| 1 | ; File name : DialogString.asm
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| 2 | ; Project name : Assembly Library
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| 3 | ; Created date : 12.8.2010
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| 4 | ; Last update : 18.11.2010
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| 5 | ; Author : Tomi Tilli
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| 6 | ; Description : Displays word input dialog.
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| 7 |
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| 8 | ;
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| 9 | ; XTIDE Universal BIOS and Associated Tools
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| 10 | ; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2012 by XTIDE Universal BIOS Team.
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| 11 | ;
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| 12 | ; This program is free software; you can redistribute it and/or modify
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| 13 | ; it under the terms of the GNU General Public License as published by
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| 14 | ; the Free Software Foundation; either version 2 of the License, or
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| 15 | ; (at your option) any later version.
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| 16 | ;
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| 17 | ; This program is distributed in the hope that it will be useful,
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| 18 | ; but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 20 | ; GNU General Public License for more details.
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| 21 | ; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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| 22 | ;
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| 23 |
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| 24 | ; Section containing code
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| 25 | SECTION .text
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| 26 |
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| 27 | ;--------------------------------------------------------------------
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| 28 | ; DialogString_GetStringWithIoInDSSI
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| 29 | ; Parameters:
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| 30 | ; DS:SI: Ptr to STRING_DIALOG_IO
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| 31 | ; SS:BP: Ptr to parent MENU
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| 32 | ; Returns:
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| 33 | ; Nothing
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| 34 | ; Corrupts registers:
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| 35 | ; AX, BX, CX, DX, SI, DI
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| 36 | ;--------------------------------------------------------------------
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| 37 | ALIGN JUMP_ALIGN
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| 38 | DialogString_GetStringWithIoInDSSI:
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| 39 | mov bx, StringEventHandler
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| 40 | mov BYTE [si+STRING_DIALOG_IO.bUserCancellation], TRUE
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| 41 | jmp Dialog_DisplayWithDialogInputInDSSIandHandlerInBX
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| 42 |
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| 43 |
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| 44 | ;--------------------------------------------------------------------
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| 45 | ; StringEventHandler
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| 46 | ; Common parameters for all events:
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| 47 | ; BX: Menu event (anything from MENUEVENT struct)
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| 48 | ; SS:BP: Ptr to DIALOG
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| 49 | ; Common return values for all events:
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| 50 | ; CF: Set if event processed
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| 51 | ; Cleared if event not processed
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| 52 | ; Corrupts registers:
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| 53 | ; All
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| 54 | ;--------------------------------------------------------------------
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| 55 | ALIGN JUMP_ALIGN
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| 56 | StringEventHandler:
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| 57 | jmp [cs:bx+.rgfnEventHandlers]
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| 58 |
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| 59 |
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| 60 | ALIGN JUMP_ALIGN
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| 61 | .InitializeMenuinitFromDSSI:
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| 62 | xor ax, ax
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| 63 | jmp Dialog_EventInitializeMenuinitFromDSSIforSingleItemWithHighlightedItemInAX
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| 64 |
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| 65 |
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| 66 | ALIGN JUMP_ALIGN
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| 67 | .IdleProcessing:
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| 68 | xor cx, cx ; Item 0 is used as input line
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| 69 | call MenuText_AdjustDisplayContextForDrawingItemFromCX
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| 70 | call GetStringFromUser
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| 71 | call MenuInit_CloseMenuWindow
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| 72 | stc
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| 73 | ret
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| 74 |
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| 75 |
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| 76 | ALIGN WORD_ALIGN
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| 77 | .rgfnEventHandlers:
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| 78 | istruc MENUEVENT
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| 79 | at MENUEVENT.InitializeMenuinitFromDSSI, dw .InitializeMenuinitFromDSSI
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| 80 | at MENUEVENT.ExitMenu, dw Dialog_EventExitMenu
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| 81 | at MENUEVENT.IdleProcessing, dw .IdleProcessing
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| 82 | at MENUEVENT.ItemHighlightedFromCX, dw Dialog_EventNotHandled
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| 83 | at MENUEVENT.ItemSelectedFromCX, dw Dialog_EventNotHandled
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| 84 | at MENUEVENT.KeyStrokeInAX, dw Dialog_EventNotHandled
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| 85 | at MENUEVENT.RefreshTitle, dw Dialog_EventRefreshTitle
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| 86 | at MENUEVENT.RefreshInformation, dw Dialog_EventRefreshInformation
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| 87 | at MENUEVENT.RefreshItemFromCX, dw Dialog_EventNotHandled
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| 88 | iend
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| 89 |
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| 90 |
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| 91 | ;--------------------------------------------------------------------
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| 92 | ; GetStringFromUser
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| 93 | ; Parameters
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| 94 | ; SS:BP: Ptr to DIALOG
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| 95 | ; Returns:
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| 96 | ; Nothing (User input stored to STRING_DIALOG_IO)
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| 97 | ; Corrupts registers:
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| 98 | ; AX, CX, DX, SI, DI
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| 99 | ;--------------------------------------------------------------------
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| 100 | ALIGN JUMP_ALIGN
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| 101 | GetStringFromUser:
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| 102 | lds si, [bp+DIALOG.fpDialogIO]
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| 103 | mov cx, [si+STRING_DIALOG_IO.wBufferSize]
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| 104 | les di, [si+STRING_DIALOG_IO.fpReturnBuffer]
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| 105 | call .GetCharacterFilterFunctionToDX
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| 106 |
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| 107 | call Keyboard_ReadUserInputtedStringToESDIWhilePrinting
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| 108 | jz SHORT .UserCancellation
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| 109 |
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| 110 | mov BYTE [si+STRING_DIALOG_IO.bUserCancellation], FALSE
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| 111 | mov [si+STRING_DIALOG_IO.wReturnLength], cx
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| 112 | .UserCancellation:
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| 113 | ret
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| 114 |
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| 115 | ;--------------------------------------------------------------------
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| 116 | ; .GetCharacterFilterFunctionToDX
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| 117 | ; Parameters
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| 118 | ; DS:SI: Ptr to STRING_DIALOG_IO
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| 119 | ; SS:BP: Ptr to DIALOG
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| 120 | ; Returns:
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| 121 | ; CS:DX: Ptr to character filter function
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| 122 | ; Corrupts registers:
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| 123 | ; Nothing
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| 124 | ;--------------------------------------------------------------------
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| 125 | ALIGN JUMP_ALIGN
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| 126 | .GetCharacterFilterFunctionToDX:
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| 127 | mov dx, [si+STRING_DIALOG_IO.fnCharFilter]
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| 128 | test dx, dx
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| 129 | jnz SHORT .ReturnFilterFunctionInDX
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| 130 | mov dx, Char_CharIsValid
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| 131 | ALIGN JUMP_ALIGN, ret
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| 132 | .ReturnFilterFunctionInDX:
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| 133 | ret
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