[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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| 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 | |
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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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[181] | 57 | MenuLocation_GetItemBordersTopLeftCoordinatesToAX: |
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| 58 | xor ax, ax |
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| 59 | jmp SHORT AddItemBordersTopLeftCoordinatesToAX |
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| 60 | |
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[369] | 61 | ALIGN MENU_JUMP_ALIGN |
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[181] | 62 | MenuLocation_GetTitleTextTopLeftCoordinatesToAX: |
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| 63 | mov ax, (MENU_TEXT_ROW_OFFSET<<8) | MENU_TEXT_COLUMN_OFFSET |
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| 64 | SKIP2B f ; cmp ax, <next instruction> |
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[41] | 65 | MenuLocation_GetTitleBordersTopLeftCoordinatesToAX: |
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| 66 | xor ax, ax |
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| 67 | jmp SHORT MenuLocation_AddTitleBordersTopLeftCoordinatesToAX |
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| 68 | |
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[369] | 69 | ALIGN MENU_JUMP_ALIGN |
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[181] | 70 | MenuLocation_GetInformationTextTopLeftCoordinatesToAX: |
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| 71 | mov ax, (MENU_TEXT_ROW_OFFSET<<8) | MENU_TEXT_COLUMN_OFFSET |
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| 72 | jmp SHORT AddInformationBordersTopLeftCoordinatesToAX |
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[41] | 73 | |
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[369] | 74 | ALIGN MENU_JUMP_ALIGN |
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[41] | 75 | MenuLocation_GetBottomBordersTopLeftCoordinatesToAX: |
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| 76 | xor ax, ax |
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[104] | 77 | ; Fall to .AddBottomBordersTopLeftCoordinatesToAX |
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[41] | 78 | |
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| 79 | ;-------------------------------------------------------------------- |
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[104] | 80 | ; .AddBottomBordersTopLeftCoordinatesToAX |
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[41] | 81 | ; AddInformationBordersTopLeftCoordinatesToAX |
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| 82 | ; AddItemBordersTopLeftCoordinatesToAX |
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| 83 | ; MenuLocation_AddTitleBordersTopLeftCoordinatesToAX |
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| 84 | ; Parameters |
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| 85 | ; AX: Zero of offset |
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| 86 | ; SS:BP: Ptr to MENU |
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| 87 | ; Returns: |
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| 88 | ; AL: Column (X) |
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| 89 | ; AH: Row (Y) |
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| 90 | ; Corrupts registers: |
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| 91 | ; Nothing |
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| 92 | ;-------------------------------------------------------------------- |
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[104] | 93 | .AddBottomBordersTopLeftCoordinatesToAX: |
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[41] | 94 | stc ; Compensate for Information top border |
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| 95 | adc ah, [bp+MENUINIT.bInfoLines] |
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[369] | 96 | ALIGN MENU_JUMP_ALIGN |
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[41] | 97 | AddInformationBordersTopLeftCoordinatesToAX: |
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| 98 | push cx |
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| 99 | call MenuScrollbars_GetMaxVisibleItemsOnPageToCX |
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| 100 | inc cx ; Compensate for Items top border |
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| 101 | add ah, cl |
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| 102 | pop cx |
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[369] | 103 | ALIGN MENU_JUMP_ALIGN |
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[41] | 104 | AddItemBordersTopLeftCoordinatesToAX: |
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| 105 | stc ; Compensate for Title top border |
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| 106 | adc ah, [bp+MENUINIT.bTitleLines] |
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[369] | 107 | ALIGN MENU_JUMP_ALIGN |
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[41] | 108 | MenuLocation_AddTitleBordersTopLeftCoordinatesToAX: |
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| 109 | push di |
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| 110 | push ax |
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| 111 | CALL_DISPLAY_LIBRARY GetColumnsToALandRowsToAH |
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| 112 | sub al, [bp+MENUINIT.bWidth] |
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| 113 | sub ah, [bp+MENUINIT.bHeight] |
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| 114 | shr al, 1 |
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| 115 | shr ah, 1 |
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| 116 | pop di ; Old AX to DI |
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| 117 | add ax, di ; Add old AX to menu top left coordinates |
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| 118 | pop di |
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| 119 | ret |
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| 120 | |
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| 121 | |
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| 122 | ;-------------------------------------------------------------------- |
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| 123 | ; MenuLocation_GetMaxTextLineLengthToAX |
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| 124 | ; Parameters |
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| 125 | ; SS:BP: Ptr to MENU |
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| 126 | ; Returns: |
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| 127 | ; AX: Maximum text line length in characters |
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| 128 | ; Corrupts registers: |
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| 129 | ; Nothing |
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| 130 | ;-------------------------------------------------------------------- |
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[369] | 131 | ALIGN MENU_JUMP_ALIGN |
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[41] | 132 | MenuLocation_GetMaxTextLineLengthToAX: |
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[293] | 133 | eMOVZX ax, [bp+MENUINIT.bWidth] |
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[41] | 134 | sub ax, BYTE MENU_HORIZONTAL_BORDER_LINES + MENU_TEXT_COLUMN_OFFSET |
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| 135 | ret |
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