[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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[583] | 135 | mov ax, -(MENU_HORIZONTAL_BORDER_LINES + MENU_TEXT_COLUMN_OFFSET) & 0FFh |
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| 136 | add al, [bp+MENUINIT.bWidth] |
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[41] | 137 | ret |
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