[41] | 1 | ; Project name : Assembly Library
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| 2 | ; Description : Functions for drawing menu texts by the user.
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| 3 |
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[376] | 4 | ;
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[505] | 5 | ; XTIDE Universal BIOS and Associated Tools
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[526] | 6 | ; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2013 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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[505] | 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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[505] | 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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| 18 | ;
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| 19 |
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[505] | 20 |
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[41] | 21 | ; Section containing code
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| 22 | SECTION .text
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| 23 |
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| 24 | ;--------------------------------------------------------------------
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[48] | 25 | ; MenuText_ClearTitleArea
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| 26 | ; MenuText_ClearInformationArea
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| 27 | ; Parameters
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| 28 | ; SS:BP: Ptr to MENU
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| 29 | ; Returns:
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| 30 | ; Nothing
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| 31 | ; Corrupts registers:
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| 32 | ; AX, BX, CX, DX, SI, DI
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| 33 | ;--------------------------------------------------------------------
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[194] | 34 | %ifndef EXCLUDE_FROM_XTIDE_UNIVERSAL_BIOS
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[369] | 35 | ALIGN MENU_JUMP_ALIGN
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[48] | 36 | MenuText_ClearTitleArea:
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[125] | 37 | CALL_DISPLAY_LIBRARY PushDisplayContext ; Save cursor coordinates
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[48] | 38 | call PrepareToDrawTitleArea
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| 39 | mov cl, [bp+MENUINIT.bTitleLines]
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[194] | 40 | jmp SHORT MenuText_ClearInformationArea.ClearCLlinesOfText
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| 41 | %endif
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[505] | 42 |
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[369] | 43 | ALIGN MENU_JUMP_ALIGN
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[48] | 44 | MenuText_ClearInformationArea:
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[125] | 45 | CALL_DISPLAY_LIBRARY PushDisplayContext ; Save cursor coordinates
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[54] | 46 | call MenuText_PrepareToDrawInformationArea
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[48] | 47 | mov cl, [bp+MENUINIT.bInfoLines]
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[194] | 48 | .ClearCLlinesOfText:
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[48] | 49 | mov al, [bp+MENUINIT.bWidth]
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[54] | 50 | sub al, MENU_HORIZONTAL_BORDER_LINES+(MENU_TEXT_COLUMN_OFFSET/2)
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[48] | 51 | mul cl
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| 52 | xchg cx, ax
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| 53 | mov al, ' '
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| 54 | CALL_DISPLAY_LIBRARY PrintRepeatedCharacterFromALwithCountInCX
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[505] | 55 | JMP_DISPLAY_LIBRARY PopDisplayContext
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[48] | 56 |
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| 57 |
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| 58 | ;--------------------------------------------------------------------
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[41] | 59 | ; MenuText_RefreshTitle
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| 60 | ; MenuText_RefreshInformation
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| 61 | ; Parameters
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| 62 | ; SS:BP: Ptr to MENU
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| 63 | ; Returns:
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| 64 | ; Nothing
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| 65 | ; Corrupts registers:
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[48] | 66 | ; AX, BX, CX, DX, SI, DI
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[41] | 67 | ;--------------------------------------------------------------------
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[369] | 68 | ALIGN MENU_JUMP_ALIGN
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[41] | 69 | MenuText_RefreshTitle:
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| 70 | cmp BYTE [bp+MENUINIT.bTitleLines], 0
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| 71 | jz SHORT NothingToRefresh
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[48] | 72 | call PrepareToDrawTitleArea
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[41] | 73 | jmp MenuEvent_RefreshTitle
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| 74 |
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[369] | 75 | ALIGN MENU_JUMP_ALIGN
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[41] | 76 | MenuText_RefreshInformation:
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| 77 | cmp BYTE [bp+MENUINIT.bInfoLines], 0
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| 78 | jz SHORT NothingToRefresh
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[54] | 79 | call MenuText_PrepareToDrawInformationArea
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[48] | 80 | jmp MenuEvent_RefreshInformation
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[41] | 81 |
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[48] | 82 | ;--------------------------------------------------------------------
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| 83 | ; PrepareToDrawTitleArea
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| 84 | ; PrepareToDrawInformationArea
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| 85 | ; Parameters
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| 86 | ; SS:BP: Ptr to MENU
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| 87 | ; Returns:
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| 88 | ; Nothing
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| 89 | ; Corrupts registers:
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| 90 | ; AX, BX, DX, SI, DI
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| 91 | ;--------------------------------------------------------------------
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[369] | 92 | ALIGN MENU_JUMP_ALIGN
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[48] | 93 | PrepareToDrawTitleArea:
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| 94 | mov si, ATTRIBUTE_CHARS.cTitle
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| 95 | call MenuLocation_GetTitleTextTopLeftCoordinatesToAX
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[52] | 96 | jmp SHORT FinishPreparationsToDrawTitleOrInformationArea
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[48] | 97 |
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[369] | 98 | ALIGN MENU_JUMP_ALIGN
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[54] | 99 | MenuText_PrepareToDrawInformationArea:
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[41] | 100 | mov si, ATTRIBUTE_CHARS.cInformation
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| 101 | call MenuLocation_GetInformationTextTopLeftCoordinatesToAX
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[52] | 102 | FinishPreparationsToDrawTitleOrInformationArea:
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| 103 | mov dx, MenuCharOut_MenuTeletypeOutputWithAutomaticLineChange
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| 104 | jmp SHORT AdjustDisplayContextForDrawingTextsAtCoordsInAXwithAttrTypeInSIandCharOutFunctionInDX
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[41] | 105 |
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| 106 |
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| 107 | ;--------------------------------------------------------------------
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| 108 | ; MenuText_RefreshAllItems
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| 109 | ; Parameters
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| 110 | ; SS:BP: Ptr to MENU
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| 111 | ; Returns:
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| 112 | ; Nothing
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| 113 | ; Corrupts registers:
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| 114 | ; AX, BX, DX, SI, DI
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| 115 | ;--------------------------------------------------------------------
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[369] | 116 | ALIGN MENU_JUMP_ALIGN
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[41] | 117 | MenuText_RefreshAllItems:
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| 118 | push cx
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| 119 |
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| 120 | call MenuScrollbars_GetActualVisibleItemsOnPageToCX
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| 121 | mov ax, [bp+MENU.wFirstVisibleItem]
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[369] | 122 | ALIGN MENU_JUMP_ALIGN
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[41] | 123 | .ItemRefreshLoop:
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| 124 | call MenuText_RefreshItemFromAX
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| 125 | inc ax
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| 126 | loop .ItemRefreshLoop
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| 127 |
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| 128 | pop cx
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| 129 | NothingToRefresh:
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| 130 | ret
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| 131 |
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| 132 | ;--------------------------------------------------------------------
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| 133 | ; MenuText_RefreshItemFromAX
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| 134 | ; Parameters
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| 135 | ; AX: Item to refresh
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| 136 | ; SS:BP: Ptr to MENU
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| 137 | ; Returns:
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| 138 | ; Nothing
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| 139 | ; Corrupts registers:
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| 140 | ; BX, DX, SI, DI
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| 141 | ;--------------------------------------------------------------------
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[369] | 142 | ALIGN MENU_JUMP_ALIGN
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[41] | 143 | MenuText_RefreshItemFromAX:
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| 144 | push cx
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[67] | 145 | push ax
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[41] | 146 |
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[67] | 147 | xchg cx, ax
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[41] | 148 | call MenuScrollbars_IsItemInCXonVisiblePage
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| 149 | jnc SHORT .InvalidItem
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[52] | 150 | call MenuText_AdjustDisplayContextForDrawingItemFromCX
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[67] | 151 | call ClearPreviousItem
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[41] | 152 | call MenuEvent_RefreshItemFromCX
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[67] | 153 | call DrawScrollbarCharacterForItemInCXifNecessary
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[41] | 154 | .InvalidItem:
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[67] | 155 | pop ax
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[41] | 156 | pop cx
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| 157 | ret
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| 158 |
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| 159 | ;--------------------------------------------------------------------
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[52] | 160 | ; MenuText_AdjustDisplayContextForDrawingItemFromCX
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[41] | 161 | ; Parameters
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[52] | 162 | ; CX: Item to refresh
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[41] | 163 | ; SS:BP: Ptr to MENU
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| 164 | ; Returns:
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[52] | 165 | ; Nothing
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[41] | 166 | ; Corrupts registers:
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[52] | 167 | ; AX, BX, DX, SI, DI
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[41] | 168 | ;--------------------------------------------------------------------
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[369] | 169 | ALIGN MENU_JUMP_ALIGN
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[52] | 170 | MenuText_AdjustDisplayContextForDrawingItemFromCX:
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| 171 | mov ax, cx
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| 172 | call GetItemTextAttributeTypeToSIforItemInCX
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[41] | 173 | call MenuLocation_GetTextCoordinatesToAXforItemInAX
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[52] | 174 | mov dx, MenuCharOut_MenuTeletypeOutput
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[133] | 175 | ; Fall to AdjustDisplayContextForDrawingTextsAtCoordsInAXwithAttrTypeInSIandCharOutFunctionInDX
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[52] | 176 |
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| 177 | ;--------------------------------------------------------------------
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| 178 | ; AdjustDisplayContextForDrawingTextsAtCoordsInAXwithAttrTypeInSIandCharOutFunctionInDX
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| 179 | ; Parameters
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| 180 | ; AX: Cursor coordinates to set
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| 181 | ; DX: Character output function
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| 182 | ; SI: Attribute type (from ATTRIBUTE_CHARS)
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| 183 | ; SS:BP: Ptr to MENU
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| 184 | ; Returns:
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| 185 | ; Nothing
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| 186 | ; Corrupts registers:
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| 187 | ; AX, BX, DX, SI, DI
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| 188 | ;--------------------------------------------------------------------
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[369] | 189 | ALIGN MENU_JUMP_ALIGN
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[52] | 190 | AdjustDisplayContextForDrawingTextsAtCoordsInAXwithAttrTypeInSIandCharOutFunctionInDX:
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[41] | 191 | CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX
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| 192 |
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[52] | 193 | xchg ax, dx
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| 194 | mov bl, ATTRIBUTES_ARE_USED
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| 195 | CALL_DISPLAY_LIBRARY SetCharOutputFunctionFromAXwithAttribFlagInBL
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| 196 |
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| 197 | call CharOutLineSplitter_PrepareForPrintingTextLines
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| 198 | jmp MenuAttribute_SetToDisplayContextFromTypeInSI
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| 199 |
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| 200 |
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[41] | 201 | ;--------------------------------------------------------------------
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[67] | 202 | ; ClearPreviousItem
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| 203 | ; Parameters
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| 204 | ; SS:BP: Ptr to MENU
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| 205 | ; Returns:
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| 206 | ; Nothing
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| 207 | ; Corrupts registers:
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| 208 | ; AX, BX, DX, DI
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| 209 | ;--------------------------------------------------------------------
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[369] | 210 | ALIGN MENU_JUMP_ALIGN
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[67] | 211 | ClearPreviousItem:
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| 212 | CALL_DISPLAY_LIBRARY GetSoftwareCoordinatesToAX
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| 213 | xchg bx, ax
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| 214 |
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| 215 | call MenuBorders_GetNumberOfMiddleCharactersToDX
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| 216 | sub dx, BYTE MENU_TEXT_COLUMN_OFFSET
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| 217 | mov al, [cs:g_rgbTextBorderCharacters+BORDER_CHARS.cMiddle]
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| 218 | call MenuBorders_PrintMultipleBorderCharactersFromAL
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| 219 |
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| 220 | xchg ax, bx
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[505] | 221 | JMP_DISPLAY_LIBRARY SetCursorCoordinatesFromAX
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[67] | 222 |
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| 223 |
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| 224 | ;--------------------------------------------------------------------
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[52] | 225 | ; GetItemTextAttributeTypeToSIforItemInCX
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[41] | 226 | ; Parameters
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| 227 | ; CX: Item to refresh
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| 228 | ; SS:BP: Ptr to MENU
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| 229 | ; Returns:
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| 230 | ; SI: Text attribute type (ATTRIBUTE_CHARS)
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| 231 | ; Corrupts registers:
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| 232 | ; Nothing
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| 233 | ;--------------------------------------------------------------------
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[369] | 234 | ALIGN MENU_JUMP_ALIGN
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[52] | 235 | GetItemTextAttributeTypeToSIforItemInCX:
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[41] | 236 | mov si, ATTRIBUTE_CHARS.cItem
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| 237 | test BYTE [bp+MENU.bFlags], FLG_MENU_NOHIGHLIGHT
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| 238 | jnz SHORT .ReturnAttributeTypeInSI
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[52] | 239 |
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| 240 | cmp cx, [bp+MENUINIT.wHighlightedItem]
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[41] | 241 | jne SHORT .ReturnAttributeTypeInSI
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| 242 | sub si, BYTE ATTRIBUTE_CHARS.cItem - ATTRIBUTE_CHARS.cHighlightedItem
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[369] | 243 | ALIGN MENU_JUMP_ALIGN, ret
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[41] | 244 | .ReturnAttributeTypeInSI:
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| 245 | ret
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| 246 |
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| 247 |
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| 248 | ;--------------------------------------------------------------------
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[67] | 249 | ; DrawScrollbarCharacterForItemInCXifNecessary
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[41] | 250 | ; Parameters
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| 251 | ; CX: Item to refresh
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| 252 | ; SS:BP: Ptr to MENU
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| 253 | ; Returns:
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| 254 | ; Nothing
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| 255 | ; Corrupts registers:
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[67] | 256 | ; AX, CX, BX, DX, SI, DI
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[41] | 257 | ;--------------------------------------------------------------------
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[369] | 258 | ALIGN MENU_JUMP_ALIGN
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[67] | 259 | DrawScrollbarCharacterForItemInCXifNecessary:
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[41] | 260 | call MenuScrollbars_AreScrollbarsNeeded
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| 261 | jc SHORT .DrawScrollbarCharacter
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| 262 | ret
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| 263 |
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[369] | 264 | ALIGN MENU_JUMP_ALIGN
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[41] | 265 | .DrawScrollbarCharacter:
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[48] | 266 | call MenuBorders_AdjustDisplayContextForDrawingBorders
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[41] | 267 | mov ax, cx
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[104] | 268 |
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| 269 | call MenuLocation_GetTextCoordinatesToAXforItemInAX
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| 270 | add al, [bp+MENUINIT.bWidth]
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| 271 | sub al, MENU_TEXT_COLUMN_OFFSET*2
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[41] | 272 | CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX
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| 273 |
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| 274 | mov di, cx
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| 275 | sub di, [bp+MENU.wFirstVisibleItem] ; Item to line
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| 276 | call MenuScrollbars_GetScrollCharacterToALForLineInDI
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[67] | 277 | jmp MenuBorders_PrintSingleBorderCharacterFromAL
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