[3] | 1 | ; Project name : XTIDE Universal BIOS |
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[86] | 2 | ; Authors : Tomi Tilli |
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| 3 | ; : aitotat@gmail.com |
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| 4 | ; : |
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[181] | 5 | ; : Greg Lindhorst |
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| 6 | ; : gregli@hotmail.com |
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| 7 | ; ; |
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[86] | 8 | ; : Krister Nordvall |
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| 9 | ; : krille_n_@hotmail.com |
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| 10 | ; : |
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[3] | 11 | ; Description : Main file for BIOS. This is the only file that needs |
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| 12 | ; to be compiled since other files are included to this |
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| 13 | ; file (so no linker needed, Nasm does it all). |
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| 14 | |
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| 15 | ORG 000h ; Code start offset 0000h |
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| 16 | |
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[183] | 17 | %define MENUEVENT_INLINE_OFFSETS ; Only one menu required, save space and inline offsets |
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| 18 | |
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[181] | 19 | ; Included .inc files |
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| 20 | %include "AssemblyLibrary.inc" ; Assembly Library. Must be included first! |
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| 21 | %include "IntController.inc" ; For Interrupt Controller equates |
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| 22 | %include "ATA_ID.inc" ; For ATA Drive Information structs |
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| 23 | %include "IdeRegisters.inc" ; For ATA Registers, flags and commands |
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| 24 | %include "Int13h.inc" ; Equates for INT 13h functions |
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[176] | 25 | %ifdef MODULE_EBIOS |
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[181] | 26 | %include "EBIOS.inc" ; Equates for EBIOS functions |
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[176] | 27 | %endif |
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[181] | 28 | %include "CustomDPT.inc" ; For Disk Parameter Table |
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| 29 | %include "RomVars.inc" ; For ROMVARS and IDEVARS structs |
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| 30 | %include "RamVars.inc" ; For RAMVARS struct |
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| 31 | %include "BootVars.inc" ; For BOOTVARS and BOOTNFO structs |
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| 32 | %include "BootMenu.inc" ; For Boot Menu |
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| 33 | %include "IDE_8bit.inc" ; For IDE 8-bit data port macros |
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| 34 | %include "DeviceIDE.inc" ; For IDE device equates |
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[3] | 35 | |
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| 36 | |
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| 37 | ; Section containing code |
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| 38 | SECTION .text |
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| 39 | |
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| 40 | ; ROM variables (must start at offset 0) |
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[239] | 41 | CNT_ROM_BLOCKS EQU ROMSIZE / 512 ; number of 512B blocks, 16 = 8kB BIOS |
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[3] | 42 | istruc ROMVARS |
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| 43 | at ROMVARS.wRomSign, dw 0AA55h ; PC ROM signature |
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| 44 | at ROMVARS.bRomSize, db CNT_ROM_BLOCKS ; ROM size in 512B blocks |
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[181] | 45 | at ROMVARS.rgbJump, jmp Initialize_FromMainBiosRomSearch |
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[88] | 46 | at ROMVARS.rgbSign, db "XTIDE120" ; Signature for flash program |
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[3] | 47 | at ROMVARS.szTitle |
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| 48 | db "-=XTIDE Universal BIOS" |
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| 49 | %ifdef USE_AT |
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[88] | 50 | db " (AT)=-",NULL |
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[3] | 51 | %elifdef USE_186 |
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[88] | 52 | db " (XT+)=-",NULL |
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[3] | 53 | %else |
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[88] | 54 | db " (XT)=-",NULL |
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[3] | 55 | %endif |
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[97] | 56 | at ROMVARS.szVersion, db "v1.2.0_wip (",__DATE__,")",NULL |
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[3] | 57 | |
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[179] | 58 | ;;; For OR'ing into wFlags below |
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[181] | 59 | ;;; |
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[179] | 60 | %ifdef MODULE_SERIAL |
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[181] | 61 | MAIN_FLG_MODULE_SERIAL equ FLG_ROMVARS_MODULE_SERIAL |
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[179] | 62 | %else |
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[181] | 63 | MAIN_FLG_MODULE_SERIAL equ 0 |
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[179] | 64 | %endif |
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| 65 | |
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| 66 | %ifdef MODULE_EBIOS |
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[181] | 67 | MAIN_FLG_MODULE_EBIOS equ FLG_ROMVARS_MODULE_EBIOS |
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[179] | 68 | %else |
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[181] | 69 | MAIN_FLG_MODULE_EBIOS equ 0 |
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[179] | 70 | %endif |
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| 71 | |
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[243] | 72 | %ifdef MODULE_JRIDE |
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| 73 | MAIN_FLG_MODULE_JRIDE equ FLG_ROMVARS_MODULE_JRIDE |
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| 74 | %else |
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| 75 | MAIN_FLG_MODULE_JRIDE equ 0 |
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| 76 | %endif |
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| 77 | |
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| 78 | |
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[3] | 79 | ;---------------------------; |
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| 80 | ; AT Build default settings ; |
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| 81 | ;---------------------------; |
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| 82 | %ifdef USE_AT |
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[243] | 83 | at ROMVARS.wFlags, dw FLG_ROMVARS_FULLMODE | FLG_ROMVARS_DRVXLAT | MAIN_FLG_MODULE_SERIAL | MAIN_FLG_MODULE_EBIOS | MAIN_FLG_MODULE_JRIDE |
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[143] | 84 | at ROMVARS.wDisplayMode, dw DEFAULT_TEXT_MODE |
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[137] | 85 | at ROMVARS.wBootTimeout, dw 30 * TICKS_PER_SECOND ; Boot Menu selection timeout |
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[150] | 86 | at ROMVARS.bIdeCnt, db 4 ; Number of supported controllers |
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[3] | 87 | at ROMVARS.bBootDrv, db 80h ; Boot Menu default drive |
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| 88 | at ROMVARS.bMinFddCnt, db 0 ; Do not force minimum number of floppy drives |
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| 89 | at ROMVARS.bStealSize, db 1 ; Steal 1kB from base memory |
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| 90 | |
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[199] | 91 | at ROMVARS.ideVars0+IDEVARS.wPort, dw DEVICE_ATA_DEFAULT_PORT ; Controller Command Block base port |
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| 92 | at ROMVARS.ideVars0+IDEVARS.wPortCtrl, dw DEVICE_ATA_DEFAULT_PORTCTRL ; Controller Control Block base port |
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[150] | 93 | at ROMVARS.ideVars0+IDEVARS.bDevice, db DEVICE_16BIT_ATA |
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[160] | 94 | at ROMVARS.ideVars0+IDEVARS.bIRQ, db 0 |
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[3] | 95 | at ROMVARS.ideVars0+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE |
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| 96 | at ROMVARS.ideVars0+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE |
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| 97 | |
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| 98 | at ROMVARS.ideVars1+IDEVARS.wPort, dw 170h ; Controller Command Block base port |
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| 99 | at ROMVARS.ideVars1+IDEVARS.wPortCtrl, dw 370h ; Controller Control Block base port |
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[150] | 100 | at ROMVARS.ideVars1+IDEVARS.bDevice, db DEVICE_16BIT_ATA |
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[160] | 101 | at ROMVARS.ideVars1+IDEVARS.bIRQ, db 0 |
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[3] | 102 | at ROMVARS.ideVars1+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE |
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| 103 | at ROMVARS.ideVars1+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE |
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| 104 | |
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[199] | 105 | at ROMVARS.ideVars2+IDEVARS.wPort, dw DEVICE_XTIDE_DEFAULT_PORT ; Controller Command Block base port |
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| 106 | at ROMVARS.ideVars2+IDEVARS.wPortCtrl, dw DEVICE_XTIDE_DEFAULT_PORTCTRL ; Controller Control Block base port |
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[150] | 107 | at ROMVARS.ideVars2+IDEVARS.bDevice, db DEVICE_8BIT_DUAL_PORT_XTIDE |
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| 108 | at ROMVARS.ideVars2+IDEVARS.bIRQ, db 0 |
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[3] | 109 | at ROMVARS.ideVars2+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE |
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| 110 | at ROMVARS.ideVars2+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE |
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[143] | 111 | |
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| 112 | at ROMVARS.ideVars3+IDEVARS.wPort, dw 168h ; Controller Command Block base port |
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| 113 | at ROMVARS.ideVars3+IDEVARS.wPortCtrl, dw 368h ; Controller Control Block base port |
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[150] | 114 | at ROMVARS.ideVars3+IDEVARS.bDevice, db DEVICE_16BIT_ATA |
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| 115 | at ROMVARS.ideVars3+IDEVARS.bIRQ, db 0 |
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[143] | 116 | at ROMVARS.ideVars3+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE |
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| 117 | at ROMVARS.ideVars3+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE |
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[175] | 118 | |
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| 119 | %ifdef MODULE_SERIAL |
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| 120 | at ROMVARS.ideVarsSerialAuto+IDEVARS.bDevice, db DEVICE_SERIAL_PORT |
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[181] | 121 | %endif |
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[3] | 122 | %else |
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| 123 | ;-----------------------------------; |
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| 124 | ; XT and XT+ Build default settings ; |
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| 125 | ;-----------------------------------; |
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[243] | 126 | at ROMVARS.wFlags, dw FLG_ROMVARS_DRVXLAT | MAIN_FLG_MODULE_SERIAL | MAIN_FLG_MODULE_EBIOS | MAIN_FLG_MODULE_JRIDE |
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[143] | 127 | at ROMVARS.wDisplayMode, dw DEFAULT_TEXT_MODE |
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[137] | 128 | at ROMVARS.wBootTimeout, dw 30 * TICKS_PER_SECOND ; Boot Menu selection timeout |
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[3] | 129 | at ROMVARS.bIdeCnt, db 1 ; Number of supported controllers |
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| 130 | at ROMVARS.bBootDrv, db 80h ; Boot Menu default drive |
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| 131 | at ROMVARS.bMinFddCnt, db 1 ; Assume at least 1 floppy drive present if autodetect fails |
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| 132 | at ROMVARS.bStealSize, db 1 ; Steal 1kB from base memory in full mode |
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| 133 | |
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[199] | 134 | at ROMVARS.ideVars0+IDEVARS.wPort, dw DEVICE_XTIDE_DEFAULT_PORT ; Controller Command Block base port |
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| 135 | at ROMVARS.ideVars0+IDEVARS.wPortCtrl, dw DEVICE_XTIDE_DEFAULT_PORTCTRL ; Controller Control Block base port |
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[150] | 136 | at ROMVARS.ideVars0+IDEVARS.bDevice, db DEVICE_8BIT_DUAL_PORT_XTIDE |
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[3] | 137 | at ROMVARS.ideVars0+IDEVARS.bIRQ, db 0 ; IRQ |
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| 138 | at ROMVARS.ideVars0+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE |
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| 139 | at ROMVARS.ideVars0+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE |
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[143] | 140 | |
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| 141 | at ROMVARS.ideVars1+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE |
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| 142 | at ROMVARS.ideVars1+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE |
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| 143 | |
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| 144 | at ROMVARS.ideVars2+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE |
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| 145 | at ROMVARS.ideVars2+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE |
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| 146 | |
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| 147 | at ROMVARS.ideVars3+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE |
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| 148 | at ROMVARS.ideVars3+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db FLG_DRVPARAMS_BLOCKMODE |
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[175] | 149 | |
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| 150 | %ifdef MODULE_SERIAL |
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| 151 | at ROMVARS.ideVarsSerialAuto+IDEVARS.bDevice, db DEVICE_SERIAL_PORT |
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[3] | 152 | %endif |
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[181] | 153 | %endif |
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[3] | 154 | iend |
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| 155 | |
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[181] | 156 | ; Libraries and data |
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| 157 | %include "AssemblyLibrary.asm" |
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[186] | 158 | %ifdef MODULE_STRINGS_COMPRESSED |
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| 159 | %include "StringsCompressed.asm" |
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| 160 | %else |
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[181] | 161 | %include "Strings.asm" ; For BIOS message strings |
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[186] | 162 | %endif |
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[3] | 163 | |
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[181] | 164 | ; Initialization and drive detection |
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| 165 | %include "Initialize.asm" ; For BIOS initialization |
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| 166 | %include "Interrupts.asm" ; For Interrupt initialization |
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| 167 | %include "RamVars.asm" ; For RAMVARS initialization and access |
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| 168 | %include "CreateDPT.asm" ; For creating DPTs |
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| 169 | %include "FindDPT.asm" ; For finding DPTs |
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| 170 | %include "AccessDPT.asm" ; For accessing DPTs |
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| 171 | %include "BootInfo.asm" ; For creating BOOTNFO structs |
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| 172 | %include "AtaID.asm" ; For ATA Identify Device information |
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| 173 | %include "DetectDrives.asm" ; For detecting IDE drives |
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| 174 | %include "DetectPrint.asm" ; For printing drive detection strings |
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[192] | 175 | |
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[181] | 176 | ; Boot menu |
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| 177 | %include "BootMenu.asm" ; For Boot Menu operations |
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| 178 | %include "BootMenuEvent.asm" ; For menu library event handling |
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[192] | 179 | ; NOTE: BootMenuPrint needs to come immediately after BootMenuEvent |
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| 180 | %include "BootMenuPrint.asm" ; For printing Boot Menu strings |
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| 181 | %include "BootPrint.asm" ; For printing boot information |
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| 182 | %include "BootMenuPrintCfg.asm" ; For printing hard disk configuration |
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[181] | 183 | %include "FloppyDrive.asm" ; Floppy Drive related functions |
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| 184 | %include "BootSector.asm" ; For loading boot sector |
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[3] | 185 | |
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[181] | 186 | ; Boot loader |
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[243] | 187 | %include "Int19h.asm" ; For Int 19h, Boot Loader |
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[3] | 188 | |
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[181] | 189 | ; For all device types |
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[192] | 190 | %include "Idepack.asm" |
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[181] | 191 | %include "Device.asm" |
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| 192 | %include "Timer.asm" ; For timeout and delay |
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[155] | 193 | |
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[181] | 194 | ; IDE Device support |
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[238] | 195 | %define IDEDEVICE Ide |
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| 196 | %define ASSEMBLE_SHARED_IDE_DEVICE_FUNCTIONS |
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| 197 | %include "IOMappedIDE.inc" ; Assembly IDE support for normal I/O mapped controllers |
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[181] | 198 | %include "IdeCommand.asm" |
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| 199 | %include "IdeTransfer.asm" ; Must be included after IdeCommand.asm |
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[192] | 200 | %include "IdeWait.asm" |
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| 201 | %include "IdeError.asm" ; Must be included after IdeWait.asm |
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[181] | 202 | %include "IdeDPT.asm" |
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| 203 | %include "IdeIO.asm" |
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| 204 | %include "IdeIrq.asm" |
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[238] | 205 | %undef IDEDEVICE |
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| 206 | %undef ASSEMBLE_SHARED_IDE_DEVICE_FUNCTIONS |
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[155] | 207 | |
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[238] | 208 | ; JR-IDE support |
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| 209 | %ifdef MODULE_JRIDE |
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| 210 | %define IDEDEVICE MemIde |
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| 211 | %include "MemMappedIDE.inc" ; Assembly IDE support for memory mapped controllers |
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| 212 | %include "IdeCommand.asm" |
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| 213 | %include "MemIdeTransfer.asm" ; Must be included after IdeCommand.asm |
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| 214 | %include "IdeWait.asm" |
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| 215 | %include "IdeError.asm" ; Must be included after IdeWait.asm |
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| 216 | %undef IDEDEVICE |
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| 217 | %endif |
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| 218 | |
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| 219 | |
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[181] | 220 | %ifdef MODULE_SERIAL ; Serial Port Device support |
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| 221 | %include "SerialCommand.asm" |
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| 222 | %include "SerialDPT.asm" |
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[175] | 223 | %endif |
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[155] | 224 | |
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[181] | 225 | ; INT 13h Hard Disk BIOS functions |
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| 226 | %include "Int13h.asm" ; For Int 13h, Disk functions |
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| 227 | %include "AH0h_HReset.asm" ; Required by Int13h_Jump.asm |
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| 228 | %include "AH1h_HStatus.asm" ; Required by Int13h_Jump.asm |
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| 229 | %include "AH2h_HRead.asm" ; Required by Int13h_Jump.asm |
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| 230 | %include "AH3h_HWrite.asm" ; Required by Int13h_Jump.asm |
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| 231 | %include "AH4h_HVerify.asm" ; Required by Int13h_Jump.asm |
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| 232 | %include "AH8h_HParams.asm" ; Required by Int13h_Jump.asm |
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| 233 | %include "AH9h_HInit.asm" ; Required by Int13h_Jump.asm |
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| 234 | %include "AHCh_HSeek.asm" ; Required by Int13h_Jump.asm |
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| 235 | %include "AHDh_HReset.asm" ; Required by Int13h_Jump.asm |
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| 236 | %include "AH10h_HReady.asm" ; Required by Int13h_Jump.asm |
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| 237 | %include "AH11h_HRecal.asm" ; Required by Int13h_Jump.asm |
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| 238 | %include "AH15h_HSize.asm" ; Required by Int13h_Jump.asm |
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| 239 | %include "AH23h_HFeatures.asm" ; Required by Int13h_Jump.asm |
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| 240 | %include "AH24h_HSetBlocks.asm" ; Required by Int13h_Jump.asm |
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| 241 | %include "AH25h_HDrvID.asm" ; Required by Int13h_Jump.asm |
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[221] | 242 | %include "DriveXlate.asm" ; For swapping drive numbers |
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| 243 | %include "Address.asm" ; For sector address translations |
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| 244 | %include "Prepare.asm" ; For buffer pointer normalization |
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[176] | 245 | %ifdef MODULE_EBIOS |
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[181] | 246 | %include "AH42h_ExtendedReadSectors.asm" |
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| 247 | %include "AH43h_ExtendedWriteSectors.asm" |
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| 248 | %include "AH44h_ExtendedVerifySectors.asm" |
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| 249 | %include "AH47h_ExtendedSeek.asm" |
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| 250 | %include "AH48h_GetExtendedDriveParameters.asm" |
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[221] | 251 | %include "AH41h_CheckIfExtensionsPresent.asm" |
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[176] | 252 | %endif |
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[3] | 253 | |
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| 254 | |
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| 255 | ; Fill with zeroes until size is what we want |
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[88] | 256 | ;times (CNT_ROM_BLOCKS*512)-($-$$) db 0 |
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