| [41] | 1 | ; File name : DialogMessage.asm
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| 2 | ; Project name : Assembly Library
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| 3 | ; Created date : 6.8.2010
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| [58] | 4 | ; Last update : 18.11.2010
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| [41] | 5 | ; Author : Tomi Tilli
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| 6 | ; Description : Displays message dialog.
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| 7 |
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| [376] | 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 |
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| [41] | 25 | ; Section containing code
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| 26 | SECTION .text
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| 27 |
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| 28 | ;--------------------------------------------------------------------
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| 29 | ; DialogMessage_DisplayMessageWithInputInDSSI
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| 30 | ; Parameters:
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| 31 | ; DS:SI: Ptr to DIALOG_INPUT
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| 32 | ; SS:BP: Ptr to parent MENU
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| 33 | ; Returns:
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| 34 | ; Nothing
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| 35 | ; Corrupts registers:
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| 36 | ; AX, BX, CX, DX, SI, DI
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| 37 | ;--------------------------------------------------------------------
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| 38 | ALIGN JUMP_ALIGN
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| 39 | DialogMessage_DisplayMessageWithInputInDSSI:
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| 40 | mov bx, MessageEventHandler
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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 | ; MessageEventHandler
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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 | MessageEventHandler:
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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 | or BYTE [bp+MENU.bFlags], FLG_MENU_USER_HANDLES_SCROLLING | FLG_MENU_NOHIGHLIGHT
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| [52] | 63 | xor ax, ax ; Cannot be NO_ITEM_HIGHLIGHTED because of scrolling
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| 64 | jmp Dialog_EventInitializeMenuinitFromDSSIwithHighlightedItemInAX
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| [41] | 65 |
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| 66 |
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| 67 | ALIGN JUMP_ALIGN
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| 68 | .KeyStrokeInAX:
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| 69 | call ProcessMessageScrollingKeysFromAX
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| 70 | stc
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| 71 | ret
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| 72 |
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| 73 |
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| 74 | ALIGN WORD_ALIGN
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| 75 | .rgfnEventHandlers:
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| 76 | istruc MENUEVENT
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| 77 | at MENUEVENT.InitializeMenuinitFromDSSI, dw .InitializeMenuinitFromDSSI
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| [58] | 78 | at MENUEVENT.ExitMenu, dw Dialog_EventExitMenu
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| [41] | 79 | at MENUEVENT.IdleProcessing, dw Dialog_EventNotHandled
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| 80 | at MENUEVENT.ItemHighlightedFromCX, dw Dialog_EventNotHandled
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| 81 | at MENUEVENT.ItemSelectedFromCX, dw Dialog_EventAnyThatClosesDialog
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| 82 | at MENUEVENT.KeyStrokeInAX, dw .KeyStrokeInAX
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| 83 | at MENUEVENT.RefreshTitle, dw Dialog_EventRefreshTitle
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| 84 | at MENUEVENT.RefreshInformation, dw Dialog_EventRefreshInformation
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| 85 | at MENUEVENT.RefreshItemFromCX, dw Dialog_EventRefreshItemFromCX
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| 86 | iend
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| 87 |
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| 88 |
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| 89 | ;--------------------------------------------------------------------
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| 90 | ; ProcessMessageScrollingKeysFromAX
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| 91 | ; Parameters
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| 92 | ; AL: ASCII character
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| 93 | ; AH: BIOS scan code
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| 94 | ; SS:BP: Ptr to DIALOG
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| 95 | ; Returns:
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| 96 | ; Nothing
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| 97 | ; Corrupts registers:
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| 98 | ; BX, CX, DX, SI, DI
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| 99 | ;--------------------------------------------------------------------
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| 100 | ALIGN JUMP_ALIGN
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| 101 | ProcessMessageScrollingKeysFromAX:
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| 102 | cmp ah, MENU_KEY_UP
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| 103 | je SHORT .DecrementLines
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| 104 | cmp ah, MENU_KEY_DOWN
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| 105 | je SHORT .IncrementLines
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| 106 | jmp MenuLoop_ProcessScrollingKeysFromAX
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| 107 |
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| 108 | ALIGN JUMP_ALIGN
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| 109 | .DecrementLines:
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| [52] | 110 | cmp WORD [bp+MENUINIT.wHighlightedItem], BYTE 0
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| [41] | 111 | je SHORT .AlreadyAtTheTopOrBottom
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| 112 |
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| 113 | mov ax, [bp+MENU.wFirstVisibleItem]
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| [52] | 114 | mov [bp+MENUINIT.wHighlightedItem], ax
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| [41] | 115 | mov ah, MENU_KEY_UP
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| 116 | jmp MenuLoop_ProcessScrollingKeysFromAX
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| 117 |
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| 118 | ALIGN JUMP_ALIGN
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| 119 | .IncrementLines:
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| 120 | mov ax, [bp+MENUINIT.wItems]
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| 121 | dec ax ; Last possible item to highlight
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| [52] | 122 | cmp [bp+MENUINIT.wHighlightedItem], ax
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| [41] | 123 | jae SHORT .AlreadyAtTheTopOrBottom
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| 124 |
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| 125 | call MenuScrollbars_GetLastVisibleItemOnPageToAX
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| [52] | 126 | mov [bp+MENUINIT.wHighlightedItem], ax
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| [41] | 127 | mov ah, MENU_KEY_DOWN
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| 128 | jmp MenuLoop_ProcessScrollingKeysFromAX
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| 129 |
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| 130 | ALIGN JUMP_ALIGN
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| 131 | .AlreadyAtTheTopOrBottom:
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| 132 | ret
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