1 | ; Project name : XTIDE Universal BIOS
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2 | ; Authors : Tomi Tilli
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3 | ; : aitotat@gmail.com
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4 | ; :
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5 | ; : Greg Lindhorst
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6 | ; : gregli@hotmail.com
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7 | ; ;
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8 | ; : Krister Nordvall
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9 | ; : krille_n_@hotmail.com
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10 | ; :
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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 | ;
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16 | ; XTIDE Universal BIOS and Associated Tools
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17 | ; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2012 by XTIDE Universal BIOS Team.
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18 | ;
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19 | ; This program is free software; you can redistribute it and/or modify
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20 | ; it under the terms of the GNU General Public License as published by
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21 | ; the Free Software Foundation; either version 2 of the License, or
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22 | ; (at your option) any later version.
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23 | ;
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24 | ; This program is distributed in the hope that it will be useful,
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25 | ; but WITHOUT ANY WARRANTY; without even the implied warranty of
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26 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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27 | ; GNU General Public License for more details.
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28 | ; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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29 | ;
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30 |
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31 | ORG 0 ; Code start offset 0000h
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32 |
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33 | ; We must define included libraries before including "AssemblyLibrary.inc".
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34 | %define EXCLUDE_FROM_XTIDE_UNIVERSAL_BIOS ; Exclude unused library functions
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35 | %ifdef MODULE_BOOT_MENU
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36 | %define MENUEVENT_INLINE_OFFSETS ; Only one menu required, save space and inline offsets
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37 | %define INCLUDE_MENU_LIBRARY
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38 |
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39 | %else ; If no boot menu included
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40 | %define INCLUDE_DISPLAY_LIBRARY
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41 | %define INCLUDE_KEYBOARD_LIBRARY
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42 | %define INCLUDE_TIME_LIBRARY
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43 | %endif
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44 |
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45 |
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46 | ; Included .inc files
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47 | %include "AssemblyLibrary.inc" ; Assembly Library. Must be included first!
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48 | %include "ModuleDependency.inc" ; Dependency checks for optional modules
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49 | %include "Version.inc"
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50 | %include "ATA_ID.inc" ; For ATA Drive Information structs
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51 | %include "IdeRegisters.inc" ; For ATA Registers, flags and commands
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52 | %include "Int13h.inc" ; Equates for INT 13h functions
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53 | %include "CustomDPT.inc" ; For Disk Parameter Table
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54 | %include "RomVars.inc" ; For ROMVARS and IDEVARS structs
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55 | %include "RamVars.inc" ; For RAMVARS struct
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56 | %include "BootVars.inc" ; For BOOTVARS struct
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57 | %include "IdeIO.inc" ; Macros for IDE port I/O
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58 | %include "DeviceIDE.inc" ; For IDE device equates
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59 |
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60 |
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61 |
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62 | ; Section containing code
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63 | SECTION .text
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64 |
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65 | ; ROM variables (must start at offset 0)
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66 | CNT_ROM_BLOCKS EQU ROMSIZE / 512 ; number of 512B blocks, 16 = 8kB BIOS
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67 | istruc ROMVARS
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68 | at ROMVARS.wRomSign, dw 0AA55h ; PC ROM signature
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69 | at ROMVARS.bRomSize, db CNT_ROM_BLOCKS ; ROM size in 512B blocks
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70 | at ROMVARS.rgbJump, jmp Initialize_FromMainBiosRomSearch
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71 | at ROMVARS.rgbSign, db FLASH_SIGNATURE
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72 | at ROMVARS.szTitle, db TITLE_STRING
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73 | at ROMVARS.szVersion, db ROM_VERSION_STRING
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74 |
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75 | ;---------------------------;
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76 | ; AT Build default settings ;
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77 | ;---------------------------;
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78 | %ifdef USE_AT
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79 | at ROMVARS.wFlags, dw FLG_ROMVARS_FULLMODE | MASK_ROMVARS_INCLUDED_MODULES
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80 | at ROMVARS.wDisplayMode, dw DEFAULT_TEXT_MODE
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81 | %ifdef MODULE_BOOT_MENU
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82 | at ROMVARS.wBootTimeout, dw BOOT_MENU_DEFAULT_TIMEOUT
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83 | %endif
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84 | at ROMVARS.bIdeCnt, db 3 ; Number of supported controllers
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85 | at ROMVARS.bBootDrv, db 80h ; Boot Menu default drive
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86 | at ROMVARS.bMinFddCnt, db 0 ; Do not force minimum number of floppy drives
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87 | at ROMVARS.bStealSize, db 1 ; Steal 1kB from base memory
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88 | at ROMVARS.bIdleTimeout, db 0 ; Standby timer disabled by default
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89 |
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90 | at ROMVARS.ideVars0+IDEVARS.wBasePort, dw DEVICE_ATA_PRIMARY_PORT ; Controller Command Block base port
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91 | at ROMVARS.ideVars0+IDEVARS.wControlBlockPort, dw DEVICE_ATA_PRIMARY_PORTCTRL ; Controller Control Block base port
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92 | at ROMVARS.ideVars0+IDEVARS.bDevice, db DEVICE_16BIT_ATA
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93 | at ROMVARS.ideVars0+IDEVARS.bIRQ, db 0
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94 | at ROMVARS.ideVars0+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, dw DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
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95 | at ROMVARS.ideVars0+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, dw DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
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96 |
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97 | at ROMVARS.ideVars1+IDEVARS.bXTCFcontrolRegister, db 0
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98 | at ROMVARS.ideVars1+IDEVARS.bDevice, db DEVICE_8BIT_XTCF_PIO8
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99 | ;at ROMVARS.ideVars1+IDEVARS.wBasePort, dw DEVICE_ATA_SECONDARY_PORT
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100 | ;at ROMVARS.ideVars1+IDEVARS.wControlBlockPort, dw DEVICE_ATA_SECONDARY_PORTCTRL
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101 | ;at ROMVARS.ideVars1+IDEVARS.bDevice, db DEVICE_16BIT_ATA
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102 | ;at ROMVARS.ideVars1+IDEVARS.bIRQ, db 0
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103 | at ROMVARS.ideVars1+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, dw DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
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104 | at ROMVARS.ideVars1+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, dw DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
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105 |
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106 | ;at ROMVARS.ideVars2+IDEVARS.wBasePort, dw DEVICE_ATA_TERTIARY_PORT
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107 | ;at ROMVARS.ideVars2+IDEVARS.wControlBlockPort, dw DEVICE_ATA_TERTIARY_PORTCTRL
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108 | ;at ROMVARS.ideVars2+IDEVARS.bDevice, db DEVICE_16BIT_ATA
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109 | at ROMVARS.ideVars2+IDEVARS.wBasePort, dw 0D800h
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110 | at ROMVARS.ideVars2+IDEVARS.wControlBlockPort, dw 0
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111 | at ROMVARS.ideVars2+IDEVARS.bDevice, db DEVICE_8BIT_JRIDE_ISA
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112 | at ROMVARS.ideVars2+IDEVARS.bIRQ, db 0
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113 | at ROMVARS.ideVars2+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, dw DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
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114 | at ROMVARS.ideVars2+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, dw DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
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115 |
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116 | at ROMVARS.ideVars3+IDEVARS.wBasePort, dw DEVICE_ATA_QUATERNARY_PORT
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117 | at ROMVARS.ideVars3+IDEVARS.wControlBlockPort, dw DEVICE_ATA_QUATERNARY_PORTCTRL
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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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120 | at ROMVARS.ideVars3+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, dw DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
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121 | at ROMVARS.ideVars3+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, dw DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
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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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125 | %endif
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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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130 | at ROMVARS.wFlags, dw MASK_ROMVARS_INCLUDED_MODULES
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131 | at ROMVARS.wDisplayMode, dw DEFAULT_TEXT_MODE
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132 | %ifdef MODULE_BOOT_MENU
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133 | at ROMVARS.wBootTimeout, dw BOOT_MENU_DEFAULT_TIMEOUT
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134 | %endif
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135 | at ROMVARS.bIdeCnt, db 2 ; Number of supported controllers
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136 | at ROMVARS.bBootDrv, db 80h ; Boot Menu default drive
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137 | at ROMVARS.bMinFddCnt, db 0 ; Do not force minimum number of floppy drives
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138 | at ROMVARS.bStealSize, db 1 ; Steal 1kB from base memory in full mode
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139 | at ROMVARS.bIdleTimeout, db 0 ; Standby timer disabled by default
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140 |
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141 | at ROMVARS.ideVars0+IDEVARS.wBasePort, dw DEVICE_XTIDE_DEFAULT_PORT ; Controller Command Block base port
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142 | at ROMVARS.ideVars0+IDEVARS.wControlBlockPort, dw DEVICE_XTIDE_DEFAULT_PORTCTRL ; Controller Control Block base port
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143 | at ROMVARS.ideVars0+IDEVARS.bDevice, db DEVICE_8BIT_XTIDE_REV1
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144 | at ROMVARS.ideVars0+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
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145 | at ROMVARS.ideVars0+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
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146 |
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147 | at ROMVARS.ideVars1+IDEVARS.bXTCFcontrolRegister, db 0
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148 | at ROMVARS.ideVars1+IDEVARS.bDevice, db DEVICE_8BIT_XTCF_PIO8
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149 | at ROMVARS.ideVars1+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
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150 | at ROMVARS.ideVars1+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
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151 |
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152 | at ROMVARS.ideVars2+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
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153 | at ROMVARS.ideVars2+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
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154 |
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155 | at ROMVARS.ideVars3+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
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156 | at ROMVARS.ideVars3+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags, db DISABLE_WRITE_CACHE | FLG_DRVPARAMS_BLOCKMODE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION)
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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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160 | %endif
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161 | %endif
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162 | iend
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163 |
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164 | ; Strings are first to avoid them moving unnecessarily when code is turned on and off with %ifdef's
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165 | ; since some groups of strings need to be on the same 256-byte page.
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166 | ;
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167 | %ifdef MODULE_STRINGS_COMPRESSED
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168 | %define STRINGSCOMPRESSED_STRINGS
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169 | %include "StringsCompressed.asm"
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170 | %else
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171 | %include "Strings.asm" ; For BIOS message strings
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172 | %endif
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173 |
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174 | ; Libraries, data, Initialization and drive detection
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175 |
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176 | %include "AssemblyLibrary.asm"
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177 |
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178 | ; String compression tables need to come after the AssemblyLibrary (since they depend on addresses
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179 | ; established in the assembly library), and are unnecessary if strings are not compressed.
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180 | ;
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181 | %ifdef MODULE_STRINGS_COMPRESSED
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182 | %undef STRINGSCOMPRESSED_STRINGS
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183 | %define STRINGSCOMPRESSED_TABLES
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184 | %include "StringsCompressed.asm"
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185 | %endif
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186 |
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187 | %include "Initialize.asm" ; For BIOS initialization
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188 | %include "Interrupts.asm" ; For Interrupt initialization
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189 | %include "RamVars.asm" ; For RAMVARS initialization and access
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190 | %include "BootVars.asm" ; For initializing variables used during init and boot
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191 | %include "FloppyDrive.asm" ; Floppy Drive related functions
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192 | %include "CreateDPT.asm" ; For creating DPTs
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193 | %include "FindDPT.asm" ; For finding DPTs
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194 | %include "AccessDPT.asm" ; For accessing DPTs
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195 | %include "AtaGeometry.asm" ; For generating L-CHS parameters
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196 | %include "DrvDetectInfo.asm" ; For creating DRVDETECTINFO structs
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197 | %include "AtaID.asm" ; For ATA Identify Device information
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198 | %include "DetectDrives.asm" ; For detecting IDE drives
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199 | %include "DetectPrint.asm" ; For printing drive detection strings
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200 |
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201 | ; Hotkey Bar
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202 | %ifdef MODULE_HOTKEYS
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203 | %include "HotkeyBar.asm" ; For hotkeys during drive detection and boot menu
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204 | %include "DriveXlate.asm" ; For swapping drive numbers
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205 | %endif
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206 |
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207 | ; Boot menu
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208 | %ifdef MODULE_BOOT_MENU
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209 | %include "BootMenu.asm" ; For Boot Menu operations
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210 | %include "BootMenuEvent.asm" ; For menu library event handling
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211 | ; NOTE: BootMenuPrint needs to come immediately after BootMenuEvent
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212 | ; so that jump table entries in BootMenuEvent stay within 8-bits
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213 | %include "BootMenuPrint.asm" ; For printing Boot Menu strings, also includes "BootMenuPrintCfg.asm"
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214 | %endif
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215 |
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216 | ; Boot loader
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217 | %include "Int19h.asm" ; For Int 19h, Boot Loader
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218 | %include "Int19hReset.asm" ; INT 19h handler for proper system reset
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219 | %include "BootSector.asm" ; For loading boot sector
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220 |
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221 | ; For all device types
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222 | %include "Idepack.asm"
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223 | %include "Device.asm"
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224 | %include "Timer.asm" ; For timeout and delay
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225 |
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226 | ; IDE Device support
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227 | %ifdef MODULE_ADVANCED_ATA
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228 | %include "AdvAtaInit.asm" ; For initializing VLB and PCI controllers
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229 | %include "Vision.asm" ; QDI Vision QD6500 and QD6580 support
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230 | %endif
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231 | %include "IdeCommand.asm"
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232 | %ifdef MODULE_8BIT_IDE
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233 | %include "JrIdeTransfer.asm" ; Must be included after IdeCommand.asm
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234 | %include "IdeDmaTransfer.asm"
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235 | %endif
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236 | %include "IdeTransfer.asm"
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237 | %include "IdePioBlock.asm"
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238 | %include "IdeWait.asm"
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239 | %include "IdeError.asm" ; Must be included after IdeWait.asm
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240 | %include "IdeDPT.asm"
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241 | %include "IdeIO.asm"
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242 | %ifdef MODULE_IRQ
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243 | %include "IdeIrq.asm"
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244 | %endif
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245 |
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246 | ; Serial Device support
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247 | %ifdef MODULE_SERIAL ; Serial Port Device support
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248 | %include "SerialCommand.asm"
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249 | %include "SerialDPT.asm"
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250 | %endif
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251 |
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252 | ; INT 13h Hard Disk BIOS functions
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253 | %include "Int13h.asm" ; For Int 13h, Disk functions
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254 | %include "AH0h_HReset.asm" ; Required by Int13h_Jump.asm
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255 | %include "AH1h_HStatus.asm" ; Required by Int13h_Jump.asm
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256 | %include "AH2h_HRead.asm" ; Required by Int13h_Jump.asm
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257 | %include "AH3h_HWrite.asm" ; Required by Int13h_Jump.asm
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258 | %include "AH4h_HVerify.asm" ; Required by Int13h_Jump.asm
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259 | %include "AH8h_HParams.asm" ; Required by Int13h_Jump.asm
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260 | %include "AH9h_HInit.asm" ; Required by Int13h_Jump.asm
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261 | %include "AHCh_HSeek.asm" ; Required by Int13h_Jump.asm
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262 | %include "AHDh_HReset.asm" ; Required by Int13h_Jump.asm
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263 | %include "AH10h_HReady.asm" ; Required by Int13h_Jump.asm
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264 | %include "AH11h_HRecal.asm" ; Required by Int13h_Jump.asm
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265 | %include "AH15h_HSize.asm" ; Required by Int13h_Jump.asm
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266 | %ifdef MODULE_8BIT_IDE
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267 | %include "AH1Eh_XTCF.asm"
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268 | %endif
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269 | %include "AH23h_HFeatures.asm" ; Required by Int13h_Jump.asm
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270 | %include "AH24h_HSetBlocks.asm" ; Required by Int13h_Jump.asm
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271 | %include "AH25h_HDrvID.asm" ; Required by Int13h_Jump.asm
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272 | %include "Address.asm" ; For sector address translations
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273 | %include "Prepare.asm" ; For buffer pointer normalization
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274 | %ifdef MODULE_EBIOS
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275 | %include "AH42h_ExtendedReadSectors.asm"
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276 | %include "AH43h_ExtendedWriteSectors.asm"
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277 | %include "AH44h_ExtendedVerifySectors.asm"
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278 | %include "AH47h_ExtendedSeek.asm"
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279 | %include "AH48h_GetExtendedDriveParameters.asm"
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280 | %include "AH41h_CheckIfExtensionsPresent.asm"
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281 | %endif
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