| [41] | 1 | ; Project name : Assembly Library
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| 2 | ; Description : Functions for calculation menu window dimensions.
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| 3 |
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| [376] | 4 | ;
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| [526] | 5 | ; XTIDE Universal BIOS and Associated Tools
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| 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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| [526] | 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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| [526] | 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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| [526] | 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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| 25 | ; MenuLocation_GetTextCoordinatesToAXforItemInAX
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| 26 | ; Parameters
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| 27 | ; AX: Item index
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| 28 | ; SS:BP: Ptr to MENU
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| 29 | ; Returns:
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| 30 | ; AL: Column (X)
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| 31 | ; AH: Row (Y)
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| 32 | ; Corrupts registers:
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| 33 | ; Nothing
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| 34 | ;--------------------------------------------------------------------
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| [369] | 35 | ALIGN MENU_JUMP_ALIGN
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| [41] | 36 | MenuLocation_GetTextCoordinatesToAXforItemInAX:
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| 37 | sub ax, [bp+MENU.wFirstVisibleItem] ; Item to line
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| 38 | xchg al, ah ; Line to AH, clear AL
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| 39 | add ax, (MENU_TEXT_ROW_OFFSET<<8) | MENU_TEXT_COLUMN_OFFSET
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| [181] | 40 | SKIP2B f ; cmp ax, <next instruction>
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| 41 | ; Fall to MenuLocation_GetItemBordersTopLeftCoordinatesToAX
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| [41] | 42 |
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| 43 | ;--------------------------------------------------------------------
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| [181] | 44 | ; MenuLocation_GetItemBordersTopLeftCoordinatesToAX
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| 45 | ; MenuLocation_GetTitleTextTopLeftCoordinatesToAX
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| [41] | 46 | ; MenuLocation_GetTitleBordersTopLeftCoordinatesToAX
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| [181] | 47 | ; MenuLocation_GetInformationTextTopLeftCoordinatesToAX
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| [41] | 48 | ; MenuLocation_GetBottomBordersTopLeftCoordinatesToAX
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| 49 | ; Parameters
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| 50 | ; SS:BP: Ptr to MENU
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| 51 | ; Returns:
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| 52 | ; AL: Column (X)
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| 53 | ; AH: Row (Y)
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| 54 | ; Corrupts registers:
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| 55 | ; Nothing
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| 56 | ;--------------------------------------------------------------------
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| [526] | 57 | %ifndef EXCLUDE_FROM_XTIDE_UNIVERSAL_BIOS
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| [181] | 58 | MenuLocation_GetItemBordersTopLeftCoordinatesToAX:
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| [489] | 59 | %endif
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| [181] | 60 | xor ax, ax
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| 61 | jmp SHORT AddItemBordersTopLeftCoordinatesToAX
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| 62 |
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| [369] | 63 | ALIGN MENU_JUMP_ALIGN
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| [181] | 64 | MenuLocation_GetTitleTextTopLeftCoordinatesToAX:
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| 65 | mov ax, (MENU_TEXT_ROW_OFFSET<<8) | MENU_TEXT_COLUMN_OFFSET
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| 66 | SKIP2B f ; cmp ax, <next instruction>
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| [41] | 67 | MenuLocation_GetTitleBordersTopLeftCoordinatesToAX:
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| 68 | xor ax, ax
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| 69 | jmp SHORT MenuLocation_AddTitleBordersTopLeftCoordinatesToAX
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| 70 |
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| [369] | 71 | ALIGN MENU_JUMP_ALIGN
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| [181] | 72 | MenuLocation_GetInformationTextTopLeftCoordinatesToAX:
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| 73 | mov ax, (MENU_TEXT_ROW_OFFSET<<8) | MENU_TEXT_COLUMN_OFFSET
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| 74 | jmp SHORT AddInformationBordersTopLeftCoordinatesToAX
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| [41] | 75 |
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| [369] | 76 | ALIGN MENU_JUMP_ALIGN
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| [41] | 77 | MenuLocation_GetBottomBordersTopLeftCoordinatesToAX:
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| 78 | xor ax, ax
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| [104] | 79 | ; Fall to .AddBottomBordersTopLeftCoordinatesToAX
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| [41] | 80 |
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| 81 | ;--------------------------------------------------------------------
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| [104] | 82 | ; .AddBottomBordersTopLeftCoordinatesToAX
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| [41] | 83 | ; AddInformationBordersTopLeftCoordinatesToAX
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| 84 | ; AddItemBordersTopLeftCoordinatesToAX
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| 85 | ; MenuLocation_AddTitleBordersTopLeftCoordinatesToAX
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| 86 | ; Parameters
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| 87 | ; AX: Zero of offset
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| 88 | ; SS:BP: Ptr to MENU
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| 89 | ; Returns:
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| 90 | ; AL: Column (X)
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| 91 | ; AH: Row (Y)
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| 92 | ; Corrupts registers:
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| 93 | ; Nothing
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| 94 | ;--------------------------------------------------------------------
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| [104] | 95 | .AddBottomBordersTopLeftCoordinatesToAX:
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| [41] | 96 | stc ; Compensate for Information top border
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| 97 | adc ah, [bp+MENUINIT.bInfoLines]
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| [369] | 98 | ALIGN MENU_JUMP_ALIGN
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| [41] | 99 | AddInformationBordersTopLeftCoordinatesToAX:
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| 100 | push cx
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| 101 | call MenuScrollbars_GetMaxVisibleItemsOnPageToCX
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| 102 | inc cx ; Compensate for Items top border
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| 103 | add ah, cl
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| 104 | pop cx
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| [369] | 105 | ALIGN MENU_JUMP_ALIGN
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| [41] | 106 | AddItemBordersTopLeftCoordinatesToAX:
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| 107 | stc ; Compensate for Title top border
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| 108 | adc ah, [bp+MENUINIT.bTitleLines]
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| [369] | 109 | ALIGN MENU_JUMP_ALIGN
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| [41] | 110 | MenuLocation_AddTitleBordersTopLeftCoordinatesToAX:
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| 111 | push di
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| 112 | push ax
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| 113 | CALL_DISPLAY_LIBRARY GetColumnsToALandRowsToAH
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| 114 | sub al, [bp+MENUINIT.bWidth]
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| 115 | sub ah, [bp+MENUINIT.bHeight]
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| 116 | shr al, 1
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| 117 | shr ah, 1
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| 118 | pop di ; Old AX to DI
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| 119 | add ax, di ; Add old AX to menu top left coordinates
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| 120 | pop di
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| 121 | ret
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| 122 |
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| 123 |
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| 124 | ;--------------------------------------------------------------------
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| 125 | ; MenuLocation_GetMaxTextLineLengthToAX
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| 126 | ; Parameters
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| 127 | ; SS:BP: Ptr to MENU
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| 128 | ; Returns:
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| 129 | ; AX: Maximum text line length in characters
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| 130 | ; Corrupts registers:
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| 131 | ; Nothing
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| 132 | ;--------------------------------------------------------------------
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| [369] | 133 | ALIGN MENU_JUMP_ALIGN
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| [41] | 134 | MenuLocation_GetMaxTextLineLengthToAX:
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| [293] | 135 | eMOVZX ax, [bp+MENUINIT.bWidth]
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| [41] | 136 | sub ax, BYTE MENU_HORIZONTAL_BORDER_LINES + MENU_TEXT_COLUMN_OFFSET
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| 137 | ret
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