[57] | 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 | ; Section containing code
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| 5 | SECTION .text
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| 6 |
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| 7 | ;--------------------------------------------------------------------
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| 8 | ; MenuEvents_DisplayMenu
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| 9 | ; Parameters:
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| 10 | ; Nothing
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| 11 | ; Returns:
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| 12 | ; Nothing
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| 13 | ; Corrupts registers:
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| 14 | ; All, except segments
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| 15 | ;--------------------------------------------------------------------
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| 16 | ALIGN JUMP_ALIGN
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| 17 | MenuEvents_DisplayMenu:
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| 18 | mov bx, MenuEventHandler
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| 19 | CALL_MENU_LIBRARY DisplayWithHandlerInBXandUserDataInDXAX
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| 20 | ret
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| 21 |
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| 22 |
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| 23 | ;--------------------------------------------------------------------
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| 24 | ; MenuEventHandler
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| 25 | ; Common parameters for all events:
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| 26 | ; BX: Menu event (anything from MENUEVENT struct)
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| 27 | ; SS:BP: Menu library handle
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| 28 | ; Common return values for all events:
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| 29 | ; CF: Set if event processed
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| 30 | ; Cleared if event not processed
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| 31 | ; Corrupts registers:
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| 32 | ; All
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| 33 | ;--------------------------------------------------------------------
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| 34 | ALIGN JUMP_ALIGN
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| 35 | MenuEventHandler:
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| 36 | cmp bx, MENUEVENT.RefreshItemFromCX ; Above last supported item?
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| 37 | ja SHORT .EventNotHandled
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[138] | 38 | jmp [cs:bx+.rgfnEventSpecificHandlers]
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[57] | 39 | .EventNotHandled:
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| 40 | .IdleProcessing:
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| 41 | clc
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| 42 | ret
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| 43 |
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| 44 | ALIGN WORD_ALIGN
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| 45 | .rgfnEventSpecificHandlers:
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| 46 | dw .InitializeMenuinitFromDSSI
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| 47 | dw .ExitMenu
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| 48 | dw .IdleProcessing
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| 49 | dw .ItemHighlightedFromCX
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| 50 | dw .ItemSelectedFromCX
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| 51 | dw .KeyStrokeInAX
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| 52 | dw .RefreshTitle
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| 53 | dw .RefreshInformation
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| 54 | dw .RefreshItemFromCX
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| 55 |
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| 56 |
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| 57 | ; Parameters:
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| 58 | ; DS:SI: Ptr to MENUINIT struct to initialize
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| 59 | ; Returns:
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| 60 | ; DS:SI: Ptr to initialized MENUINIT struct
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| 61 | ALIGN JUMP_ALIGN
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| 62 | .InitializeMenuinitFromDSSI:
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| 63 | push ds
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| 64 | push cs
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| 65 | pop ds
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| 66 | mov di, g_MenupageForMainMenu
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| 67 | call Menupage_SetActiveMenupageFromDSDI
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| 68 | call Menupage_GetVisibleMenuitemsToAXfromDSDI
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| 69 | pop ds
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| 70 |
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| 71 | mov WORD [si+MENUINIT.wItems], ax
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| 72 | mov WORD [si+MENUINIT.bTitleLines], TITLE_LINES_IN_MENU
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| 73 | mov WORD [si+MENUINIT.bInfoLines], INFO_LINES_IN_MENU
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[138] | 74 | mov BYTE [si+MENUINIT.bWidth], MENU_WIDTH
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[57] | 75 | CALL_DISPLAY_LIBRARY GetColumnsToALandRowsToAH
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| 76 | mov [si+MENUINIT.bHeight], ah
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[109] | 77 | call MainMenu_EnterMenuOrModifyItemVisibility
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[57] | 78 | stc
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| 79 | ret
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| 80 |
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| 81 |
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| 82 | ; Parameters:
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| 83 | ; None
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[59] | 84 | ; Returns:
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| 85 | ; CF: Set to exit menu
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| 86 | ; Clear to cancel exit
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[57] | 87 | ALIGN JUMP_ALIGN
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| 88 | .ExitMenu:
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[59] | 89 | call Menupage_GetActiveMenupageToDSDI
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| 90 | mov si, [di+MENUPAGE.fnBack]
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[206] | 91 | cmp si, ExitToDosFromBackButton
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[59] | 92 | je SHORT .QuitProgram
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| 93 | call si ; Back to previous menu
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| 94 | clc
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| 95 | ret
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| 96 |
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| 97 | ALIGN JUMP_ALIGN
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| 98 | .QuitProgram:
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| 99 | call Dialogs_DisplayQuitDialog
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| 100 | jz SHORT .ExitToDOS
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| 101 | clc
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| 102 | ret
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| 103 | .ExitToDOS:
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| 104 | call Buffers_SaveChangesIfFileLoaded
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[206] | 105 | CALL_MENU_LIBRARY Close
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[57] | 106 | stc
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| 107 | ret
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| 108 |
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| 109 |
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| 110 | ; Parameters:
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| 111 | ; CX: Index of new highlighted item
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| 112 | ; DX: Index of previously highlighted item or NO_ITEM_HIGHLIGHTED
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| 113 | ALIGN JUMP_ALIGN
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| 114 | .ItemHighlightedFromCX:
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| 115 | CALL_MENU_LIBRARY ClearInformationArea
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| 116 | CALL_MENU_LIBRARY RefreshInformation
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| 117 | stc
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| 118 | ret
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| 119 |
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| 120 |
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| 121 | ; Parameters:
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| 122 | ; CX: Index of selected item
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| 123 | ALIGN JUMP_ALIGN
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| 124 | .ItemSelectedFromCX:
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| 125 | call Menupage_GetActiveMenupageToDSDI
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| 126 | call Menupage_GetCXthVisibleMenuitemToDSSIfromDSDI
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| 127 | call [si+MENUITEM.fnActivate]
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| 128 | stc
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| 129 | ret
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| 130 |
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| 131 |
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| 132 | ; Parameters:
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| 133 | ; AL: ASCII character for the key
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| 134 | ; AH: Keyboard library scan code for the key
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| 135 | ALIGN JUMP_ALIGN
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| 136 | .KeyStrokeInAX:
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| 137 | cmp ah, KEY_DISPLAY_ITEM_HELP
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[181] | 138 | jne SHORT .EventNotHandled
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[57] | 139 |
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[181] | 140 | ;ALIGN JUMP_ALIGN
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| 141 | ;.DisplayHelp:
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[57] | 142 | call Menupage_GetActiveMenupageToDSDI
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| 143 | CALL_MENU_LIBRARY GetHighlightedItemToAX
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| 144 | xchg cx, ax
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| 145 | call Menupage_GetCXthVisibleMenuitemToDSSIfromDSDI
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| 146 | call Menuitem_DisplayHelpMessageFromDSSI
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| 147 | stc
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| 148 | ret
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| 149 |
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| 150 |
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| 151 | ; Parameters:
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| 152 | ; CX: Index of item to refresh
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| 153 | ; Cursor has been positioned to the beginning of item line
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| 154 | ALIGN JUMP_ALIGN
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| 155 | .RefreshItemFromCX:
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| 156 | cmp cx, NO_ITEM_HIGHLIGHTED
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| 157 | je SHORT .NothingToRefresh
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| 158 | call Menupage_GetActiveMenupageToDSDI
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| 159 | call Menupage_GetCXthVisibleMenuitemToDSSIfromDSDI
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| 160 | jnc SHORT .NothingToRefresh
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| 161 | call MenuitemPrint_NameWithPossibleValueFromDSSI
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| 162 | .NothingToRefresh:
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| 163 | stc
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| 164 | ret
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| 165 |
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| 166 |
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| 167 | ; Parameters:
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| 168 | ; CX: Index of highlighted item
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| 169 | ; Cursor has been positioned to the beginning of first line
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| 170 | ALIGN JUMP_ALIGN
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| 171 | .RefreshInformation:
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| 172 | cmp cx, NO_ITEM_HIGHLIGHTED
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| 173 | je SHORT .NothingToRefresh
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| 174 | call Menupage_GetActiveMenupageToDSDI
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| 175 | call Menupage_GetCXthVisibleMenuitemToDSSIfromDSDI
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| 176 | call MenuitemPrint_PrintQuickInfoFromDSSI
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| 177 | stc
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| 178 | ret
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| 179 |
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| 180 |
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| 181 | ; Parameters:
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| 182 | ; CX: Index of highlighted item
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| 183 | ; Cursor has been positioned to the beginning of first line
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| 184 | ALIGN JUMP_ALIGN
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| 185 | .RefreshTitle:
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| 186 | call .PrintProgramName
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| 187 | call .PrintLoadStatus
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| 188 | call .PrintStatusOfUnsavedChanges
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| 189 | stc
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| 190 | ret
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| 191 |
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| 192 | ALIGN JUMP_ALIGN
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| 193 | .PrintProgramName:
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| 194 | mov si, g_szProgramTitle
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| 195 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI
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| 196 | ret
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| 197 |
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| 198 | ALIGN JUMP_ALIGN
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| 199 | .PrintLoadStatus:
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| 200 | mov ax, [g_cfgVars+CFGVARS.wFlags]
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| 201 | test ax, FLG_CFGVARS_FILELOADED
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| 202 | jnz SHORT .PrintNameOfLoadedFile
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| 203 | test ax, FLG_CFGVARS_ROMLOADED
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| 204 | jnz SHORT .PrintLoadedEeprom
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| 205 | ; Fall to .PrintNothingLoaded
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| 206 |
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| 207 | .PrintNothingLoaded:
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| 208 | mov si, g_szBiosIsNotLoaded
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| 209 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI
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| 210 | ret
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| 211 |
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| 212 | ALIGN JUMP_ALIGN
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| 213 | .PrintNameOfLoadedFile:
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| 214 | mov si, g_cfgVars+CFGVARS.szOpenedFile
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| 215 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI
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| 216 | jmp SHORT .PrintTypeOfLoadedBios
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| 217 |
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| 218 | ALIGN JUMP_ALIGN
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| 219 | .PrintLoadedEeprom:
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| 220 | mov si, g_szEEPROM
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| 221 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI
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| 222 | ; Fall to .PrintTypeOfLoadedBios
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| 223 |
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| 224 | ALIGN JUMP_ALIGN
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| 225 | .PrintTypeOfLoadedBios:
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| 226 | mov si, g_szSourceAndTypeSeparator
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| 227 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI
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| 228 | call Buffers_IsXtideUniversalBiosLoaded
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| 229 | jne SHORT .PrintUnidentifiedType
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| 230 |
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| 231 | call Buffers_GetFileBufferToESDI
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| 232 | mov bx, es
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| 233 | lea si, [di+ROMVARS.szVersion]
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| 234 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromBXSI
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| 235 | ret
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| 236 |
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| 237 | ALIGN JUMP_ALIGN
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| 238 | .PrintUnidentifiedType:
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| 239 | mov si, g_szUnidentified
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| 240 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI
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| 241 | ret
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| 242 |
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| 243 | ALIGN JUMP_ALIGN
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| 244 | .PrintStatusOfUnsavedChanges:
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| 245 | test WORD [g_cfgVars+CFGVARS.wFlags], FLG_CFGVARS_UNSAVED
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| 246 | jz SHORT .ReturnSinceNothingToPrint
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| 247 | mov si, g_szUnsaved
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| 248 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI
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| 249 | .ReturnSinceNothingToPrint:
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| 250 | ret
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