PAGE 118,121 TITLE ORGS ----- 06/10/85 COMPATIBILITY MODULE .LIST CODE SEGMENT BYTE PUBLIC PUBLIC A1 PUBLIC CONF_TBL PUBLIC CRT_CHAR_GEN PUBLIC D1 PUBLIC D1 PUBLIC D2A PUBLIC DISK_BASE PUBLIC DUMMY_RETURN PUBLIC E101 PUBLIC E102 PUBLIC E103 PUBLIC E104 PUBLIC E105 PUBLIC E106 PUBLIC E107 PUBLIC E108 PUBLIC E109 PUBLIC E161 PUBLIC E162 PUBLIC E163 PUBLIC E164 PUBLIC E201 PUBLIC E202 PUBLIC EZ03 PUBLIC E301 PUBLIC E302 PUBLIC E303 PUBLIC E304 PUBLIC E401 PUBLIC E501 PUBLIC E601 PUBLIC E602 PUBLIC F1780 PUBLIC F1781 PUBLIC F1782 PUBLIC F1790 PUBLIC F1791 PUBLIC F3A PUBLIC F3D PUBLIC F3D1 PUBLIC RD_TBL PUBLIC FLOPPY PUBLIC HRD PUBLIC K10 PUBLIC K11 PUBLIC K12 PUBLIC K13 PUBLIC K14 PUBLIC K15 PUBLIC K6 PUBLIC K6L PUBLIC K7 PUBLIC K8 PUBLIC K9 PUBLIC M4 PUBLIC M5 PUBLIC M6 PUBLIC M7 PUBLIC NMI_INT PUBLIC PRINT_SCREEN PUBLIC P_O_R PUBLIC SEEKS_1 PUBLIC SLAVE_VECTOR_TABLE PUBLIC TUTOR PUBLIC VECTOR_TABLE PUBLIC VIDEO_PARMS EXTRN BOOT_STRAP_1:NEAR EXTRN CASSETTE_IO_1:NEAR EXTRN D11:NEAR EXTRN DISK_INT_1:NEAR EXTRN DISK_SETUP:NEAR EXTRN DISKETTE_IO_1:NEAR EXTRN DSKETTE_SETUP:NEAR EXTRN EQUIPMENT_1:NEAR EXTRN INT_287:NEAR EXTRN K16:NEAR EXTRN KEYBOARD_IO_1:NEAR EXTRN KB_INT_1:NEAR EXTRN MEMORY_SIZE_DET_1:NEAR EXTRN NMI_INT_1:NEAR EXTRN PRINT_SCREEN:NEAR EXTRN PRINTER_IO_1:NEAR EXTRN RE_DIRECT:NEAR EXTRN RS232_IO_1:NEAR EXTRN RTC_INT:NEAR EXTRN SEEK:NEAR EXTRN START_1:NEAR EXTRN TIME_OF_DAY:NEAR EXTRN TIMER_INT_1:NEAR EXTRN VIDEO_IO_1:NEAR ASSUME CS:CODE,DS:DATA ;------------------------------------------------------------------------------ ; THIS MODULE HAS BEEN ADDED TO FACILITATE THE EXPANSION OF THIS PROGRAM. : ; IT ALLOWS FOR THE FIXED ORG STATEMENT ENTRY POINTS THAT HAVE TO REMAIN : ; AT THE SAME ADDRESSES. THE USE OF ENTRY POINTS AND TABLES WITHIN THIS : ; MODULE SHOULD BE AVOIDED AND ARE INCLUDED ONLY TO SUPPORT EXISTING CODE : ; THAT VIOLATE THE STRUCTURE AND DESIGN OF BIOS. ALL BIOS ACCESS SHOULD : ; USE THE DOCUMENTED INTERRUPT VECTOR INTERFACE FOR COMPATIBILITY. : ;------------------------------------------------------------------------------ ;------------------------------------------ ; COPYRIGHT NOTICE : ;------------------------------------------ ;;- ORG 0E000H ORG 00000H DB '6480090 COPR. IBM 1981, 1985' ;------------------------------------------ ; PARITY ERROR MESSAGES : ;------------------------------------------ D1 DB 'PARITY CHECK 1',CR,LF ; PLANAR BOARD PARITY CHECK LATCH SET D2 DB 'PARITY CHECK 2',CR,LF ; I/O CHANNEL CHECK LATCH SET D2A DB '?????'.CR.LF IP = $ ORG 0E05BH ORG 0005BH RESET: ; RESET START JMP START_1 ; VECTOR ON TO THE MOVED POST CODE ;------------------------------------------ ; POST ERROR MESSAGES : ;------------------------------------------ E101 DB ' 101-System Board Error',CR,LF ; INTERRUPT FAILURE E102 DB ' 102-System Board Error',CR,LF ; TIMER FAILURE E103 DB ' 103-System Board Error',CR,LF ; TIMER INTERRUPT FAILURE E104 DB ' 104-System Board Error',CR,LF ; PROTECTED MODE FAILURE E105 DB ' 105-System Board Error',CR,LF ; LAST 8042 COMMAND NOT ACCEPTED E106 DB ' 106-System Board Error',CR,LF ; CONVERTING LOGIC TEST E107 DB ' 107-System Board Error',CR,LF ; HOT NMI TEST E108 DB ' 108-System Board Error',CR,LF ; TIMER BUS TEST E109 DB ' 109-System Board Error',CR,LF ; LOW MEG CHIP SELECT TEST E161 DB ' 161-System Options Not Set-(Run SETUP)',CR,LF ; DEAD BATTERY E162 DB ' 162-System Options Not Set-(Run SETUP)',CR,LF ; CHECKSUM/CONFIG E163 DB ' 163-Time & Date Not Set-(Run SETUP)',CR,LF ; CLOCK NOT UPDATING E164 DB ' 164-Memory Size Error-(Run SETUP)',CR,LF ; CMOS DOES NOT MATCH E201 DB ' 201-Memory Error',CR,LF E202 DB ' 202-Memory Address Error',CR,LF ; LINE ERROR 00->15 E203 DB ' 203-Memory Address Error',CR,LF ; LINE ERROR 16->23 E301 DB ' 301-Keyboard Error',CR,LF ; KEYBOARD ERROR E302 DB ' 302-System Unit Keylock is Locked',CR,LF ; KEYBOARD LOCK ON F3D DB ' (RESUME = "F1" KEY)',CR,LF ;----- NMI ENTRY IP = $ ;;- ORG 0E2C3H ORG 002C3H NMI_INT EQU $ JMP NMI_INT_1 ; VECTOR ON TO MOVED NMI CODE E303 DB ' 303-Keyboard or System Unit Error',CR,LF ;----- KEYBOARD/SYSTEM ERROR E304 DB ' 304-Keyboard or System Unit Error',CR,LF ; KEYBOARD CLOCK HIGH E401 DB ' 401-CRT Error',CR,LF ; MONOCHROME E501 DB ' 501-CRT Error'CR,LF ; COLOR E601 DB ' 601-Diskette Error',CR,LF ; DISKETTE ERROR ;----- DISKETTE BOOT RECORD IS NOT VALID E602 DB ' 602-Diskette Boot Record Error',CR,LF ;----- HARD FILE ERROR MESSAGE F1780 DB '1780-Disk 0 Failure',CR,LF F1781 DB '1781-Disk 1 Failure',CR,LF F1782 DB '1782-Disk Controller Failure',CR,LF FT790 DB '1790-Disk 0 Error',CR,LF F1791 DB '1791-Disk 1 Error',CR,LF F3A DB 'ROM Error ',CR,LF ; ROM CHECKSUM F3d1 DB ' -Unlock System Unit Keylock ',CR,LF ;------------------------------------------------------------ ; INITIALIZE DRIVE CHARACTERISTICS : ; : ; FIXED DISK PARAMETER TABLE : ; : ; - THE TABLE IS COMPOSED OF A BLOCK DEFINED AS: : ; : ; +0 (1 wORD) - MAXIMUM NUMBER OF CYLINDERS : ; +2 (1 BYTE) - MAXIMUM NUMBER OF HEADS : ; +3 (1 WORD) - NOT USED/SEE PC-XT : ; +5 (1 WORD) - STARTING WRITE PRECOMPENSATION CYL : ; +7 (1 BYTE) - NOT USED/SEE PC-XT : ; +8 (1 BYTE) - CONTROL BYTE : ; BIT 7 DISABLE RETRIES -OR- : ; BIT 6 DISABLE RETRIES : ; BIT 3 MORE THAN 8 HEADS : ; +9 (3 BYTES) - NOT USED/SEE PC-XT : ; +12 (1 WORD) - LANDING ZONE : ; +14 (1 BYTE) - NUMBER OF SECTORS/TRACK : ; +15 (1 BYTE) - RESERVED FOR FUTURE USE : ; : ; - TO DYNAMICALLY DEFINE A SET OF PARAMETERS : ; BUILD A TABLE FOR UP TO 15 TYPES AND PLACE : ; THE CORRESPONDING VECTOR INTO INTERRUPT 41 : ; FOR DRIVE 0 AND INTERRUPT 46 FOR DRIVE 1. : ; : ;------------------------------------------------------------ FD_TBL: ;----- DRIVE TYPE 01 DW 0306D ; CYLINDERS DB 04D ; HEADS DW 0 DW 0128D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0305D ; LANDING ZONE DB 17D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 02 DW 0615D ; CYLINDERS DB 04D ; HEADS DW 0 DW 0300D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0615D ; LANDING ZONE DB 17D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 03 DW 0615D ; CYLINDERS DB 06D ; HEADS DW 0 DW 0300D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0615D ; LANDING ZONE DB 17D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 04 DW 0940D ; CYLINDERS DB 08D ; HEADS DW 0 DW 0512D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0940D ; LANDING ZONE DB 17D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 05 DW 0940D ; CYLINDERS DB 06D ; HEADS DW 0 DW 0512D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0940D ; LANDING ZONE DB 17D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 06 DW 0615D ; CYLINDERS DB 04D ; HEADS DW 0 DW 0FFFFH ; NO WRITE PRE-COMPENSATION DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0615D ; LANDING ZONE DB 17D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 07 DW 0462D ; CYLINDERS DB 08D ; HEADS DW 0 DW 0256D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0511D ; LANDING ZONE DB 17D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 08 DW 0733D ; CYLINDERS DB 05D ; HEADS DW 0 DW 0FFFFH ; NO WRITE PRE-COMPENSATION DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0733D ; LANDING ZONE DB 17D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 09 DW 0900D ; CYLINDERS DB 15D ; HEADS DW 0 DW 0FFFFH ; NO WRITE PRE-COMPENSATION DB 0 DB 008H ; CONTROL BYTE DB 0,0,0 DW 0901D ; LANDING ZONE DB 17D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 10 DW 0820D ; CYLINDERS DB 03D ; HEADS DW 0 DW 0FFFFH ; NO WRITE PRE-COMPENSATION DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0820D ; LANDING ZONE DB 17D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 11 DW 0855D ; CYLINDERS DB 05D ; HEADS DW 0 DW 0FFFFH ; NO WRITE PRE-COMPENSATION DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0855D ; LANDING ZONE DB 17D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 12 DW 0855D ; CYLINDERS DB 07D ; HEADS DW 0 DW 0FFFFH ; NO WRITE PRE-COMPENSATION DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0855D ; LANDING ZONE DB 17D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 13 DW 0306D ; CYLINDERS DB 08D ; HEADS DW 0 DW 0128D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0319D ; LANDING ZONE DB 17D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 14 DW 0733D ; CYLINDERS DB 07D ; HEADS DW 0 DW 0FFFFH ; NO WRITE PRE-COMPENSATION DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0733D ; LANDING ZONE DB 17D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 15 RESERVED **** DO NOT USE **** DW 0000D ; CYLINDERS DB 00D ; HEADS DW 0 DW 0000D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0000D ; LANDING ZONE DB 00D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 16 DW 0612D ; CYLINDERS DB 04D ; HEADS DW 0 DW 0000D ; WRITE PRE-COMPENSATION ALL CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0663D ; LANDING ZONE DB 17D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 17 DW 0977D ; CYLINDERS DB 05D ; HEADS DW 0 DW 0300D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0977D ; LANDING ZONE DB 17D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 18 DW 0977D ; CYLINDERS DB 07D ; HEADS DW 0 DW 0FFFFH ; NO WRITE PRE-COMPENSATION DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0977D ; LANDING ZONE DB 17D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 19 DW 1024D ; CYLINDERS DB 07D ; HEADS DW 0 DW 0512D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 1023D ; LANDING ZONE DB 17D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 20 DW 0733D ; CYLINDERS DB 05D ; HEADS DW 0 DW 0300D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0732D ; LANDING ZONE DB 17D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 21 DW 0733D ; CYLINDERS DB 07D ; HEADS DW 0 DW 0300D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0732D ; LANDING ZONE DB 17D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 22 DW 0733D ; CYLINDERS DB 05D ; HEADS DW 0 DW 0300D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0733D ; LANDING ZONE DB 17D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 23 DW 0306D ; CYLINDERS DB 04D ; HEADS DW 0 DW 0000D ; WRITE PRE-COMPENSATION ALL CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0336D ; LANDING ZONE DB 17D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 24 *** RESERVED *** DW 0000D ; CYLINDERS DB 00D ; HEADS DW 0 DW 0000D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0000D ; LANDING ZONE DB 00D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 25 *** RESERVED *** DW 0000D ; CYLINDERS DB 00D ; HEADS DW 0 DW 0000D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0000D ; LANDING ZONE DB 00D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 26 *** RESERVED *** DW 0000D ; CYLINDERS DB 00D ; HEADS DW 0 DW 0000D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0000D ; LANDING ZONE DB 00D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 27 *** RESERVED *** DW 0000D ; CYLINDERS DB 00D ; HEADS DW 0 DW 0000D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0000D ; LANDING ZONE DB 00D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 28 *** RESERVED *** DW 0000D ; CYLINDERS DB 00D ; HEADS DW 0 DW 0000D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0000D ; LANDING ZONE DB 00D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 29 *** RESERVED *** DW 0000D ; CYLINDERS DB 00D ; HEADS DW 0 DW 0000D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0000D ; LANDING ZONE DB 00D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 30 *** RESERVED *** DW 0000D ; CYLINDERS DB 00D ; HEADS DW 0 DW 0000D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0000D ; LANDING ZONE DB 00D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 31 *** RESERVED *** DW 0000D ; CYLINDERS DB 00D ; HEADS DW 0 DW 0000D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0000D ; LANDING ZONE DB 00D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 32 *** RESERVED *** DW 0000D ; CYLINDERS DB 00D ; HEADS DW 0 DW 0000D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0000D ; LANDING ZONE DB 00D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 33 *** RESERVED *** DW 0000D ; CYLINDERS DB 00D ; HEADS DW 0 DW 0000D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0000D ; LANDING ZONE DB 00D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 34 *** RESERVED *** DW 0000D ; CYLINDERS DB 00D ; HEADS DW 0 DW 0000D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0000D ; LANDING ZONE DB 00D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 35 *** RESERVED *** DW 0000D ; CYLINDERS DB 00D ; HEADS DW 0 DW 0000D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0000D ; LANDING ZONE DB 00D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 36 *** RESERVED *** DW 0000D ; CYLINDERS DB 00D ; HEADS DW 0 DW 0000D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0000D ; LANDING ZONE DB 00D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 37 *** RESERVED *** DW 0000D ; CYLINDERS DB 00D ; HEADS DW 0 DW 0000D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0000D ; LANDING ZONE DB 00D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 38 *** RESERVED *** DW 0000D ; CYLINDERS DB 00D ; HEADS DW 0 DW 0000D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0000D ; LANDING ZONE DB 00D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 39 *** RESERVED *** DW 0000D ; CYLINDERS DB 00D ; HEADS DW 0 DW 0000D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0000D ; LANDING ZONE DB 00D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 40 *** RESERVED *** DW 0000D ; CYLINDERS DB 00D ; HEADS DW 0 DW 0000D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0000D ; LANDING ZONE DB 00D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 41 *** RESERVED *** DW 0000D ; CYLINDERS DB 00D ; HEADS DW 0 DW 0000D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0000D ; LANDING ZONE DB 00D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 42 *** RESERVED *** DW 0000D ; CYLINDERS DB 00D ; HEADS DW 0 DW 0000D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0000D ; LANDING ZONE DB 00D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 43 *** RESERVED *** DW 0000D ; CYLINDERS DB 00D ; HEADS DW 0 DW 0000D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0000D ; LANDING ZONE DB 00D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 44 *** RESERVED *** DW 0000D ; CYLINDERS DB 00D ; HEADS DW 0 DW 0000D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0000D ; LANDING ZONE DB 00D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 45 *** RESERVED *** DW 0000D ; CYLINDERS DB 00D ; HEADS DW 0 DW 0000D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0000D ; LANDING ZONE DB 00D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 46 *** RESERVED *** DW 0000D ; CYLINDERS DB 00D ; HEADS DW 0 DW 0000D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0000D ; LANDING ZONE DB 00D ; SECTORS/TRACK DB 0 ;----- DRIVE TYPE 47 *** RESERVED *** DW 0000D ; CYLINDERS DB 00D ; HEADS DW 0 DW 0000D ; WRITE PRE-COMPENSATION CYLINDER DB 0 DB 0 ; CONTROL BYTE DB 0,0,0 DW 0000D ; LANDING ZONE DB 00D ; SECTORS/TRACK DB 0 ;----- BOOT LOADER INTERRUPT IP = $ ;;- ORG 0E6F2H ORG 006F2H BOOT_STRAP EQU $ JMP BOOT_STRAP_1 ; VECTOR ON TO MOVED BOOT CODE ; USE INT 15 H AH= 0C0 OCOH CONF_TBL: ; CONFIGURATION TABLE FOR THIS SYSTEM DW CONF_E-CONF_TBL-2 ; LENGTH OF FOLLOWING TABLE DB MODEL_BYTE ; SYSTEM MODEL BYTE DB SUB_MODEL_BYTE ; SYSTEM SUB MODEL TYPE BYTE DB BIOS_LEVEL ; BIOS REVISION LEVEL DB 01110000B ; 10000000 = DMA CHANNEL 3 USE BY BIOS ; 01000000 = CASCADED INTERRUPT LEVEL 2 ; 00100000 = REAL TIME CLOCK AVAILABLE ; 00010000 = KEYBOARD SCAN CODE HOOK 1AH DB 0 ; RESERVED DB 0 ; RESERVED DB 0 ; RESERVED DB 0 ; RESERVED CONF_E EQU $ ; RESERVED FOR EXPANSION ;----- BAUD RATE INITIALIZATION TABLE IP = $ ;;- ORG 0E729H ORG 00729H A1 DW 1047 ; 110 BAUD ; TABLE OF VALUES DW 768 ; 150 ; FOR INITIALIZATION DW 364 ; 300 DW 192 ; 600 DW 96 ; 1200 DW 48 ; 2400 DW 24 ; 4800 DW 12 ; 9600 ;----- RS232 ;;- ORG 0E739H ORG 00739H RS232_IO EQU $ JMP RS232_IO_1 ; VECTOR ON TO MOVED RS232 CODE ;----- KEYBOARD ;;- ORG 0E82EH ORG 0082EH KEYBOARD_IO EQU $ JMP KEYBOARO_IO_1 ; VECTOR ON TO MOVED KEYBOARD CODE ;----- TABLE OF SHIFT KEYS AND MASK VALUES (EARLY PC) ;;- ORG 0E87EH ORG 0087EH K6 DB INS_KEY ; INSERT KEY DB CAPS_KEY,NUM_KEY,SCROLL_KEY,ALT_KEY,CTL_KEY DB3 LEFT_KEY,RIGHT_KEY K6L EQU $-K6 ;----- SHIFT_MASK_TABLE K7 DB INS_SHIFT ; INSERT MODE SHIFT DB CAPS_SHIFT,NUM_SHIFT,SCROLL_SHIFT,ALT_SHIFT,CTL_SHIFT DB LEFT_SHIFT,RIGHT_SHIFT ;----- SCAN CODE TABLES K8 DB 27,-1,0,-1,-1,-1,30,-1,-1,-1,-1,31 DB -1,127,-1,17,23,5,18,20,25,21,9,15 DB 16,27,29,10,-1,1,19,4,6,7,8,10 DB 11,12,-1,-1,-1,-1,28,26,24,3,22,2 DB 14,13,-1,-1,-1,-1,-1,-1,' ',-1 ;----- CTL TABLE SCAN K9 DB 94,95,96,97,98,99,100,101,102,103,-1,-1 DB 119,-1,132,-1,115,-1,116,-1,117,-1,118,-1 DB -1 ;----- LC TABLE K10 DB 01BH,'1234567890-=',08H,09H DB 'qwertyuiop[]',0DH,-1,'asdfghjkl;',027H DB 60H,-1,5CH,'zxcvbnm,./',-1,'*',-1,' ' ;----- UC TABLE K11 DB 27,'!@#$',37,05EH,'&*()_+',08H,0 DB 'QWERTYUIOP{}',0DH,-1,'ASDFGHJKL:"' DB 07EH,-1,'|ZXCVBNM<>?',-1,0,-1,' ',-1 ;----- UC TABLE SCAN K12 DB 84,85,86,87,88,89 DB 90,91,92,93 ;----- ALT TABLE SCAN K13 DB 104,105,106,107,108 DB 109,110,111,112,113 ;----- NUM STATE TABLE K14 DB '7A9-456+1230.' ;----- BASE CASE TABLE K15 DB 71,72,73,-1,75,-1 DB 77,-1,79,80,81,82,83 ;----- KEYBOARD INTERRUPT ;;- ORG 0E987H ORG 00987H KB_INT EQU $ JMP KB_INT_1 ; VECTOR ON TO MOVED KEYBOARD HANDLER ;----- DISKETTE I/O ;;- ORG 0EC59H ORG 00C59H DISKETTE_IO EQU $ JMP DISKETTE_IO_1 ; VECTOR ON TO MOVED DISKETTE CODE ;----- DISKETTE INTERRUPT ;;- ORG 0EF57H ORG 00F57H DISK_INT EQU $ JMP DISK_INT_1 ; VECTOR ON TO MOVED DISKETTE HANDLER ;----- DISKETTE PARAMETERS ;;- ORG 0EFC7H ORG 00FC7H ;------------------------------------------------------------------ ; DISK BASE : ; THIS IS THE SET OF PARAMETERS REQUIRED FOR : ; DISKETTE OPERATION. THEY ARE POINTED AT BY THE : ; DATA VARIABLE @DISK_POINTER. TO MODIFY THE PARAMETERS, : ; BUILD ANOTHER PARAMETER BLOCK AND POINT AT IT : ------------------------------------------------------------------- DISK_BASE LABEL BYTE DB 11011111B ; SRT=D, HD UNLOAD=0F - 1ST SPECIFY BYTE DB 2 ; HD LOAD=1, MODE=DMA - 2ND SPECIFY BYTE DB MOTOR_WAIT ; WAIT TIME AFTER OPERATION TILL MOTOR OFF DB 2 ; 512 BYTES/SECTOR DB 15 ; EOT (LAST SECTOR ON TRACK) DB 01BH ; GAP LENGTH DB 0FFH ; DTL DB 054H ; GAP LENGTH FOR FORMAT DB 0F6H ; FILL BYTE FOR FORMAT DB 15 ; HEAD SETTLE TIME (MILLISECONDS) DB 8 ; MOTOR START TIME (1/8 SECONDS) ;----- PRINTER I/O ;;- ORG 0EFD2H ORG 00FD2H PRINTER_IO EQU $ JMP PRINTER_IO_1 ; VECTOR ON TO MOVED PRINTER CODE ;----- FOR POSSIBLE COMPATIBILITY ENTRY POINTS ;;- ORG 0F045H ORG 01045H ASSUME CS:CODE,DS;DATA EXTRN SET_MODE:NEAR EXTRN SET_CTYPE:NEAR EXTRN SET_CPOS:NEAR EXTRN READ_CURSOR:NEAR EXTRN READ_LPEN:NEAR EXTRN ACT_DISP_PAGE:NEAR EXTRN SCROLL_UP:NEAR EXTRN SCROLL_DOWN:NEAR EXTRN READ_AC_CURRENT:NEAR EXTRN WRITE_AC_CURRENT:NEAR EXTRN WRITE_C_CURRENT:NEAR EXTRN SET_COLOR:NEAR EXTRN WRITE_DOT:NEAR EXTRN READ_DOT:NEAR EXTRN WRITE_TTY:NEAR EXTRN VIDEO_STATE:NEAR M1 DW OFFSET SET_MODE ; TABLE OF ROUTINES WITHIN VIDEO I/O DW OFFSET SET_CTYPE ; EXIT STACK VALUES MAY BE DW OFFSET SET_CPOS ; DIFFERENT DEPENDING ON THE DW OFFSET READ_CURSOR ; SYSTEM AND MODEL DW OFFSET READ_LPEN DW OFFSET ACT_DISP_PAGE DW OFFSET SCROLL_UP DW OFFSET SCROLL_DOWN DW OFFSET READ_AC_CURRENT DW OFFSET WRITE_AC_CURRENT DW OFFSET WRITE_C_CURRENT DW OFFSET SET_COLOR DW OFFSET WRITE_DOT DW OFFSET READ_DOT DW OFFSET WRITE_TTY DW OFFSET VIDEO_STATE M1L EQU $-ML ;;- ORG 0F065H ORG 01065H VIDEO_IO EQU $ JMP VIDEO_IO_1 ; VECTOR ON TO MOVED VIDEO CODE ;----- VIDEO PARAMETERS --- INIT_TABLE ;;- ORG 0F0A4H ORG 010A4H VIDEO_PARMS LABEL BYTE DB 38H,28H,2DH,0AH,1FH,6,19H ; SET UP FOR 40X25 DB 1CH,2,7,6,7 DB 0,0,0,0 M4 EQU $-VIDEO_PARMS DB 71H,50H,5AH,0AH,1FH,6,19H ; SET UP FOR 80X25 DB 1CH,2,7,6,7 DB 0,0,0,0 DB 38H,28H,20H,0AH,7FH,6,64H ; SETUP FOR GRAPHICS DB 7OH,2,1,6,7 DB 0,0,0,0 DB 61H,50H,52H,0FH,19H,6,19H ; SETUP FOR 80X25 B&W CARD DB 19H,2,0DH,0BH,0CH DB 0,0,0,0 ; TABLE OF REGEN LENGTHS M5 DW 2048 ; 40X25 DW 4096 ; 80X25 DW 16384 ; GRAPHICS DW 16384 ;----- COLUMNS M6 DB 40,40,80,80,40,40,80,80 ;----- C_REG_TAB M7 DB 2CH,28H,2DH,29H,2AH,2EH,1EH,29H ; TABLE OF MODE SETS ;----- MEMORY SIZE ;:- ORG 0F841H ORG 01841H MEMORY_SIZE_DET EQU $ JMP MEMORY_SIZE_DET_1 ; VECTOR ON TO MOVED BIOS CODE ;----- EQUIPMENT DETERMINE ;;- ORG 0F84DH ORG 0184DH EQUIPMENT EQU $ JMP EQUIPMENT_1 ; VECTOR ON TO MOVED BIOS CODE ;----- CASSETTE (NO BIOS SUPPORT) ;;- ORG 0F859H ORG 01859H CASSETTE_IO EQU $ JMP CASSETTE_IO_1 ; VECTOR ON TO MOVED BIOS CODE ;------------------------------------------------------------------------ ; CHARACTER GENERATOR GRAPHICS FOR 320X200 AND 640X200 GRAPHICS : ;------------------------------------------------------------------------ ;;- ORG 0FA6EH ORG 01A6EH CRT_CHAR_GEN LABEL BYTE DB 000H,000H,000H,000H,000H,000H,000H,000H ; D_00 BLANK DB 07EH,081H,0A5H,081H,0BDH,099H,081H,07EH ; D_01 SMILING FACE DB 07EH,0FFH,0DBH,0FFH,0C3H,0E7H,0FFH,07EH ; D_02 SMILING FACE N DB 06CH,0FEH,0FEH,0FEH,07CH,038H,010H,000H ; D_03 HEART DB 010H,038H,07CH,0FEH,07CH,038H,010H,000H ; D_04 DIAMOND DB 038H,07CH,038H,0FEH,0FEH,07CH,038H,07CH ; D_05 CLUB DB 010H,010H,038H,07CH,0FEH,07CH,038H,07CH ; D_06 SPADE DB 000H,000H,018H,03CH,03CH,018H,000H,000H ; D_07 BULLET DB 0FFH,0FFH,0E7H,0C3H,0C3H,0E7H,0FFH,0FFH ; D_08 BULLET NEG DB 000H,03CH,066H,042H,042H,066H,03CH,000H ; D_09 CIRCLE DB 0FFH,0C3H,099H,0BDH,0BDH,099H,0C3H,0FFH ; D_0A CIRCLE NEG DB 00FH,007H,00FH,07DH,0CCH,0CCH,0CCH,078H ; D_0B MALE DB 03CH,066H,066H,066H,03CH,018H,07EH,018H ; D_0C FEMALE DB 03FH,033H,03FH,030H,030H,070H,0F0H,0E0H ; D_0D EIGHTH NOTE DB 07FH,063H,07FH,063H,063H,067H,0E6H,0C0H ; D_0E TW0 1/16 NOTE DB 099H,05AH,03CH,0E7H,0E7H,03CH,05AH,099H ; D_0F SUN DB 080H,0E0H,0F8H,0FEH,0F8H,0E0H,080H,000H ; D_10 R ARROWHEAD DB 002H,00EH,03EH,0FEH,03EH,00EH,002H,000H ; D_11 L ARROWHEAD DB 018H,03CH,07EH,018H,018H,07EH,03CH,018H ; D_12 ARROW 2 VERT DB 066H,066H,066H,066H,066H,066H,066H,000H ; D_13 2 EXCLAMATIONS DB 07FH,0DBH,0DBH,07BH,01BH,01BH,01BH,000H ; D_14 PARAGRAPH DB 03EH,063H,038H,06CH,06CH,038H,0CCH,078H ; D_15 SECTION DB 000H,000H,000H,000H,07EH,07EH,07EH,000H ; D_16 RECTANGLE DB 018H,03CH,07EH,018H,07EH,03CH,018H,0FFH ; D_17 ARROW 2 VRT UP DB 018H,03CH,07EH,018H,018H,018H,01BH,000H ; D_18 ARROW VRT UP DB 018H,018H,018H,01BH,07EH,03CH,018H,000H ; D_19 ARROW VRT DOWN DB 000H,018H,00CH,0FEH,00CH,018H,000H,000H ; D_1A ARROW RIGHT DB 000H,030H,060H,0FEH,060H,030H,000H,Q00H ; D_1B ARROW LEFT DB 000H,000H,0C0H,0C0H,0C0H,0FEH,000H,000H ; D_1C P407 INVERTED DB 0D0H,024H,066H,0FFH,066H,024H,000H,000H ; D_1D ARROW 2 HORZ DB 000H,018H,03CH,07EH,0FFH,0FFH,000H,000H ; D_1E ARROWHEAD UP DB 000H,0FFH,0FFH,07EH,03CH,018H,000H,000H ; D_1F ARROWHEAD DOWN DB 000H,000H,000H,000H,000H,000H,000H,000H ; D_20 SPACE DB 030H,078H,078H,030H,030H,000H,030H,000H ; D_21 ! EXCLAMATION DB 06CH,06CH,06CH,000H,000H,000H,000H,000H ; D_22 " QUOTATION DB 06CH,06CH,0FEH,06CH,0FEH,06CH,06CH,000H ; D_23 # LB. DB 030H,07CH,0C0H,078H,00CH,0F8H,030H,000H ; D_24 $ DOLLAR SIGN DB 000H,0C6H,0CCH,018H,030H,066H,0C6H,000H ; D_25 % PERCENT DB 038H,06CH,038H,076H,0DCH,0CCH,076H,000H ; D_26 & AMPERSAND DB 060H,060H,0C0H,000H,000H,000H,000H,000H ; D_27 ' APOSTROPHE DB 018H,030H,060H,060H,060H,030H,018H,000H ; D_28 ( L. PARENTHESIS DB 060H,030H,018H,018H,018H,030H,060H,000H ; D_29 ) R. PARENTHESIS DB 000H,066H,03CH,0FFH,03CH,066H,000H,000H ; D_2A * ASTERISK DB 000H,030H,030H,0FCH,030H,030H,000H,000H ; D_2B + PLUS DB 000H,000H,000H,000H,000H,030H,030H,060H ; D_2C , C0MMA DB 000H,000H,000H,0FCH,000H,000H,000H,000H ; D_2D - DASH DB 000H,000H,000H,000H,000H,030H,030H,000H ; D_2E . PERIOD DB 006H,00CH,018H,030H,060H,0C0H,080H,000H ; D_2F / SLASH DB 07CH,0C6H,0CEH,0DEH,0F6H,0E6H,07CH,000H ; D_30 0 DB 030H,070H,030H,030H,030H,030H,0FCH,000H ; D_31 1 DB 078H,0CCH,00CH,038H,060H,0CCH,0FCH,000H ; D_32 2 DB 078H,0CCH,00CH,038H,00CH,0CCH,078H,000H ; D_33 3 DB 01CH,03CH,06CH,0CCH,0FEH,00CH,01EH,000H ; D_34 4 DB 0FCH,0C0H,0F8H,00CH,00CH,0CCH,078H,0Q0H ; D_35 5 DB 038H,060H,0C0H,0F8H,0CCH,0CCH,078H,000H ; D_36 6 DB 0FCH,0CCH,00CH,01BH,030H,030H,030H,000H ; D_37 7 DB 078H,0CCH,0CCH,078H,0CCH,0CCH,078H,000H ; D_38 8 DB 078H,0CCH,0CCH,07CH,00CH,018H,070H,000H ; D_39 9 DB 000H,030H,030H,000H,000H,030H,030H,000H ; D_3A : COLON DB 000H,030H,030H,000H,000H,030H,030H,060H ; D_3B ; SEMICOLON DB 018H,030H,060H,0C0H,060H,030H,018H,000H ; D_3C < LESS THAN DB 000H,000H,0FCH,000H,000H,0FCH,000H,000H ; D_3D = EQUAL DB 060H,030H,018H,00CH,018H,030H,060H,000H ; D_3E > GREATER THAN DB 078H,0CCH,00CH,018H,030H,000H,030H,000H ; D_3F ? QUESTION MARK DB 07CH,0C6H,0DEH,0DEH,0DEH,0C0H,078H,000H ; D_40 @ AT DB 030H,078H,0CCH,0CCH,0FCH,0CCH,0CCH,000H ; D_41 A DB 0FCH,066H,066H,07CH,066H,066H,0FCH,000H ; D_42 B DB 03CH,066H,0C0H,0C0H,0C0H,066H,03CH,000H ; D_43 C DB 0F8H,06CH,066H,066H,066H,06CH,0F8H,000H ; D_44 D DB 0FEH,062H,068H,078H,068H,062H,0FEH,000H ; D_45 E DB 0FEH,062H,068H,078H,068H,060H,0F0H,000H ; D_46 F DB 03CH,066H,0C0H,0C0H,0CEH,066H,03EH,000H ; D_47 G DB 0CCH,0CCH,0CCH,0FCH,0CCH,0CCH,0CCH,000H ; D_48 H DB 078H,030H,030H,030H,030H,030H,078H,000H ; D_49 I DB 01EH,00CH,00CH,00CH,0CCH,0CCH,078H,000H ; D_4A J DB 0E6H,066H,06CH,078H,06CH,066H,0E6H,000H ; D_4B K DB 0F0H,060H,060H,060H,062H,066H,0FEH,00DH ; D_4C L DB 0C6H,0EEH,0FEH,0FEH,0D6H,0C6H,0C6H,000H ; D_4D M DB 0C6H,0E6H,0F6H,0DEH,0CEH,0C6H,0C6H,000H ; D_4E N DB 038H,06CH,0C6H,0C6H,0C6H,06CH,038H,000H ; D_4F O DB 0FCH,066H,066H,07CH,060H,060H,0F0H,000H ; D_50 P DB 078H,0CCH,0CCH,0CCH,0DCH,078H,01CH,000H ; D_51 Q DB 0FCH,066H,066H,07CH,06CH,066H,0E6H,000H ; D_52 R DB 078H,0CCH,0E0H,070H,01CH,0CCH,078H,000H ; D_53 S DB 0FCH,0B4H,030H,030H,030H,030H,078H,000H ; D_54 T DB 0CCH,0CCH,0CCH,0CCH,0CCH,0CCH,0FCH,000H ; D_55 U DB 0CCH,0CCH,0CCH,0CCH,0CCH,078H,030H,000H ; D_56 V DB 0C6H,0C6H,0C6H,0D6H,0FEH,0EEH,0C6H,000H ; D_57 W DB 0C6H,0C6H,06CH,038H,038H,06CH,0C6H,000H ; D_58 X DB 0CCH,0CCH,0CCH,078H,030H,030H,078H,000H ; D_59 Y DB 0FEH,0C6H,08CH,018H,032H,066H,0FEH,000H ; D_5A Z DB 078H,060H,060H,060H,060H,060H,078H,000H ; D_5B [ LEFT BRACKET DB 0C0H,060H,030H,018H,00CH,006H,002H,000H ; D_5C \ BACKSLASH DB 078H,018H,018H,018H,018H,018H,078H,000H ; D_5D ] RIGHT BRACKET DB 010H,038H,06CH,0C6H,000H,000H,000H,000H ; D_5E ^ CIRCUMFLEX DB 000H,000H,000H,000H,000H,000H,000H,0FFH ; D_5F _ UNDERSCORE DB 030H,030H,018H,000H,000H,000H,000H,000H ; D_60 ` APOSTROPHE REV DB 000H,000H,078H,00CH,07CH,0CCH,076H,000H ; D_61 a DB 0E0H,060H,060H,07CH,066H,066H,0DCH,000H ; D_62 b DB 000H,000H,078H,0CCH,0C0H,0CCH,078H,000H ; D_63 c DB 01CH,00CH,07CH,07CH,0CCH,0CCH,076H,000H ; D_64 d DB 000H,000H,078H,0CCH,0FCH,0C0H,078H,000H ; D_65 e DB 038H,06CH,060H,0F0H,060H,060H,0F0H,000H ; D_66 f DB 000H,000H,076H,0CCH,0CCH,07CH,00CH,0F8H ; D_67 g DB 0E0H,060H,06CH,076H,066H,066H,0E6H,000H ; D_68 h DB 030H,000H,070H,030H,030H,030H,078H,000H ; D_69 i DB 00CH,000H,00CH,00CH,00CH,0CCH,0CCH,078H ; D_6A j DB 0E0H,060H,066H,06CH,078H,06CH,0E6H,000H ; D_6B k DB 070H,030H,030H,030H,030H,030H,078H,000H ; d_6C l DB 000H,000H,0CCH,0FEH,0FEH,0D6H,0C6H,000H ; D_6D m DB 000H,000H,0F8H,0CCH,0CCH,0CCH,0CCH,000H ; D_6E n DB 000H,000H,078H,0CCH,0CCH,0CCH,078H,000H ; D_6F o DB 000H,000H,0DCH,066H,066H,07CH,060H,0F0H ; D_70 p DB 000H,000H,076H,0CCH,0CCH,07CH,00CH,01EH ; D_71 q DB 000H,000H,0DCH,076H,066H,060H,0F0H,000H ; D_72 r DB 000H,000H,07CH,0C0H,078H,00CH,0F8H,000H ; D_73 s DB 010H,030H,07CH,030H,030H,034H,018H,000H ; D_74 t DB 000H,000H,0CCH,0CCH,0CCH,0CCH,076H,000H ; D_75 u DB 000H,000H,0CCH,0CCH,0CCH,078H,030H,000H ; D_76 v DB 000H,000H,0C6H,0D6H,0FEH,0FEH,06CH,000H ; D_77 w DB 000H,000H,0C6H,06CH,038H,06CH,0C6H,000H ; D_78 x DB 000H,000H,0CCH,0CCH,0CCH,07CH,00CH,0F8H ; D_79 y DB 000H,000H,0FCH,098H,030H,064H,0FCH,000H ; D_7A z DB 01CH,030H,030H,0E0H,030H,030H,01CH,000H ; D_7B { LEFT BRACE DB 018H,018H,018H,D00H,018H,C1BH,018H,000H ; D_7C | BROKEN STROKE DB 0E0H,030H,030H,01CH,030H,030H,0E0H,000H ; D_7D } RIGHT BRACE DB 076H,0DCH,000H,000H,000H,000H,000H,000H ; D_7E ~ TILDE DB 000H,010H,038H,06CH,0C6H,0C6H,0FEH,000H ; D_7F DELTA ;----- TIME OF DAY ;;- ORG 0FE6EH ORG 01E6EH TIME_OF_DAY EQU $ JMP TIME_OF_DAY_1 ; VECTOR ON TO MOVED BIOS CODE ;----- TIMER INTERRUPT ORG 0FEA5H ORG 01EA5H TIMER_INT EQU $ JMP TIMER_INT_1 ; VECTOR ON TO MOVED BIOS CODE ;----- VECTOR TABLE ;;- ORG 0FEF3H ORG 01EF3H ; AT LOCATION 0FEF3H VECTOR_TABLE LABEL WORD ; VECTOR TABLE VALUES FOR POST TESTS DW OFFSET TIMER_INT ; INT 06H - HARDWARE TIMER 0 IRQ 0 DW OFFSET KB_INT ; INT 09H - KEYBOARD IRQ 1 DW OFFSET D11 ; INT 0AH - SLAVE INTERRUPT INPUT DW OFFSET D11 ; INT 0BH - IRQ 3 DW OFFSET D11 ; INT 0CH - IRQ 4 DW OFFSET D11 ; INT 0DH - IRQ 5 DW OFFSET DISK_INT ; INT 0EH - DISKETTE IRQ 6 DW OFFSET D11 ; INT 0FH - IRQ 7 ;----- SOFTWARE INTERRUPTS ( BIOS CALLS AND POINTERS ) DW OFFSET VIDEO_IO ; INT 10H -- VIDEO DISPLAY DW OFFSET EQUIPMENT ; INT 11H -- GET EQUIPMENT FLAG WORD DW OFFSET MEMORY_SIZE_DET ; INT 12H -- GET REAL MODE MEMORY SIZE DW OFFSET DISKETTE_IO ; INT 13H -- DISKETTE DW OFFSET RS232_IO ; INT 14H -- COMMUNICATION ADAPTER DW OFFSET CASSETTE_IO ; INT 15H -- EXPANDED BIOS FUNCTION CALL DW OFFSET KEYBOARD_IO ; INT 16H -- KEYBOARD INPUT DW OFFSET PRINTER_IO ; INT 17H -- PRINTER OUTPUT DW 00000H ; INT 18H -- 0F600H INSERTED FOR BASIC DW OFFSET BOOT_STRAP ; INT 19H -- BOOT FROM SYSTEM MEDIA DW OFFSET TIME_OF_DAY ; INT 1AH -- TIME OF DAY DW OFFSET DUMMY_RETURN ; INT 1BH -- KEYBOARD BREAK ADDRESS DW OFFSET DUMMY_RETURN ; INT 1CH -- TIMER BREAK ADDRESS DW OFFSET VIDEO_PARMS ; INT 1DH -- VIDEO PARAMETERS DW OFFSET DISK_BASE ; INT 1EH -- DISKETTE PARAMETERS DW 00000H ; INT 1FH -- POINTER TO VIDEO EXTENSION SLAVE_VECTOR_TABLE LABEL WORD ; ( INTERRUPT 70H THRU 7FH ) DW OFFSET RTC_INT ; INT 70H - REAL TIME CLOCK IRQ 8 DW OFFSET RE_DIRECT ; INT 71H - REDIRECT TO INT 04H IRQ 9 DW OFFSET D11 ; INT 72H - IRQ 10 DW OFFSET D11 ; INT 73H - IRQ 11 DW OFFSET D11 ; INT 74H - IRQ 12 DW OFFSET INT_287 ; INT 75H - MATH COPROCESSOR IRQ 13 DW OFFSET D11 ; INT 76H - FIXED DISK IRQ 14 DW OFFSET D11 ; INT 77H - IRQ 15 ;----- DUMMY INTERRUPT HANDLER ;;- ORG 0FF53H ORG 01F53H DUMMY_RETURN EQU $ ; BIOS DUMMY (NULL) INTERRUPT RETURN IRET ;----- PRINT SCREEN ;;- ORG 0FF54H ORG 01F54H PRINT_SCREEN EQU $ JMP PRINT_SCREEN_1 ; VECTOR ON TO MOVED BIOS CODE .LIST ; TUTOR ;------------------------------------------ ; : ; POWER ON RESET VECTOR : ; : ;------------------------------------------ ;;- ORG 0FFF0H ORG 01FF0H ;----- POWER ON RESET P_O_R LABEL FAR ; POWER ON RESTART EXECUTION LOCATION DB 0EAH ; HARD CODE FAR JUMP TO SET DW OFFSET RESET ; OFFSET DW 0F000H ; SEGMENT DB '06/10/85' ; RELEASE MARKER ORG 01FFEH DB MODEL_BYTE ; THIS PC'S ID ( MODEL BYTE ) CODE ENDS ; CHECKSUM AT LAST LOCATION END