[57] | 1 | ; Project name : XTIDE Universal BIOS Configurator v2 |
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| 2 | ; Description : "Master/Slave Drive" menu structs and functions. |
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| 3 | |
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[376] | 4 | ; |
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| 5 | ; XTIDE Universal BIOS and Associated Tools |
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| 6 | ; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2012 by XTIDE Universal BIOS Team. |
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| 7 | ; |
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| 8 | ; This program is free software; you can redistribute it and/or modify |
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| 9 | ; it under the terms of the GNU General Public License as published by |
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| 10 | ; the Free Software Foundation; either version 2 of the License, or |
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| 11 | ; (at your option) any later version. |
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| 12 | ; |
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| 13 | ; This program is distributed in the hope that it will be useful, |
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| 14 | ; but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 16 | ; GNU General Public License for more details. |
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| 17 | ; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html |
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| 18 | ; |
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| 19 | |
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[57] | 20 | ; Section containing initialized data |
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| 21 | SECTION .data |
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| 22 | |
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| 23 | ALIGN WORD_ALIGN |
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| 24 | g_MenupageForMasterSlaveMenu: |
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| 25 | istruc MENUPAGE |
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| 26 | at MENUPAGE.fnEnter, dw MasterSlaveMenu_EnterMenuOrModifyItemVisibility |
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[59] | 27 | at MENUPAGE.fnBack, dw IdeControllerMenu_EnterMenuOrModifyItemVisibility |
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[286] | 28 | at MENUPAGE.wMenuitems, dw 9 |
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[57] | 29 | iend |
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| 30 | |
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| 31 | g_MenuitemMasterSlaveBackToIdeControllerMenu: |
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| 32 | istruc MENUITEM |
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| 33 | at MENUITEM.fnActivate, dw IdeControllerMenu_EnterMenuOrModifyItemVisibility |
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| 34 | at MENUITEM.szName, dw g_szItemDrvBackToIde |
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| 35 | at MENUITEM.szQuickInfo, dw g_szItemDrvBackToIde |
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| 36 | at MENUITEM.szHelp, dw g_szItemDrvBackToIde |
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| 37 | at MENUITEM.bFlags, db FLG_MENUITEM_VISIBLE |
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| 38 | at MENUITEM.bType, db TYPE_MENUITEM_PAGEBACK |
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| 39 | iend |
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| 40 | |
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| 41 | g_MenuitemMasterSlaveBlockModeTransfers: |
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| 42 | istruc MENUITEM |
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[108] | 43 | at MENUITEM.fnActivate, dw Menuitem_ActivateMultichoiceSelectionForMenuitemInDSSI |
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[59] | 44 | at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteLookupValueStringToBufferInESDIfromShiftedItemInDSSI |
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[57] | 45 | at MENUITEM.szName, dw g_szItemDrvBlockMode |
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| 46 | at MENUITEM.szQuickInfo, dw g_szNfoDrvBlockMode |
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| 47 | at MENUITEM.szHelp, dw g_szHelpDrvBlockMode |
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| 48 | at MENUITEM.bFlags, db FLG_MENUITEM_VISIBLE | FLG_MENUITEM_FLAGVALUE |
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[108] | 49 | at MENUITEM.bType, db TYPE_MENUITEM_MULTICHOICE |
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[57] | 50 | at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw NULL |
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| 51 | at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgDrvBlockMode |
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[108] | 52 | at MENUITEM.itemValue + ITEM_VALUE.szMultichoice, dw g_szMultichoiceBooleanFlag |
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[57] | 53 | at MENUITEM.itemValue + ITEM_VALUE.rgszValueToStringLookup, dw g_rgszValueToStringLookupForFlagBooleans |
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| 54 | at MENUITEM.itemValue + ITEM_VALUE.wValueBitmask, dw FLG_DRVPARAMS_BLOCKMODE |
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| 55 | iend |
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| 56 | |
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[286] | 57 | g_MenuitemMasterSlaveWriteCache: |
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| 58 | istruc MENUITEM |
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| 59 | at MENUITEM.fnActivate, dw Menuitem_ActivateMultichoiceSelectionForMenuitemInDSSI |
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| 60 | at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteLookupValueStringToBufferInESDIfromUnshiftedItemInDSSI |
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| 61 | at MENUITEM.szName, dw g_szItemDrvWriteCache |
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| 62 | at MENUITEM.szQuickInfo, dw g_szNfoDrvWriteCache |
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| 63 | at MENUITEM.szHelp, dw g_szHelpDrvWriteCache |
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| 64 | at MENUITEM.bFlags, db FLG_MENUITEM_VISIBLE | FLG_MENUITEM_MASKVALUE |
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| 65 | at MENUITEM.bType, db TYPE_MENUITEM_MULTICHOICE |
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| 66 | at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw NULL |
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| 67 | at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgDrvWriteCache |
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| 68 | at MENUITEM.itemValue + ITEM_VALUE.szMultichoice, dw g_szMultichoiseWrCache |
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| 69 | at MENUITEM.itemValue + ITEM_VALUE.rgwChoiceToValueLookup, dw g_rgwChoiceToValueLookupForWriteCache |
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| 70 | at MENUITEM.itemValue + ITEM_VALUE.rgszChoiceToStringLookup, dw g_rgszChoiceToStringLookupForWriteCache |
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| 71 | at MENUITEM.itemValue + ITEM_VALUE.wValueBitmask, dw MASK_DRVPARAMS_WRITECACHE |
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| 72 | iend |
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| 73 | |
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[57] | 74 | g_MenuitemMasterSlaveUserCHS: |
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| 75 | istruc MENUITEM |
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[108] | 76 | at MENUITEM.fnActivate, dw Menuitem_ActivateMultichoiceSelectionForMenuitemInDSSI |
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[59] | 77 | at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteLookupValueStringToBufferInESDIfromShiftedItemInDSSI |
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[57] | 78 | at MENUITEM.szName, dw g_szItemDrvUserCHS |
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| 79 | at MENUITEM.szQuickInfo, dw g_szNfoDrvUserCHS |
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| 80 | at MENUITEM.szHelp, dw g_szHelpDrvUserCHS |
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| 81 | at MENUITEM.bFlags, db FLG_MENUITEM_VISIBLE | FLG_MENUITEM_MODIFY_MENU | FLG_MENUITEM_FLAGVALUE |
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[108] | 82 | at MENUITEM.bType, db TYPE_MENUITEM_MULTICHOICE |
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[57] | 83 | at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw NULL |
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| 84 | at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgDrvUserCHS |
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[108] | 85 | at MENUITEM.itemValue + ITEM_VALUE.szMultichoice, dw g_szMultichoiceBooleanFlag |
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[57] | 86 | at MENUITEM.itemValue + ITEM_VALUE.rgszValueToStringLookup, dw g_rgszValueToStringLookupForFlagBooleans |
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| 87 | at MENUITEM.itemValue + ITEM_VALUE.wValueBitmask, dw FLG_DRVPARAMS_USERCHS |
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[369] | 88 | at MENUITEM.itemValue + ITEM_VALUE.fnValueWriter, dw MasterSlaveMenu_WriteCHSFlag |
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[57] | 89 | iend |
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| 90 | |
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| 91 | g_MenuitemMasterSlaveCylinders: |
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| 92 | istruc MENUITEM |
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| 93 | at MENUITEM.fnActivate, dw Menuitem_ActivateUnsignedInputForMenuitemInDSSI |
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| 94 | at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteUnsignedValueStringToBufferInESDIfromItemInDSSI |
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| 95 | at MENUITEM.szName, dw g_szItemDrvCyls |
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| 96 | at MENUITEM.szQuickInfo, dw g_szNfoDrvCyls |
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| 97 | at MENUITEM.szHelp, dw g_szNfoDrvCyls |
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| 98 | at MENUITEM.bFlags, db NULL |
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| 99 | at MENUITEM.bType, db TYPE_MENUITEM_UNSIGNED |
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| 100 | at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw NULL |
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| 101 | at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgDrvCyls |
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| 102 | at MENUITEM.itemValue + ITEM_VALUE.wMinValue, dw 1 |
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| 103 | at MENUITEM.itemValue + ITEM_VALUE.wMaxValue, dw 16383 |
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[369] | 104 | %define MASTERSLAVE_CYLINDERS_DEFAULT 65 |
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[57] | 105 | iend |
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| 106 | |
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| 107 | g_MenuitemMasterSlaveHeads: |
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| 108 | istruc MENUITEM |
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| 109 | at MENUITEM.fnActivate, dw Menuitem_ActivateUnsignedInputForMenuitemInDSSI |
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| 110 | at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteUnsignedValueStringToBufferInESDIfromItemInDSSI |
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| 111 | at MENUITEM.szName, dw g_szItemDrvHeads |
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| 112 | at MENUITEM.szQuickInfo, dw g_szNfoDrvHeads |
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| 113 | at MENUITEM.szHelp, dw g_szNfoDrvHeads |
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| 114 | at MENUITEM.bFlags, db FLG_MENUITEM_BYTEVALUE |
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| 115 | at MENUITEM.bType, db TYPE_MENUITEM_UNSIGNED |
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| 116 | at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw NULL |
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| 117 | at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgDrvHeads |
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| 118 | at MENUITEM.itemValue + ITEM_VALUE.wMinValue, dw 1 |
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| 119 | at MENUITEM.itemValue + ITEM_VALUE.wMaxValue, dw 16 |
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[369] | 120 | %define MASTERSLAVE_HEADS_DEFAULT 16 |
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[57] | 121 | iend |
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| 122 | |
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| 123 | g_MenuitemMasterSlaveSectors: |
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| 124 | istruc MENUITEM |
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| 125 | at MENUITEM.fnActivate, dw Menuitem_ActivateUnsignedInputForMenuitemInDSSI |
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| 126 | at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteUnsignedValueStringToBufferInESDIfromItemInDSSI |
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| 127 | at MENUITEM.szName, dw g_szItemDrvSect |
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| 128 | at MENUITEM.szQuickInfo, dw g_szNfoDrvSect |
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| 129 | at MENUITEM.szHelp, dw g_szNfoDrvSect |
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| 130 | at MENUITEM.bFlags, db FLG_MENUITEM_BYTEVALUE |
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| 131 | at MENUITEM.bType, db TYPE_MENUITEM_UNSIGNED |
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| 132 | at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw NULL |
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| 133 | at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgDrvSect |
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| 134 | at MENUITEM.itemValue + ITEM_VALUE.wMinValue, dw 1 |
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| 135 | at MENUITEM.itemValue + ITEM_VALUE.wMaxValue, dw 63 |
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[369] | 136 | %define MASTERSLAVE_SECTORS_DEFAULT 63 |
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[57] | 137 | iend |
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| 138 | |
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[286] | 139 | g_MenuitemMasterSlaveUserLBA: |
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| 140 | istruc MENUITEM |
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| 141 | at MENUITEM.fnActivate, dw Menuitem_ActivateMultichoiceSelectionForMenuitemInDSSI |
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| 142 | at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteLookupValueStringToBufferInESDIfromShiftedItemInDSSI |
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| 143 | at MENUITEM.szName, dw g_szItemDrvUserLBA |
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| 144 | at MENUITEM.szQuickInfo, dw g_szNfoDrvUserLBA |
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| 145 | at MENUITEM.szHelp, dw g_szHelpDrvUserLBA |
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| 146 | at MENUITEM.bFlags, db FLG_MENUITEM_VISIBLE | FLG_MENUITEM_MODIFY_MENU | FLG_MENUITEM_FLAGVALUE |
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| 147 | at MENUITEM.bType, db TYPE_MENUITEM_MULTICHOICE |
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| 148 | at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw NULL |
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| 149 | at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgDrvUserLBA |
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| 150 | at MENUITEM.itemValue + ITEM_VALUE.szMultichoice, dw g_szMultichoiceBooleanFlag |
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| 151 | at MENUITEM.itemValue + ITEM_VALUE.rgszValueToStringLookup, dw g_rgszValueToStringLookupForFlagBooleans |
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| 152 | at MENUITEM.itemValue + ITEM_VALUE.wValueBitmask, dw FLG_DRVPARAMS_USERLBA |
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[369] | 153 | at MENUITEM.itemValue + ITEM_VALUE.fnValueWriter, dw MasterSlaveMenu_WriteLBAFlag |
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[286] | 154 | iend |
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[57] | 155 | |
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[286] | 156 | g_MenuitemMasterSlaveUserLbaValue: |
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| 157 | istruc MENUITEM |
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| 158 | at MENUITEM.fnActivate, dw Menuitem_ActivateUnsignedInputForMenuitemInDSSI |
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| 159 | at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteUnsignedValueStringToBufferInESDIfromItemInDSSI |
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| 160 | at MENUITEM.szName, dw g_szItemDrvLbaSectors |
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| 161 | at MENUITEM.szQuickInfo, dw g_szNfoDrvLbaSectors |
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| 162 | at MENUITEM.szHelp, dw g_szNfoDrvLbaSectors |
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| 163 | at MENUITEM.bFlags, db NULL |
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| 164 | at MENUITEM.bType, db TYPE_MENUITEM_UNSIGNED |
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| 165 | at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw NULL |
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| 166 | at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgDrvLbaSectors |
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[360] | 167 | at MENUITEM.itemValue + ITEM_VALUE.wMinValue, dw 1 ; 512 MiB |
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[286] | 168 | at MENUITEM.itemValue + ITEM_VALUE.wMaxValue, dw 10000000h / (1024 * 1024) ; Limit to 28-bit LBA |
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| 169 | at MENUITEM.itemValue + ITEM_VALUE.fnValueReader, dw ValueReaderForUserLbaValue |
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| 170 | at MENUITEM.itemValue + ITEM_VALUE.fnValueWriter, dw ValueWriterForUserLbaValue |
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[369] | 171 | %define MASTERSLAVE_USERLBA_DEFAULT 1 |
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[286] | 172 | iend |
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| 173 | |
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| 174 | |
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| 175 | g_rgwChoiceToValueLookupForWriteCache: |
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| 176 | dw DEFAULT_WRITE_CACHE |
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| 177 | dw DISABLE_WRITE_CACHE |
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| 178 | dw ENABLE_WRITE_CACHE |
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| 179 | |
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| 180 | g_rgszChoiceToStringLookupForWriteCache: |
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| 181 | dw g_szValueBootDispModeDefault |
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| 182 | dw g_szValueDrvWrCaDis |
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| 183 | dw g_szValueDrvWrCaEn |
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| 184 | |
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| 185 | |
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[57] | 186 | ; Section containing code |
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| 187 | SECTION .text |
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| 188 | |
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| 189 | ;-------------------------------------------------------------------- |
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| 190 | ; MasterSlaveMenu_InitializeToDrvparamsOffsetInBX |
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| 191 | ; Parameters: |
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| 192 | ; SS:BP: Menu handle |
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| 193 | ; Returns: |
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| 194 | ; Nothing |
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| 195 | ; Corrupts registers: |
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| 196 | ; AX |
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| 197 | ;-------------------------------------------------------------------- |
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| 198 | ALIGN JUMP_ALIGN |
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| 199 | MasterSlaveMenu_InitializeToDrvparamsOffsetInBX: |
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| 200 | lea ax, [bx+DRVPARAMS.wFlags] |
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| 201 | mov [cs:g_MenuitemMasterSlaveBlockModeTransfers+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset], ax |
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[286] | 202 | mov [cs:g_MenuitemMasterSlaveWriteCache+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset], ax |
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[57] | 203 | mov [cs:g_MenuitemMasterSlaveUserCHS+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset], ax |
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[286] | 204 | mov [cs:g_MenuitemMasterSlaveUserLBA+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset], ax |
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[57] | 205 | |
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| 206 | lea ax, [bx+DRVPARAMS.wCylinders] |
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| 207 | mov [cs:g_MenuitemMasterSlaveCylinders+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset], ax |
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| 208 | |
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| 209 | lea ax, [bx+DRVPARAMS.bHeads] |
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| 210 | mov [cs:g_MenuitemMasterSlaveHeads+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset], ax |
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| 211 | |
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| 212 | lea ax, [bx+DRVPARAMS.bSect] |
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| 213 | mov [cs:g_MenuitemMasterSlaveSectors+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset], ax |
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[286] | 214 | |
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| 215 | lea ax, [bx+DRVPARAMS.dwMaximumLBA] |
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| 216 | mov [cs:g_MenuitemMasterSlaveUserLbaValue+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset], ax |
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[57] | 217 | ret |
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| 218 | |
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| 219 | |
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| 220 | ;-------------------------------------------------------------------- |
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| 221 | ; MasterSlaveMenu_EnterMenuOrModifyItemVisibility |
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| 222 | ; Parameters: |
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| 223 | ; SS:BP: Menu handle |
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| 224 | ; Returns: |
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| 225 | ; Nothing |
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| 226 | ; Corrupts registers: |
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| 227 | ; All, except BP |
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| 228 | ;-------------------------------------------------------------------- |
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| 229 | ALIGN JUMP_ALIGN |
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| 230 | MasterSlaveMenu_EnterMenuOrModifyItemVisibility: |
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| 231 | push cs |
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| 232 | pop ds |
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[286] | 233 | call .EnableOrDisableUserCHSandLBA |
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[57] | 234 | call .EnableOrDisableCHandS |
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[286] | 235 | call .EnableOrDisableUserLbaValue |
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[57] | 236 | mov si, g_MenupageForMasterSlaveMenu |
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| 237 | jmp Menupage_ChangeToNewMenupageInDSSI |
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| 238 | |
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[286] | 239 | |
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[57] | 240 | ;-------------------------------------------------------------------- |
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[286] | 241 | ; .EnableOrDisableUserCHSandLBA |
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| 242 | ; Parameters: |
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| 243 | ; SS:BP: Menu handle |
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| 244 | ; Returns: |
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| 245 | ; Nothing |
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| 246 | ; Corrupts registers: |
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| 247 | ; AX, BX |
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| 248 | ;-------------------------------------------------------------------- |
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| 249 | ALIGN JUMP_ALIGN |
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| 250 | .EnableOrDisableUserCHSandLBA: |
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| 251 | mov bx, [g_MenuitemMasterSlaveUserLBA+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset] |
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| 252 | call Buffers_GetRomvarsValueToAXfromOffsetInBX |
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| 253 | test ax, FLG_DRVPARAMS_USERLBA |
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| 254 | jnz SHORT .DisableCHSandEnableLBA |
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| 255 | test ax, FLG_DRVPARAMS_USERCHS |
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| 256 | jnz SHORT .EnableCHSandDisableLBA |
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| 257 | |
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| 258 | ; Enable both |
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| 259 | mov bx, g_MenuitemMasterSlaveUserCHS |
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| 260 | call .EnableMenuitemFromCSBX |
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| 261 | mov bx, g_MenuitemMasterSlaveUserLBA |
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[293] | 262 | jmp .EnableMenuitemFromCSBX |
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[286] | 263 | |
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| 264 | ALIGN JUMP_ALIGN |
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| 265 | .EnableCHSandDisableLBA: |
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| 266 | mov bx, g_MenuitemMasterSlaveUserCHS |
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| 267 | call .EnableMenuitemFromCSBX |
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| 268 | mov bx, g_MenuitemMasterSlaveUserLBA |
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[293] | 269 | jmp .DisableMenuitemFromCSBX |
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[286] | 270 | |
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| 271 | ALIGN JUMP_ALIGN |
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| 272 | .DisableCHSandEnableLBA: |
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| 273 | mov bx, g_MenuitemMasterSlaveUserLBA |
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| 274 | call .EnableMenuitemFromCSBX |
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| 275 | mov bx, g_MenuitemMasterSlaveUserCHS |
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[293] | 276 | jmp .DisableMenuitemFromCSBX |
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[286] | 277 | |
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| 278 | |
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| 279 | ;-------------------------------------------------------------------- |
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[57] | 280 | ; .EnableOrDisableCHandS |
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| 281 | ; Parameters: |
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| 282 | ; SS:BP: Menu handle |
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| 283 | ; Returns: |
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| 284 | ; Nothing |
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| 285 | ; Corrupts registers: |
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| 286 | ; AX, BX |
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| 287 | ;-------------------------------------------------------------------- |
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| 288 | ALIGN JUMP_ALIGN |
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| 289 | .EnableOrDisableCHandS: |
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| 290 | mov bx, [cs:g_MenuitemMasterSlaveUserCHS+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset] |
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| 291 | call Buffers_GetRomvarsValueToAXfromOffsetInBX |
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| 292 | test ax, FLG_DRVPARAMS_USERCHS |
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| 293 | jz SHORT .DisableCHandS |
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[286] | 294 | test ax, FLG_DRVPARAMS_USERLBA |
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| 295 | jnz SHORT .DisableCHandS |
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[57] | 296 | |
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| 297 | mov bx, g_MenuitemMasterSlaveCylinders |
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| 298 | call .EnableMenuitemFromCSBX |
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| 299 | mov bx, g_MenuitemMasterSlaveHeads |
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| 300 | call .EnableMenuitemFromCSBX |
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| 301 | mov bx, g_MenuitemMasterSlaveSectors |
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[286] | 302 | jmp SHORT .EnableMenuitemFromCSBX |
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[57] | 303 | |
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| 304 | ALIGN JUMP_ALIGN |
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| 305 | .DisableCHandS: |
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| 306 | mov bx, g_MenuitemMasterSlaveCylinders |
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| 307 | call .DisableMenuitemFromCSBX |
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| 308 | mov bx, g_MenuitemMasterSlaveHeads |
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| 309 | call .DisableMenuitemFromCSBX |
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| 310 | mov bx, g_MenuitemMasterSlaveSectors |
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[286] | 311 | jmp SHORT .DisableMenuitemFromCSBX |
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[57] | 312 | |
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[286] | 313 | |
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[57] | 314 | ;-------------------------------------------------------------------- |
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[286] | 315 | ; .EnableOrDisableUserLbaValue |
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| 316 | ; Parameters: |
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| 317 | ; SS:BP: Menu handle |
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| 318 | ; Returns: |
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| 319 | ; Nothing |
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| 320 | ; Corrupts registers: |
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| 321 | ; AX, BX |
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| 322 | ;-------------------------------------------------------------------- |
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| 323 | ALIGN JUMP_ALIGN |
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| 324 | .EnableOrDisableUserLbaValue: |
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| 325 | mov bx, [cs:g_MenuitemMasterSlaveUserLBA+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset] |
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| 326 | call Buffers_GetRomvarsValueToAXfromOffsetInBX |
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| 327 | mov bx, g_MenuitemMasterSlaveUserLbaValue |
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| 328 | test ax, FLG_DRVPARAMS_USERCHS |
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| 329 | jnz SHORT .DisableMenuitemFromCSBX |
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| 330 | test ax, FLG_DRVPARAMS_USERLBA |
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| 331 | jz SHORT .DisableMenuitemFromCSBX |
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[293] | 332 | ; Fall to .EnableMenuitemFromCSBX |
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[286] | 333 | |
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| 334 | |
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| 335 | ;-------------------------------------------------------------------- |
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[57] | 336 | ; .EnableMenuitemFromCSBX |
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| 337 | ; .DisableMenuitemFromCSBX |
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| 338 | ; Parameters: |
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| 339 | ; CS:BX: Ptr to MENUITEM |
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| 340 | ; Returns: |
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| 341 | ; Nothing |
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| 342 | ; Corrupts registers: |
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| 343 | ; Nothing |
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| 344 | ;-------------------------------------------------------------------- |
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| 345 | ALIGN JUMP_ALIGN |
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| 346 | .EnableMenuitemFromCSBX: |
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| 347 | or BYTE [cs:bx+MENUITEM.bFlags], FLG_MENUITEM_VISIBLE |
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| 348 | ret |
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| 349 | |
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| 350 | ALIGN JUMP_ALIGN |
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| 351 | .DisableMenuitemFromCSBX: |
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| 352 | and BYTE [cs:bx+MENUITEM.bFlags], ~FLG_MENUITEM_VISIBLE |
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| 353 | ret |
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[286] | 354 | |
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| 355 | |
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| 356 | ;-------------------------------------------------------------------- |
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| 357 | ; MENUITEM value reader functions |
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| 358 | ; Parameters: |
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| 359 | ; AX: Value from MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset |
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| 360 | ; DS:SI: Ptr to MENUITEM |
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| 361 | ; ES:DI: Ptr to value variable |
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| 362 | ; Returns: |
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| 363 | ; AX: Value with possible modifications |
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| 364 | ; Corrupts registers: |
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| 365 | ; Nothing |
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| 366 | ;-------------------------------------------------------------------- |
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| 367 | ALIGN JUMP_ALIGN |
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| 368 | ValueReaderForUserLbaValue: |
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[345] | 369 | push dx |
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| 370 | |
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| 371 | mov ax, [es:di] |
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| 372 | mov dx, [es:di+2] ; DX:AX now holds user defined LBA28 limit |
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| 373 | add ax, BYTE 1 ; Increment by one |
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| 374 | adc dx, BYTE 0 |
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| 375 | |
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| 376 | xchg ax, dx ; SHR 16 |
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| 377 | eSHIFT_IM ax, 4, shr ; SHR 4 => AX = DX:AX / (1024*1024) |
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| 378 | |
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| 379 | pop dx |
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[286] | 380 | ret |
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| 381 | |
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| 382 | |
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| 383 | ;-------------------------------------------------------------------- |
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| 384 | ; MENUITEM value writer functions |
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| 385 | ; Parameters: |
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| 386 | ; AX: Value to be written to MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset |
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| 387 | ; DS:SI: Ptr to MENUITEM |
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| 388 | ; ES:DI: Ptr to value variable |
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| 389 | ; Returns: |
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| 390 | ; AX: Value to be stored |
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| 391 | ; Corrupts registers: |
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| 392 | ; Nothing |
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| 393 | ;-------------------------------------------------------------------- |
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| 394 | ALIGN JUMP_ALIGN |
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| 395 | ValueWriterForUserLbaValue: |
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[345] | 396 | push dx |
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| 397 | |
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| 398 | xor dx, dx |
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[286] | 399 | eSHIFT_IM ax, 4, shl |
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[345] | 400 | xchg dx, ax ; DX:AX now holds AX * 1024 * 1024 |
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| 401 | |
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| 402 | sub ax, BYTE 1 ; Decrement DX:AX by one |
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| 403 | sbb dx, BYTE 0 ; (necessary since maximum LBA28 sector count is 0FFF FFFFh) |
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| 404 | |
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| 405 | mov [es:di+2], dx ; Store DX by ourselves |
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| 406 | pop dx |
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| 407 | ret ; AX will be stored by our menu system |
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[369] | 408 | |
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| 409 | ; |
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| 410 | ; No change to CHS flag, but we use this opportunity to change defaults stored in the CHS values if we are |
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| 411 | ; changing in/out of user CHS settings (since we use these bytes in different ways with the LBA setting). |
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| 412 | ; |
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| 413 | ALIGN JUMP_ALIGN |
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| 414 | MasterSlaveMenu_WriteCHSFlag: |
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| 415 | test word [es:di], FLG_DRVPARAMS_USERCHS |
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| 416 | jnz .alreadySet |
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| 417 | |
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| 418 | push ax |
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| 419 | push di |
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| 420 | push si |
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| 421 | |
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| 422 | mov ax, MASTERSLAVE_CYLINDERS_DEFAULT |
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| 423 | mov si, g_MenuitemMasterSlaveCylinders |
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| 424 | call Menuitem_StoreValueFromAXtoMenuitemInDSSI |
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| 425 | |
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| 426 | mov ax, MASTERSLAVE_HEADS_DEFAULT |
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| 427 | mov si, g_MenuitemMasterSlaveHeads |
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| 428 | call Menuitem_StoreValueFromAXtoMenuitemInDSSI |
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| 429 | |
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| 430 | mov ax, MASTERSLAVE_SECTORS_DEFAULT |
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| 431 | mov si, g_MenuitemMasterSlaveSectors |
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| 432 | call Menuitem_StoreValueFromAXtoMenuitemInDSSI |
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| 433 | |
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| 434 | pop si |
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| 435 | pop di |
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| 436 | pop ax |
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| 437 | |
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| 438 | .alreadySet: |
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| 439 | ret |
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| 440 | |
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| 441 | ; |
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| 442 | ; No change to LBA flag, but we use this opportunity to change defaults stored in the LBA value if we are |
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| 443 | ; changing in/out of user LBA settings (since we use these bytes in different ways with the CHS setting). |
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| 444 | ; |
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| 445 | ALIGN JUMP_ALIGN |
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| 446 | MasterSlaveMenu_WriteLBAFlag: |
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| 447 | test word [es:di], FLG_DRVPARAMS_USERLBA |
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| 448 | jnz .alreadySet |
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| 449 | |
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| 450 | push ax |
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| 451 | push di |
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| 452 | push si |
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| 453 | |
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| 454 | mov ax, MASTERSLAVE_USERLBA_DEFAULT |
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| 455 | mov si, g_MenuitemMasterSlaveUserLbaValue |
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| 456 | call Menuitem_StoreValueFromAXtoMenuitemInDSSI |
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| 457 | |
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| 458 | pop si |
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| 459 | pop di |
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| 460 | pop ax |
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| 461 | |
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| 462 | .alreadySet: |
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| 463 | ret |
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