[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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[277] | 18 |
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| 19 | %ifdef MODULE_SERIAL
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| 20 | %define INCLUDE_SERIALSERVER_LIBRARY
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| 21 | %endif
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[183] | 22 |
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[181] | 23 | ; Included .inc files
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| 24 | %include "AssemblyLibrary.inc" ; Assembly Library. Must be included first!
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| 25 | %include "IntController.inc" ; For Interrupt Controller equates
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| 26 | %include "ATA_ID.inc" ; For ATA Drive Information structs
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| 27 | %include "IdeRegisters.inc" ; For ATA Registers, flags and commands
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| 28 | %include "Int13h.inc" ; Equates for INT 13h functions
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[176] | 29 | %ifdef MODULE_EBIOS
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[181] | 30 | %include "EBIOS.inc" ; Equates for EBIOS functions
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[176] | 31 | %endif
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[181] | 32 | %include "CustomDPT.inc" ; For Disk Parameter Table
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| 33 | %include "RomVars.inc" ; For ROMVARS and IDEVARS structs
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| 34 | %include "RamVars.inc" ; For RAMVARS struct
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[254] | 35 | %include "BootVars.inc" ; For BOOTVARS struct
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[181] | 36 | %include "BootMenu.inc" ; For Boot Menu
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| 37 | %include "IDE_8bit.inc" ; For IDE 8-bit data port macros
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| 38 | %include "DeviceIDE.inc" ; For IDE device equates
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[3] | 39 |
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| 40 |
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| 41 | ; Section containing code
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| 42 | SECTION .text
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| 43 |
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| 44 | ; ROM variables (must start at offset 0)
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[239] | 45 | CNT_ROM_BLOCKS EQU ROMSIZE / 512 ; number of 512B blocks, 16 = 8kB BIOS
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[3] | 46 | istruc ROMVARS
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| 47 | at ROMVARS.wRomSign, dw 0AA55h ; PC ROM signature
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| 48 | at ROMVARS.bRomSize, db CNT_ROM_BLOCKS ; ROM size in 512B blocks
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[181] | 49 | at ROMVARS.rgbJump, jmp Initialize_FromMainBiosRomSearch
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[276] | 50 | at ROMVARS.rgbSign, db "XTIDE200" ; Signature for flash program
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[3] | 51 | at ROMVARS.szTitle
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| 52 | db "-=XTIDE Universal BIOS"
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| 53 | %ifdef USE_AT
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[88] | 54 | db " (AT)=-",NULL
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[3] | 55 | %elifdef USE_186
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[88] | 56 | db " (XT+)=-",NULL
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[3] | 57 | %else
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[88] | 58 | db " (XT)=-",NULL
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[3] | 59 | %endif
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[288] | 60 | at ROMVARS.szVersion, db "v2.0.0",BETA," (",__DATE__,")",NULL
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[3] | 61 |
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[179] | 62 | ;;; For OR'ing into wFlags below
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[181] | 63 | ;;;
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[179] | 64 | %ifdef MODULE_SERIAL
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[181] | 65 | MAIN_FLG_MODULE_SERIAL equ FLG_ROMVARS_MODULE_SERIAL
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[179] | 66 | %else
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[181] | 67 | MAIN_FLG_MODULE_SERIAL equ 0
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[179] | 68 | %endif
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| 69 |
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| 70 | %ifdef MODULE_EBIOS
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[181] | 71 | MAIN_FLG_MODULE_EBIOS equ FLG_ROMVARS_MODULE_EBIOS
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[179] | 72 | %else
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[181] | 73 | MAIN_FLG_MODULE_EBIOS equ 0
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[179] | 74 | %endif
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| 75 |
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[243] | 76 | %ifdef MODULE_JRIDE
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| 77 | MAIN_FLG_MODULE_JRIDE equ FLG_ROMVARS_MODULE_JRIDE
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| 78 | %else
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| 79 | MAIN_FLG_MODULE_JRIDE equ 0
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| 80 | %endif
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| 81 |
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| 82 |
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[3] | 83 | ;---------------------------;
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| 84 | ; AT Build default settings ;
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| 85 | ;---------------------------;
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| 86 | %ifdef USE_AT
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[243] | 87 | 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] | 88 | at ROMVARS.wDisplayMode, dw DEFAULT_TEXT_MODE
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[137] | 89 | at ROMVARS.wBootTimeout, dw 30 * TICKS_PER_SECOND ; Boot Menu selection timeout
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[150] | 90 | at ROMVARS.bIdeCnt, db 4 ; Number of supported controllers
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[3] | 91 | at ROMVARS.bBootDrv, db 80h ; Boot Menu default drive
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| 92 | at ROMVARS.bMinFddCnt, db 0 ; Do not force minimum number of floppy drives
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| 93 | at ROMVARS.bStealSize, db 1 ; Steal 1kB from base memory
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| 94 |
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[199] | 95 | at ROMVARS.ideVars0+IDEVARS.wPort, dw DEVICE_ATA_DEFAULT_PORT ; Controller Command Block base port
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| 96 | at ROMVARS.ideVars0+IDEVARS.wPortCtrl, dw DEVICE_ATA_DEFAULT_PORTCTRL ; Controller Control Block base port
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[150] | 97 | at ROMVARS.ideVars0+IDEVARS.bDevice, db DEVICE_16BIT_ATA
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[160] | 98 | at ROMVARS.ideVars0+IDEVARS.bIRQ, db 0
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[276] | 99 | at ROMVARS.ideVars0+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
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| 100 | at ROMVARS.ideVars0+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
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[3] | 101 |
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| 102 | at ROMVARS.ideVars1+IDEVARS.wPort, dw 170h ; Controller Command Block base port
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| 103 | at ROMVARS.ideVars1+IDEVARS.wPortCtrl, dw 370h ; Controller Control Block base port
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[150] | 104 | at ROMVARS.ideVars1+IDEVARS.bDevice, db DEVICE_16BIT_ATA
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[160] | 105 | at ROMVARS.ideVars1+IDEVARS.bIRQ, db 0
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[276] | 106 | at ROMVARS.ideVars1+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
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| 107 | at ROMVARS.ideVars1+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
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[3] | 108 |
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[199] | 109 | at ROMVARS.ideVars2+IDEVARS.wPort, dw DEVICE_XTIDE_DEFAULT_PORT ; Controller Command Block base port
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| 110 | at ROMVARS.ideVars2+IDEVARS.wPortCtrl, dw DEVICE_XTIDE_DEFAULT_PORTCTRL ; Controller Control Block base port
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[150] | 111 | at ROMVARS.ideVars2+IDEVARS.bDevice, db DEVICE_8BIT_DUAL_PORT_XTIDE
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| 112 | at ROMVARS.ideVars2+IDEVARS.bIRQ, db 0
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[276] | 113 | at ROMVARS.ideVars2+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
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| 114 | at ROMVARS.ideVars2+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
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[143] | 115 |
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| 116 | at ROMVARS.ideVars3+IDEVARS.wPort, dw 168h ; Controller Command Block base port
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| 117 | at ROMVARS.ideVars3+IDEVARS.wPortCtrl, dw 368h ; Controller Control Block base port
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[150] | 118 | at ROMVARS.ideVars3+IDEVARS.bDevice, db DEVICE_16BIT_ATA
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| 119 | at ROMVARS.ideVars3+IDEVARS.bIRQ, db 0
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[276] | 120 | at ROMVARS.ideVars3+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
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| 121 | at ROMVARS.ideVars3+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
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[175] | 122 |
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| 123 | %ifdef MODULE_SERIAL
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| 124 | at ROMVARS.ideVarsSerialAuto+IDEVARS.bDevice, db DEVICE_SERIAL_PORT
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[181] | 125 | %endif
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[3] | 126 | %else
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| 127 | ;-----------------------------------;
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| 128 | ; XT and XT+ Build default settings ;
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| 129 | ;-----------------------------------;
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[243] | 130 | at ROMVARS.wFlags, dw FLG_ROMVARS_DRVXLAT | MAIN_FLG_MODULE_SERIAL | MAIN_FLG_MODULE_EBIOS | MAIN_FLG_MODULE_JRIDE
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[143] | 131 | at ROMVARS.wDisplayMode, dw DEFAULT_TEXT_MODE
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[137] | 132 | at ROMVARS.wBootTimeout, dw 30 * TICKS_PER_SECOND ; Boot Menu selection timeout
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[3] | 133 | at ROMVARS.bIdeCnt, db 1 ; Number of supported controllers
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| 134 | at ROMVARS.bBootDrv, db 80h ; Boot Menu default drive
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| 135 | at ROMVARS.bMinFddCnt, db 1 ; Assume at least 1 floppy drive present if autodetect fails
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| 136 | at ROMVARS.bStealSize, db 1 ; Steal 1kB from base memory in full mode
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| 137 |
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[285] | 138 | at ROMVARS.ideVars0+IDEVARS.wPort, dw DEVICE_XTIDE_DEFAULT_PORT ; Controller Command Block base port
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| 139 | at ROMVARS.ideVars0+IDEVARS.wPortCtrl, dw DEVICE_XTIDE_DEFAULT_PORTCTRL ; Controller Control Block base port
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[273] | 140 | %ifdef MODULE_JRIDE
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| 141 | at ROMVARS.ideVars0+IDEVARS.bDevice, db DEVICE_JRIDE_ISA
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| 142 | %else
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[150] | 143 | at ROMVARS.ideVars0+IDEVARS.bDevice, db DEVICE_8BIT_DUAL_PORT_XTIDE
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[273] | 144 | %endif
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[3] | 145 | at ROMVARS.ideVars0+IDEVARS.bIRQ, db 0 ; IRQ
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[276] | 146 | at ROMVARS.ideVars0+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
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| 147 | at ROMVARS.ideVars0+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
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[143] | 148 |
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[276] | 149 | at ROMVARS.ideVars1+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
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| 150 | at ROMVARS.ideVars1+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
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[143] | 151 |
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[276] | 152 | at ROMVARS.ideVars2+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
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| 153 | at ROMVARS.ideVars2+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
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[143] | 154 |
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[276] | 155 | at ROMVARS.ideVars3+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
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| 156 | at ROMVARS.ideVars3+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE
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[175] | 157 |
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| 158 | %ifdef MODULE_SERIAL
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| 159 | at ROMVARS.ideVarsSerialAuto+IDEVARS.bDevice, db DEVICE_SERIAL_PORT
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[3] | 160 | %endif
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[181] | 161 | %endif
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[3] | 162 | iend
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| 163 |
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[248] | 164 | ; Libraries, data, Initialization and drive detection
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[181] | 165 | %include "AssemblyLibrary.asm"
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[248] | 166 | %include "Initialize.asm" ; For BIOS initialization
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| 167 | %include "Interrupts.asm" ; For Interrupt initialization
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| 168 | %include "RamVars.asm" ; For RAMVARS initialization and access
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[285] | 169 | %include "CreateDPT.asm" ; For creating DPTs
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| 170 | %include "FindDPT.asm" ; For finding DPTs
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[186] | 171 | %ifdef MODULE_STRINGS_COMPRESSED
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| 172 | %include "StringsCompressed.asm"
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| 173 | %else
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[181] | 174 | %include "Strings.asm" ; For BIOS message strings
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[186] | 175 | %endif
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[181] | 176 | %include "AccessDPT.asm" ; For accessing DPTs
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[254] | 177 | %include "BootMenuInfo.asm" ; For creating BOOTMENUINFO structs
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[181] | 178 | %include "AtaID.asm" ; For ATA Identify Device information
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| 179 | %include "DetectDrives.asm" ; For detecting IDE drives
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| 180 | %include "DetectPrint.asm" ; For printing drive detection strings
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[248] | 181 |
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[181] | 182 | ; Boot menu
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| 183 | %include "BootMenu.asm" ; For Boot Menu operations
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| 184 | %include "BootMenuEvent.asm" ; For menu library event handling
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[192] | 185 | ; NOTE: BootMenuPrint needs to come immediately after BootMenuEvent
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[258] | 186 | ; so that jump table entries in BootMenuEvent stay within 8-bits
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| 187 | %include "BootMenuPrint.asm" ; For printing Boot Menu strings, also includes "BootMenuPrintCfg.asm"
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[192] | 188 | %include "BootPrint.asm" ; For printing boot information
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[181] | 189 | %include "FloppyDrive.asm" ; Floppy Drive related functions
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| 190 | %include "BootSector.asm" ; For loading boot sector
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[3] | 191 |
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[181] | 192 | ; Boot loader
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[243] | 193 | %include "Int19h.asm" ; For Int 19h, Boot Loader
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[3] | 194 |
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[181] | 195 | ; For all device types
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[192] | 196 | %include "Idepack.asm"
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[181] | 197 | %include "Device.asm"
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| 198 | %include "Timer.asm" ; For timeout and delay
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[155] | 199 |
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[181] | 200 | ; IDE Device support
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[238] | 201 | %define IDEDEVICE Ide
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| 202 | %define ASSEMBLE_SHARED_IDE_DEVICE_FUNCTIONS
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| 203 | %include "IOMappedIDE.inc" ; Assembly IDE support for normal I/O mapped controllers
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[181] | 204 | %include "IdeCommand.asm"
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| 205 | %include "IdeTransfer.asm" ; Must be included after IdeCommand.asm
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[192] | 206 | %include "IdeWait.asm"
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| 207 | %include "IdeError.asm" ; Must be included after IdeWait.asm
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[181] | 208 | %include "IdeDPT.asm"
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| 209 | %include "IdeIO.asm"
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| 210 | %include "IdeIrq.asm"
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[238] | 211 | %undef IDEDEVICE
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| 212 | %undef ASSEMBLE_SHARED_IDE_DEVICE_FUNCTIONS
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[155] | 213 |
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[238] | 214 | ; JR-IDE support
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| 215 | %ifdef MODULE_JRIDE
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| 216 | %define IDEDEVICE MemIde
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| 217 | %include "MemMappedIDE.inc" ; Assembly IDE support for memory mapped controllers
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| 218 | %include "IdeCommand.asm"
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| 219 | %include "MemIdeTransfer.asm" ; Must be included after IdeCommand.asm
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| 220 | %include "IdeWait.asm"
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| 221 | %include "IdeError.asm" ; Must be included after IdeWait.asm
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| 222 | %undef IDEDEVICE
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| 223 | %endif
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| 224 |
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| 225 |
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[181] | 226 | %ifdef MODULE_SERIAL ; Serial Port Device support
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| 227 | %include "SerialCommand.asm"
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| 228 | %include "SerialDPT.asm"
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[175] | 229 | %endif
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[155] | 230 |
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[181] | 231 | ; INT 13h Hard Disk BIOS functions
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| 232 | %include "Int13h.asm" ; For Int 13h, Disk functions
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| 233 | %include "AH0h_HReset.asm" ; Required by Int13h_Jump.asm
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| 234 | %include "AH1h_HStatus.asm" ; Required by Int13h_Jump.asm
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| 235 | %include "AH2h_HRead.asm" ; Required by Int13h_Jump.asm
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| 236 | %include "AH3h_HWrite.asm" ; Required by Int13h_Jump.asm
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| 237 | %include "AH4h_HVerify.asm" ; Required by Int13h_Jump.asm
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| 238 | %include "AH8h_HParams.asm" ; Required by Int13h_Jump.asm
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| 239 | %include "AH9h_HInit.asm" ; Required by Int13h_Jump.asm
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| 240 | %include "AHCh_HSeek.asm" ; Required by Int13h_Jump.asm
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| 241 | %include "AHDh_HReset.asm" ; Required by Int13h_Jump.asm
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| 242 | %include "AH10h_HReady.asm" ; Required by Int13h_Jump.asm
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| 243 | %include "AH11h_HRecal.asm" ; Required by Int13h_Jump.asm
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| 244 | %include "AH15h_HSize.asm" ; Required by Int13h_Jump.asm
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| 245 | %include "AH23h_HFeatures.asm" ; Required by Int13h_Jump.asm
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| 246 | %include "AH24h_HSetBlocks.asm" ; Required by Int13h_Jump.asm
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| 247 | %include "AH25h_HDrvID.asm" ; Required by Int13h_Jump.asm
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[221] | 248 | %include "DriveXlate.asm" ; For swapping drive numbers
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| 249 | %include "Address.asm" ; For sector address translations
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| 250 | %include "Prepare.asm" ; For buffer pointer normalization
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[176] | 251 | %ifdef MODULE_EBIOS
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[181] | 252 | %include "AH42h_ExtendedReadSectors.asm"
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| 253 | %include "AH43h_ExtendedWriteSectors.asm"
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| 254 | %include "AH44h_ExtendedVerifySectors.asm"
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| 255 | %include "AH47h_ExtendedSeek.asm"
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| 256 | %include "AH48h_GetExtendedDriveParameters.asm"
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[221] | 257 | %include "AH41h_CheckIfExtensionsPresent.asm"
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[176] | 258 | %endif
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