[57] | 1 | ; Project name : XTIDE Universal BIOS Configurator v2
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| 2 | ; Description : Functions for accessing MENUITEM structs.
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| 3 |
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[376] | 4 | ;
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[525] | 5 | ; XTIDE Universal BIOS and Associated Tools
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[625] | 6 | ; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2023 by XTIDE Universal BIOS Team.
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[376] | 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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[525] | 12 | ;
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[376] | 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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[525] | 16 | ; GNU General Public License for more details.
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[376] | 17 | ; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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[525] | 18 | ;
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[376] | 19 |
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[57] | 20 | ; Section containing code
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| 21 | SECTION .text
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| 22 |
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| 23 | ;--------------------------------------------------------------------
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| 24 | ; Menuitem_DisplayHelpMessageFromDSSI
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| 25 | ; Parameters:
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| 26 | ; DS:SI: Ptr to MENUITEM
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| 27 | ; Returns:
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| 28 | ; Nothing
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| 29 | ; Corrupts registers:
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| 30 | ; AX, DX, DI
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| 31 | ;--------------------------------------------------------------------
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| 32 | ALIGN JUMP_ALIGN
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| 33 | Menuitem_DisplayHelpMessageFromDSSI:
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| 34 | mov di, [si+MENUITEM.szName]
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| 35 | mov dx, [si+MENUITEM.szHelp]
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| 36 | jmp Dialogs_DisplayHelpFromCSDXwithTitleInCSDI
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| 37 |
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| 38 |
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| 39 | ;--------------------------------------------------------------------
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[108] | 40 | ; Menuitem_ActivateMultichoiceSelectionForMenuitemInDSSI
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[57] | 41 | ; Parameters:
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| 42 | ; DS:SI: Ptr to MENUITEM
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| 43 | ; Returns:
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| 44 | ; Nothing
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| 45 | ; Corrupts registers:
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| 46 | ; AX, BX, CX, SI, DI, ES
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| 47 | ;--------------------------------------------------------------------
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| 48 | ALIGN JUMP_ALIGN
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[108] | 49 | Menuitem_ActivateMultichoiceSelectionForMenuitemInDSSI:
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[107] | 50 | call Registers_CopyDSSItoESDI
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[57] | 51 |
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[602] | 52 | mov cl, DIALOG_INPUT_size
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| 53 | call Memory_ReserveCLbytesFromStackToDSSI
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[57] | 54 | call InitializeDialogInputInDSSIfromMenuitemInESDI
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[592] | 55 | mov ax, [es:di+MENUITEM.itemValue+ITEM_VALUE.szMultichoice]
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[57] | 56 | mov [si+DIALOG_INPUT.fszItems], ax
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| 57 | push di
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| 58 | CALL_MENU_LIBRARY GetSelectionToAXwithInputInDSSI
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| 59 | pop di
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| 60 |
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[592] | 61 | inc ax ; NO_ITEM_SELECTED ?
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| 62 | jz SHORT .NothingToChange
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| 63 | dec ax
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[107] | 64 | call Registers_CopyESDItoDSSI
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[57] | 65 | call Menuitem_StoreValueFromAXtoMenuitemInDSSI
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| 66 | .NothingToChange:
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| 67 | add sp, BYTE DIALOG_INPUT_size
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| 68 | ret
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| 69 |
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| 70 |
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| 71 | ;--------------------------------------------------------------------
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| 72 | ; Menuitem_ActivateHexInputForMenuitemInDSSI
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| 73 | ; Menuitem_ActivateUnsignedInputForMenuitemInDSSI
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| 74 | ; Parameters:
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| 75 | ; DS:SI: Ptr to MENUITEM
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| 76 | ; Returns:
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[286] | 77 | ; CF: Cleared if value inputted
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| 78 | ; Set if user cancellation
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[57] | 79 | ; Corrupts registers:
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| 80 | ; AX, BX, CX, SI, DI, ES
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| 81 | ;--------------------------------------------------------------------
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[592] | 82 | Menuitem_ActivateHexInputForMenuitemInDSSI:
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| 83 | mov bl, 16
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| 84 | SKIP2B ax
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[57] | 85 | Menuitem_ActivateUnsignedInputForMenuitemInDSSI:
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[592] | 86 | mov bl, 10
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| 87 |
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[107] | 88 | call Registers_CopyDSSItoESDI
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[602] | 89 | mov cl, WORD_DIALOG_IO_size
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| 90 | call Memory_ReserveCLbytesFromStackToDSSI
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[57] | 91 | call InitializeDialogInputInDSSIfromMenuitemInESDI
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[592] | 92 | mov [si+WORD_DIALOG_IO.bNumericBase], bl
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| 93 | mov ax, [es:di+MENUITEM.itemValue+ITEM_VALUE.wMinValue]
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[57] | 94 | mov [si+WORD_DIALOG_IO.wMin], ax
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[592] | 95 | mov ax, [es:di+MENUITEM.itemValue+ITEM_VALUE.wMaxValue]
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[57] | 96 | mov [si+WORD_DIALOG_IO.wMax], ax
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| 97 | push di
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| 98 | CALL_MENU_LIBRARY GetWordWithIoInDSSI
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| 99 | pop di
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| 100 |
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[286] | 101 | mov cl, [si+WORD_DIALOG_IO.bUserCancellation]
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| 102 | cmp cl, TRUE
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[57] | 103 | je SHORT .NothingToChange
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| 104 | mov ax, [si+WORD_DIALOG_IO.wReturnWord]
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[107] | 105 | call Registers_CopyESDItoDSSI
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[57] | 106 | call Menuitem_StoreValueFromAXtoMenuitemInDSSI
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| 107 | .NothingToChange:
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| 108 | add sp, BYTE WORD_DIALOG_IO_size
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[286] | 109 | shr cl, 1
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[57] | 110 | ret
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| 111 |
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| 112 |
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| 113 | ;--------------------------------------------------------------------
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| 114 | ; InitializeDialogInputInDSSIfromMenuitemInESDI
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| 115 | ; Parameters:
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| 116 | ; DS:SI: Ptr to DIALOG_INPUT
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| 117 | ; ES:DI: Ptr to MENUITEM
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| 118 | ; Returns:
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| 119 | ; Nothing
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| 120 | ; Corrupts registers:
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| 121 | ; AX
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| 122 | ;--------------------------------------------------------------------
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| 123 | ALIGN JUMP_ALIGN
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| 124 | InitializeDialogInputInDSSIfromMenuitemInESDI:
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[592] | 125 | mov ax, [es:di+MENUITEM.itemValue+ITEM_VALUE.szDialogTitle]
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[57] | 126 | mov [si+DIALOG_INPUT.fszTitle], ax
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| 127 | mov [si+DIALOG_INPUT.fszTitle+2], cs
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| 128 |
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| 129 | mov [si+DIALOG_INPUT.fszItems+2], cs
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| 130 |
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| 131 | mov ax, [es:di+MENUITEM.szQuickInfo]
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| 132 | mov [si+DIALOG_INPUT.fszInfo], ax
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| 133 | mov [si+DIALOG_INPUT.fszInfo+2], cs
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| 134 | ret
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| 135 |
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| 136 | ;--------------------------------------------------------------------
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| 137 | ; Menuitem_StoreValueFromAXtoMenuitemInDSSI
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| 138 | ; Parameters:
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[108] | 139 | ; AX: Value or multichoice selection to store
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[57] | 140 | ; DS:SI: Ptr to MENUITEM
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| 141 | ; SS:BP: Menu handle
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| 142 | ; Returns:
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| 143 | ; Nothing
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| 144 | ; Corrupts registers:
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| 145 | ; AX, BX, DI, ES
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| 146 | ;--------------------------------------------------------------------
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| 147 | ALIGN JUMP_ALIGN
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| 148 | Menuitem_StoreValueFromAXtoMenuitemInDSSI:
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[592] | 149 | %if 0
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| 150 | ; 3 bytes more but this will always invoke the Writer, even if it's an invalid item type (which might be useful).
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[293] | 151 | eMOVZX bx, [si+MENUITEM.bType]
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[57] | 152 | cmp bl, TYPE_MENUITEM_HEX
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[592] | 153 | %else
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| 154 | ; This will only invoke the Writer for valid item types.
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| 155 | mov bx, -TYPE_MENUITEM_MULTICHOICE & 0FFh
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| 156 | add bl, [si+MENUITEM.bType]
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| 157 | jnc SHORT .InvalidItemType
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| 158 | cmp bl, TYPE_MENUITEM_HEX - TYPE_MENUITEM_MULTICHOICE
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| 159 | %endif
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[57] | 160 | ja SHORT .InvalidItemType
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| 161 |
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[59] | 162 | call GetConfigurationBufferToESDIforMenuitemInDSSI
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[57] | 163 | add di, [si+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset]
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[525] | 164 |
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[592] | 165 | push WORD [cs:bx+.rgfnJumpToStoreValueBasedOnItemType]
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| 166 | mov bx, [si+MENUITEM.itemValue+ITEM_VALUE.fnValueWriter]
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| 167 | test bx, bx
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| 168 | jnz SHORT .InvokeWriter
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| 169 | .InvalidItemType:
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[369] | 170 | pop bx
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[592] | 171 | .InvokeWriter:
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| 172 | jmp bx ; The Writer can freely corrupt BX
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[525] | 173 |
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[57] | 174 | ALIGN WORD_ALIGN
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| 175 | .rgfnJumpToStoreValueBasedOnItemType:
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[592] | 176 | ; dw .InvalidItemType ; TYPE_MENUITEM_PAGEBACK
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| 177 | ; dw .InvalidItemType ; TYPE_MENUITEM_PAGENEXT
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| 178 | ; dw .InvalidItemType ; TYPE_MENUITEM_ACTION
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[108] | 179 | dw .StoreMultichoiceValueFromAXtoESDIwithItemInDSSI ; TYPE_MENUITEM_MULTICHOICE
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[57] | 180 | dw .StoreByteOrWordValueFromAXtoESDIwithItemInDSSI ; TYPE_MENUITEM_UNSIGNED
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| 181 | dw .StoreByteOrWordValueFromAXtoESDIwithItemInDSSI ; TYPE_MENUITEM_HEX
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| 182 |
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| 183 | ;--------------------------------------------------------------------
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[108] | 184 | ; .StoreMultichoiceValueFromAXtoESDIwithItemInDSSI
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[57] | 185 | ; Parameters:
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[108] | 186 | ; AX: Multichoice selection (index)
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[57] | 187 | ; DS:SI: Ptr to MENUITEM
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| 188 | ; ES:DI: Ptr to value variable
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| 189 | ; SS:BP: Menu handle
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| 190 | ; Returns:
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| 191 | ; Nothing
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| 192 | ; Corrupts registers:
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| 193 | ; AX, BX, DI
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| 194 | ;--------------------------------------------------------------------
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| 195 | ALIGN JUMP_ALIGN
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[108] | 196 | .StoreMultichoiceValueFromAXtoESDIwithItemInDSSI:
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[286] | 197 | test BYTE [si+MENUITEM.bFlags], FLG_MENUITEM_MASKVALUE
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| 198 | jnz SHORT .ClearBitsUsingMask
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[57] | 199 | test BYTE [si+MENUITEM.bFlags], FLG_MENUITEM_FLAGVALUE
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[108] | 200 | jz SHORT .TranslateChoiceToValueUsingLookupTable
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[57] | 201 |
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| 202 | test ax, ax ; Setting item flag?
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| 203 | mov ax, [si+MENUITEM.itemValue+ITEM_VALUE.wValueBitmask]
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| 204 | jnz SHORT .SetFlagFromAX
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| 205 | not ax
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| 206 | and [es:di], ax ; Clear flag
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| 207 | jmp SHORT .SetUnsavedChanges
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| 208 | ALIGN JUMP_ALIGN
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| 209 | .SetFlagFromAX:
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| 210 | or [es:di], ax
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| 211 | jmp SHORT .SetUnsavedChanges
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| 212 |
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| 213 | ALIGN JUMP_ALIGN
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[286] | 214 | .ClearBitsUsingMask:
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| 215 | mov bx, [si+MENUITEM.itemValue+ITEM_VALUE.wValueBitmask]
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| 216 | not bx
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| 217 | and [es:di], bx
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| 218 | ; Fall to .TranslateChoiceToValueUsingLookupTable
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| 219 |
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| 220 |
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| 221 | ALIGN JUMP_ALIGN
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[108] | 222 | .TranslateChoiceToValueUsingLookupTable:
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[199] | 223 | ;
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| 224 | ; if the lookup pointer is NULL, no translation is needed
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[293] | 225 | ;
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[199] | 226 | mov bx, [si+MENUITEM.itemValue+ITEM_VALUE.rgwChoiceToValueLookup]
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| 227 | test bx, bx
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[603] | 228 | jz SHORT .StoreByteOrWordValueFromAXtoESDIwithItemInDSSI
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[293] | 229 |
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[592] | 230 | eSHL_IM ax, 1 ; Shift for WORD lookup
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[199] | 231 | add bx, ax
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[57] | 232 | mov ax, [bx] ; Lookup complete
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| 233 | ; Fall to .StoreByteOrWordValueFromAXtoESDIwithItemInDSSI
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| 234 |
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| 235 | ;--------------------------------------------------------------------
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| 236 | ; .StoreByteOrWordValueFromAXtoESDIwithItemInDSSI
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| 237 | ; Parameters:
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| 238 | ; AX: Value to store
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| 239 | ; DS:SI: Ptr to MENUITEM
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| 240 | ; ES:DI: Ptr to value variable
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| 241 | ; SS:BP: Menu handle
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| 242 | ; Returns:
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| 243 | ; Nothing
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| 244 | ; Corrupts registers:
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| 245 | ; AX, DI
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| 246 | ;--------------------------------------------------------------------
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| 247 | ALIGN JUMP_ALIGN
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| 248 | .StoreByteOrWordValueFromAXtoESDIwithItemInDSSI:
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[286] | 249 | test BYTE [si+MENUITEM.bFlags], FLG_MENUITEM_MASKVALUE
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| 250 | jz SHORT .StoreByteOrWord
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[425] | 251 | push cx
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| 252 | mov cl, [si+MENUITEM.itemValue+ITEM_VALUE.bFieldPosition]
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| 253 | shl ax, cl
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| 254 | pop cx
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[286] | 255 | or [es:di], ax
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| 256 | jmp SHORT .SetUnsavedChanges
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| 257 |
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| 258 | .StoreByteOrWord:
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[57] | 259 | test BYTE [si+MENUITEM.bFlags], FLG_MENUITEM_BYTEVALUE
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| 260 | jnz SHORT .StoreByteFromAL
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[286] | 261 |
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[57] | 262 | mov [es:di+1], ah
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| 263 | ALIGN JUMP_ALIGN
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| 264 | .StoreByteFromAL:
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| 265 | mov [es:di], al
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| 266 | ; Fall to .SetUnsavedChanges
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| 267 |
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| 268 | ;--------------------------------------------------------------------
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| 269 | ; .SetUnsavedChanges
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| 270 | ; Parameters:
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| 271 | ; DS:SI: Ptr to MENUITEM
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| 272 | ; SS:BP: Menu handle
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| 273 | ; Returns:
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| 274 | ; Nothing
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| 275 | ; Corrupts registers:
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| 276 | ; AX, DI
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| 277 | ;--------------------------------------------------------------------
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| 278 | ALIGN JUMP_ALIGN
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| 279 | .SetUnsavedChanges:
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[59] | 280 | test BYTE [si+MENUITEM.bFlags], FLG_MENUITEM_PROGRAMVAR
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| 281 | jnz SHORT .NoUnsavedChangesForProgramVariables
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[57] | 282 | call Buffers_SetUnsavedChanges
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[59] | 283 | .NoUnsavedChangesForProgramVariables:
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[57] | 284 | test BYTE [si+MENUITEM.bFlags], FLG_MENUITEM_MODIFY_MENU
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| 285 | jnz SHORT .ModifyItemVisibility
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| 286 | CALL_MENU_LIBRARY RefreshTitle
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| 287 | CALL_MENU_LIBRARY GetHighlightedItemToAX
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[525] | 288 | JMP_MENU_LIBRARY RefreshItemFromAX
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[57] | 289 |
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| 290 | ALIGN JUMP_ALIGN
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| 291 | .ModifyItemVisibility:
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| 292 | push es
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| 293 | push ds
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| 294 | ePUSHA
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| 295 | call Menupage_GetActiveMenupageToDSDI
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| 296 | call [di+MENUPAGE.fnEnter]
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| 297 | ePOPA
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| 298 | pop ds
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| 299 | pop es
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| 300 | ret
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| 301 |
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| 302 |
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| 303 | ;--------------------------------------------------------------------
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| 304 | ; Menuitem_GetValueToAXfromMenuitemInDSSI
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| 305 | ; Parameters:
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| 306 | ; DS:SI: Ptr to MENUITEM
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| 307 | ; Returns:
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| 308 | ; AX: Menuitem value
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| 309 | ; Corrupts registers:
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[592] | 310 | ; Nothing
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[57] | 311 | ;--------------------------------------------------------------------
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| 312 | ALIGN JUMP_ALIGN
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| 313 | Menuitem_GetValueToAXfromMenuitemInDSSI:
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[625] | 314 | ; Note! Changes to this procedure might require changes to
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| 315 | ; ReadRamVars in ConfigurationMenu.asm as well!
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[59] | 316 | push es
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| 317 | push di
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[199] | 318 | push bx
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[59] | 319 | call GetConfigurationBufferToESDIforMenuitemInDSSI
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| 320 | add di, [si+MENUITEM.itemValue+ITEM_VALUE.wRomvarsValueOffset]
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| 321 | mov ax, [es:di]
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[199] | 322 |
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[233] | 323 | test BYTE [si+MENUITEM.bFlags], FLG_MENUITEM_BYTEVALUE
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| 324 | jz SHORT .NoConvertWordToByteValue
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[592] | 325 | xor ah, ah ; conversion needs to happen before call to the reader,
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| 326 | ; in case the reader unpacks the byte to a word
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[293] | 327 |
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[233] | 328 | .NoConvertWordToByteValue:
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[199] | 329 | mov bx, [si+MENUITEM.itemValue+ITEM_VALUE.fnValueReader]
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| 330 | test bx,bx
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| 331 | jz SHORT .NoReader
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| 332 |
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[592] | 333 | call bx ; The Reader can freely corrupt BX, DI and ES
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[199] | 334 |
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[293] | 335 | .NoReader:
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[199] | 336 | pop bx
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[59] | 337 | pop di
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| 338 | pop es
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| 339 |
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[286] | 340 | test BYTE [si+MENUITEM.bFlags], FLG_MENUITEM_MASKVALUE
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| 341 | jz SHORT .TestIfFlagValue
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[425] | 342 |
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[286] | 343 | and ax, [si+MENUITEM.itemValue+ITEM_VALUE.wValueBitmask]
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[425] | 344 | push cx
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| 345 | mov cl, [si+MENUITEM.itemValue+ITEM_VALUE.bFieldPosition]
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| 346 | shr ax, cl
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| 347 | pop cx
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[286] | 348 | ret
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| 349 |
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| 350 | .TestIfFlagValue:
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[181] | 351 | test BYTE [si+MENUITEM.bFlags], FLG_MENUITEM_FLAGVALUE
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| 352 | jz SHORT .Return
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[57] | 353 |
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| 354 | test ax, [si+MENUITEM.itemValue+ITEM_VALUE.wValueBitmask]
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[181] | 355 | mov ax, TRUE<<1 ; Shift for lookup
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| 356 | jnz SHORT .Return
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[57] | 357 | xor ax, ax
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[233] | 358 |
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[181] | 359 | ALIGN JUMP_ALIGN, ret
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| 360 | .Return:
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[57] | 361 | ret
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[59] | 362 |
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| 363 |
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| 364 | ;--------------------------------------------------------------------
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| 365 | ; GetConfigurationBufferToESDIforMenuitemInDSSI
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| 366 | ; Parameters:
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| 367 | ; DS:SI: Ptr to MENUITEM
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| 368 | ; Returns:
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| 369 | ; ES:DI: Ptr to configuration buffer
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| 370 | ; Corrupts registers:
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| 371 | ; Nothing
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| 372 | ;--------------------------------------------------------------------
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| 373 | ALIGN JUMP_ALIGN
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| 374 | GetConfigurationBufferToESDIforMenuitemInDSSI:
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| 375 | test BYTE [si+MENUITEM.bFlags], FLG_MENUITEM_PROGRAMVAR
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| 376 | jnz SHORT .ReturnCfgvarsInESDI
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| 377 | jmp Buffers_GetFileBufferToESDI
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| 378 | ALIGN JUMP_ALIGN
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| 379 | .ReturnCfgvarsInESDI:
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| 380 | push cs
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| 381 | pop es
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| 382 | mov di, g_cfgVars
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| 383 | ret
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[567] | 384 |
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| 385 |
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| 386 | ;--------------------------------------------------------------------
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| 387 | ; EnableMenuitemFromCSBX
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| 388 | ; DisableMenuitemFromCSBX
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| 389 | ; Parameters:
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| 390 | ; CS:BX: Ptr to MENUITEM
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| 391 | ; Returns:
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| 392 | ; Nothing
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| 393 | ; Corrupts registers:
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| 394 | ; Nothing
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| 395 | ;--------------------------------------------------------------------
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| 396 | ALIGN JUMP_ALIGN
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| 397 | EnableMenuitemFromCSBX:
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| 398 | or BYTE [cs:bx+MENUITEM.bFlags], FLG_MENUITEM_VISIBLE
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| 399 | ret
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| 400 |
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| 401 | ALIGN JUMP_ALIGN
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| 402 | DisableMenuitemFromCSBX:
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| 403 | and BYTE [cs:bx+MENUITEM.bFlags], ~FLG_MENUITEM_VISIBLE
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| 404 | ret
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