[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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| 4 | ; Section containing initialized data |
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| 5 | SECTION .data |
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| 6 | |
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| 7 | ALIGN WORD_ALIGN |
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| 8 | g_MenupageForMasterSlaveMenu: |
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| 9 | istruc MENUPAGE |
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| 10 | at MENUPAGE.fnEnter, dw MasterSlaveMenu_EnterMenuOrModifyItemVisibility |
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[59] | 11 | at MENUPAGE.fnBack, dw IdeControllerMenu_EnterMenuOrModifyItemVisibility |
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[286] | 12 | at MENUPAGE.wMenuitems, dw 9 |
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[57] | 13 | iend |
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| 14 | |
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| 15 | g_MenuitemMasterSlaveBackToIdeControllerMenu: |
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| 16 | istruc MENUITEM |
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| 17 | at MENUITEM.fnActivate, dw IdeControllerMenu_EnterMenuOrModifyItemVisibility |
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| 18 | at MENUITEM.szName, dw g_szItemDrvBackToIde |
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| 19 | at MENUITEM.szQuickInfo, dw g_szItemDrvBackToIde |
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| 20 | at MENUITEM.szHelp, dw g_szItemDrvBackToIde |
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| 21 | at MENUITEM.bFlags, db FLG_MENUITEM_VISIBLE |
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| 22 | at MENUITEM.bType, db TYPE_MENUITEM_PAGEBACK |
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| 23 | iend |
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| 24 | |
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| 25 | g_MenuitemMasterSlaveBlockModeTransfers: |
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| 26 | istruc MENUITEM |
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[108] | 27 | at MENUITEM.fnActivate, dw Menuitem_ActivateMultichoiceSelectionForMenuitemInDSSI |
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[59] | 28 | at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteLookupValueStringToBufferInESDIfromShiftedItemInDSSI |
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[57] | 29 | at MENUITEM.szName, dw g_szItemDrvBlockMode |
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| 30 | at MENUITEM.szQuickInfo, dw g_szNfoDrvBlockMode |
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| 31 | at MENUITEM.szHelp, dw g_szHelpDrvBlockMode |
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| 32 | at MENUITEM.bFlags, db FLG_MENUITEM_VISIBLE | FLG_MENUITEM_FLAGVALUE |
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[108] | 33 | at MENUITEM.bType, db TYPE_MENUITEM_MULTICHOICE |
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[57] | 34 | at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw NULL |
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| 35 | at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgDrvBlockMode |
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[108] | 36 | at MENUITEM.itemValue + ITEM_VALUE.szMultichoice, dw g_szMultichoiceBooleanFlag |
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[57] | 37 | at MENUITEM.itemValue + ITEM_VALUE.rgszValueToStringLookup, dw g_rgszValueToStringLookupForFlagBooleans |
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| 38 | at MENUITEM.itemValue + ITEM_VALUE.wValueBitmask, dw FLG_DRVPARAMS_BLOCKMODE |
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| 39 | iend |
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| 40 | |
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[286] | 41 | g_MenuitemMasterSlaveWriteCache: |
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| 42 | istruc MENUITEM |
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| 43 | at MENUITEM.fnActivate, dw Menuitem_ActivateMultichoiceSelectionForMenuitemInDSSI |
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| 44 | at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteLookupValueStringToBufferInESDIfromUnshiftedItemInDSSI |
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| 45 | at MENUITEM.szName, dw g_szItemDrvWriteCache |
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| 46 | at MENUITEM.szQuickInfo, dw g_szNfoDrvWriteCache |
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| 47 | at MENUITEM.szHelp, dw g_szHelpDrvWriteCache |
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| 48 | at MENUITEM.bFlags, db FLG_MENUITEM_VISIBLE | FLG_MENUITEM_MASKVALUE |
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| 49 | at MENUITEM.bType, db TYPE_MENUITEM_MULTICHOICE |
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| 50 | at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw NULL |
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| 51 | at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgDrvWriteCache |
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| 52 | at MENUITEM.itemValue + ITEM_VALUE.szMultichoice, dw g_szMultichoiseWrCache |
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| 53 | at MENUITEM.itemValue + ITEM_VALUE.rgwChoiceToValueLookup, dw g_rgwChoiceToValueLookupForWriteCache |
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| 54 | at MENUITEM.itemValue + ITEM_VALUE.rgszChoiceToStringLookup, dw g_rgszChoiceToStringLookupForWriteCache |
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| 55 | at MENUITEM.itemValue + ITEM_VALUE.wValueBitmask, dw MASK_DRVPARAMS_WRITECACHE |
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| 56 | iend |
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| 57 | |
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[57] | 58 | g_MenuitemMasterSlaveUserCHS: |
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| 59 | istruc MENUITEM |
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[108] | 60 | at MENUITEM.fnActivate, dw Menuitem_ActivateMultichoiceSelectionForMenuitemInDSSI |
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[59] | 61 | at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteLookupValueStringToBufferInESDIfromShiftedItemInDSSI |
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[57] | 62 | at MENUITEM.szName, dw g_szItemDrvUserCHS |
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| 63 | at MENUITEM.szQuickInfo, dw g_szNfoDrvUserCHS |
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| 64 | at MENUITEM.szHelp, dw g_szHelpDrvUserCHS |
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| 65 | at MENUITEM.bFlags, db FLG_MENUITEM_VISIBLE | FLG_MENUITEM_MODIFY_MENU | FLG_MENUITEM_FLAGVALUE |
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[108] | 66 | at MENUITEM.bType, db TYPE_MENUITEM_MULTICHOICE |
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[57] | 67 | at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw NULL |
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| 68 | at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgDrvUserCHS |
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[108] | 69 | at MENUITEM.itemValue + ITEM_VALUE.szMultichoice, dw g_szMultichoiceBooleanFlag |
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[57] | 70 | at MENUITEM.itemValue + ITEM_VALUE.rgszValueToStringLookup, dw g_rgszValueToStringLookupForFlagBooleans |
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| 71 | at MENUITEM.itemValue + ITEM_VALUE.wValueBitmask, dw FLG_DRVPARAMS_USERCHS |
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| 72 | iend |
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| 73 | |
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| 74 | g_MenuitemMasterSlaveCylinders: |
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| 75 | istruc MENUITEM |
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| 76 | at MENUITEM.fnActivate, dw Menuitem_ActivateUnsignedInputForMenuitemInDSSI |
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| 77 | at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteUnsignedValueStringToBufferInESDIfromItemInDSSI |
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| 78 | at MENUITEM.szName, dw g_szItemDrvCyls |
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| 79 | at MENUITEM.szQuickInfo, dw g_szNfoDrvCyls |
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| 80 | at MENUITEM.szHelp, dw g_szNfoDrvCyls |
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| 81 | at MENUITEM.bFlags, db NULL |
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| 82 | at MENUITEM.bType, db TYPE_MENUITEM_UNSIGNED |
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| 83 | at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw NULL |
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| 84 | at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgDrvCyls |
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| 85 | at MENUITEM.itemValue + ITEM_VALUE.wMinValue, dw 1 |
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| 86 | at MENUITEM.itemValue + ITEM_VALUE.wMaxValue, dw 16383 |
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| 87 | iend |
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| 88 | |
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| 89 | g_MenuitemMasterSlaveHeads: |
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| 90 | istruc MENUITEM |
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| 91 | at MENUITEM.fnActivate, dw Menuitem_ActivateUnsignedInputForMenuitemInDSSI |
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| 92 | at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteUnsignedValueStringToBufferInESDIfromItemInDSSI |
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| 93 | at MENUITEM.szName, dw g_szItemDrvHeads |
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| 94 | at MENUITEM.szQuickInfo, dw g_szNfoDrvHeads |
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| 95 | at MENUITEM.szHelp, dw g_szNfoDrvHeads |
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| 96 | at MENUITEM.bFlags, db FLG_MENUITEM_BYTEVALUE |
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| 97 | at MENUITEM.bType, db TYPE_MENUITEM_UNSIGNED |
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| 98 | at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw NULL |
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| 99 | at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgDrvHeads |
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| 100 | at MENUITEM.itemValue + ITEM_VALUE.wMinValue, dw 1 |
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| 101 | at MENUITEM.itemValue + ITEM_VALUE.wMaxValue, dw 16 |
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| 102 | iend |
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| 103 | |
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| 104 | g_MenuitemMasterSlaveSectors: |
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| 105 | istruc MENUITEM |
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| 106 | at MENUITEM.fnActivate, dw Menuitem_ActivateUnsignedInputForMenuitemInDSSI |
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| 107 | at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteUnsignedValueStringToBufferInESDIfromItemInDSSI |
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| 108 | at MENUITEM.szName, dw g_szItemDrvSect |
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| 109 | at MENUITEM.szQuickInfo, dw g_szNfoDrvSect |
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| 110 | at MENUITEM.szHelp, dw g_szNfoDrvSect |
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| 111 | at MENUITEM.bFlags, db FLG_MENUITEM_BYTEVALUE |
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| 112 | at MENUITEM.bType, db TYPE_MENUITEM_UNSIGNED |
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| 113 | at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw NULL |
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| 114 | at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgDrvSect |
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| 115 | at MENUITEM.itemValue + ITEM_VALUE.wMinValue, dw 1 |
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| 116 | at MENUITEM.itemValue + ITEM_VALUE.wMaxValue, dw 63 |
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| 117 | iend |
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| 118 | |
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[286] | 119 | g_MenuitemMasterSlaveUserLBA: |
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| 120 | istruc MENUITEM |
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| 121 | at MENUITEM.fnActivate, dw Menuitem_ActivateMultichoiceSelectionForMenuitemInDSSI |
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| 122 | at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteLookupValueStringToBufferInESDIfromShiftedItemInDSSI |
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| 123 | at MENUITEM.szName, dw g_szItemDrvUserLBA |
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| 124 | at MENUITEM.szQuickInfo, dw g_szNfoDrvUserLBA |
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| 125 | at MENUITEM.szHelp, dw g_szHelpDrvUserLBA |
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| 126 | at MENUITEM.bFlags, db FLG_MENUITEM_VISIBLE | FLG_MENUITEM_MODIFY_MENU | FLG_MENUITEM_FLAGVALUE |
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| 127 | at MENUITEM.bType, db TYPE_MENUITEM_MULTICHOICE |
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| 128 | at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw NULL |
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| 129 | at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgDrvUserLBA |
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| 130 | at MENUITEM.itemValue + ITEM_VALUE.szMultichoice, dw g_szMultichoiceBooleanFlag |
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| 131 | at MENUITEM.itemValue + ITEM_VALUE.rgszValueToStringLookup, dw g_rgszValueToStringLookupForFlagBooleans |
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| 132 | at MENUITEM.itemValue + ITEM_VALUE.wValueBitmask, dw FLG_DRVPARAMS_USERLBA |
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| 133 | iend |
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[57] | 134 | |
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[286] | 135 | g_MenuitemMasterSlaveUserLbaValue: |
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| 136 | istruc MENUITEM |
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| 137 | at MENUITEM.fnActivate, dw Menuitem_ActivateUnsignedInputForMenuitemInDSSI |
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| 138 | at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteUnsignedValueStringToBufferInESDIfromItemInDSSI |
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| 139 | at MENUITEM.szName, dw g_szItemDrvLbaSectors |
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| 140 | at MENUITEM.szQuickInfo, dw g_szNfoDrvLbaSectors |
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| 141 | at MENUITEM.szHelp, dw g_szNfoDrvLbaSectors |
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| 142 | at MENUITEM.bFlags, db NULL |
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| 143 | at MENUITEM.bType, db TYPE_MENUITEM_UNSIGNED |
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| 144 | at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw NULL |
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| 145 | at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgDrvLbaSectors |
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| 146 | at MENUITEM.itemValue + ITEM_VALUE.wMinValue, dw ((16383*16*63) / (1024 * 1024)) + 1 ; One sector over 8.4 GB |
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| 147 | at MENUITEM.itemValue + ITEM_VALUE.wMaxValue, dw 10000000h / (1024 * 1024) ; Limit to 28-bit LBA |
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| 148 | at MENUITEM.itemValue + ITEM_VALUE.fnValueReader, dw ValueReaderForUserLbaValue |
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| 149 | at MENUITEM.itemValue + ITEM_VALUE.fnValueWriter, dw ValueWriterForUserLbaValue |
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| 150 | iend |
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| 151 | |
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| 152 | |
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| 153 | g_rgwChoiceToValueLookupForWriteCache: |
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| 154 | dw DEFAULT_WRITE_CACHE |
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| 155 | dw DISABLE_WRITE_CACHE |
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| 156 | dw ENABLE_WRITE_CACHE |
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| 157 | |
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| 158 | g_rgszChoiceToStringLookupForWriteCache: |
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| 159 | dw g_szValueBootDispModeDefault |
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| 160 | dw g_szValueDrvWrCaDis |
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| 161 | dw g_szValueDrvWrCaEn |
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| 162 | |
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| 163 | |
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[57] | 164 | ; Section containing code |
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| 165 | SECTION .text |
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| 166 | |
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| 167 | ;-------------------------------------------------------------------- |
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| 168 | ; MasterSlaveMenu_InitializeToDrvparamsOffsetInBX |
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| 169 | ; Parameters: |
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| 170 | ; SS:BP: Menu handle |
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| 171 | ; Returns: |
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| 172 | ; Nothing |
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| 173 | ; Corrupts registers: |
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| 174 | ; AX |
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| 175 | ;-------------------------------------------------------------------- |
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| 176 | ALIGN JUMP_ALIGN |
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| 177 | MasterSlaveMenu_InitializeToDrvparamsOffsetInBX: |
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| 178 | lea ax, [bx+DRVPARAMS.wFlags] |
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| 179 | mov [cs:g_MenuitemMasterSlaveBlockModeTransfers+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset], ax |
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[286] | 180 | mov [cs:g_MenuitemMasterSlaveWriteCache+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset], ax |
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[57] | 181 | mov [cs:g_MenuitemMasterSlaveUserCHS+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset], ax |
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[286] | 182 | mov [cs:g_MenuitemMasterSlaveUserLBA+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset], ax |
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[57] | 183 | |
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| 184 | lea ax, [bx+DRVPARAMS.wCylinders] |
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| 185 | mov [cs:g_MenuitemMasterSlaveCylinders+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset], ax |
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| 186 | |
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| 187 | lea ax, [bx+DRVPARAMS.bHeads] |
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| 188 | mov [cs:g_MenuitemMasterSlaveHeads+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset], ax |
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| 189 | |
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| 190 | lea ax, [bx+DRVPARAMS.bSect] |
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| 191 | mov [cs:g_MenuitemMasterSlaveSectors+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset], ax |
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[286] | 192 | |
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| 193 | lea ax, [bx+DRVPARAMS.dwMaximumLBA] |
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| 194 | mov [cs:g_MenuitemMasterSlaveUserLbaValue+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset], ax |
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[57] | 195 | ret |
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| 196 | |
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| 197 | |
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| 198 | ;-------------------------------------------------------------------- |
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| 199 | ; MasterSlaveMenu_EnterMenuOrModifyItemVisibility |
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| 200 | ; Parameters: |
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| 201 | ; SS:BP: Menu handle |
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| 202 | ; Returns: |
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| 203 | ; Nothing |
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| 204 | ; Corrupts registers: |
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| 205 | ; All, except BP |
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| 206 | ;-------------------------------------------------------------------- |
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| 207 | ALIGN JUMP_ALIGN |
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| 208 | MasterSlaveMenu_EnterMenuOrModifyItemVisibility: |
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| 209 | push cs |
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| 210 | pop ds |
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[286] | 211 | call .EnableOrDisableUserCHSandLBA |
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[57] | 212 | call .EnableOrDisableCHandS |
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[286] | 213 | call .EnableOrDisableUserLbaValue |
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[57] | 214 | mov si, g_MenupageForMasterSlaveMenu |
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| 215 | jmp Menupage_ChangeToNewMenupageInDSSI |
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| 216 | |
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[286] | 217 | |
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[57] | 218 | ;-------------------------------------------------------------------- |
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[286] | 219 | ; .EnableOrDisableUserCHSandLBA |
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| 220 | ; Parameters: |
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| 221 | ; SS:BP: Menu handle |
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| 222 | ; Returns: |
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| 223 | ; Nothing |
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| 224 | ; Corrupts registers: |
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| 225 | ; AX, BX |
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| 226 | ;-------------------------------------------------------------------- |
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| 227 | ALIGN JUMP_ALIGN |
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| 228 | .EnableOrDisableUserCHSandLBA: |
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| 229 | mov bx, [g_MenuitemMasterSlaveUserLBA+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset] |
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| 230 | call Buffers_GetRomvarsValueToAXfromOffsetInBX |
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| 231 | test ax, FLG_DRVPARAMS_USERLBA |
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| 232 | jnz SHORT .DisableCHSandEnableLBA |
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| 233 | test ax, FLG_DRVPARAMS_USERCHS |
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| 234 | jnz SHORT .EnableCHSandDisableLBA |
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| 235 | |
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| 236 | ; Enable both |
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| 237 | mov bx, g_MenuitemMasterSlaveUserCHS |
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| 238 | call .EnableMenuitemFromCSBX |
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| 239 | mov bx, g_MenuitemMasterSlaveUserLBA |
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[293] | 240 | jmp .EnableMenuitemFromCSBX |
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[286] | 241 | |
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| 242 | ALIGN JUMP_ALIGN |
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| 243 | .EnableCHSandDisableLBA: |
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| 244 | mov bx, g_MenuitemMasterSlaveUserCHS |
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| 245 | call .EnableMenuitemFromCSBX |
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| 246 | mov bx, g_MenuitemMasterSlaveUserLBA |
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[293] | 247 | jmp .DisableMenuitemFromCSBX |
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[286] | 248 | |
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| 249 | ALIGN JUMP_ALIGN |
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| 250 | .DisableCHSandEnableLBA: |
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| 251 | mov bx, g_MenuitemMasterSlaveUserLBA |
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| 252 | call .EnableMenuitemFromCSBX |
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| 253 | mov bx, g_MenuitemMasterSlaveUserCHS |
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[293] | 254 | jmp .DisableMenuitemFromCSBX |
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[286] | 255 | |
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| 256 | |
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| 257 | ;-------------------------------------------------------------------- |
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[57] | 258 | ; .EnableOrDisableCHandS |
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| 259 | ; Parameters: |
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| 260 | ; SS:BP: Menu handle |
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| 261 | ; Returns: |
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| 262 | ; Nothing |
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| 263 | ; Corrupts registers: |
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| 264 | ; AX, BX |
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| 265 | ;-------------------------------------------------------------------- |
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| 266 | ALIGN JUMP_ALIGN |
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| 267 | .EnableOrDisableCHandS: |
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| 268 | mov bx, [cs:g_MenuitemMasterSlaveUserCHS+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset] |
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| 269 | call Buffers_GetRomvarsValueToAXfromOffsetInBX |
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| 270 | test ax, FLG_DRVPARAMS_USERCHS |
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| 271 | jz SHORT .DisableCHandS |
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[286] | 272 | test ax, FLG_DRVPARAMS_USERLBA |
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| 273 | jnz SHORT .DisableCHandS |
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[57] | 274 | |
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| 275 | mov bx, g_MenuitemMasterSlaveCylinders |
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| 276 | call .EnableMenuitemFromCSBX |
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| 277 | mov bx, g_MenuitemMasterSlaveHeads |
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| 278 | call .EnableMenuitemFromCSBX |
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| 279 | mov bx, g_MenuitemMasterSlaveSectors |
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[286] | 280 | jmp SHORT .EnableMenuitemFromCSBX |
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[57] | 281 | |
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| 282 | ALIGN JUMP_ALIGN |
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| 283 | .DisableCHandS: |
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| 284 | mov bx, g_MenuitemMasterSlaveCylinders |
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| 285 | call .DisableMenuitemFromCSBX |
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| 286 | mov bx, g_MenuitemMasterSlaveHeads |
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| 287 | call .DisableMenuitemFromCSBX |
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| 288 | mov bx, g_MenuitemMasterSlaveSectors |
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[286] | 289 | jmp SHORT .DisableMenuitemFromCSBX |
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[57] | 290 | |
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[286] | 291 | |
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[57] | 292 | ;-------------------------------------------------------------------- |
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[286] | 293 | ; .EnableOrDisableUserLbaValue |
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| 294 | ; Parameters: |
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| 295 | ; SS:BP: Menu handle |
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| 296 | ; Returns: |
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| 297 | ; Nothing |
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| 298 | ; Corrupts registers: |
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| 299 | ; AX, BX |
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| 300 | ;-------------------------------------------------------------------- |
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| 301 | ALIGN JUMP_ALIGN |
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| 302 | .EnableOrDisableUserLbaValue: |
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| 303 | mov bx, [cs:g_MenuitemMasterSlaveUserLBA+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset] |
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| 304 | call Buffers_GetRomvarsValueToAXfromOffsetInBX |
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| 305 | mov bx, g_MenuitemMasterSlaveUserLbaValue |
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| 306 | test ax, FLG_DRVPARAMS_USERCHS |
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| 307 | jnz SHORT .DisableMenuitemFromCSBX |
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| 308 | test ax, FLG_DRVPARAMS_USERLBA |
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| 309 | jz SHORT .DisableMenuitemFromCSBX |
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[293] | 310 | ; Fall to .EnableMenuitemFromCSBX |
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[286] | 311 | |
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| 312 | |
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| 313 | ;-------------------------------------------------------------------- |
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[57] | 314 | ; .EnableMenuitemFromCSBX |
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| 315 | ; .DisableMenuitemFromCSBX |
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| 316 | ; Parameters: |
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| 317 | ; CS:BX: Ptr to MENUITEM |
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| 318 | ; Returns: |
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| 319 | ; Nothing |
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| 320 | ; Corrupts registers: |
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| 321 | ; Nothing |
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| 322 | ;-------------------------------------------------------------------- |
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| 323 | ALIGN JUMP_ALIGN |
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| 324 | .EnableMenuitemFromCSBX: |
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| 325 | or BYTE [cs:bx+MENUITEM.bFlags], FLG_MENUITEM_VISIBLE |
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| 326 | ret |
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| 327 | |
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| 328 | ALIGN JUMP_ALIGN |
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| 329 | .DisableMenuitemFromCSBX: |
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| 330 | and BYTE [cs:bx+MENUITEM.bFlags], ~FLG_MENUITEM_VISIBLE |
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| 331 | ret |
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[286] | 332 | |
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| 333 | |
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| 334 | ;-------------------------------------------------------------------- |
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| 335 | ; MENUITEM value reader functions |
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| 336 | ; Parameters: |
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| 337 | ; AX: Value from MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset |
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| 338 | ; DS:SI: Ptr to MENUITEM |
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| 339 | ; ES:DI: Ptr to value variable |
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| 340 | ; Returns: |
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| 341 | ; AX: Value with possible modifications |
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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 | ValueReaderForUserLbaValue: |
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| 347 | mov ax, [es:di+2] ; SHR 16 |
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| 348 | eSHIFT_IM ax, 4, shr ; SHR 16 + 4 = 20 |
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| 349 | ret |
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| 350 | |
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| 351 | |
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| 352 | ;-------------------------------------------------------------------- |
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| 353 | ; MENUITEM value writer functions |
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| 354 | ; Parameters: |
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| 355 | ; AX: Value to be written to MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset |
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| 356 | ; DS:SI: Ptr to MENUITEM |
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| 357 | ; ES:DI: Ptr to value variable |
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| 358 | ; Returns: |
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| 359 | ; AX: Value to be stored |
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| 360 | ; Corrupts registers: |
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| 361 | ; Nothing |
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| 362 | ;-------------------------------------------------------------------- |
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| 363 | ALIGN JUMP_ALIGN |
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| 364 | ValueWriterForUserLbaValue: |
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| 365 | eSHIFT_IM ax, 4, shl |
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| 366 | mov [es:di+2], ax |
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| 367 | xor ax, ax ; Store zero to [es:di] |
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| 368 | ret |
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