| 1 | ; Project name : XTIDE Universal BIOS Configurator v2
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| 2 | ; Description : Functions to automatically configure XTIDE
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| 3 | ; Universal BIOS for current system.
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| 4 |
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| 5 | ;
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| 6 | ; XTIDE Universal BIOS and Associated Tools
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| 7 | ; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2013 by XTIDE Universal BIOS Team.
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| 8 | ;
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| 9 | ; This program is free software; you can redistribute it and/or modify
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| 10 | ; it under the terms of the GNU General Public License as published by
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| 11 | ; the Free Software Foundation; either version 2 of the License, or
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| 12 | ; (at your option) any later version.
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| 13 | ;
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| 14 | ; This program is distributed in the hope that it will be useful,
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| 15 | ; but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 16 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 17 | ; GNU General Public License for more details.
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| 18 | ; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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| 19 | ;
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| 20 |
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| 21 | ; Section containing code
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| 22 | SECTION .text
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| 23 |
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| 24 |
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| 25 | ;--------------------------------------------------------------------
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| 26 | ; AutoConfigure_ForThisSystem
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| 27 | ; MENUITEM activation function (.fnActivate)
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| 28 | ; Parameters:
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| 29 | ; SS:BP: Ptr to MENU
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| 30 | ; Returns:
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| 31 | ; Nothing
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| 32 | ; Corrupts registers:
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| 33 | ; All, except segments
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| 34 | ;--------------------------------------------------------------------
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| 35 | ALIGN JUMP_ALIGN
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| 36 | AutoConfigure_ForThisSystem:
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| 37 | push es
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| 38 | push ds
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| 39 |
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| 40 | call Buffers_GetFileBufferToESDI ; ROMVARS now in ES:DI
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| 41 | push es
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| 42 | pop ds ; ROMVARS now in DS:DI
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| 43 | call ResetIdevarsToDefaultValues
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| 44 | call DetectIdePortsAndDevices
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| 45 | call EnableInterruptsForPrimaryAndSecondaryControllers
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| 46 | call StoreAndDisplayNumberOfControllers
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| 47 |
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| 48 | pop ds
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| 49 | pop es
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| 50 | ret
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| 51 |
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| 52 |
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| 53 | ;--------------------------------------------------------------------
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| 54 | ; ResetIdevarsToDefaultValues
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| 55 | ; Parameters:
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| 56 | ; DS:DI: Ptr to ROMVARS
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| 57 | ; Returns:
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| 58 | ; Nothing
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| 59 | ; Corrupts registers:
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| 60 | ; AX, CX
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| 61 | ;--------------------------------------------------------------------
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| 62 | ALIGN JUMP_ALIGN
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| 63 | ResetIdevarsToDefaultValues:
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| 64 | push di
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| 65 | add di, BYTE ROMVARS.ideVarsBegin
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| 66 | mov cx, ROMVARS.ideVarsEnd - ROMVARS.ideVarsBegin
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| 67 | call Memory_ZeroESDIwithSizeInCX ; Never clears ROMVARS.ideVarsSerialAuto
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| 68 | pop di
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| 69 |
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| 70 | ; Set default values (other than zero)
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| 71 | mov ax, DISABLE_WRITE_CACHE | (TRANSLATEMODE_AUTO<<TRANSLATEMODE_FIELD_POSITION) | FLG_DRVPARAMS_BLOCKMODE
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| 72 | mov [di+ROMVARS.ideVars0+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags], ax
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| 73 | mov [di+ROMVARS.ideVars0+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags], ax
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| 74 |
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| 75 | mov [di+ROMVARS.ideVars1+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags], ax
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| 76 | mov [di+ROMVARS.ideVars1+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags], ax
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| 77 |
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| 78 | mov [di+ROMVARS.ideVars2+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags], ax
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| 79 | mov [di+ROMVARS.ideVars2+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags], ax
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| 80 |
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| 81 | mov [di+ROMVARS.ideVars3+IDEVARS.drvParamsMaster+DRVPARAMS.wFlags], ax
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| 82 | mov [di+ROMVARS.ideVars3+IDEVARS.drvParamsSlave+DRVPARAMS.wFlags], ax
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| 83 | ret
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| 84 |
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| 85 |
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| 86 | ;--------------------------------------------------------------------
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| 87 | ; DetectIdePortsAndDevices
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| 88 | ; Parameters:
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| 89 | ; DS:DI: Ptr to ROMVARS
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| 90 | ; Returns:
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| 91 | ; CX: Number of controllers detected
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| 92 | ; Corrupts registers:
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| 93 | ; AX, BX, DX, SI
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| 94 | ;--------------------------------------------------------------------
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| 95 | ALIGN JUMP_ALIGN
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| 96 | DetectIdePortsAndDevices:
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| 97 | xor cx, cx ; Number of devices found
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| 98 | xor dx, dx ; IDE_PORT_TO_START_DETECTION
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| 99 | lea si, [di+ROMVARS.ideVarsBegin] ; DS:SI points to first IDEVARS
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| 100 |
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| 101 | .DetectFromNextPort:
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| 102 | call IdeAutodetect_IncrementDXtoNextIdeBasePort
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| 103 | jz SHORT .AllPortsAlreadyDetected
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| 104 | push si
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| 105 | call IdeAutodetect_DetectIdeDeviceFromPortDXAndReturnControlBlockInSI
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| 106 | mov bx, si
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| 107 | pop si
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| 108 | jc SHORT .DetectFromNextPort
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| 109 |
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| 110 | ; Device found from port DX, Device Type returned in AL
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| 111 | inc cx ; Increment number of controllers found
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| 112 | mov [si+IDEVARS.wBasePort], dx
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| 113 | mov [si+IDEVARS.wControlBlockPort], bx
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| 114 | mov [si+IDEVARS.bDevice], al
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| 115 |
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| 116 | ; Point to next IDEVARS
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| 117 | add si, IDEVARS_size
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| 118 | cmp si, ROMVARS.ideVars3
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| 119 | jbe SHORT .DetectFromNextPort
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| 120 | .AllPortsAlreadyDetected:
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| 121 | ret
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| 122 |
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| 123 |
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| 124 | ;--------------------------------------------------------------------
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| 125 | ; EnableInterruptsForPrimaryAndSecondaryControllers
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| 126 | ; Parameters:
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| 127 | ; DS:DI: Ptr to ROMVARS
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| 128 | ; CX: Number of controllers detected
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| 129 | ; Returns:
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| 130 | ; Nothing
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| 131 | ; Corrupts registers:
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| 132 | ; AX, ES
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| 133 | ;--------------------------------------------------------------------
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| 134 | ALIGN JUMP_ALIGN
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| 135 | EnableInterruptsForPrimaryAndSecondaryControllers:
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| 136 | jcxz .NoControllersDetected
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| 137 | call Buffers_IsXTbuildLoaded
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| 138 | je SHORT .DoNotEnableIRQforXTbuilds
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| 139 | push di
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| 140 | push cx
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| 141 |
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| 142 | add di, BYTE ROMVARS.ideVars0 ; DS:DI now points first IDEVARS
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| 143 | .CheckNextController:
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| 144 | mov al, 14
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| 145 | cmp WORD [di+IDEVARS.wBasePort], DEVICE_ATA_PRIMARY_PORT
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| 146 | je SHORT .EnableIrqAL
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| 147 |
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| 148 | inc ax ; 15
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| 149 | cmp WORD [di+IDEVARS.wBasePort], DEVICE_ATA_SECONDARY_PORT
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| 150 | jne SHORT .DoNotEnableIRQ
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| 151 |
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| 152 | .EnableIrqAL:
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| 153 | mov [di+IDEVARS.bIRQ], al
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| 154 | .DoNotEnableIRQ:
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| 155 | loop .CheckNextController
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| 156 | pop cx
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| 157 | pop di
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| 158 | .DoNotEnableIRQforXTbuilds:
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| 159 | .NoControllersDetected:
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| 160 | ret
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| 161 |
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| 162 |
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| 163 | ;--------------------------------------------------------------------
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| 164 | ; StoreAndDisplayNumberOfControllers
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| 165 | ; Parameters:
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| 166 | ; CX: Number of controllers detected
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| 167 | ; DS:DI: Ptr to ROMVARS
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| 168 | ; SS:BP: Ptr to MENU
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| 169 | ; Returns:
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| 170 | ; Nothing
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| 171 | ; Corrupts registers:
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| 172 | ; AX, BX, DX, DI, SI, DS, ES
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| 173 | ;--------------------------------------------------------------------
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| 174 | ALIGN JUMP_ALIGN
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| 175 | StoreAndDisplayNumberOfControllers:
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| 176 | xor ax, ax
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| 177 | or al, cl
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| 178 | jnz SHORT .AtLeastOneController
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| 179 | inc ax ; Cannot store zero
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| 180 | .AtLeastOneController:
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| 181 | test BYTE [di+ROMVARS.wFlags], FLG_ROMVARS_FULLMODE
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| 182 | jnz SHORT .FullModeSoNoNeedToLimit
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| 183 | MIN_U al, MAX_LITE_MODE_CONTROLLERS
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| 184 | .FullModeSoNoNeedToLimit:
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| 185 |
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| 186 | ; Store number of IDE Controllers. This will also modify
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| 187 | ; menu and set unsaved changes flag.
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| 188 | push cs
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| 189 | pop ds
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| 190 | mov si, g_MenuitemConfigurationIdeControllers
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| 191 | call Menuitem_StoreValueFromAXtoMenuitemInDSSI
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| 192 |
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| 193 | ; Display results (should be changed to proper string formatting)
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| 194 | add cl, '0'
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| 195 | mov [cs:g_bControllersDetected], cl
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| 196 | mov dx, g_szDlgAutoConfigure
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| 197 | jmp Dialogs_DisplayNotificationFromCSDX
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