax ; 02/02/2025 mov al, [esi] dec ecx jnz short lff24m_2 mov al, 80h lff24m_2: ;;mov [next_val], al ;mov bh, al ;add al, [previous_val] add al, bl rcr al, 1 sub al, 80h shl ax, 8 stosw ; this is interpolated sample (L) stosw ; this is interpolated sample (R) ; 24 kHZ mono to 48 kHZ stereo conversion of the sample is OK or ecx, ecx jnz short lff24m_1 jmp lff24_3 lff24m_7: lff24s_7: jmp lff24_5 ; error load_24khz_stereo_8_bit: ; 02/02/2025 ; 15/11/2023 test byte [flags], ENDOFFILE ; have we already read the ; last of the file? jz short lff24s_0 ; no stc retn lff24s_0: ; 01/12/2024 ; edi = audio buffer address mov esi, temp_buffer ; temporary buffer for wav data ;mov edx, [loadsize] ; esi = buffer address ;; edx = buffer size ; load file into memory sys _read, [filehandle], esi, [loadsize] jc short lff24s_7 ; error ! ; 01/12/2024 mov [count], eax ;;; ; 29/05/2024 ;mov edi, [audio_buffer] ;;; shr eax, 1 jnz short lff24s_8 jmp lff24_eof lff24s_8: mov ecx, eax ; word count lff24s_1: lodsb mov [previous_val_l], al sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; original sample (L) lodsb mov [previous_val_r], al sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; original sample (R) ;xor eax, eax ; 02/02/2025 mov ax, [esi] dec ecx jnz short lff24s_2 ; convert 8 bit sample to 16 bit sample mov ax, 8080h lff24s_2: ;;mov [next_val_l], al ;;mov [next_val_r], ah ;mov bx, ax mov bh, ah add al, [previous_val_l] rcr al, 1 ;mov dl, al sub al, 80h shl ax, 8 stosw ; this is interpolated sample (L) mov al, bh ; [next_val_r] add al, [previous_val_r] rcr al, 1 ;mov dh, al sub al, 80h shl ax, 8 stosw ; this is interpolated sample (R) ; 24 kHZ stereo to 48 kHZ stereo conversion of the sample is OK or ecx, ecx jnz short lff24s_1 jmp lff24_3 load_24khz_mono_16_bit: ; 02/02/2025 ; 15/11/2023 test byte [flags], ENDOFFILE ; have we already read the ; last of the file? jz short lff24m2_0 ; no stc retn lff24m2_0: ; 01/12/2024 ; edi = audio buffer address mov esi, temp_buffer ; temporary buffer for wav data ;mov edx, [loadsize] ; esi = buffer address ;; edx = buffer size ; load file into memory sys _read, [filehandle], esi, [loadsize] jc short lff24m2_7 ; error ! ; 01/12/2024 mov [count], eax ;;; ; 29/05/2024 ;mov edi, [audio_buffer] ;;; shr eax, 1 jnz short lff24m2_8 jmp lff24_eof lff24m2_8: mov ecx, eax ; word count lff24m2_1: lodsw stosw ; original sample (left channel) stosw ; original sample (right channel) add ah, 80h ; convert sound level 0 to 65535 format ;mov [previous_val], ax ;mov ebx, eax ; 02/02/2025 mov bx, [esi] dec ecx jnz short lff24m2_2 ;xor eax, eax xor ebx, ebx lff24m2_2: ; 02/02/2025 add bh, 80h ; convert sound level 0 to 65535 format ;add ah, 80h ;mov ebp, eax ; [next_val] ;add ax, [previous_val] ; ax = [previous_val] ; bx = [next_val] add ax, bx rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; this is interpolated sample (L) stosw ; this is interpolated sample (R) ; 24 kHZ mono to 48 kHZ stereo conversion of the sample is OK or ecx, ecx jnz short lff24m2_1 jmp lff24_3 lff24m2_7: lff24s2_7: jmp lff24_5 ; error load_24khz_stereo_16_bit: ; 02/02/2025 ; 16/11/2023 ; 15/11/2023 test byte [flags], ENDOFFILE ; have we already read the ; last of the file? jz short lff24s2_0 ; no stc retn lff24s2_0: ; 01/12/2024 ; edi = audio buffer address mov esi, temp_buffer ; temporary buffer for wav data ;mov edx, [loadsize] ; esi = buffer address ;; edx = buffer size ; load file into memory sys _read, [filehandle], esi, [loadsize] jc short lff24s2_7 ; error ! ; 01/12/2024 mov [count], eax ;;; ; 29/05/2024 ;mov edi, [audio_buffer] ;;; shr eax, 2 jnz short lff24s2_8 jmp lff24_eof lff24s2_8: mov ecx, eax ; dword count lff24s2_1: lodsw stosw ; original sample (L) add ah, 80h ; convert sound level 0 to 65535 format mov [previous_val_l], ax lodsw stosw ; original sample (R) add ah, 80h ; convert sound level 0 to 65535 format ;mov [previous_val_r], ax mov ebx, eax ; 02/02/2025 mov ax, [esi] mov dx, [esi+2] ; 16/11/2023 dec ecx jnz short lff24s2_2 xor edx, edx xor eax, eax lff24s2_2: add ah, 80h ; convert sound level 0 to 65535 format ;;mov [next_val_l], ax ;mov ebp, eax add dh, 80h ; convert sound level 0 to 65535 format ;mov [next_val_r], dx add ax, [previous_val_l] rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; this is interpolated sample (L) ;mov ax, [next_val_r] mov eax, edx ;add ax, [previous_val_r] add ax, bx rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; this is interpolated sample (R) ; 24 kHZ stereo to 48 kHZ stereo conversion of the sample is OK or ecx, ecx jnz short lff24s2_1 jmp lff24_3 ; ..................... load_32khz_mono_8_bit: ; 02/02/2025 ; 15/11/2023 test byte [flags], ENDOFFILE ; have we already read the ; last of the file? jz short lff32m_0 ; no stc retn lff32m_0: ; 01/12/2024 ; edi = audio buffer address mov esi, temp_buffer ; temporary buffer for wav data ;mov edx, [loadsize] ; esi = buffer address ;; edx = buffer size ; load file into memory sys _read, [filehandle], esi, [loadsize] jc short lff32m_7 ; error ! ; 01/12/2024 mov [count], eax ;;; ; 29/05/2024 ;mov edi, [audio_buffer] ;;; and eax, eax jnz short lff32m_8 jmp lff32_eof lff32m_8: mov ecx, eax ; byte count lff32m_1: lodsb ;mov [previous_val], al mov bl, al sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; original sample (left channel) stosw ; original sample (right channel) ;xor eax, eax ; 02/02/2025 mov al, [esi] dec ecx jnz short lff32m_2 mov al, 80h lff32m_2: ;;mov [next_val], al ;mov bh, al ;add al, [previous_val] add al, bl rcr al, 1 sub al, 80h shl ax, 8 stosw ; this is interpolated sample (L) stosw ; this is interpolated sample (R) ; different than 8-16-24 kHZ ! ; 'original-interpolated-original' trio samples jecxz lff32m_3 lodsb sub al, 80h shl ax, 8 stosw ; original sample (left channel) stosw ; original sample (right channel) ; 32 kHZ mono to 48 kHZ stereo conversion of the sample is OK dec ecx jnz short lff32m_1 lff32m_3: jmp lff32_3 lff32m_7: lff32s_7: jmp lff32_5 ; error load_32khz_stereo_8_bit: ; 02/02/2025 ; 15/11/2023 test byte [flags], ENDOFFILE ; have we already read the ; last of the file? jz short lff32s_0 ; no stc retn lff32s_0: ; 01/12/2024 ; edi = audio buffer address mov esi, temp_buffer ; temporary buffer for wav data ;mov edx, [loadsize] ; esi = buffer address ;; edx = buffer size ; load file into memory sys _read, [filehandle], esi, [loadsize] jc short lff32s_7 ; error ! ; 01/12/2024 mov [count], eax ;;; ; 29/05/2024 ;mov edi, [audio_buffer] ;;; shr eax, 1 jnz short lff32s_8 jmp lff32_eof lff32s_8: mov ecx, eax ; word count lff32s_1: lodsb mov [previous_val_l], al sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; original sample (L) lodsb mov [previous_val_r], al sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; original sample (R) ;xor eax, eax ; 02/02/2025 mov ax, [esi] dec ecx jnz short lff32s_2 ; convert 8 bit sample to 16 bit sample mov ax, 8080h lff32s_2: ;;mov [next_val_l], al ;;mov [next_val_r], ah ;mov bx, ax mov bh, ah add al, [previous_val_l] rcr al, 1 ;mov dl, al sub al, 80h shl ax, 8 stosw ; this is interpolated sample (L) mov al, bh ; [next_val_r] add al, [previous_val_r] rcr al, 1 ;mov dh, al sub al, 80h shl ax, 8 stosw ; this is interpolated sample (R) ; different than 8-16-24 kHZ ! ; 'original-interpolated-original' trio samples jecxz lff32s_3 lodsb sub al, 80h shl ax, 8 stosw ; original sample (left channel) lodsb sub al, 80h shl ax, 8 stosw ; original sample (right channel) ; 32 kHZ stereo to 48 kHZ stereo conversion of the sample is OK dec ecx jnz short lff32s_1 lff32s_3: jmp lff32_3 load_32khz_mono_16_bit: ; 02/02/2025 ; 15/11/2023 test byte [flags], ENDOFFILE ; have we already read the ; last of the file? jz short lff32m2_0 ; no stc retn lff32m2_0: ; 01/12/2024 ; edi = audio buffer address mov esi, temp_buffer ; temporary buffer for wav data ;mov edx, [loadsize] ; esi = buffer address ;; edx = buffer size ; load file into memory sys _read, [filehandle], esi, [loadsize] jc short lff32m2_7 ; error ! ; 01/12/2024 mov [count], eax ;;; ; 29/05/2024 ;mov edi, [audio_buffer] ;;; shr eax, 1 jnz short lff32m2_8 jmp lff32_eof lff32m2_8: mov ecx, eax ; word count lff32m2_1: lodsw stosw ; original sample (left channel) stosw ; original sample (right channel) add ah, 80h ; convert sound level 0 to 65535 format ;mov [previous_val], ax ;mov ebx, eax ;xor eax, eax ; 02/02/2025 ;mov ax, [esi] mov bx, [esi] dec ecx jnz short lff32m2_2 xor ebx, ebx lff32m2_2: ; 02/02/2025 add bh, 80h ; convert sound level 0 to 65535 format ;add ah, 80h ;mov ebp, eax ; [next_val] ;add ax, [previous_val] ; ax = [previous_val] ; bx = [next_val] add ax, bx rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; this is interpolated sample (L) stosw ; this is interpolated sample (R) ; different than 8-16-24 kHZ ! ; 'original-interpolated-original' trio samples jecxz lff32m2_3 lodsw stosw ; original sample (left channel) stosw ; original sample (right channel) ; 32 kHZ mono to 48 kHZ stereo conversion of the sample is OK dec ecx jnz short lff32m2_1 lff32m2_3: jmp lff32_3 lff32m2_7: lff32s2_7: jmp lff32_5 ; error load_32khz_stereo_16_bit: ; 02/02/2025 ; 16/11/2023 ; 15/11/2023 test byte [flags], ENDOFFILE ; have we already read the ; last of the file? jz short lff32s2_0 ; no stc retn lff32s2_0: ; 01/12/2024 ; edi = audio buffer address mov esi, temp_buffer ; temporary buffer for wav data ;mov edx, [loadsize] ; esi = buffer address ;; edx = buffer size ; load file into memory sys _read, [filehandle], esi, [loadsize] jc short lff32s2_7 ; error ! ; 01/12/2024 mov [count], eax ;;; ; 29/05/2024 ;mov edi, [audio_buffer] ;;; shr eax, 2 jnz short lff32s2_8 jmp lff32_eof lff32s2_8: mov ecx, eax ; dword count lff32s2_1: lodsw stosw ; original sample (L) add ah, 80h ; convert sound level 0 to 65535 format mov [previous_val_l], ax lodsw stosw ; original sample (R) add ah, 80h ; convert sound level 0 to 65535 format ;mov [previous_val_r], ax mov ebx, eax ; 02/02/2025 mov ax, [esi] mov dx, [esi+2] ; 16/11/2023 dec ecx jnz short lff32s2_2 xor edx, edx xor eax, eax lff32s2_2: add ah, 80h ; convert sound level 0 to 65535 format ;;mov [next_val_l], ax ;mov ebp, eax add dh, 80h ; convert sound level 0 to 65535 format ;mov [next_val_r], dx add ax, [previous_val_l] rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; this is interpolated sample (L) ;mov ax, [next_val_r] mov eax, edx ;add ax, [previous_val_r] add ax, bx rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; this is interpolated sample (R) ; different than 8-16-24 kHZ ! ; 'original-interpolated-original' trio samples jecxz lff32s2_3 lodsw stosw ; original sample (L) lodsw stosw ; original sample (R) ; 32 kHZ stereo to 48 kHZ stereo conversion of the sample is OK dec ecx jnz short lff32s2_1 lff32s2_3: jmp lff32_3 ; ..................... load_22khz_mono_8_bit: ; 02/02/2025 ; 16/11/2023 test byte [flags], ENDOFFILE ; have we already read the ; last of the file? jz short lff22m_0 ; no stc retn lff22m_0: ; 01/12/2024 ; edi = audio buffer address mov esi, temp_buffer ; temporary buffer for wav data ;mov edx, [loadsize] ; esi = buffer address ;; edx = buffer size ; load file into memory sys _read, [filehandle], esi, [loadsize] jc short lff22m_7 ; error ! ; 01/12/2024 mov [count], eax ;;; ; 29/05/2024 ;mov edi, [audio_buffer] ;;; and eax, eax jnz short lff22m_8 jmp lff22_eof lff22m_8: mov ecx, eax ; byte count lff22m_9: mov ebp, 5 ; interpolation (one step) loop count mov byte [faz], 3 ; 3 steps/phases lff22m_1: ; 3:2:2:2:2:2::3:2:2:2:2::3:2:2:2:2:2 ; 37/17 lodsb ; 02/02/2025 mov dl, [esi] dec ecx jnz short lff22m_2_1 mov dl, 80h lff22m_2_1: ; al = [previous_val] ; dl = [next_val] call interpolating_3_8bit_mono ; 1 of 17 jecxz lff22m_3 lff22m_2_2: lodsb ; 02/02/2025 mov dl, [esi] dec ecx jnz short lff22m_2_3 mov dl, 80h lff22m_2_3: call interpolating_2_8bit_mono ; 2 of 17 .. 6 of 17 jecxz lff22m_3 dec ebp jnz short lff22m_2_2 mov al, [faz] dec al jz short lff22m_9 dec byte [faz] mov ebp, 4 dec al jnz short lff22m_1 ; 3:2:2:2:2 ; 7-11 of 17 inc ebp ; 5 jmp short lff22m_1 ; 3:2:2:2:2:2 ; 12-17 of 17 lff22m_3: lff22s_3: jmp lff22_3 ; padfill ; (put zeros in the remain words of the buffer) lff22m_7: lff22s_7: jmp lff22_5 ; error load_22khz_stereo_8_bit: ; 02/02/2025 ; 16/11/2023 test byte [flags], ENDOFFILE ; have we already read the ; last of the file? jz short lff22s_0 ; no stc retn lff22s_0: ; 01/12/2024 ; edi = audio buffer address mov esi, temp_buffer ; temporary buffer for wav data ;mov edx, [loadsize] ; esi = buffer address ;; edx = buffer size ; load file into memory sys _read, [filehandle], esi, [loadsize] jc short lff22s_7 ; error ! ; 01/12/2024 mov [count], eax ;;; ; 29/05/2024 ;mov edi, [audio_buffer] ;;; shr eax, 1 jnz short lff22s_8 jmp lff22_eof lff22s_8: mov ecx, eax ; word count lff22s_9: mov ebp, 5 ; interpolation (one step) loop count mov byte [faz], 3 ; 3 steps/phase lff22s_1: ; 3:2:2:2:2:2::3:2:2:2:2::3:2:2:2:2:2 ; 37/17 lodsw ; 02/02/2025 mov dx, [esi] dec ecx jnz short lff22s_2_1 mov dx, 8080h lff22s_2_1: ; al = [previous_val_l] ; ah = [previous_val_r] ; dl = [next_val_l] ; dh = [next_val_r] call interpolating_3_8bit_stereo ; 1 of 17 jecxz lff22s_3 lff22s_2_2: lodsw ; 02/02/2025 mov dx, [esi] dec ecx jnz short lff22s_2_3 mov dx, 8080h lff22s_2_3: call interpolating_2_8bit_stereo ; 2 of 17 .. 6 of 17 jecxz lff22s_3 dec ebp jnz short lff22s_2_2 mov al, [faz] dec al jz short lff22s_9 dec byte [faz] mov ebp, 4 dec al jnz short lff22s_1 ; 3:2:2:2:2 ; 7-11 of 17 inc ebp ; 5 jmp short lff22s_1 ; 3:2:2:2:2:2 ; 12-17 of 17 load_22khz_mono_16_bit: ; 02/02/2025 ; 16/11/2023 test byte [flags], ENDOFFILE ; have we already read the ; last of the file? jz short lff22m2_0 ; no stc retn lff22m2_0: ; 01/12/2024 ; edi = audio buffer address mov esi, temp_buffer ; temporary buffer for wav data ;mov edx, [loadsize] ; esi = buffer address ;; edx = buffer size ; load file into memory sys _read, [filehandle], esi, [loadsize] jc short lff22m2_7 ; error ! ; 01/12/2024 mov [count], eax ;;; ; 29/05/2024 ;mov edi, [audio_buffer] ;;; shr eax, 1 jnz short lff22m2_8 jmp lff22_eof lff22m2_8: mov ecx, eax ; word count lff22m2_9: mov ebp, 5 ; interpolation (one step) loop count mov byte [faz], 3 ; 3 steps/phases lff22m2_1: ; 3:2:2:2:2:2::3:2:2:2:2::3:2:2:2:2:2 ; 37/17 lodsw ; 02/02/2025 mov dx, [esi] dec ecx jnz short lff22m2_2_1 xor edx, edx lff22m2_2_1: ; ax = [previous_val] ; dx = [next_val] call interpolating_3_16bit_mono ; 1 of 17 jecxz lff22m2_3 lff22m2_2_2: lodsw ; 02/02/2025 mov dx, [esi] dec ecx jnz short lff22m2_2_3 xor edx, edx lff22m2_2_3: call interpolating_2_16bit_mono ; 2 of 17 .. 6 of 17 jecxz lff22m2_3 dec ebp jnz short lff22m2_2_2 mov al, [faz] dec al jz short lff22m2_9 dec byte [faz] mov ebp, 4 dec al jnz short lff22m2_1 ; 3:2:2:2:2 ; 7-11 of 17 inc ebp ; 5 jmp short lff22m2_1 ; 3:2:2:2:2:2 ; 12-17 of 17 lff22m2_3: lff22s2_3: jmp lff22_3 ; padfill ; (put zeros in the remain words of the buffer) lff22m2_7: lff22s2_7: jmp lff22_5 ; error load_22khz_stereo_16_bit: ; 16/11/2023 test byte [flags], ENDOFFILE ; have we already read the ; last of the file? jz short lff22s2_0 ; no stc retn lff22s2_0: ; 01/12/2024 ; edi = audio buffer address mov esi, temp_buffer ; temporary buffer for wav data ;mov edx, [loadsize] ; esi = buffer address ;; edx = buffer size ; load file into memory sys _read, [filehandle], esi, [loadsize] jc short lff22s2_7 ; error ! ; 01/12/2024 mov [count], eax ;;; ; 29/05/2024 ;mov edi, [audio_buffer] ;;; shr eax, 2 ; dword (left chan word + right chan word) jnz short lff22s2_8 jmp lff22_eof lff22s2_8: mov ecx, eax ; dword count lff22s2_9: mov ebp, 5 ; interpolation (one step) loop count mov byte [faz], 3 ; 3 steps/phase lff22s2_1: ; 3:2:2:2:2:2::3:2:2:2:2::3:2:2:2:2:2 ; 37/17 lodsw mov ebx, eax lodsw mov edx, [esi] mov [next_val_l], dx ; 26/11/2023 shr edx, 16 dec ecx jnz short lff22s2_2_1 xor edx, edx ; 0 mov [next_val_l], dx lff22s2_2_1: ; bx = [previous_val_l] ; ax = [previous_val_r] ; [next_val_l] ; dx = [next_val_r] call interpolating_3_16bit_stereo ; 1 of 17 jecxz lff22s2_3 lff22s2_2_2: lodsw mov ebx, eax lodsw mov edx, [esi] mov [next_val_l], dx ; 26/11/2023 shr edx, 16 dec ecx jnz short lff22s2_2_3 xor edx, edx ; 0 mov [next_val_l], dx lff22s2_2_3: call interpolating_2_16bit_stereo ; 2 of 17 .. 6 of 17 jecxz lff22s2_2_4 dec ebp jnz short lff22s2_2_2 mov al, [faz] dec al jz short lff22s2_9 dec byte [faz] mov ebp, 4 dec al jnz short lff22s2_1 ; 3:2:2:2:2 ; 7-11 of 17 inc ebp ; 5 jmp short lff22s2_1 ; 3:2:2:2:2:2 ; 12-17 of 17 lff22s2_2_4: ; 26/11/2023 jmp lff22_3 ; padfill ; ..................... load_11khz_mono_8_bit: ; 02/02/2025 ; 18/11/2023 test byte [flags], ENDOFFILE ; have we already read the ; last of the file? jz short lff11m_0 ; no stc retn lff11m_0: ; 01/12/2024 ; edi = audio buffer address mov esi, temp_buffer ; temporary buffer for wav data ;mov edx, [loadsize] ; esi = buffer address ;; edx = buffer size ; load file into memory sys _read, [filehandle], esi, [loadsize] jc short lff11m_7 ; error ! ; 01/12/2024 mov [count], eax ;;; ; 29/05/2024 ;mov edi, [audio_buffer] ;;; and eax, eax jnz short lff11m_8 jmp lff11_eof lff11m_8: mov ecx, eax ; byte count lff11m_9: mov ebp, 6 ; interpolation (one step) loop count lff11m_1: ; 5:4:4::5:4:4::5:4:4::5:4:4::5:4:4::5:4 ; 74/17 lodsb ; 02/02/2025 mov dl, [esi] dec ecx jnz short lff11m_2_1 mov dl, 80h lff11m_2_1: ; al = [previous_val] ; dl = [next_val] call interpolating_5_8bit_mono jecxz lff11m_3 lff11m_2_2: lodsb ; 02/02/2025 mov dl, [esi] dec ecx jnz short lff11m_2_3 mov dl, 80h lff11m_2_3: call interpolating_4_8bit_mono jecxz lff11m_3 dec ebp jz short lff11m_9 lodsb ; 02/02/2025 mov dl, [esi] dec ecx jnz short lff11m_2_4 mov dl, 80h lff11m_2_4: call interpolating_4_8bit_mono jecxz lff11m_3 jmp short lff11m_1 lff11m_7: lff11s_7: jmp lff11_5 ; error lff11m_3: lff11s_3: jmp lff11_3 ; padfill ; (put zeros in the remain words of the buffer) load_11khz_stereo_8_bit: ; 02/02/2025 ; 18/11/2023 test byte [flags], ENDOFFILE ; have we already read the ; last of the file? jz short lff11s_0 ; no stc retn lff11s_0: ; 01/12/2024 ; edi = audio buffer address mov esi, temp_buffer ; temporary buffer for wav data ;mov edx, [loadsize] ; esi = buffer address ;; edx = buffer size ; load file into memory sys _read, [filehandle], esi, [loadsize] jc short lff11s_7 ; error ! ; 01/12/2024 mov [count], eax ;;; ; 29/05/2024 ;mov edi, [audio_buffer] ;;; shr eax, 1 jnz short lff11s_8 jmp lff11_eof lff11s_8: mov ecx, eax ; word count lff11s_9: mov ebp, 6 ; interpolation (one step) loop count lff11s_1: ; 5:4:4::5:4:4::5:4:4::5:4:4::5:4:4::5:4 ; 74/17 lodsw ; 02/02/2025 mov dx, [esi] dec ecx jnz short lff11s_2_1 mov dx, 8080h lff11s_2_1: ; al = [previous_val_l] ; ah = [previous_val_r] ; dl = [next_val_l] ; dh = [next_val_r] call interpolating_5_8bit_stereo jecxz lff11s_3 lff11s_2_2: lodsw ; 02/02/2025 mov dx, [esi] dec ecx jnz short lff11s_2_3 mov dx, 8080h lff11s_2_3: call interpolating_4_8bit_stereo jecxz lff11s_3 dec ebp jz short lff11s_9 lodsw ; 02/02/2025 mov dx, [esi] dec ecx jnz short lff11s_2_4 mov dx, 8080h lff11s_2_4: call interpolating_4_8bit_stereo jecxz lff11s_3 jmp short lff11s_1 load_11khz_mono_16_bit: ; 02/02/2025 ; 18/11/2023 test byte [flags], ENDOFFILE ; have we already read the ; last of the file? jz short lff11m2_0 ; no stc retn lff11m2_0: ; 01/12/2024 ; edi = audio buffer address mov esi, temp_buffer ; temporary buffer for wav data ;mov edx, [loadsize] ; esi = buffer address ;; edx = buffer size ; load file into memory sys _read, [filehandle], esi, [loadsize] jc short lff11m2_7 ; error ! ; 01/12/2024 mov [count], eax ;;; ; 29/05/2024 ;mov edi, [audio_buffer] ;;; shr eax, 1 jnz short lff11m2_8 jmp lff11_eof lff11m2_8: mov ecx, eax ; word count lff11m2_9: mov ebp, 6 ; interpolation (one step) loop count lff11m2_1: ; 5:4:4::5:4:4::5:4:4::5:4:4::5:4:4::5:4 ; 74/17 lodsw ; 02/02/2025 mov dx, [esi] dec ecx jnz short lff11m2_2_1 xor edx, edx lff11m2_2_1: ; ax = [previous_val] ; dx = [next_val] call interpolating_5_16bit_mono jecxz lff11m2_3 lff11m2_2_2: lodsw ; 02/02/2025 mov dx, [esi] dec ecx jnz short lff11m2_2_3 xor edx, edx lff11m2_2_3: call interpolating_4_16bit_mono jecxz lff11m2_3 dec ebp jz short lff11m2_9 lodsw ; 02/02/2025 mov dx, [esi] dec ecx jnz short lff11m2_2_4 xor edx, edx lff11m2_2_4: call interpolating_4_16bit_mono jecxz lff11m2_3 jmp short lff11m2_1 lff11m2_7: lff11s2_7: jmp lff11_5 ; error load_11khz_stereo_16_bit: ; 17/01/2025 ; 18/11/2023 test byte [flags], ENDOFFILE ; have we already read the ; last of the file? jz short lff11s2_0 ; no stc retn lff11s2_0: ; 01/12/2024 ; edi = audio buffer address mov esi, temp_buffer ; temporary buffer for wav data ;mov edx, [loadsize] ; esi = buffer address ;; edx = buffer size ; load file into memory sys _read, [filehandle], esi, [loadsize] jc short lff11s2_7 ; error ! ; 01/12/2024 mov [count], eax ;;; ; 29/05/2024 ;mov edi, [audio_buffer] ;;; shr eax, 2 ; dword (left chan word + right chan word) jnz short lff11s2_8 jmp lff11_eof lff11m2_3: lff11s2_3: jmp lff11_3 ; padfill ; (put zeros in the remain words of the buffer) lff11s2_8: mov ecx, eax ; dword count lff11s2_9: mov ebp, 6 ; interpolation (one step) loop count lff11s2_1: ; 5:4:4::5:4:4::5:4:4::5:4:4::5:4:4::5:4 ; 74/17 lodsw mov ebx, eax lodsw mov edx, [esi] ; 17/01/2025 ;mov [next_val_l], edx ; 26/11/2023 ;shr edx, 16 ;mov [next_val_r], dx dec ecx jnz short lff11s2_2_1 xor edx, edx ; 0 ;mov [next_val_l], dx ;mov [next_val_r], dx lff11s2_2_1: ; bx = [previous_val_l] ; ax = [previous_val_r] ; [next_val_l] ; dx = [next_val_r] ;;; ; 17/01/2025 (BugFix) mov [next_val_l], edx ;;; call interpolating_5_16bit_stereo jecxz lff11s2_3 lff11s2_2_2: lodsw mov ebx, eax lodsw mov edx, [esi] ; 17/01/2025 ;mov [next_val_l], dx ; 26/11/2023 ;shr edx, 16 ;mov [next_val_r], dx dec ecx jnz short lff11s2_2_3 xor edx, edx ; 0 ;mov [next_val_l], dx ;mov [next_val_r], dx lff11s2_2_3: ;;; ; 17/01/2025 (BugFix) mov [next_val_l], edx ;;; call interpolating_4_16bit_stereo jecxz lff11s2_3 dec ebp jz short lff11s2_9 lodsw mov ebx, eax lodsw mov edx, [esi] ; 17/01/2025 ;mov [next_val_l], dx ; 26/11/2023 ;shr edx, 16 ;mov [next_val_r], dx dec ecx jnz short lff11s2_2_4 xor edx, edx ; 0 ;mov [next_val_l], dx ;mov [next_val_r], dx lff11s2_2_4: ;;; ; 17/01/2025 (BugFix) mov [next_val_l], edx ;;; call interpolating_4_16bit_stereo jecxz lff11s2_3 jmp short lff11s2_1 ; ..................... load_44khz_mono_8_bit: ; 02/02/2025 ; 18/11/2023 test byte [flags], ENDOFFILE ; have we already read the ; last of the file? jz short lff44m_0 ; no stc retn lff44m_0: ; 01/12/2024 ; edi = audio buffer address mov esi, temp_buffer ; temporary buffer for wav data ;mov edx, [loadsize] ; esi = buffer address ;; edx = buffer size ; load file into memory sys _read, [filehandle], esi, [loadsize] jc short lff44m_7 ; error ! ; 01/12/2024 mov [count], eax ;;; ; 29/05/2024 ;mov edi, [audio_buffer] ;;; and eax, eax jnz short lff44m_8 jmp lff44_eof lff44m_8: mov ecx, eax ; byte count lff44m_9: mov ebp, 10 ; interpolation (one step) loop count mov byte [faz], 2 ; 2 steps/phases lff44m_1: ; 2:1:1:1:1:1:1:1:1:1:1:: ; 25/23 ; 2:1:1:1:1:1:1:1:1:1:1:1 lodsb ; 02/02/2025 mov dl, [esi] dec ecx jnz short lff44m_2_1 mov dl, 80h lff44m_2_1: ; al = [previous_val] ; dl = [next_val] call interpolating_2_8bit_mono jecxz lff44m_3 lff44m_2_2: lodsb sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; (L) stosw ; (R) dec ecx jz short lff44m_3 dec ebp jnz short lff44m_2_2 dec byte [faz] jz short lff44m_9 mov ebp, 11 jmp short lff44m_1 lff44m_3: lff44s_3: jmp lff44_3 ; padfill ; (put zeros in the remain words of the buffer) lff44m_7: lff44s_7: jmp lff44_5 ; error load_44khz_stereo_8_bit: ; 02/02/2025 ; 16/11/2023 test byte [flags], ENDOFFILE ; have we already read the ; last of the file? jz short lff44s_0 ; no stc retn lff44s_0: ; 01/12/2024 ; edi = audio buffer address mov esi, temp_buffer ; temporary buffer for wav data ;mov edx, [loadsize] ; esi = buffer address ;; edx = buffer size ; load file into memory sys _read, [filehandle], esi, [loadsize] jc short lff44s_7 ; error ! ; 01/12/2024 mov [count], eax ;;; ; 29/05/2024 ;mov edi, [audio_buffer] ;;; shr eax, 1 jnz short lff44s_8 jmp lff44_eof lff44s_8: mov ecx, eax ; word count lff44s_9: mov ebp, 10 ; interpolation (one step) loop count mov byte [faz], 2 ; 2 steps/phase lff44s_1: ; 2:1:1:1:1:1:1:1:1:1:1:: ; 25/23 ; 2:1:1:1:1:1:1:1:1:1:1:1 lodsw ; 02/02/2025 mov dx, [esi] dec ecx jnz short lff44s_2_1 mov dx, 8080h lff44s_2_1: ; al = [previous_val_l] ; ah = [previous_val_r] ; dl = [next_val_l] ; dh = [next_val_r] call interpolating_2_8bit_stereo jecxz lff44s_3 lff44s_2_2: lodsb sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; (L) lodsb sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; (R) dec ecx jz short lff44s_3 dec ebp jnz short lff44s_2_2 dec byte [faz] jz short lff44s_9 mov ebp, 11 jmp short lff44s_1 load_44khz_mono_16_bit: ; 02/02/2025 ; 18/11/2023 test byte [flags], ENDOFFILE ; have we already read the ; last of the file? jz short lff44m2_0 ; no stc retn lff44m2_0: ; 01/12/2024 ; edi = audio buffer address mov esi, temp_buffer ; temporary buffer for wav data ;mov edx, [loadsize] ; esi = buffer address ;; edx = buffer size ; load file into memory sys _read, [filehandle], esi, [loadsize] jc short lff44m2_7 ; error ! ; 01/12/2024 mov [count], eax ;;; ; 29/05/2024 ;mov edi, [audio_buffer] ;;; shr eax, 1 jnz short lff44m2_8 jmp lff44_eof lff44m2_8: mov ecx, eax ; word count lff44m2_9: mov ebp, 10 ; interpolation (one step) loop count mov byte [faz], 2 ; 2 steps/phases lff44m2_1: ; 2:1:1:1:1:1:1:1:1:1:1:: ; 25/23 ; 2:1:1:1:1:1:1:1:1:1:1:1 lodsw ; 02/02/2025 mov dx, [esi] dec ecx jnz short lff44m2_2_1 xor edx, edx lff44m2_2_1: ; ax = [previous_val] ; dx = [next_val] call interpolating_2_16bit_mono jecxz lff44m2_3 lff44m2_2_2: lodsw stosw ; (L)eft Channel stosw ; (R)ight Channel dec ecx jz short lff44m2_3 dec ebp jnz short lff44m2_2_2 dec byte [faz] jz short lff44m2_9 mov ebp, 11 jmp short lff44m2_1 lff44m2_3: lff44s2_3: jmp lff44_3 ; padfill ; (put zeros in the remain words of the buffer) lff44m2_7: lff44s2_7: jmp lff44_5 ; error load_44khz_stereo_16_bit: ; 18/11/2023 test byte [flags], ENDOFFILE ; have we already read the ; last of the file? jz short lff44s2_0 ; no stc retn lff44s2_0: ; 01/12/2024 ; edi = audio buffer address mov esi, temp_buffer ; temporary buffer for wav data ;mov edx, [loadsize] ; esi = buffer address ;; edx = buffer size ; load file into memory sys _read, [filehandle], esi, [loadsize] jc short lff44s2_7 ; error ! ; 01/12/2024 mov [count], eax ;;; ; 29/05/2024 ;mov edi, [audio_buffer] ;;; shr eax, 2 ; dword (left chan word + right chan word) jnz short lff44s2_8 jmp lff44_eof lff44s2_8: mov ecx, eax ; dword count lff44s2_9: mov ebp, 10 ; interpolation (one step) loop count mov byte [faz], 2 ; 2 steps/phase lff44s2_1: ; 2:1:1:1:1:1:1:1:1:1:1:: ; 25/23 ; 2:1:1:1:1:1:1:1:1:1:1:1 lodsw mov ebx, eax lodsw ;mov dx, [esi] ;mov [next_val_l], dx ;mov dx, [esi+2] ; 26/11/2023 mov edx, [esi] mov [next_val_l], dx shr edx, 16 dec ecx jnz short lff44s2_2_1 xor edx, edx ; 0 mov [next_val_l], dx lff44s2_2_1: ; bx = [previous_val_l] ; ax = [previous_val_r] ; [next_val_l] ; dx = [next_val_r] call interpolating_2_16bit_stereo jecxz lff44s2_3 lff44s2_2_2: ;movsw ; (L)eft Channel ;movsw ; (R)ight Channel movsd dec ecx jz short lff44s2_3 dec ebp jnz short lff44s2_2_2 dec byte [faz] jz short lff44s2_9 mov ebp, 11 jmp short lff44s2_1 ; ..................... ; 02/02/2025 load_12khz_mono_8_bit: test byte [flags], ENDOFFILE ; have we already read the ; last of the file? jz short lff12m_0 ; no stc retn lff12m_0: ; edi = audio buffer address mov esi, temp_buffer ; temporary buffer for wav data ; load file into memory sys _read, [filehandle], esi, [loadsize] jc short lff12m_7 ; error ! mov [count], eax and eax, eax jnz short lff12m_8 jmp lff12_eof lff12m_8: mov ecx, eax ; byte count lff12m_1: ; original-interpolated-interpolated-interpolated lodsb ; 02/02/2025 mov dl, [esi] dec ecx jnz short lff12m_2 mov dl, 80h lff12m_2: ; al = [previous_val] ; dl = [next_val] call interpolating_4_8bit_mono jecxz lff12m_3 jmp short lff12m_1 ; 02/02/2025 load_12khz_stereo_8_bit: test byte [flags], ENDOFFILE ; have we already read the ; last of the file? jz short lff12s_0 ; no stc retn lff12s_0: ; edi = audio buffer address mov esi, temp_buffer ; temporary buffer for wav data ; load file into memory sys _read, [filehandle], esi, [loadsize] jc short lff12s_7 ; error ! mov [count], eax shr eax, 1 jnz short lff12s_8 jmp lff12_eof lff12m_7: lff12s_7: jmp lff12_5 ; error lff12s_8: mov ecx, eax ; word count lff12s_1: ; original-interpolated-interpolated-interpolated lodsw ; 02/02/2025 mov dx, [esi] dec ecx jnz short lff12s_2 mov dx, 8080h lff12s_2: ; al = [previous_val_l] ; ah = [previous_val_r] ; dl = [next_val_l] ; dh = [next_val_r] call interpolating_4_8bit_stereo jecxz lff12s_3 jmp short lff12s_1 lff12m_3: lff12s_3: jmp lff12_3 ; padfill ; (put zeros in the remain words of the buffer) ; 02/02/2025 load_12khz_mono_16_bit: test byte [flags], ENDOFFILE ; have we already read the ; last of the file? jz short lff12m2_0 ; no stc retn lff12m2_0: ; edi = audio buffer address mov esi, temp_buffer ; temporary buffer for wav data ; load file into memory sys _read, [filehandle], esi, [loadsize] jc short lff12m2_7 ; error ! mov [count], eax shr eax, 1 jnz short lff12m2_8 jmp lff12_eof lff12m2_8: mov ecx, eax ; word count lff12m2_1: ; original-interpolated-interpolated-interpolated lodsw ; 02/02/2025 mov dx, [esi] dec ecx jnz short lff12m2_2 xor edx, edx lff12m2_2: ; ax = [previous_val] ; dx = [next_val] call interpolating_4_16bit_mono jecxz lff12m_3 jmp short lff12m2_1 lff12m2_7: lff12s2_7: jmp lff12_5 ; error ; 02/02/2025 load_12khz_stereo_16_bit: test byte [flags], ENDOFFILE ; have we already read the ; last of the file? jz short lff12s2_0 ; no stc retn lff12s2_0: ; edi = audio buffer address mov esi, temp_buffer ; temporary buffer for wav data ; load file into memory sys _read, [filehandle], esi, [loadsize] jc short lff12s2_7 ; error ! mov [count], eax shr eax, 2 ; dword (left chan word + right chan word) jnz short lff12s2_8 jmp lff12_eof lff12m2_3: lff12s2_3: jmp lff12_3 ; padfill ; (put zeros in the remain words of the buffer) lff12s2_8: mov ecx, eax ; dword count lff12s2_1: ; original-interpolated-interpolated-interpolated lodsw mov ebx, eax lodsw mov edx, [esi] dec ecx jnz short lff12s2_2 xor edx, edx ; 0 lff12s2_2: ;mov [next_val_l], dx ;shr edx, 16 ;mov [next_val_r], dx ; 02/02/2025 mov [next_val_l], edx ; bx = [previous_val_l] ; ax = [previous_val_r] ; [next_val_l] ; [next_val_r] call interpolating_4_16bit_stereo jecxz lff12s2_3 jmp short lff12s2_1 ; ..................... interpolating_3_8bit_mono: ; 02/02/2025 ; 16/11/2023 ; al = [previous_val] ; dl = [next_val] ; original-interpolated-interpolated mov bl, al sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; original sample (L) stosw ; original sample (R) mov al, bl add al, dl rcr al, 1 mov bh, al ; interpolated middle (temporary) add al, bl rcr al, 1 sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; interpolated sample 1 (L) stosw ; interpolated sample 1 (R) mov al, bh add al, dl ; [next_val] rcr al, 1 ; 02/02/2025 sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; interpolated sample 2 (L) stosw ; interpolated sample 2 (R) retn interpolating_3_8bit_stereo: ; 02/02/2025 ; 16/11/2023 ; al = [previous_val_l] ; ah = [previous_val_r] ; dl = [next_val_l] ; dh = [next_val_r] ; original-interpolated-interpolated mov ebx, eax sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; original sample (L) mov al, bh sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; original sample (R) mov al, bl add al, dl ; [next_val_l] rcr al, 1 push eax ; * ; al = interpolated middle (L) (temporary) add al, bl ; [previous_val_l] rcr al, 1 sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; interpolated sample 1 (L) mov al, bh add al, dh ; [next_val_r] rcr al, 1 push eax ; ** ; al = interpolated middle (R) (temporary) add al, bh ; [previous_val_r] rcr al, 1 sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; interpolated sample 1 (R) pop ebx ; ** pop eax ; * add al, dl ; [next_val_l] rcr al, 1 ; 02/02/2025 sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; interpolated sample 2 (L) mov al, bl add al, dh ; [next_val_r] rcr al, 1 ; 02/02/2025 sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; interpolated sample 2 (R) retn interpolating_2_8bit_mono: ; 16/11/2023 ; al = [previous_val] ; dl = [next_val] ; original-interpolated mov bl, al sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; original sample (L) stosw ; original sample (R) mov al, bl add al, dl rcr al, 1 sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; interpolated sample (L) stosw ; interpolated sample (R) retn interpolating_2_8bit_stereo: ; 16/11/2023 ; al = [previous_val_l] ; ah = [previous_val_r] ; dl = [next_val_l] ; dh = [next_val_r] ; original-interpolated mov ebx, eax sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; original sample (L) mov al, bh sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; original sample (R) mov al, bl ; [previous_val_l] add al, dl ; [next_val_l] rcr al, 1 sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; interpolated sample (L) mov al, bh add al, dh ; [next_val_r] rcr al, 1 sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; interpolated sample (R) retn interpolating_3_16bit_mono: ; 16/11/2023 ; ax = [previous_val] ; dx = [next_val] ; original-interpolated-interpolated stosw ; original sample (L) stosw ; original sample (R) add ah, 80h ; convert sound level 0 to 65535 format push eax ; * ; [previous_val] add dh, 80h add ax, dx rcr ax, 1 pop ebx ; * xchg ebx, eax ; bx = interpolated middle (temporary) add ax, bx ; [previous_val] + interpolated middle rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; interpolated sample 1 (L) stosw ; interpolated sample 1 (R) mov eax, ebx add ax, dx ; interpolated middle + [next_val] rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; interpolated sample 2 (L) stosw ; interpolated sample 2 (R) retn interpolating_3_16bit_stereo: ; 16/11/2023 ; bx = [previous_val_l] ; ax = [previous_val_r] ; [next_val_l] ; dx = [next_val_r] ; original-interpolated-interpolated xchg eax, ebx stosw ; original sample (L) xchg eax, ebx stosw ; original sample (R) add ah, 80h ; convert sound level 0 to 65535 format push eax ; * ; [previous_val_r] add bh, 80h add byte [next_val_l+1], 80h mov ax, [next_val_l] add ax, bx ; [previous_val_l] rcr ax, 1 xchg eax, ebx ; ax = [previous_val_l] add ax, bx ; bx = interpolated middle (L) rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; interpolated sample 1 (L) pop eax ; * add dh, 80h ; convert sound level 0 to 65535 format push edx ; * ; [next_val_r] xchg eax, edx add ax, dx ; [next_val_r] + [previous_val_r] rcr ax, 1 ; / 2 push eax ; ** ; interpolated middle (R) add ax, dx ; + [previous_val_r] rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; interpolated sample 1 (R) mov ax, [next_val_l] add ax, bx ; + interpolated middle (L) rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; interpolated sample 2 (L) pop eax ; ** pop edx ; * add ax, dx ; interpolated middle + [next_val_r] rcr ax, 1 ; / 2 sub ah, 80h ; -32768 to +32767 format again stosw ; interpolated sample 2 (L) retn interpolating_2_16bit_mono: ; 16/11/2023 ; ax = [previous_val] ; dx = [next_val] ; original-interpolated stosw ; original sample (L) stosw ; original sample (R) add ah, 80h ; convert sound level 0 to 65535 format add dh, 80h add ax, dx rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; interpolated sample (L) stosw ; interpolated sample (R) retn interpolating_2_16bit_stereo: ; 17/01/2025 ; 16/11/2023 ; bx = [previous_val_l] ; ax = [previous_val_r] ; [next_val_l] ; dx = [next_val_r] ; original-interpolated xchg eax, ebx stosw ; original sample (L) xchg eax, ebx stosw ; original sample (R) add ah, 80h ; convert sound level 0 to 65535 format add dh, 80h add ax, dx ; [previous_val_r] + [next_val_r] rcr ax, 1 ; / 2 ; 17/01/2025 sub ah, 80h ; -32768 to +32767 format again ;push eax ; * ; interpolated sample (R) ; 17/01/2025 shl eax, 16 mov ax, [next_val_l] add ah, 80h add bh, 80h add ax, bx ; [next_val_l] + [previous_val_l] rcr ax, 1 ; / 2 sub ah, 80h ; -32768 to +32767 format again ; 17/01/2025 ;stosw ; interpolated sample (L) ;pop eax ; * ;sub ah, 80h ; -32768 to +32767 format again ;stosw ; interpolated sample (R) ; 17/01/2025 stosd retn interpolating_5_8bit_mono: ; 17/11/2023 ; al = [previous_val] ; dl = [next_val] ; original-interpltd-interpltd-interpltd-interpltd mov bl, al sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; original sample (L) stosw ; original sample (R) mov al, bl add al, dl rcr al, 1 mov bh, al ; interpolated middle (temporary) add al, bl ; [previous_val] rcr al, 1 mov dh, al ; interpolated 1st quarter (temporary) add al, bl rcr al, 1 sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; interpolated sample 1 (L) stosw ; interpolated sample 1 (R) mov al, bh add al, dh rcr al, 1 sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; interpolated sample 2 (L) stosw ; interpolated sample 2 (R) mov al, bh add al, dl ; [next_val] rcr al, 1 mov dh, al ; interpolated 3rd quarter (temporary) add al, bh rcr al, 1 sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; interpolated sample 3 (L) stosw ; interpolated sample 3 (R) mov al, dh add al, dl rcr al, 1 sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; interpolated sample 4 (L) stosw ; interpolated sample 4 (R) retn interpolating_5_8bit_stereo: ; 17/11/2023 ; al = [previous_val_l] ; ah = [previous_val_r] ; dl = [next_val_l] ; dh = [next_val_r] ; original-interpltd-interpltd-interpltd-interpltd mov ebx, eax sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; original sample (L) mov al, bh sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; original sample (R) push edx ; * mov al, bl add al, dl ; [next_val_l] rcr al, 1 push eax ; ** ; al = interpolated middle (L) (temporary) add al, bl ; [previous_val_l] rcr al, 1 xchg al, bl add al, bl ; bl = interpolated 1st quarter (L) (temp) rcr al, 1 sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; interpolated sample 1 (L) mov al, bh add al, dh ; [next_val_r] rcr al, 1 push eax ; *** ; al = interpolated middle (R) (temporary) add al, bh ; [previous_val_r] rcr al, 1 xchg al, bh add al, bh ; bh = interpolated 1st quarter (R) (temp) rcr al, 1 sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; interpolated sample 1 (R) pop edx ; *** pop eax ; ** ; al = interpolated middle (L) (temporary) xchg al, bl ; al = interpolated 1st quarter (L) (temp) add al, bl ; bl = interpolated middle (L) (temporary) rcr al, 1 sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; interpolated sample 2 (L) mov al, dl ; interpolated middle (R) (temporary) xchg al, bh ; al = interpolated 1st quarter (R) (temp) add al, bh ; bh = interpolated middle (R) (temporary) rcr al, 1 sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; interpolated sample 2 (R) pop edx ; * mov al, bl ; interpolated middle (L) (temporary) add al, dl ; [next_val_l] rcr al, 1 xchg al, bl ; al = interpolated middle (R) (temporary) add al, bl ; bl = interpolated 3rd quarter (L) (temp) rcr al, 1 sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; interpolated sample 3 (L) mov al, bh add al, dh ; interpolated middle (R) + [next_val_r] rcr al, 1 xchg al, bh ; al = interpolated middle (R) add al, bh ; bh = interpolated 3rd quarter (R) (temp) rcr al, 1 sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; interpolated sample 3 (R) mov al, bl add al, dl ; [next_val_l] rcr al, 1 sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; interpolated sample 4 (L) mov al, bh add al, dh ; [next_val_r] rcr al, 1 sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; interpolated sample 4 (R) retn interpolating_4_8bit_mono: ; 17/11/2023 ; al = [previous_val] ; dl = [next_val] ; original-interpolated-interpolated-interpolated mov bl, al sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; original sample (L) stosw ; original sample (R) mov al, bl add al, dl rcr al, 1 xchg al, bl ; al = [previous_val] add al, bl ; bl = interpolated middle (sample 2) rcr al, 1 sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; interpolated sample 1 (L) stosw ; interpolated sample 1 (R) mov al, bl ; interpolated middle (sample 2) sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; interpolated sample 2 (L) stosw ; interpolated sample 2 (R) mov al, bl add al, dl ; [next_val] rcr al, 1 sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; interpolated sample 3 (L) stosw ; interpolated sample 3 (R) retn interpolating_4_8bit_stereo: ; 17/11/2023 ; al = [previous_val_l] ; ah = [previous_val_r] ; dl = [next_val_l] ; dh = [next_val_r] ; original-interpolated-interpolated-interpolated mov ebx, eax sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; original sample (L) mov al, bh sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; original sample (R) mov al, bl add al, dl ; [next_val_l] rcr al, 1 xchg al, bl ; al = [previous_val_l] add al, bl ; bl = interpolated middle (L) (sample 2) rcr al, 1 sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; interpolated sample 1 (L) mov al, bh add al, dh ; [next_val_r] rcr al, 1 xchg al, bh ; al = [previous_val_h] add al, bh ; bh = interpolated middle (R) (sample 2) rcr al, 1 sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; interpolated sample 1 (R) mov al, bl ; interpolated middle (L) (sample 2) sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; interpolated sample 2 (L) mov al, bh ; interpolated middle (L) (sample 2) sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; interpolated sample 2 (L) mov al, bl add al, dl ; [next_val_l] rcr al, 1 sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; interpolated sample 3 (L) mov al, bh add al, dh ; [next_val_r] rcr al, 1 sub al, 80h shl ax, 8 ; convert 8 bit sample to 16 bit sample stosw ; interpolated sample 3 (R) retn interpolating_5_16bit_mono: ; 18/11/2023 ; ax = [previous_val] ; dx = [next_val] ; original-interpltd-interpltd-interpltd-interpltd stosw ; original sample (L) stosw ; original sample (R) add ah, 80h ; convert sound level 0 to 65535 format mov ebx, eax ; [previous_val] add dh, 80h add ax, dx rcr ax, 1 push eax ; * ; interpolated middle (temporary) add ax, bx ; interpolated middle + [previous_val] rcr ax, 1 push eax ; ** ; interpolated 1st quarter (temporary) add ax, bx ; 1st quarter + [previous_val] rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; interpolated sample 1 (L) stosw ; interpolated sample 1 (R) pop eax ; ** pop ebx ; * add ax, bx ; 1st quarter + middle rcr ax, 1 ; / 2 sub ah, 80h ; -32768 to +32767 format again stosw ; interpolated sample 2 (L) stosw ; interpolated sample 2 (R) mov eax, ebx add ax, dx ; interpolated middle + [next_val] rcr ax, 1 push eax ; * ; interpolated 3rd quarter (temporary) add ax, bx ; + interpolated middle rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; interpolated sample 3 (L) stosw ; interpolated sample 3 (R) pop eax ; * add ax, dx ; 3rd quarter + [next_val] rcr ax, 1 ; / 2 sub ah, 80h ; -32768 to +32767 format again stosw ; interpolated sample 4 (L) stosw ; interpolated sample 4 (R) retn interpolating_5_16bit_stereo: ; 18/11/2023 ; bx = [previous_val_l] ; ax = [previous_val_r] ; [next_val_l] ; [next_val_r] ; original-interpltd-interpltd-interpltd-interpltd push ecx ; ! xchg eax, ebx stosw ; original sample (L) xchg eax, ebx stosw ; original sample (R) add ah, 80h ; convert sound level 0 to 65535 format push eax ; * ; [previous_val_r] add bh, 80h add byte [next_val_l+1], 80h mov ax, [next_val_l] add ax, bx ; [previous_val_l] rcr ax, 1 mov ecx, eax ; interpolated middle (L) add ax, bx rcr ax, 1 mov edx, eax ; interpolated 1st quarter (L) add ax, bx ; [previous_val_l] rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; interpolated sample 1 (L) mov eax, ecx add ax, dx ; middle (L) + 1st quarter (L) rcr ax, 1 ; / 2 mov ebx, eax ; interpolated sample 2 (L) pop edx ; * ; [previous_val_r] mov eax, edx add byte [next_val_r+1], 80h add ax, [next_val_r] rcr ax, 1 push eax ; * ; interpolated middle (R) add ax, dx rcr ax, 1 push eax ; ** ; interpolated 1st quarter (R) add ax, dx ; [previous_val_r] rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; interpolated sample 1 (R) mov eax, ebx sub ah, 80h ; -32768 to +32767 format again stosw ; interpolated sample 2 (L) pop eax ; ** pop edx ; * add ax, dx ; 1st quarter (R) + middle (R) rcr ax, 1 ; / 2 sub ah, 80h ; -32768 to +32767 format again stosw ; interpolated sample 2 (R) mov eax, ecx add ax, [next_val_l] rcr ax, 1 push eax ; * ; interpolated 3rd quarter (L) add ax, cx ; interpolated middle (L) rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; interpolated sample 3 (L) mov eax, edx add ax, [next_val_r] rcr ax, 1 push eax ; ** ; interpolated 3rd quarter (R) add ax, dx ; interpolated middle (R) rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; interpolated sample 3 (R) pop ebx ; ** pop eax ; * add ax, [next_val_l] rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; interpolated sample 4 (L) mov eax, ebx add ax, [next_val_r] rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; interpolated sample 4 (R) pop ecx ; ! retn interpolating_4_16bit_mono: ; 18/11/2023 ; ax = [previous_val] ; dx = [next_val] ; 02/02/2025 ; original-interpolated-interpolated-interpolated stosw ; original sample (L) stosw ; original sample (R) add ah, 80h ; convert sound level 0 to 65535 format mov ebx, eax ; [previous_val] add dh, 80h add ax, dx ; [previous_val] + [next_val] rcr ax, 1 xchg eax, ebx add ax, bx ; [previous_val] + interpolated middle rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; interpolated sample 1 (L) stosw ; interpolated sample 1 (R) mov eax, ebx ; interpolated middle sub ah, 80h ; -32768 to +32767 format again stosw ; interpolated sample 2 (L) stosw ; interpolated sample 2 (R) mov eax, ebx add ax, dx ; interpolated middle + [next_val] rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; interpolated sample 3 (L) stosw ; interpolated sample 3 (R) retn interpolating_4_16bit_stereo: ; 18/11/2023 ; bx = [previous_val_l] ; ax = [previous_val_r] ; [next_val_l] ; [next_val_r] ; original-interpolated-interpolated-interpolated xchg eax, ebx stosw ; original sample (L) xchg eax, ebx stosw ; original sample (R) add ah, 80h ; convert sound level 0 to 65535 format mov edx, eax ; [previous_val_r] add bh, 80h add byte [next_val_l+1], 80h mov ax, [next_val_l] add ax, bx ; [previous_val_l] rcr ax, 1 xchg eax, ebx add ax, bx ; bx = interpolated middle (L) rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; interpolated sample 1 (L) add byte [next_val_r+1], 80h mov eax, edx ; [previous_val_r] add ax, [next_val_r] rcr ax, 1 xchg eax, edx add ax, dx ; dx = interpolated middle (R) rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; interpolated sample 1 (R) mov eax, ebx sub ah, 80h ; -32768 to +32767 format again stosw ; interpolated sample 2 (L) mov eax, edx sub ah, 80h ; -32768 to +32767 format again stosw ; interpolated sample 2 (R) mov eax, ebx add ax, [next_val_l] rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; interpolated sample 3 (L) mov eax, edx add ax, [next_val_r] rcr ax, 1 sub ah, 80h ; -32768 to +32767 format again stosw ; interpolated sample 3 (R) retn ; 13/11/2023 previous_val: previous_val_l: dw 0 previous_val_r: dw 0 next_val: next_val_l: dw 0 next_val_r: dw 0 ; 16/11/2023 faz: db 0 ; -------------------------------------------------------- ; 14/11/2024 - Erdogan Tan ; -------------------------------------------------------- ; 07/12/2024 ; 01/12/2024 (32bit registers) ; 29/11/2024 checkUpdateEvents: call check4keyboardstop jc short c4ue_ok ; 18/11/2024 push eax ; * or eax, eax jz c4ue_cpt ; 18/11/2024 cmp al, 20h ; SPACE (spacebar) ; pause/play jne short c4ue_chk_s cmp byte [stopped], 0 ja short c4ue_chk_ps ; pause call ac97_pause ; 21/11/2024 mov al, [tLO] mov byte [tLP], al jmp c4ue_cpt c4ue_chk_ps: cmp byte [stopped], 1 ja short c4ue_replay ; continue to play (after a pause) call ac97_play jmp c4ue_cpt c4ue_replay: ; 19/11/2024 pop eax ; * pop eax ; return address ; 07/02/2024 ;mov al, [volume] ;call SetmasterVolume mov byte [stopped], 0 call move_to_beginning ;jmp PlayWav ; 07/12/2024 jmp RePlayWav c4ue_chk_s: cmp al, 'S' ; stop jne short c4ue_chk_fb cmp byte [stopped], 0 ja c4ue_cpt ; Already stopped/paused call ac97_stop ; 19/11/2024 mov byte [tLO], 0 ; 21/11/2024 mov byte [tLP], '0' jmp c4ue_cpt ; 01/12/2024 ; 18/11/2024 c4ue_ok: retn c4ue_chk_fb: ; 17/11/2024 cmp al, 'F' jne short c4ue_chk_b call Player_ProcessKey_Forwards jmp c4ue_cpt c4ue_chk_b: cmp al, 'B' ;;jne short c4ue_cpt ; 19/11/2024 ;jne short c4ue_chk_h ; 25/12/2024 ; 29/11/2024 jne short c4ue_chk_n call Player_ProcessKey_Backwards jmp short c4ue_cpt ;;; ; 25/12/2024 ; 29/11/2024 c4ue_chk_n: cmp al, 'N' je short c4ue_nps c4ue_chk_p: cmp al, 'P' jne short c4ue_chk_h c4ue_nps: mov byte [stopped], 3 jmp short c4ue_cpt ;;; c4ue_chk_h: ; 19/11/2024 cmp al, 'H' jne short c4ue_chk_cr mov byte [wpoints], 0 call write_ac97_pci_dev_info ; 30/12/2024 jmp short c4ue_cpt c4ue_chk_cr: ;;; ; 24/12/2024 (wave lighting points option) ;mov ah, [wpoints] ; 30/12/2024 xor ebx, ebx mov bl, [wpoints] cmp al, 'G' je short c4ue_g ; 19/11/2024 cmp al, 0Dh ; ENTER/CR key jne short c4ue_cpt ; 23/11/2024 ;xor ebx, ebx ; 30/12/2024 ;mov bl, ah ; 24/12/2024 inc bl c4ue_g: ; 30/12/2024 and bl, 07h jnz short c4ue_sc inc ebx c4ue_sc: mov [wpoints], bl ; 30/12/2024 mov al, [ebx+colors-1] ; 1 to 7 ; 24/12/2024 mov [ccolor], al ; 30/12/2024 call clear_window ;;; c4ue_cpt: ; 24/12/2024 ; 18/11/2024 pop ecx ; * ;;; ; 29/12/2024 ; 24/12/2024 (skip wave lighting if data is not loaded yet) ;cmp byte [SRB], 0 ;ja short c4ue_vb_ok ;;; ; 01/12/2024 (TRDOS 386) sys _time, 4 ; get timer ticks (18.2 ticks/second), ; 24/12/2024 ; 18/11/2024 ;pop ecx ; * ; 01/12/2024 cmp eax, [timerticks] ;je short c4ue_ok ; 18/11/2024 je short c4ue_skip_utt c4ue_utt: ; 01/12/2024 mov [timerticks], eax jmp short c4ue_cpt_@ ; 30/12/2024 c4ue_vb_ok: retn c4ue_skip_utt: ; 18/11/2024 and ecx, ecx jz short c4ue_vb_ok c4ue_cpt_@: ; 18/11/2024 cmp byte [stopped], 0 ja short c4ue_vb_ok call CalcProgressTime ;cmp ax, [ProgressTime] ; 01/12/2024 cmp eax, [ProgressTime] ;je short c4ue_vb_ok ; same second, no need to update ; 23/11/2024 je short c4ue_uvb ;call UpdateProgressTime ;call UpdateProgressBar@ call UpdateProgressBar ; 23/11/2024 c4ue_uvb: cmp byte [wpoints], 0 jna short c4ue_vb_ok ; 30/12/2024 ;call UpdateWavePoints ;retn ; -------------------------------------------------------- ; 27/12/2024 - Erdogan Tan ; -------------------------------------------------------- ; 30/12/2024 (cgaplay.s) ; * 320*200 pixels, 256 colors ; * 64 volume levels ; 29/12/2024 ; 27/12/2024 (DMA Buffer Tracking) ; 26/12/2024 ; 24/12/2024 UpdateWavePoints: mov esi, prev_points cmp dword [esi], 0 jz short lights_off_ok ;mov ecx, 640 ; 30/12/2024 mov ecx, 320 light_off: lodsd ; eax = wave point (lighting point) address mov byte [eax], 0 ; black point (light off) loop light_off lights_off_ok: ; 29/12/2024 cmp byte [tLO],'2' jne short lights_on_buff_1 lights_on_buff_2: mov edx, WAVBUFFER_2 jmp short lights_on lights_on_buff_1: mov edx, WAVBUFFER_1 lights_on: cmp [pbuf_s], edx jne short lights_on_2 mov ebx, [wpoints_dif] mov esi, [pbuf_o] mov ecx, [buffersize] ; bytes sub ecx, ebx ; sub ecx, [wpoints_dif] add esi, ebx jc short lights_on_1 cmp esi, ecx jna short lights_on_3 lights_on_1: mov esi, ecx jmp short lights_on_3 lights_on_2: ; 29/12/2024 mov [pbuf_s], edx xor esi, esi ; 0 lights_on_3: mov [pbuf_o], esi ; 29/12/2024 ;add esi, [pbuf_s] add esi, edx ;mov ecx, 640 ; 30/12/2024 mov ecx, 320 mov ebp, ecx ; 26/12/2024 mov edi, prev_points mov ebx, [graphstart] ; start (top) line lights_on_4: xor eax, eax ; 0 lodsw ; left add ah, 80h mov edx, eax lodsw ; right ;add ax, dx add ah, 80h ;;shr eax, 9 ; 128 volume levels ; 01/01/2025 add eax, edx ;;shr eax, 10 ; (L+R/2) & 128 volume levels ;shr eax, 9 ; (L+R/2) & 256 volume levels ; 30/12/2024 shr eax, 11 ; (L+R/2) & 64 volume levels ; * 320 row ; 30/12/2024 mul ebp ; * 640 (row) add eax, ebx ; + column mov dl, [ccolor] mov [eax], dl ; pixel (light on) color stosd ; save light on addr in prev_points inc ebx loop lights_on_4 retn ; -------------------------------------------------------- ; 19/05/2024 - (playwav4.asm) ich_wav4.asm ; -------------------------------------------------------- ; 29/12/2024 ; 25/12/2024 ; 07/12/2024 ; 01/12/2024 (TRDOS 386) ; 29/11/2024 check4keyboardstop: ; 19/05/2024 ; 08/11/2023 ; 04/11/2023 mov ah, 1 ;int 16h ; 01/12/2024 (TRDOS 386 keyboard interrupt) int 32h ;clc jz short _cksr xor ah, ah ;int 16h ; 01/12/2024 (TRDOS 386 keyboard interrupt) int 32h ; 25/12/2024 ; 29/11/2024 ;mov [command], al ;;; ; 19/05/2024 (change PCM out volume) cmp al, '+' jne short p_1 mov al, [volume] cmp al, 0 jna short p_3 dec al jmp short p_2 p_1: cmp al, '-' jne short p_4 mov al, [volume] cmp al, 31 jnb short p_3 inc al p_2: mov [volume], al ; 29/12/2024 ; 14/11/2024 call SetPCMOutVolume ; 15/11/2024 (QEMU) ; 07/12/2024 ;call SetMasterVolume ;call UpdateVolume ;;clc ;retn jmp UpdateVolume ;mov ah, al ;mov dx, [NAMBAR] ;;add dx, CODEC_MASTER_VOL_REG ;add dx, CODEC_PCM_OUT_REG ;out dx, ax ; ;call delay1_4ms ;call delay1_4ms ;call delay1_4ms ;call delay1_4ms _cksr: ; 19/05/2024 ; 18/12/2024 xor eax, eax ;clc p_3: retn p_4: ; 17/11/2024 cmp ah, 01h ; ESC je short p_q ;cmp ax, 2E03h ; 21/12/2024 cmp al, 03h ; CTRL+C je short p_q ; 18/11/2024 cmp al, 20h je short p_r ; 19/11/2024 cmp al, 0Dh ; CR/ENTER je short p_r and al, 0DFh ; 25/12/2024 ; 29/11/2024 mov [command], al ;cmp al, 'B' ;je short p_r ;cmp al, 'F' ;je short p_r ; 29/11/2024 ;cmp al, 'N' ;je short p_r ;cmp al, 'P' ;je short p_r cmp al, 'Q' ;je short p_q je short p_quit ; 29/11/2024 clc retn ;;; ;_cskr: p_q: ; 27/12/2024 mov byte [command], 'Q' p_quit: stc p_r: retn ; 29/05/2024 ; 19/05/2024 volume: ;db 02h ; 26/12/2024 db 03h ; -------------------------------------------------------- ; 30/12/2024 ; simulate cursor position in VGA mode 13h ; ! for 320*200, 256 colors (1 byte/pixel) ! setCursorPosition: ; dh = Row ; dl = Column xor eax, eax ; row height is 8 pixels (8*8) mov al, dh shl eax, 3 add ax, 2 ; top margin shl eax, 16 mov al, dl ; * 8 ; character width = 8 pixels shl ax, 3 ; hw = row, ax = column mov [screenpos], eax ; 22/12/2024 xor eax, eax retn ; -------------------------------------------------------- ; 14/11/2024 ; (Ref: player.asm, out_cs.asm, Matan Alfasi, 2017) ;; NAME: SetTotalTime ;; DESCRIPTION: Calculates the total time in seconds in file ;; INPUT: DATA_SubchunkSize, WAVE_SampleRate, WAVE_BlockAlign ;; OUTPUT: CurrentTotalTime=Total time in seconds in file, ;; Output on the screen of the total time in seconds ; 01/12/2024 (32 bit registers) SetTotalTime: ;; Calculate total seconds in file ;mov ax, [DATA_SubchunkSize] ;mov dx, [DATA_SubchunkSize + 2] ;mov bx, [WAVE_SampleRate] ;div bx ;xor dx, dx ; 01/12/2024 mov eax, [DATA_SubchunkSize] movzx ebx, word [WAVE_SampleRate] xor edx, edx div ebx ;mov bx, [WAVE_BlockAlign] ;div bx ; 01/12/2024 mov bx, [WAVE_BlockAlign] xor edx, edx div ebx ;mov [TotalTime], ax mov [TotalTime], eax mov bl, 60 div bl ;; al = minutes, ah = seconds push eax ; ** push eax ; * ;mov dh, 24 ; 21/12/2024 (640*480) ;mov dh, 32 ;mov dl, 42 ; 30/12/2024 (320*200) mov dh, 23 mov dl, 22 call setCursorPosition pop eax ; * xor ah, ah mov ebp, 2 call PrintNumber ;mov dh, 24 ; 21/12/2024 (640*480) ;mov dh, 32 ;mov dl, 45 ; 30/12/2024 (320*200) mov dh, 23 mov dl, 25 call setCursorPosition pop eax ; ** mov al, ah xor ah, ah ; 21/12/2024 mov bp, 2 ;jmp short PrintNumber ; -------------------------------------------------------- ; 21/12/2024 (write numbers in VESA VBE graphics mode) ; 01/12/2024 (32bit registers) PrintNumber: ; eax = binary number ; ebp = digits mov esi, [screenpos] ; hw = row, si = column mov ebx, 10 xor ecx, ecx printNumber_CutNumber: inc ecx xor edx, edx div ebx push edx cmp ecx, ebp je short printNumber_printloop jmp printNumber_CutNumber printNumber_printloop: pop eax ; 21/12/2024 ; ebp = count of digits ; eax <= 9 add al, '0' ; esi = pixel position (hw = row, si = column) ; eax = al = character ;call write_character ; 22/12/2024 call write_character_white dec ebp jz short printNumber_ok add esi, 8 ; next column jmp short printNumber_printloop printNumber_ok: retn ; -------------------------------------------------------- ; 14/11/2024 - Erdogan Tan SetProgressTime: ;; Calculate playing/progress seconds in file call CalcProgressTime ; 01/12/2024 (32bit registers) UpdateProgressTime: ; eax = (new) progress time mov [ProgressTime], eax mov bl, 60 div bl ;; al = minutes, ah = seconds push eax ; ** push eax ; * ;mov dh, 24 ; 21/12/2024 (640*480) ;mov dh, 32 ;mov dl, 33 ; 30/12/2024 (320*200) mov dh, 23 mov dl, 13 call setCursorPosition pop eax ; * xor ah, ah mov ebp, 2 call PrintNumber ;mov dh, 24 ; 21/12/2024 (640*480) ;mov dh, 32 ;mov dl, 36 ; 30/12/2024 (320*200) mov dh, 23 mov dl, 16 call setCursorPosition pop eax ; ** mov al, ah xor ah, ah ; 21/12/2024 mov bp, 2 jmp short PrintNumber ; -------------------------------------------------------- ; 01/12/2024 (32bit registers) ; 17/11/2024 ; 14/11/2024 CalcProgressTime: ;mov ax, [LoadedDataBytes] ;mov dx, [LoadedDataBytes+2] ;mov bx, ax ;or bx, dx ;jz short cpt_ok ; 01/12/2024 mov eax, [LoadedDataBytes] or eax, eax jz short cpt_ok ;mov bx, [WAVE_SampleRate] ;div bx ;xor dx, dx ;mov bx, [WAVE_BlockAlign] ;div bx ; 01/12/2024 movzx ebx, word [WAVE_SampleRate] xor edx, edx div ebx xor edx, edx mov bx, [WAVE_BlockAlign] div ebx cpt_ok: ; eax = (new) progress time retn ; -------------------------------------------------------- ; 14/11/2024 ; (Ref: player.asm, out_cs.asm, Matan Alfasi, 2017) ;; DESCRIPTION: Update file information on template ;; PARAMS: WAVE parameters and other variables ;; REGS: AX(RW) ;; VARS: CurrentFileName, WAVE_SampleRate, ;; RETURNS: On-screen file info is updated. ; 01/12/2024 (32bit registers) UpdateFileInfo: ;; Print File Name ;mov dh, 9 ; 21/12/2024 (640*480 graphics display) ;mov dh, 8 ;mov dl, 23 ; 30/12/2024 (320*200, video mode 13h) mov dh, 7 mov dl, 8 call setCursorPosition mov esi, wav_file_name ;;; ; 14/11/2024 ; skip directory separators ; (note: asciiz string, max. 79 bytes except zero tail) mov ebx, esi chk4_nxt_sep: lodsb cmp al, '/' ; 14/12/2024 je short chg_fpos and al, al jz short chg_fpos_ok jmp short chk4_nxt_sep chg_fpos: mov ebx, esi jmp short chk4_nxt_sep chg_fpos_ok: mov esi, ebx ; file name (without its path/directory) ;;; _fnl_chk: ; 30/12/2024 (cgaplay.s) ; ????????.wav ; 26/12/2024 (file name length limit -display-) mov ebx, 12 ;mov ebx, 17 ; ????????.wav????? push esi _fnl_chk_loop: lodsb and al, al jz short _fnl_ok dec ebx jnz short _fnl_chk_loop mov byte [esi], 0 _fnl_ok: pop esi ;;; call PrintString ;; Print Frequency ;mov dh, 10 ; 21/12/2024 (640*480 graphics display) ;mov dh, 9 ;mov dl, 23 ; 30/12/2024 (320*200, video mode 13h) mov dh, 8 mov dl, 8 call setCursorPosition ;movzx eax, word [WAVE_SampleRate] ; 22/12/2024 ; eax = 0 mov ax, [WAVE_SampleRate] mov ebp, 5 call PrintNumber ;; Print BitRate ;mov dh, 9 ; 21/12/2024 (640*480 graphics display) ;mov dh, 8 ;mov dl, 57 ; 30/12/2024 (320*200, video mode 13h) mov dh, 7 mov dl, 31 call setCursorPosition mov ax, [WAVE_BitsPerSample] mov bp, 2 call PrintNumber ;; Print Channel Number ;mov dh, 10 ; 21/12/2024 (640*480 graphics display) ;mov dh, 9 ;mov dl, 57 ; 30/12/2024 (320*200, video mode 13h) mov dh, 8 mov dl, 31 call setCursorPosition mov ax, [WAVE_NumChannels] mov bp, 1 call PrintNumber ;call UpdateVolume ;retn ; -------------------------------------------------------- ; 14/11/2024 UpdateVolume: ;; Print Volume ;mov dh, 24 ; 21/12/2024 (640*480) ;mov dh, 32 ;mov dl, 75 ; 30/12/2024 (320*200, video mode 13h) mov dh, 23 mov dl, 35 call setCursorPosition ; 22/12/2024 ; eax = 0 mov al, [volume] mov bl, 100 mul bl mov bl, 31 div bl ;neg ax ;add ax, 100 ; 01/12/2024 mov ah, 100 sub ah, al movzx eax, ah ;xor ah, ah ;mov bp, 3 mov ebp, 3 ;call PrintNumber ;retn jmp PrintNumber ; -------------------------------------------------------- ; 21/12/2024 ; write text in VESA VBE graphics mode PrintString: ; esi = string address printstr_loop: xor eax, eax lodsb or al, al jz short printstr_ok push esi mov esi, [screenpos] ; esi = pixel position (hw = row, si = column) ; eax = al = character ;call write_character ; 22/12/2024 call write_character_white add word [screenpos], 8 ; update column (only, not row) pop esi jmp short printstr_loop printstr_ok: retn ; -------------------------------------------------------- ; 30/12/2024 ; write character (at cursor position) ; in video mode 13h (320*200, 256 colors) ; 21/12/2024 ; write character (at cursor position) ; in graphics mode (640*480, 256 colors) ; 22/12/2024 write_character_white: mov ecx, 0Fh ; 26/12/2024 ;movzx ecx, byte [tcolor] write_character: ; esi = pixel position (hw = row, si = column) ; eax = al = character ; cl = color mov [wcolor], ecx ; 22/12/2024 ; 30/12/2024 ; 22/12/2024 push eax ; clear previous character pixels mov edi, fillblock ;;sys _video, 020Fh, 0, 8001h ; 30/12/2024 sys _video, 010Fh, 0, 8000h ; 8*8 userfont pop eax ; 30/12/2024 ;shl eax, 4 ; 8*16 pixel user font ;mov edi, fontbuff2 ; start of user font data ;add edi, eax ; 21/12/2024 ; NOTE: ; TRDOS 386 does not use 8*14 pixel fonts in sysvideo ; system calls -in graphics mode- ; because 8*16 pixel operations are faster ; than 8*14 pixel operations. ; ((so, 8*14 fonts can be converted to 8*16 fonts by ; adding 2 empty lines)) ; (8*14 characters can be written via pixel operations) ; 21/12/2024 (TRDOS 386 v2.0.9, trdosk6.s, 27/09/2024) ;;;;;;;;;;;;;;;;; ; sysvideo system call ;sysvideo: ; function in BH ; 02h: Super VGA, LINEAR FRAME BUFFER data transfers ; sub function in BL ; 0Fh: WRITE CHARACTER (FONT) ; CL = char's color (8 bit, 256 colors) ; If DH bit 7 = 1 ; USER FONT (from user buffer) ; DL = 1 -> 8x16 pixel font ; EDI = user's font buffer address ; (NOTE: byte order is as row0,row1,row2..) ; ESI = start position (row, column) ; (HW = row, SI = column) ;;;;;;;;;;;;;;;;; ;sys _video, 020Fh, [wcolor], 8001h ; 30/12/2024 ; sysvideo system call ; BH = 01h = VGA graphics (0A0000h) data transfers ; BL = 0Fh = write character/font ; DH = 01h = 8*8 system font ; CL = [wcolor] = color ; ESI = cursor/writing position (pixels) ; HW = row, SI = column ; DL = character (ASCII code) mov ah, 01h ; 8*8 pixels sys _video, 010Fh, [wcolor], eax retn ; -------------------------------------------------------- ; 30/12/2024 ; write characters in video mode 13h ; (320*200 pixels, 256 colors) ; 22/12/2024 ; 21/12/2024 ; (write chars in VESA VBE graphics mode) ; 14/11/2024 ; (Ref: player.asm, Matan Alfasi, 2017) ; (Modification: Erdogan Tan, 14/11/2024) ;PROGRESSBAR_ROW equ 23 ; 21/12/2024 (640*480) ;PROGRESSBAR_ROW equ 31 ; 30/12/2024 (320*200) PROGRESSBAR_ROW equ 22 UpdateProgressBar: call SetProgressTime ; 14/11/2024 ; 01/12/2024 (32bit registers) mov eax, [ProgressTime] UpdateProgressBar@: ;mov edx, 80 ; 30/12/2024 mov edx, 40 ; 320*200 pixels, 40 columns mul edx mov ebx, [TotalTime] div ebx ; 22/12/2024 ; check progress bar indicator position if it is same cmp al, [pbprev] je short UpdateProgressBar_ok mov [pbprev], al UpdateProgressBar@@: ;; Push for the 'Clean' part push eax ; ** push eax ; * ;; Set cursor position mov dh, PROGRESSBAR_ROW mov dl, 0 call setCursorPosition pop eax ; * or eax, eax jz short UpdateProgressBar_Clean UpdateProgressBar_DrawProgress: ; 22/12/2024 ; 21/12/2024 ; (write progress bar chars in graphics mode) ;;;; mov ebp, eax push eax ; *** mov esi, [screenpos] UpdateProgressBar_DrawProgress_@: mov eax, 223 ; esi = pixel position (hw = row, si = column) ; eax = al = character ;call write_character ; 22/12/2024 call write_character_white dec ebp jz short UpdateProgressBar_DrawCursor add esi, 8 ; next column jmp short UpdateProgressBar_DrawProgress_@ ;;; UpdateProgressBar_ok: retn UpdateProgressBar_DrawCursor: ; 22/12/2024 pop edx ; *** mov dh, PROGRESSBAR_ROW call setCursorPosition ; 21/12/2024 ; (write progress bar character in graphics mode) ;;;; ;;;mov eax, 223 ;;;shl eax, 4 ; 8*16 pixel user font ;;mov eax, 223*16 ;;mov edi, fontbuff2 ; start of user font data ;;add edi, eax ;mov edi, fontbuff2+(223*16) ; ;sys _video, 020Fh, 0Ch, 8001h ; 22/12/2024 ;mov eax, 223 ; eax = 0 mov al, 223 mov cl, 0Ch ; red call write_character ;;;; UpdateProgressBar_Clean: ;pop eax ; ** ; 22/12/2024 pop edx ; ** ; 30/12/2024 ; 21/12/2024 ;mov ebp, 80 ; 30/12/2024 mov ebp, 40 ; 40 columns (320*200 pixels) ;sub bp, ax sub bp, dx ; 22/12/2024 jz short UpdateProgressBar_ok mov dh, PROGRESSBAR_ROW ;mov dl, al ; 22/12/2024 call setCursorPosition ; 21/12/2024 ; (write progress bar chars in graphics mode) ;;;; mov esi, [screenpos] UpdateProgressBar_Clean_@: ;;;mov eax, 223 ;;;shl eax, 4 ; 8*16 pixel user font ;;mov eax, 223*16 ;mov edi, fontbuff2 ; start of user font data ;add edi, eax ;mov edi, fontbuff2+(223*16) ; ;sys _video, 020Fh, 08h, 8001h ; 22/12/2024 ;mov eax, 223 ; eax = 0 mov al, 223 mov cl, 08h ; gray (dark) call write_character ;;;; dec ebp jz short UpdateProgressBar_ok add esi, 8 ; next column jmp short UpdateProgressBar_Clean_@ ;;;; ; -------------------------------------------------------- ; 17/11/2024 Player_ProcessKey_Backwards: ;; In order to go backwards 5 seconds: ;; Update file pointer to the beginning, skip headers mov cl, 'B' jmp short Player_ProcessKey_B_or_F Player_ProcessKey_Forwards: ;; In order to fast-forward 5 seconds, set the file pointer ;; to CUR_SEEK + 5 * Freq mov cl, 'F' ;jmp short Player_ProcessKey_B_or_F ; 01/12/2024 (32bit regsisters) Player_ProcessKey_B_or_F: ; 17/11/2024 ; 04/11/2024 ; (Ref: player.asm, Matan Alfasi, 2017) ; 04/11/2024 mov eax, 5 movzx ebx, word [WAVE_BlockAlign] mul ebx mov bx, [WAVE_SampleRate] mul ebx ; eax = transfer byte count for 5 seconds ; 17/11/2024 cmp cl, 'B' ;mov bx, [LoadedDataBytes] ;mov cx, [LoadedDataBytes+2] ; 01/12/2024 mov ecx, [LoadedDataBytes] jne short move_forward ; cl = 'F' move_backward: ;sub bx, ax ;sbb cx, dx sub ecx, eax jnc short move_file_pointer move_to_beginning: ;xor cx, cx ; 0 ;xor bx, bx ; 0 xor ecx, ecx jmp short move_file_pointer move_forward: ;add bx, ax ;adc cx, dx add ecx, eax jc short move_to_end ;cmp cx, [DATA_SubchunkSize+2] ;ja short move_to_end ;jb short move_file_pointer ;cmp bx, [DATA_SubchunkSize] ;jna short move_file_pointer cmp ecx, [DATA_SubchunkSize] jna short move_file_pointer move_to_end: ;mov bx, [DATA_SubchunkSize] ;mov cx, [DATA_SubchunkSize+2] mov ecx, [DATA_SubchunkSize] move_file_pointer: ;mov dx, bx ;mov [LoadedDataBytes], dx ;mov [LoadedDataBytes+2], cx mov [LoadedDataBytes], ecx ;add dx, 44 ; + header ;adc cx, 0 add ecx, 44 ; seek ;mov bx, [filehandle] ;mov ax, 4200h ;int 21h ; 01/12/2024 xor edx, edx ; offset from beginning of the file ; ecx = offset ; ebx = file handle ; edx = 0 sys _seek, [filehandle] retn ; -------------------------------------------------------- ; 30/12/2024 (video mode 13h) ; (320*200, 256 colors) ; 25/12/2024 ; 22/12/2024 (VESA VBE mode graphics) ; (640*480, 256 colors) clear_window: ;mov edi, [LFB_ADDR] ; 30/12/2024 ;mov edi, 0A0000h ;;add edi, (13*80*8*14) ; 25/12/2024 ;;add edi, 164*640 ;add edi, 12*8*320 ; 30/12/2024 ;mov edi, [graphstart] ; 12*8*320 mov edi, 0A0000h+(11*8*320)+(2*320) ; * ; AC97 info start sub eax, eax ;;mov ecx, (16*640*14)/4 ; 16 rows ;mov ecx, 64*640 ; 256 volume level points ; 30/12/2024 ;mov ecx, (8*8*320)/4 ; 8 rows mov ecx, (10*8*320)/4 ; * rep stosd ; 24/12/2024 mov [prev_points], eax ; 0 ; retn ; ------------------------------------------------------------- ; ac97.inc (11/11/2023) ; ------------------------------------------------------------- ; special characters LF EQU 10 CR EQU 13 ; PCI stuff BIT0 EQU 1 BIT1 EQU 2 BIT2 EQU 4 BIT8 EQU 100h BIT9 EQU 200h BIT28 EQU 10000000h BIT30 EQU 40000000h BIT31 EQU 80000000h BUP equ BIT30 ; Buffer Underrun Policy. ; if this buffer is the last buffer ; in a playback, fill the remaining ; samples with 0 (silence) or not. ; It's a good idea to set this to 1 ; for the last buffer in playback, ; otherwise you're likely to get a lot ; of noise at the end of the sound. RR equ BIT1 ; reset registers. Nukes all regs ; except bits 4:2 of this register. ; Only set this bit if BIT 0 is 0 RPBM equ BIT0 ; Run/Pause ; set this bit to start the codec! IO_ENA EQU BIT0 ; i/o decode enable BM_ENA EQU BIT2 ; bus master enable PCI_INDEX_PORT EQU 0CF8h PCI_DATA_PORT EQU 0CFCh PCI32 EQU BIT31 ; bitflag to signal 32bit access PCI16 EQU BIT30 ; bitflag for 16bit access AC97_INT_LINE equ 3Ch ; AC97 Interrupt Line register offset ; Intel ICH2 equates. It is assumed that ICH0 and plain ole ICH are compatible. INTEL_VID equ 8086h ; Intel's PCI vendor ID ; 03/11/2023 - Erdogan Tan (Ref: MenuetOS AC97 WAV Player source code, 2004) SIS_VID equ 1039h NVIDIA_VID equ 10DEh ; Ref: MPXPLAY/SBEMU/KOLIBRIOS AC97 source c. AMD_VID equ 1022h ICH_DID equ 2415h ; ICH device ID ICH0_DID equ 2425h ; ICH0 ICH2_DID equ 2445h ; ICH2 I think there are more ICHes. ; they all should be compatible. ; 17/02/2017 (Erdogan Tan, ref: ALSA Device IDs, ALSA project) ICH3_DID equ 2485h ; ICH3 ICH4_DID equ 24C5h ; ICH4 ICH5_DID equ 24D5h ; ICH5 ICH6_DID equ 266Eh ; ICH6 ESB6300_DID equ 25A6h ; 6300ESB ESB631X_DID equ 2698h ; 631XESB ICH7_DID equ 27DEh ; ICH7 ; 03/11/2023 - Erdogan Tan (Ref: MenuetOS AC97 WAV Player source code, 2004) MX82440_DID equ 7195h SI7012_DID equ 7012h NFORCE_DID equ 01B1h NFORCE2_DID equ 006Ah AMD8111_DID equ 746Dh AMD768_DID equ 7445h ; 03/11/2023 - Erdogan Tan - Ref: MPXPLAY/SBEMU/KOLIBRIOS AC97 source code CK804_DID equ 0059h MCP04_DID equ 003Ah CK8_DID equ 008Ah NFORCE3_DID equ 00DAh CK8S_DID equ 00EAh NAMBAR_REG equ 10h ; native audio mixer BAR NABMBAR_REG equ 14h ; native audio bus mastering BAR CODEC_MASTER_VOL_REG equ 02h ; master volume CODEC_MASTER_TONE_REG equ 08h ; master tone (R+L) CODEC_PCM_OUT_REG equ 18h ; PCM output volume CODEC_EXT_AUDIO_REG equ 28h ; extended audio CODEC_EXT_AUDIO_CTRL_REG equ 2Ah ; extended audio control CODEC_PCM_FRONT_DACRATE_REG equ 2Ch ; PCM out sample rate ; ICH supports 3 different types of register sets for three types of things ; it can do, thus: ; ; PCM in (for recording) aka PI ; PCM out (for playback) aka PO ; MIC in (for recording) aka MC PI_BDBAR_REG equ 0 ; PCM in buffer descriptor BAR PO_BDBAR_REG equ 10h ; PCM out buffer descriptor BAR GLOB_CNT_REG equ 2Ch ; Global control register GLOB_STS_REG equ 30h ; Global Status register (RO) PI_CR_REG equ 0Bh ; PCM in Control Register PO_CR_REG equ 1Bh ; PCM out Control Register MC_CR_REG equ 2Bh ; MIC in Control Register PCI_CMD_REG EQU 04h ; reg 04h, command register CTRL_ST_CREADY equ BIT8+BIT9+BIT28 ; Primary Codec Ready CODEC_REG_POWERDOWN equ 26h PO_CIV_REG equ 14h ; PCM out current Index value (RO) PO_LVI_REG equ 15h ; PCM out Last Valid Index PO_SR_REG equ 16h ; PCM out Status register ; ------------------------------------------------------------- ; 22/12/2024 align 4 ; 13/11/2024 ; ('<<' to 'shl' conversion for FASM) ; ; 29/05/2024 (TRDOS 386) ; 17/02/2017 ; Valid ICH device IDs valid_ids: ;dd (ICH_DID shl 16) + INTEL_VID ; 8086h:2415h dd (ICH_DID << 16) + INTEL_VID ; 8086h:2415h dd (ICH0_DID << 16) + INTEL_VID ; 8086h:2425h dd (ICH2_DID << 16) + INTEL_VID ; 8086h:2445h dd (ICH3_DID << 16) + INTEL_VID ; 8086h:2485h dd (ICH4_DID << 16) + INTEL_VID ; 8086h:24C5h dd (ICH5_DID << 16) + INTEL_VID ; 8086h:24D5h dd (ICH6_DID << 16) + INTEL_VID ; 8086h:266Eh dd (ESB6300_DID << 16) + INTEL_VID ; 8086h:25A6h dd (ESB631X_DID << 16) + INTEL_VID ; 8086h:2698h dd (ICH7_DID << 16) + INTEL_VID ; 8086h:27DEh ; 03/11/2023 - Erdogan Tan dd (MX82440_DID << 16) + INTEL_VID ; 8086h:7195h dd (SI7012_DID << 16) + SIS_VID ; 1039h:7012h dd (NFORCE_DID << 16) + NVIDIA_VID ; 10DEh:01B1h dd (NFORCE2_DID << 16) + NVIDIA_VID ; 10DEh:006Ah dd (AMD8111_DID << 16) + AMD_VID ; 1022h:746Dh dd (AMD768_DID << 16) + AMD_VID ; 1022h:7445h dd (CK804_DID << 16) + NVIDIA_VID ; 10DEh:0059h dd (MCP04_DID << 16) + NVIDIA_VID ; 10DEh:003Ah dd (CK8_DID << 16) + NVIDIA_VID ; 1022h:008Ah dd (NFORCE3_DID << 16) + NVIDIA_VID ; 10DEh:00DAh dd (CK8S_DID << 16) + NVIDIA_VID ; 10DEh:00EAh valid_id_count equ (($ - valid_ids)>>2) ; 05/11/2023 ; 13/11/2024 ;valid_id_count = ($ - valid_ids) shr 2 ; 05/11/2023 dd 0 Credits: db 'VGA WAV Player for TRDOS 386 by Erdogan Tan. ' ;db 'January 2025.',10,13,0 db 'February 2025.', 10,13,0 ;;db '01/01/2025', 10,13 ;db '18/01/2025', 10,13 db '05/02/2025', 10,13 ; 15/11/2024 reset: db 0 msgAudioCardInfo: db 'for Intel AC97 (ICH) Audio Controller.', 10,13,0 ; 30/12/2024 msg_usage: db 'usage: CGAPLAY <...>',10,13,0 noDevMsg: db 'Error: Unable to find AC97 audio device!' db 10,13,0 noFileErrMsg: db 'Error: file not found.',10,13,0 ; 07/12/2024 trdos386_err_msg: db 'TRDOS 386 System call error !',10,13,0 ; 29/05/2024 ; 11/11/2023 msg_init_err: db CR, LF db 'AC97 Controller/Codec initialization error !' db CR, LF, 0 ; 07/12/2024 ; 25/11/2023 msg_no_vra: db 10,13 db 'No VRA support ! Only 48 kHZ sample rate supported !' db 10,13,0 ; 19/11/2024 ; 03/06/2017 hex_chars: db '0123456789ABCDEF', 0 msgAC97Info: db 0Dh, 0Ah db ' AC97 Audio Controller & Codec Info', 0Dh, 0Ah db ' Vendor ID: ' msgVendorId: db '0000h Device ID: ' msgDevId: db '0000h', 0Dh, 0Ah db ' Bus: ' msgBusNo: db '00h Device: ' msgDevNo: db '00h Function: ' msgFncNo: db '00h' db 0Dh, 0Ah db ' NAMBAR: ' msgNamBar: db '0000h ' db 'NABMBAR: ' msgNabmBar: db '0000h IRQ: ' msgIRQ: dw 3030h db 0Dh, 0Ah, 0 ; 25/11/2023 msgVRAheader: db ' VRA support: ' db 0 msgVRAyes: db 'YES', 0Dh, 0Ah, 0 msgVRAno: db 'NO ', 0Dh, 0Ah ;db ' (Interpolated sample rate playing method)' ; 30/12/2024 db ' (Interpolated samplerate play method)' db 0Dh, 0Ah, 0 align 4 ; ------------------------------------------------------------- ; 30/12/2024 PlayingScreen: db 14 dup(219), " DOS Player ", 14 dup(219) db 201, 38 dup(205), 187 db 186, " Play/Pause /

Next/Prev ", 186 db 186, " Stop Color ", 186 db 186, " Forwards <+>/<-> Volume ", 186 db 186, " Backwards Quit Prg ", 186 db 204, 38 dup(205), 185 db 186, " File: Bits: 0 ", 186 db 186, " Freq: 0 Hz Channels: 0 ", 186 db 200, 38 dup(205), 188 db 40 dup(32) improper_samplerate_txt: read_error_txt: db 40 dup(32) db 40 dup(32) db 40 dup(32) db 40 dup(32) db 40 dup(32) db 40 dup(32) db 40 dup(32) db 40 dup(32) db 40 dup(32) db 40 dup(32) db 40 dup(205) db 40 dup(32) db 13 dup(32), "00:00 ", 174, 175, " 00:00", 4 dup(32), "VOL 000%" ;db 40 dup(32) ; not necessary db 0 ; ------------------------------------------------------------- ; 30/12/2024 fillblock: times 8 db 0FFh dw 0 ; ------------------------------------------------------------- ; 30/12/2024 ; 23/11/2024 colors: db 0Fh, 0Bh, 0Ah, 0Ch, 0Eh, 09h, 0Dh ; white, cyan, green, red, yellow, blue, magenta ccolor: db 0Bh ; cyan EOF: ; ------------------------------------------------------------- bss: ABSOLUTE bss alignb 4 ; 24/12/2024 wpoints_dif: ; wave lighting points factor (differential) resd 1 ; required bytes for 1/18 second wave lighting graphstart: resd 1 ; start (top) line/row for wave lighting points ; 30/12/2024 ;LFB_ADDR: ; resd 1 ;nextrow: ;resd 1 screenpos: ; hw = (cursor) row, lw = (cursor) column resd 1 wcolor: resd 1 ; 26/12/2024 ;tcolor: resb 1 ; text color columns: resb 1 pbprev: resb 1 ; previous progress bar indicator position alignb 4 bss_start: ; 29/12/2024 audio_buffer: resd 1 ; 30/12/2024 prev_points: resd 320 ; previous wave points (which are lighting) ; 18/11/2024 stopped: resb 1 tLO: resb 1 ; 21/11/2024 tLP: resb 1 ; 30/12/2024 wpoints: resb 1 pbuf_o: resd 1 ; 29/12/2024 pbuf_s: resd 1 ; 07/12/2024 ; 24/11/2024 half_buffer: resb 1 ; dma half buffer 1 or 2 (0 or 1) ; 30/05/2024 VRA: resb 1 ; Variable Rate Audio Support Status ; 25/12/2024 ; 29/11/2024 command: resb 1 filecount: resb 1 ; 30/11/2024 alignb 4 ;;;;;;;;;;;;;; ; 14/11/2024 ; (Ref: player.asm, Matan Alfasi, 2017) WAVFILEHEADERbuff: RIFF_ChunkID: resd 1 ; Must be equal to "RIFF" - big-endian ; 0x52494646 RIFF_ChunkSize: resd 1 ; Represents total file size, not ; including the first 2 fields ; (Total_File_Size - 8), little-endian RIFF_Format: resd 1 ; Must be equal to "WAVE" - big-endian ; 0x57415645 ;; WAVE header parameters ("Sub-chunk") WAVE_SubchunkID: resd 1 ; Must be equal to "fmt " - big-endian ; 0x666d7420 WAVE_SubchunkSize: resd 1 ; Represents total chunk size WAVE_AudioFormat: resw 1 ; PCM (Raw) - is 1, other - is a form ; of compression, not supported. WAVE_NumChannels: resw 1 ; Number of channels, Mono-1, Stereo-2 WAVE_SampleRate: resd 1 ; Frequency rate, in Hz (8000, 44100 ...) WAVE_ByteRate: resd 1 ; SampleRate * NumChannels * BytesPerSample WAVE_BlockAlign: resw 1 ; NumChannels * BytesPerSample ; Number of bytes for one sample. WAVE_BitsPerSample: resw 1 ; 8 = 8 bits, 16 = 16 bits, etc. ;; DATA header parameters DATA_SubchunkID: resd 1 ; Must be equal to "data" - big-endian ; 0x64617461 DATA_SubchunkSize: resd 1 ; NumSamples * NumChannels * BytesPerSample ; Number of bytes in the data. ;;;;;;;;;;;;;; ; 28/12/2024 ; 15/11/2024 ;cursortype: resw 1 flags: resb 1 ; 06/11/2023 ac97_int_ln_reg: resb 1 filehandle: resd 1 ; 25/12/2024 ; 30/11/2024 ;argc: resb 1 ; argument count argv: resd 1 ; current argument (wav file) ptr argvf: resd 1 ; 1st argument (wav file) ptr argvl: resd 1 ; last argument (wav file) ptr ; 30/05/2024 wav_file_name: resb 80 ; wave file, path name (<= 80 bytes) resw 1 ; 30/11/2024 ; 08/11/2023 ; 07/11/2023 fbs_shift: resb 1 ; 07/12/2024 SRB: resb 1 ; 12/11/2016 - Erdogan Tan bus_dev_fn: resd 1 dev_vendor: resd 1 ; 17/02/2017 ; NAMBAR: Native Audio Mixer Base Address Register ; (ICH, Audio D31:F5, PCI Config Space) Address offset: 10h-13h ; NABMBAR: Native Audio Bus Mastering Base Address register ; (ICH, Audio D31:F5, PCI Config Space) Address offset: 14h-17h NAMBAR: resw 1 ; BAR for mixer NABMBAR: resw 1 ; BAR for bus master regs ; 15/11/2024 loadfromwavfile: resd 1 ; 'loadfromfile' or load+conversion proc address loadsize: resd 1 ; (.wav file) read count (bytes) per one time buffersize: resd 1 ; 16 bit samples (not bytes) ; 14/11/2024 TotalTime: resd 1 ; Total (WAV File) Playing Time in seconds ProgressTime: resd 1 count: resd 1 ; byte count of one (wav file) read LoadedDataBytes: resd 1 ; total read/load count timerticks: resd 1 ; (to eliminate excessive lookup of events in tuneloop) ; (in order to get the emulator/qemu to run correctly) ; 01/12/2024 _bdl_buffer: resd 1 ; 14/11/2024 bss_end: ; 29/12/2024 alignb 4096 ; 01/12/2024 BDL_BUFFER: resb 256 ; 02/12/2024 resb 4096-256 ;alignb 4096 ; 29/05/2024 WAVBUFFER_1: resb 65536 WAVBUFFER_2: resb 65536 ; 01/12/2024 ; 26/11/2023 temp_buffer: resb 65536 ; resb BUFFERSIZE