[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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[369] | 72 | at MENUITEM.itemValue + ITEM_VALUE.fnValueWriter, dw MasterSlaveMenu_WriteCHSFlag
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[57] | 73 | iend
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| 74 |
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| 75 | g_MenuitemMasterSlaveCylinders:
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| 76 | istruc MENUITEM
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| 77 | at MENUITEM.fnActivate, dw Menuitem_ActivateUnsignedInputForMenuitemInDSSI
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| 78 | at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteUnsignedValueStringToBufferInESDIfromItemInDSSI
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| 79 | at MENUITEM.szName, dw g_szItemDrvCyls
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| 80 | at MENUITEM.szQuickInfo, dw g_szNfoDrvCyls
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| 81 | at MENUITEM.szHelp, dw g_szNfoDrvCyls
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| 82 | at MENUITEM.bFlags, db NULL
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| 83 | at MENUITEM.bType, db TYPE_MENUITEM_UNSIGNED
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| 84 | at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw NULL
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| 85 | at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgDrvCyls
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| 86 | at MENUITEM.itemValue + ITEM_VALUE.wMinValue, dw 1
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| 87 | at MENUITEM.itemValue + ITEM_VALUE.wMaxValue, dw 16383
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[369] | 88 | %define MASTERSLAVE_CYLINDERS_DEFAULT 65
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[57] | 89 | iend
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| 90 |
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| 91 | g_MenuitemMasterSlaveHeads:
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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_szItemDrvHeads
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| 96 | at MENUITEM.szQuickInfo, dw g_szNfoDrvHeads
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| 97 | at MENUITEM.szHelp, dw g_szNfoDrvHeads
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| 98 | at MENUITEM.bFlags, db FLG_MENUITEM_BYTEVALUE
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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_szDlgDrvHeads
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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 16
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[369] | 104 | %define MASTERSLAVE_HEADS_DEFAULT 16
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[57] | 105 | iend
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| 106 |
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| 107 | g_MenuitemMasterSlaveSectors:
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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_szItemDrvSect
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| 112 | at MENUITEM.szQuickInfo, dw g_szNfoDrvSect
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| 113 | at MENUITEM.szHelp, dw g_szNfoDrvSect
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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_szDlgDrvSect
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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 63
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[369] | 120 | %define MASTERSLAVE_SECTORS_DEFAULT 63
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[57] | 121 | iend
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| 122 |
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[286] | 123 | g_MenuitemMasterSlaveUserLBA:
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| 124 | istruc MENUITEM
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| 125 | at MENUITEM.fnActivate, dw Menuitem_ActivateMultichoiceSelectionForMenuitemInDSSI
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| 126 | at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteLookupValueStringToBufferInESDIfromShiftedItemInDSSI
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| 127 | at MENUITEM.szName, dw g_szItemDrvUserLBA
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| 128 | at MENUITEM.szQuickInfo, dw g_szNfoDrvUserLBA
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| 129 | at MENUITEM.szHelp, dw g_szHelpDrvUserLBA
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| 130 | at MENUITEM.bFlags, db FLG_MENUITEM_VISIBLE | FLG_MENUITEM_MODIFY_MENU | FLG_MENUITEM_FLAGVALUE
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| 131 | at MENUITEM.bType, db TYPE_MENUITEM_MULTICHOICE
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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_szDlgDrvUserLBA
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| 134 | at MENUITEM.itemValue + ITEM_VALUE.szMultichoice, dw g_szMultichoiceBooleanFlag
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| 135 | at MENUITEM.itemValue + ITEM_VALUE.rgszValueToStringLookup, dw g_rgszValueToStringLookupForFlagBooleans
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| 136 | at MENUITEM.itemValue + ITEM_VALUE.wValueBitmask, dw FLG_DRVPARAMS_USERLBA
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[369] | 137 | at MENUITEM.itemValue + ITEM_VALUE.fnValueWriter, dw MasterSlaveMenu_WriteLBAFlag
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[286] | 138 | iend
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[57] | 139 |
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[286] | 140 | g_MenuitemMasterSlaveUserLbaValue:
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| 141 | istruc MENUITEM
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| 142 | at MENUITEM.fnActivate, dw Menuitem_ActivateUnsignedInputForMenuitemInDSSI
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| 143 | at MENUITEM.fnFormatValue, dw MenuitemPrint_WriteUnsignedValueStringToBufferInESDIfromItemInDSSI
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| 144 | at MENUITEM.szName, dw g_szItemDrvLbaSectors
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| 145 | at MENUITEM.szQuickInfo, dw g_szNfoDrvLbaSectors
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| 146 | at MENUITEM.szHelp, dw g_szNfoDrvLbaSectors
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| 147 | at MENUITEM.bFlags, db NULL
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| 148 | at MENUITEM.bType, db TYPE_MENUITEM_UNSIGNED
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| 149 | at MENUITEM.itemValue + ITEM_VALUE.wRomvarsValueOffset, dw NULL
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| 150 | at MENUITEM.itemValue + ITEM_VALUE.szDialogTitle, dw g_szDlgDrvLbaSectors
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[360] | 151 | at MENUITEM.itemValue + ITEM_VALUE.wMinValue, dw 1 ; 512 MiB
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[286] | 152 | at MENUITEM.itemValue + ITEM_VALUE.wMaxValue, dw 10000000h / (1024 * 1024) ; Limit to 28-bit LBA
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| 153 | at MENUITEM.itemValue + ITEM_VALUE.fnValueReader, dw ValueReaderForUserLbaValue
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| 154 | at MENUITEM.itemValue + ITEM_VALUE.fnValueWriter, dw ValueWriterForUserLbaValue
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[369] | 155 | %define MASTERSLAVE_USERLBA_DEFAULT 1
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[286] | 156 | iend
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| 157 |
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| 158 |
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| 159 | g_rgwChoiceToValueLookupForWriteCache:
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| 160 | dw DEFAULT_WRITE_CACHE
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| 161 | dw DISABLE_WRITE_CACHE
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| 162 | dw ENABLE_WRITE_CACHE
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| 163 |
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| 164 | g_rgszChoiceToStringLookupForWriteCache:
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| 165 | dw g_szValueBootDispModeDefault
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| 166 | dw g_szValueDrvWrCaDis
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| 167 | dw g_szValueDrvWrCaEn
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| 168 |
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| 169 |
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[57] | 170 | ; Section containing code
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| 171 | SECTION .text
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| 172 |
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| 173 | ;--------------------------------------------------------------------
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| 174 | ; MasterSlaveMenu_InitializeToDrvparamsOffsetInBX
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| 175 | ; Parameters:
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| 176 | ; SS:BP: Menu handle
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| 177 | ; Returns:
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| 178 | ; Nothing
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| 179 | ; Corrupts registers:
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| 180 | ; AX
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| 181 | ;--------------------------------------------------------------------
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| 182 | ALIGN JUMP_ALIGN
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| 183 | MasterSlaveMenu_InitializeToDrvparamsOffsetInBX:
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| 184 | lea ax, [bx+DRVPARAMS.wFlags]
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| 185 | mov [cs:g_MenuitemMasterSlaveBlockModeTransfers+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset], ax
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[286] | 186 | mov [cs:g_MenuitemMasterSlaveWriteCache+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset], ax
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[57] | 187 | mov [cs:g_MenuitemMasterSlaveUserCHS+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset], ax
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[286] | 188 | mov [cs:g_MenuitemMasterSlaveUserLBA+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset], ax
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[57] | 189 |
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| 190 | lea ax, [bx+DRVPARAMS.wCylinders]
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| 191 | mov [cs:g_MenuitemMasterSlaveCylinders+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset], ax
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| 192 |
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| 193 | lea ax, [bx+DRVPARAMS.bHeads]
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| 194 | mov [cs:g_MenuitemMasterSlaveHeads+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset], ax
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| 195 |
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| 196 | lea ax, [bx+DRVPARAMS.bSect]
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| 197 | mov [cs:g_MenuitemMasterSlaveSectors+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset], ax
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[286] | 198 |
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| 199 | lea ax, [bx+DRVPARAMS.dwMaximumLBA]
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| 200 | mov [cs:g_MenuitemMasterSlaveUserLbaValue+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset], ax
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[57] | 201 | ret
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| 202 |
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| 203 |
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| 204 | ;--------------------------------------------------------------------
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| 205 | ; MasterSlaveMenu_EnterMenuOrModifyItemVisibility
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| 206 | ; Parameters:
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| 207 | ; SS:BP: Menu handle
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| 208 | ; Returns:
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| 209 | ; Nothing
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| 210 | ; Corrupts registers:
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| 211 | ; All, except BP
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| 212 | ;--------------------------------------------------------------------
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| 213 | ALIGN JUMP_ALIGN
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| 214 | MasterSlaveMenu_EnterMenuOrModifyItemVisibility:
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| 215 | push cs
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| 216 | pop ds
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[286] | 217 | call .EnableOrDisableUserCHSandLBA
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[57] | 218 | call .EnableOrDisableCHandS
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[286] | 219 | call .EnableOrDisableUserLbaValue
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[57] | 220 | mov si, g_MenupageForMasterSlaveMenu
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| 221 | jmp Menupage_ChangeToNewMenupageInDSSI
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| 222 |
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[286] | 223 |
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[57] | 224 | ;--------------------------------------------------------------------
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[286] | 225 | ; .EnableOrDisableUserCHSandLBA
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| 226 | ; Parameters:
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| 227 | ; SS:BP: Menu handle
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| 228 | ; Returns:
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| 229 | ; Nothing
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| 230 | ; Corrupts registers:
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| 231 | ; AX, BX
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| 232 | ;--------------------------------------------------------------------
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| 233 | ALIGN JUMP_ALIGN
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| 234 | .EnableOrDisableUserCHSandLBA:
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| 235 | mov bx, [g_MenuitemMasterSlaveUserLBA+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset]
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| 236 | call Buffers_GetRomvarsValueToAXfromOffsetInBX
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| 237 | test ax, FLG_DRVPARAMS_USERLBA
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| 238 | jnz SHORT .DisableCHSandEnableLBA
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| 239 | test ax, FLG_DRVPARAMS_USERCHS
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| 240 | jnz SHORT .EnableCHSandDisableLBA
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| 241 |
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| 242 | ; Enable both
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| 243 | mov bx, g_MenuitemMasterSlaveUserCHS
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| 244 | call .EnableMenuitemFromCSBX
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| 245 | mov bx, g_MenuitemMasterSlaveUserLBA
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[293] | 246 | jmp .EnableMenuitemFromCSBX
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[286] | 247 |
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| 248 | ALIGN JUMP_ALIGN
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| 249 | .EnableCHSandDisableLBA:
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| 250 | mov bx, g_MenuitemMasterSlaveUserCHS
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| 251 | call .EnableMenuitemFromCSBX
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| 252 | mov bx, g_MenuitemMasterSlaveUserLBA
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[293] | 253 | jmp .DisableMenuitemFromCSBX
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[286] | 254 |
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| 255 | ALIGN JUMP_ALIGN
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| 256 | .DisableCHSandEnableLBA:
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| 257 | mov bx, g_MenuitemMasterSlaveUserLBA
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| 258 | call .EnableMenuitemFromCSBX
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| 259 | mov bx, g_MenuitemMasterSlaveUserCHS
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[293] | 260 | jmp .DisableMenuitemFromCSBX
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[286] | 261 |
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| 262 |
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| 263 | ;--------------------------------------------------------------------
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[57] | 264 | ; .EnableOrDisableCHandS
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| 265 | ; Parameters:
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| 266 | ; SS:BP: Menu handle
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| 267 | ; Returns:
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| 268 | ; Nothing
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| 269 | ; Corrupts registers:
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| 270 | ; AX, BX
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| 271 | ;--------------------------------------------------------------------
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| 272 | ALIGN JUMP_ALIGN
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| 273 | .EnableOrDisableCHandS:
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| 274 | mov bx, [cs:g_MenuitemMasterSlaveUserCHS+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset]
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| 275 | call Buffers_GetRomvarsValueToAXfromOffsetInBX
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| 276 | test ax, FLG_DRVPARAMS_USERCHS
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| 277 | jz SHORT .DisableCHandS
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[286] | 278 | test ax, FLG_DRVPARAMS_USERLBA
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| 279 | jnz SHORT .DisableCHandS
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[57] | 280 |
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| 281 | mov bx, g_MenuitemMasterSlaveCylinders
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| 282 | call .EnableMenuitemFromCSBX
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| 283 | mov bx, g_MenuitemMasterSlaveHeads
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| 284 | call .EnableMenuitemFromCSBX
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| 285 | mov bx, g_MenuitemMasterSlaveSectors
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[286] | 286 | jmp SHORT .EnableMenuitemFromCSBX
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[57] | 287 |
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| 288 | ALIGN JUMP_ALIGN
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| 289 | .DisableCHandS:
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| 290 | mov bx, g_MenuitemMasterSlaveCylinders
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| 291 | call .DisableMenuitemFromCSBX
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| 292 | mov bx, g_MenuitemMasterSlaveHeads
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| 293 | call .DisableMenuitemFromCSBX
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| 294 | mov bx, g_MenuitemMasterSlaveSectors
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[286] | 295 | jmp SHORT .DisableMenuitemFromCSBX
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[57] | 296 |
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[286] | 297 |
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[57] | 298 | ;--------------------------------------------------------------------
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[286] | 299 | ; .EnableOrDisableUserLbaValue
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| 300 | ; Parameters:
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| 301 | ; SS:BP: Menu handle
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| 302 | ; Returns:
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| 303 | ; Nothing
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| 304 | ; Corrupts registers:
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| 305 | ; AX, BX
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| 306 | ;--------------------------------------------------------------------
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| 307 | ALIGN JUMP_ALIGN
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| 308 | .EnableOrDisableUserLbaValue:
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| 309 | mov bx, [cs:g_MenuitemMasterSlaveUserLBA+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset]
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| 310 | call Buffers_GetRomvarsValueToAXfromOffsetInBX
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| 311 | mov bx, g_MenuitemMasterSlaveUserLbaValue
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| 312 | test ax, FLG_DRVPARAMS_USERCHS
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| 313 | jnz SHORT .DisableMenuitemFromCSBX
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| 314 | test ax, FLG_DRVPARAMS_USERLBA
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| 315 | jz SHORT .DisableMenuitemFromCSBX
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[293] | 316 | ; Fall to .EnableMenuitemFromCSBX
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[286] | 317 |
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| 318 |
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| 319 | ;--------------------------------------------------------------------
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[57] | 320 | ; .EnableMenuitemFromCSBX
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| 321 | ; .DisableMenuitemFromCSBX
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| 322 | ; Parameters:
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| 323 | ; CS:BX: Ptr to MENUITEM
|
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| 324 | ; Returns:
|
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| 325 | ; Nothing
|
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| 326 | ; Corrupts registers:
|
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| 327 | ; Nothing
|
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| 328 | ;--------------------------------------------------------------------
|
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| 329 | ALIGN JUMP_ALIGN
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| 330 | .EnableMenuitemFromCSBX:
|
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| 331 | or BYTE [cs:bx+MENUITEM.bFlags], FLG_MENUITEM_VISIBLE
|
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| 332 | ret
|
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| 333 |
|
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| 334 | ALIGN JUMP_ALIGN
|
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| 335 | .DisableMenuitemFromCSBX:
|
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| 336 | and BYTE [cs:bx+MENUITEM.bFlags], ~FLG_MENUITEM_VISIBLE
|
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| 337 | ret
|
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[286] | 338 |
|
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| 339 |
|
---|
| 340 | ;--------------------------------------------------------------------
|
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| 341 | ; MENUITEM value reader functions
|
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| 342 | ; Parameters:
|
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| 343 | ; AX: Value from MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset
|
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| 344 | ; DS:SI: Ptr to MENUITEM
|
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| 345 | ; ES:DI: Ptr to value variable
|
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| 346 | ; Returns:
|
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| 347 | ; AX: Value with possible modifications
|
---|
| 348 | ; Corrupts registers:
|
---|
| 349 | ; Nothing
|
---|
| 350 | ;--------------------------------------------------------------------
|
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| 351 | ALIGN JUMP_ALIGN
|
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| 352 | ValueReaderForUserLbaValue:
|
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[345] | 353 | push dx
|
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| 354 |
|
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| 355 | mov ax, [es:di]
|
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| 356 | mov dx, [es:di+2] ; DX:AX now holds user defined LBA28 limit
|
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| 357 | add ax, BYTE 1 ; Increment by one
|
---|
| 358 | adc dx, BYTE 0
|
---|
| 359 |
|
---|
| 360 | xchg ax, dx ; SHR 16
|
---|
| 361 | eSHIFT_IM ax, 4, shr ; SHR 4 => AX = DX:AX / (1024*1024)
|
---|
| 362 |
|
---|
| 363 | pop dx
|
---|
[286] | 364 | ret
|
---|
| 365 |
|
---|
| 366 |
|
---|
| 367 | ;--------------------------------------------------------------------
|
---|
| 368 | ; MENUITEM value writer functions
|
---|
| 369 | ; Parameters:
|
---|
| 370 | ; AX: Value to be written to MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset
|
---|
| 371 | ; DS:SI: Ptr to MENUITEM
|
---|
| 372 | ; ES:DI: Ptr to value variable
|
---|
| 373 | ; Returns:
|
---|
| 374 | ; AX: Value to be stored
|
---|
| 375 | ; Corrupts registers:
|
---|
| 376 | ; Nothing
|
---|
| 377 | ;--------------------------------------------------------------------
|
---|
| 378 | ALIGN JUMP_ALIGN
|
---|
| 379 | ValueWriterForUserLbaValue:
|
---|
[345] | 380 | push dx
|
---|
| 381 |
|
---|
| 382 | xor dx, dx
|
---|
[286] | 383 | eSHIFT_IM ax, 4, shl
|
---|
[345] | 384 | xchg dx, ax ; DX:AX now holds AX * 1024 * 1024
|
---|
| 385 |
|
---|
| 386 | sub ax, BYTE 1 ; Decrement DX:AX by one
|
---|
| 387 | sbb dx, BYTE 0 ; (necessary since maximum LBA28 sector count is 0FFF FFFFh)
|
---|
| 388 |
|
---|
| 389 | mov [es:di+2], dx ; Store DX by ourselves
|
---|
| 390 | pop dx
|
---|
| 391 | ret ; AX will be stored by our menu system
|
---|
[369] | 392 |
|
---|
| 393 | ;
|
---|
| 394 | ; No change to CHS flag, but we use this opportunity to change defaults stored in the CHS values if we are
|
---|
| 395 | ; changing in/out of user CHS settings (since we use these bytes in different ways with the LBA setting).
|
---|
| 396 | ;
|
---|
| 397 | ALIGN JUMP_ALIGN
|
---|
| 398 | MasterSlaveMenu_WriteCHSFlag:
|
---|
| 399 | test word [es:di], FLG_DRVPARAMS_USERCHS
|
---|
| 400 | jnz .alreadySet
|
---|
| 401 |
|
---|
| 402 | push ax
|
---|
| 403 | push di
|
---|
| 404 | push si
|
---|
| 405 |
|
---|
| 406 | mov ax, MASTERSLAVE_CYLINDERS_DEFAULT
|
---|
| 407 | mov si, g_MenuitemMasterSlaveCylinders
|
---|
| 408 | call Menuitem_StoreValueFromAXtoMenuitemInDSSI
|
---|
| 409 |
|
---|
| 410 | mov ax, MASTERSLAVE_HEADS_DEFAULT
|
---|
| 411 | mov si, g_MenuitemMasterSlaveHeads
|
---|
| 412 | call Menuitem_StoreValueFromAXtoMenuitemInDSSI
|
---|
| 413 |
|
---|
| 414 | mov ax, MASTERSLAVE_SECTORS_DEFAULT
|
---|
| 415 | mov si, g_MenuitemMasterSlaveSectors
|
---|
| 416 | call Menuitem_StoreValueFromAXtoMenuitemInDSSI
|
---|
| 417 |
|
---|
| 418 | pop si
|
---|
| 419 | pop di
|
---|
| 420 | pop ax
|
---|
| 421 |
|
---|
| 422 | .alreadySet:
|
---|
| 423 | ret
|
---|
| 424 |
|
---|
| 425 | ;
|
---|
| 426 | ; No change to LBA flag, but we use this opportunity to change defaults stored in the LBA value if we are
|
---|
| 427 | ; changing in/out of user LBA settings (since we use these bytes in different ways with the CHS setting).
|
---|
| 428 | ;
|
---|
| 429 | ALIGN JUMP_ALIGN
|
---|
| 430 | MasterSlaveMenu_WriteLBAFlag:
|
---|
| 431 | test word [es:di], FLG_DRVPARAMS_USERLBA
|
---|
| 432 | jnz .alreadySet
|
---|
| 433 |
|
---|
| 434 | push ax
|
---|
| 435 | push di
|
---|
| 436 | push si
|
---|
| 437 |
|
---|
| 438 | mov ax, MASTERSLAVE_USERLBA_DEFAULT
|
---|
| 439 | mov si, g_MenuitemMasterSlaveUserLbaValue
|
---|
| 440 | call Menuitem_StoreValueFromAXtoMenuitemInDSSI
|
---|
| 441 |
|
---|
| 442 | pop si
|
---|
| 443 | pop di
|
---|
| 444 | pop ax
|
---|
| 445 |
|
---|
| 446 | .alreadySet:
|
---|
| 447 | ret
|
---|