| 1 | ; Project name : XTIDE Universal BIOS Configurator v2
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| 2 | ; Description : Menu event handling.
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| 3 |
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| 4 | ;
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| 5 | ; XTIDE Universal BIOS and Associated Tools
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| 6 | ; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2012 by XTIDE Universal BIOS Team.
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| 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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| 12 | ;
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| 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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| 16 | ; GNU General Public License for more details.
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| 17 | ; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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| 18 | ;
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| 19 |
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| 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 | ; MenuEvents_DisplayMenu
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| 25 | ; Parameters:
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| 26 | ; Nothing
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| 27 | ; Returns:
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| 28 | ; Nothing
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| 29 | ; Corrupts registers:
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| 30 | ; All, except segments
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| 31 | ;--------------------------------------------------------------------
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| 32 | ALIGN JUMP_ALIGN
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| 33 | MenuEvents_DisplayMenu:
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| 34 | mov bx, MenuEventHandler
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| 35 | JMP_MENU_LIBRARY DisplayWithHandlerInBXandUserDataInDXAX
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| 36 |
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| 37 |
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| 38 | ;--------------------------------------------------------------------
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| 39 | ; MenuEventHandler
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| 40 | ; Common parameters for all events:
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| 41 | ; BX: Menu event (anything from MENUEVENT struct)
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| 42 | ; SS:BP: Menu library handle
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| 43 | ; Common return values for all events:
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| 44 | ; CF: Set if event processed
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| 45 | ; Cleared if event not processed
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| 46 | ; Corrupts registers:
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| 47 | ; All
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| 48 | ;--------------------------------------------------------------------
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| 49 | ALIGN JUMP_ALIGN
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| 50 | MenuEventHandler:
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| 51 | cmp bx, MENUEVENT.RefreshItemFromCX ; Above last supported item?
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| 52 | ja SHORT .EventNotHandled
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| 53 | jmp [cs:bx+.rgfnEventSpecificHandlers]
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| 54 | .EventNotHandled:
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| 55 | .IdleProcessing:
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| 56 | clc
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| 57 | ret
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| 58 |
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| 59 | ALIGN WORD_ALIGN
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| 60 | .rgfnEventSpecificHandlers:
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| 61 | dw .InitializeMenuinitFromDSSI
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| 62 | dw .ExitMenu
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| 63 | dw .IdleProcessing
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| 64 | dw .ItemHighlightedFromCX
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| 65 | dw .ItemSelectedFromCX
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| 66 | dw .KeyStrokeInAX
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| 67 | dw .RefreshTitle
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| 68 | dw .RefreshInformation
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| 69 | dw .RefreshItemFromCX
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| 70 |
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| 71 |
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| 72 | ; Parameters:
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| 73 | ; DS:SI: Ptr to MENUINIT struct to initialize
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| 74 | ; Returns:
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| 75 | ; DS:SI: Ptr to initialized MENUINIT struct
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| 76 | ALIGN JUMP_ALIGN
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| 77 | .InitializeMenuinitFromDSSI:
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| 78 | push ds
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| 79 | push cs
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| 80 | pop ds
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| 81 | mov di, g_MenupageForMainMenu
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| 82 | call Menupage_SetActiveMenupageFromDSDI
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| 83 | call Menupage_GetVisibleMenuitemsToAXfromDSDI
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| 84 | pop ds
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| 85 |
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| 86 | mov WORD [si+MENUINIT.wItems], ax
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| 87 | mov WORD [si+MENUINIT.bTitleLines], TITLE_LINES_IN_MENU
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| 88 | mov WORD [si+MENUINIT.bInfoLines], INFO_LINES_IN_MENU
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| 89 | mov BYTE [si+MENUINIT.bWidth], MENU_WIDTH
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| 90 | CALL_DISPLAY_LIBRARY GetColumnsToALandRowsToAH
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| 91 | mov [si+MENUINIT.bHeight], ah
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| 92 | call MainMenu_EnterMenuOrModifyItemVisibility
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| 93 | stc
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| 94 | ret
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| 95 |
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| 96 |
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| 97 | ; Parameters:
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| 98 | ; None
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| 99 | ; Returns:
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| 100 | ; CF: Set to exit menu
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| 101 | ; Clear to cancel exit
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| 102 | ALIGN JUMP_ALIGN
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| 103 | .ExitMenu:
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| 104 | call Menupage_GetActiveMenupageToDSDI
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| 105 | mov si, [di+MENUPAGE.fnBack]
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| 106 | cmp si, ExitToDosFromBackButton
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| 107 | je SHORT .QuitProgram
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| 108 | call si ; Back to previous menu
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| 109 | clc
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| 110 | ret
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| 111 |
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| 112 | ALIGN JUMP_ALIGN
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| 113 | .QuitProgram:
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| 114 | call Dialogs_DisplayQuitDialog
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| 115 | jz SHORT .ExitToDOS
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| 116 | clc
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| 117 | ret
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| 118 | .ExitToDOS:
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| 119 | call Buffers_SaveChangesIfFileLoaded
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| 120 | CALL_MENU_LIBRARY Close
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| 121 | stc
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| 122 | ret
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| 123 |
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| 124 |
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| 125 | ; Parameters:
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| 126 | ; CX: Index of new highlighted item
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| 127 | ; DX: Index of previously highlighted item or NO_ITEM_HIGHLIGHTED
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| 128 | ALIGN JUMP_ALIGN
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| 129 | .ItemHighlightedFromCX:
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| 130 | CALL_MENU_LIBRARY ClearInformationArea
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| 131 | CALL_MENU_LIBRARY RefreshInformation
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| 132 | stc
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| 133 | ret
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| 134 |
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| 135 |
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| 136 | ; Parameters:
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| 137 | ; CX: Index of selected item
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| 138 | ALIGN JUMP_ALIGN
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| 139 | .ItemSelectedFromCX:
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| 140 | call Menupage_GetActiveMenupageToDSDI
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| 141 | call Menupage_GetCXthVisibleMenuitemToDSSIfromDSDI
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| 142 | call [si+MENUITEM.fnActivate]
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| 143 | stc
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| 144 | ret
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| 145 |
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| 146 |
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| 147 | ; Parameters:
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| 148 | ; AL: ASCII character for the key
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| 149 | ; AH: Keyboard library scan code for the key
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| 150 | ALIGN JUMP_ALIGN
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| 151 | .KeyStrokeInAX:
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| 152 | cmp ah, KEY_DISPLAY_ITEM_HELP
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| 153 | jne SHORT .EventNotHandled
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| 154 |
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| 155 | ;ALIGN JUMP_ALIGN
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| 156 | ;.DisplayHelp:
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| 157 | call Menupage_GetActiveMenupageToDSDI
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| 158 | CALL_MENU_LIBRARY GetHighlightedItemToAX
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| 159 | xchg cx, ax
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| 160 | call Menupage_GetCXthVisibleMenuitemToDSSIfromDSDI
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| 161 | call Menuitem_DisplayHelpMessageFromDSSI
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| 162 | stc
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| 163 | ret
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| 164 |
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| 165 |
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| 166 | ; Parameters:
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| 167 | ; CX: Index of item to refresh
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| 168 | ; Cursor has been positioned to the beginning of item line
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| 169 | ALIGN JUMP_ALIGN
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| 170 | .RefreshItemFromCX:
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| 171 | cmp cx, NO_ITEM_HIGHLIGHTED
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| 172 | je SHORT .NothingToRefresh
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| 173 | call Menupage_GetActiveMenupageToDSDI
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| 174 | call Menupage_GetCXthVisibleMenuitemToDSSIfromDSDI
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| 175 | jnc SHORT .NothingToRefresh
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| 176 | call MenuitemPrint_NameWithPossibleValueFromDSSI
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| 177 | .NothingToRefresh:
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| 178 | stc
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| 179 | ret
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| 180 |
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| 181 |
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| 182 | ; Parameters:
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| 183 | ; CX: Index of highlighted item
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| 184 | ; Cursor has been positioned to the beginning of first line
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| 185 | ALIGN JUMP_ALIGN
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| 186 | .RefreshInformation:
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| 187 | cmp cx, NO_ITEM_HIGHLIGHTED
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| 188 | je SHORT .NothingToRefresh
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| 189 | call Menupage_GetActiveMenupageToDSDI
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| 190 | call Menupage_GetCXthVisibleMenuitemToDSSIfromDSDI
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| 191 | call MenuitemPrint_PrintQuickInfoFromDSSI
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| 192 | stc
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| 193 | ret
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| 194 |
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| 195 |
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| 196 | ; Parameters:
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| 197 | ; CX: Index of highlighted item
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| 198 | ; Cursor has been positioned to the beginning of first line
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| 199 | ALIGN JUMP_ALIGN
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| 200 | .RefreshTitle:
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| 201 | call .PrintProgramName
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| 202 | call .PrintLoadStatus
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| 203 | call .PrintStatusOfUnsavedChanges
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| 204 | stc
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| 205 | .ReturnSinceNothingToPrint:
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| 206 | ret
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| 207 |
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| 208 | ALIGN JUMP_ALIGN
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| 209 | .PrintProgramName:
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| 210 | mov si, g_szProgramTitle
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| 211 | JMP_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI
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| 212 |
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| 213 | ALIGN JUMP_ALIGN
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| 214 | .PrintLoadStatus:
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| 215 | mov ax, [g_cfgVars+CFGVARS.wFlags]
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| 216 | test ax, FLG_CFGVARS_FILELOADED
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| 217 | jnz SHORT .PrintNameOfLoadedFile
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| 218 | test ax, FLG_CFGVARS_ROMLOADED
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| 219 | mov si, g_szEEPROM
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| 220 | jnz SHORT .PrintNameOfLoadedFileOrEeprom
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| 221 | ; Fall to .PrintNothingLoaded
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| 222 |
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| 223 | .PrintNothingLoaded:
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| 224 | mov si, g_szBiosIsNotLoaded
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| 225 | JMP_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI
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| 226 |
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| 227 | ALIGN JUMP_ALIGN
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| 228 | .PrintNameOfLoadedFile:
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| 229 | mov si, g_cfgVars+CFGVARS.szOpenedFile
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| 230 | ; Fall to .PrintNameOfLoadedFileOrEeprom
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| 231 |
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| 232 | ALIGN JUMP_ALIGN
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| 233 | .PrintNameOfLoadedFileOrEeprom:
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| 234 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI
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| 235 | ; Fall to .PrintTypeOfLoadedBios
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| 236 |
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| 237 | .PrintTypeOfLoadedBios:
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| 238 | mov si, g_szSourceAndTypeSeparator
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| 239 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI
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| 240 | call Buffers_IsXtideUniversalBiosLoaded
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| 241 | jne SHORT .PrintUnidentifiedType
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| 242 |
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| 243 | call Buffers_GetFileBufferToESDI
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| 244 | mov bx, es
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| 245 | lea si, [di+ROMVARS.szVersion]
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| 246 | JMP_DISPLAY_LIBRARY PrintNullTerminatedStringFromBXSI
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| 247 |
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| 248 | ALIGN JUMP_ALIGN
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| 249 | .PrintUnidentifiedType:
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| 250 | mov si, g_szUnidentified
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| 251 | JMP_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI
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| 252 |
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| 253 | ALIGN JUMP_ALIGN
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| 254 | .PrintStatusOfUnsavedChanges:
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| 255 | test WORD [g_cfgVars+CFGVARS.wFlags], FLG_CFGVARS_UNSAVED
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| 256 | jz SHORT .ReturnSinceNothingToPrint
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| 257 | mov si, g_szUnsaved
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| 258 | JMP_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI
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