[41] | 1 | ; Project name : Assembly Library |
---|
| 2 | ; Description : Functions for initializing menu system. |
---|
| 3 | |
---|
[376] | 4 | ; |
---|
| 5 | ; XTIDE Universal BIOS and Associated Tools |
---|
| 6 | ; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2012 by XTIDE Universal BIOS Team. |
---|
| 7 | ; |
---|
| 8 | ; This program is free software; you can redistribute it and/or modify |
---|
| 9 | ; it under the terms of the GNU General Public License as published by |
---|
| 10 | ; the Free Software Foundation; either version 2 of the License, or |
---|
| 11 | ; (at your option) any later version. |
---|
| 12 | ; |
---|
| 13 | ; This program is distributed in the hope that it will be useful, |
---|
| 14 | ; but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
| 15 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
| 16 | ; GNU General Public License for more details. |
---|
| 17 | ; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html |
---|
| 18 | ; |
---|
| 19 | |
---|
| 20 | |
---|
[41] | 21 | ; Section containing code |
---|
| 22 | SECTION .text |
---|
| 23 | |
---|
| 24 | ;-------------------------------------------------------------------- |
---|
| 25 | ; MenuEvent_InitializeMenuinit |
---|
| 26 | ; Parameters |
---|
| 27 | ; SS:BP: Ptr to MENU |
---|
| 28 | ; Returns: |
---|
| 29 | ; DS:SI: Ptr to MENU with MENUINIT initialized from user handler |
---|
| 30 | ; CF: Set if event processed |
---|
| 31 | ; Cleared if event not processed |
---|
| 32 | ; Corrupts registers: |
---|
| 33 | ; AX, BX, DX |
---|
| 34 | ;-------------------------------------------------------------------- |
---|
[369] | 35 | ALIGN MENU_JUMP_ALIGN |
---|
[41] | 36 | MenuEvent_InitializeMenuinit: |
---|
| 37 | push ss |
---|
| 38 | pop ds |
---|
| 39 | mov si, bp |
---|
[183] | 40 | mov bl, MENUEVENT_InitializeMenuinitFromDSSI |
---|
[41] | 41 | jmp SHORT MenuEvent_SendFromBX |
---|
| 42 | |
---|
| 43 | |
---|
| 44 | ;-------------------------------------------------------------------- |
---|
| 45 | ; MenuEvent_ExitMenu |
---|
| 46 | ; Parameters |
---|
| 47 | ; SS:BP: Ptr to MENU |
---|
| 48 | ; Returns: |
---|
[58] | 49 | ; CF: Set to exit from menu |
---|
| 50 | ; Cleared to cancel exit |
---|
[41] | 51 | ; Corrupts registers: |
---|
| 52 | ; AX, BX, DX |
---|
| 53 | ;-------------------------------------------------------------------- |
---|
[369] | 54 | ALIGN MENU_JUMP_ALIGN |
---|
[41] | 55 | MenuEvent_ExitMenu: |
---|
[183] | 56 | mov bl, MENUEVENT_ExitMenu |
---|
[41] | 57 | jmp SHORT MenuEvent_SendFromBX |
---|
| 58 | |
---|
| 59 | |
---|
[189] | 60 | %ifdef MENUEVENT_IDLEPROCESSING_ENABLE |
---|
[41] | 61 | ;-------------------------------------------------------------------- |
---|
| 62 | ; MenuEvent_IdleProcessing |
---|
| 63 | ; Parameters |
---|
| 64 | ; SS:BP: Ptr to MENU |
---|
| 65 | ; Returns: |
---|
| 66 | ; CF: Set if event processed |
---|
| 67 | ; Cleared if event not processed |
---|
| 68 | ; Corrupts registers: |
---|
| 69 | ; AX, BX, DX |
---|
| 70 | ;-------------------------------------------------------------------- |
---|
[369] | 71 | ALIGN MENU_JUMP_ALIGN |
---|
[41] | 72 | MenuEvent_IdleProcessing: |
---|
[183] | 73 | mov bl, MENUEVENT_IdleProcessing |
---|
[41] | 74 | jmp SHORT MenuEvent_SendFromBX |
---|
[189] | 75 | %endif |
---|
[41] | 76 | |
---|
| 77 | ;-------------------------------------------------------------------- |
---|
| 78 | ; MenuEvent_RefreshTitle |
---|
| 79 | ; MenuEvent_RefreshInformation |
---|
| 80 | ; Parameters |
---|
[48] | 81 | ; SS:BP: Ptr to MENU |
---|
[41] | 82 | ; Cursor will be positioned to beginning of window |
---|
| 83 | ; Returns: |
---|
| 84 | ; CF: Set if event processed |
---|
| 85 | ; Cleared if event not processed |
---|
| 86 | ; Corrupts registers: |
---|
[48] | 87 | ; AX, CX, BX, DX |
---|
[41] | 88 | ;-------------------------------------------------------------------- |
---|
[369] | 89 | ALIGN MENU_JUMP_ALIGN |
---|
[41] | 90 | MenuEvent_RefreshTitle: |
---|
[183] | 91 | mov bl, MENUEVENT_RefreshTitle |
---|
[133] | 92 | SKIP2B cx ; mov cx, <next instruction> |
---|
[48] | 93 | |
---|
[41] | 94 | MenuEvent_RefreshInformation: |
---|
[183] | 95 | mov bl, MENUEVENT_RefreshInformation |
---|
[52] | 96 | mov cx, [bp+MENUINIT.wHighlightedItem] |
---|
[41] | 97 | jmp SHORT MenuEvent_SendFromBX |
---|
| 98 | |
---|
| 99 | |
---|
| 100 | ;-------------------------------------------------------------------- |
---|
| 101 | ; MenuEvent_RefreshItemFromCX |
---|
| 102 | ; Parameters |
---|
| 103 | ; CX: Index of item to refresh |
---|
[48] | 104 | ; SS:BP: Ptr to MENU |
---|
[41] | 105 | ; Cursor has been positioned to the beginning of item line |
---|
| 106 | ; Returns: |
---|
| 107 | ; CF: Set if event processed |
---|
| 108 | ; Cleared if event not processed |
---|
| 109 | ; Corrupts registers: |
---|
| 110 | ; AX, BX, DX |
---|
| 111 | ;-------------------------------------------------------------------- |
---|
[369] | 112 | ALIGN MENU_JUMP_ALIGN |
---|
[41] | 113 | MenuEvent_RefreshItemFromCX: |
---|
[183] | 114 | mov bl, MENUEVENT_RefreshItemFromCX |
---|
[41] | 115 | jmp SHORT MenuEvent_SendFromBX |
---|
| 116 | |
---|
| 117 | |
---|
| 118 | ;-------------------------------------------------------------------- |
---|
| 119 | ; MenuEvent_HighlightItemFromCX |
---|
| 120 | ; Parameters |
---|
| 121 | ; CX: Index of item to highlight |
---|
[48] | 122 | ; SS:BP: Ptr to MENU |
---|
[41] | 123 | ; Returns: |
---|
| 124 | ; Nothing |
---|
| 125 | ; Corrupts registers: |
---|
| 126 | ; AX, BX, DX, SI, DI |
---|
| 127 | ;-------------------------------------------------------------------- |
---|
[369] | 128 | ALIGN MENU_JUMP_ALIGN |
---|
[41] | 129 | MenuEvent_HighlightItemFromCX: |
---|
| 130 | mov dx, cx |
---|
[52] | 131 | xchg dx, [bp+MENUINIT.wHighlightedItem] |
---|
[41] | 132 | push dx |
---|
| 133 | |
---|
[183] | 134 | mov bl, MENUEVENT_ItemHighlightedFromCX |
---|
[41] | 135 | call MenuEvent_SendFromBX |
---|
| 136 | |
---|
| 137 | pop ax |
---|
| 138 | call MenuText_RefreshItemFromAX |
---|
[52] | 139 | mov ax, [bp+MENUINIT.wHighlightedItem] |
---|
[41] | 140 | jmp MenuText_RefreshItemFromAX |
---|
| 141 | |
---|
| 142 | |
---|
| 143 | ;-------------------------------------------------------------------- |
---|
| 144 | ; MenuEvent_KeyStrokeInAX |
---|
| 145 | ; Parameters |
---|
| 146 | ; AL: ASCII character for the key |
---|
| 147 | ; AH: Keyboard library scan code for the key |
---|
[48] | 148 | ; SS:BP: Ptr to MENU |
---|
[41] | 149 | ; Returns: |
---|
| 150 | ; CF: Set if event processed |
---|
| 151 | ; Cleared if event not processed |
---|
| 152 | ; Corrupts registers: |
---|
| 153 | ; AX, BX, DX |
---|
| 154 | ;-------------------------------------------------------------------- |
---|
[369] | 155 | ALIGN MENU_JUMP_ALIGN |
---|
[41] | 156 | MenuEvent_KeyStrokeInAX: |
---|
[183] | 157 | mov bl, MENUEVENT_KeyStrokeInAX |
---|
[133] | 158 | SKIP2B dx ; mov dx, <next instruction> |
---|
[41] | 159 | |
---|
| 160 | |
---|
| 161 | ;-------------------------------------------------------------------- |
---|
| 162 | ; MenuEvent_ItemSelectedFromCX |
---|
| 163 | ; Parameters |
---|
| 164 | ; CX: Index of selected item |
---|
[48] | 165 | ; SS:BP: Ptr to MENU |
---|
[41] | 166 | ; Returns: |
---|
| 167 | ; CF: Set if event processed |
---|
| 168 | ; Cleared if event not processed |
---|
| 169 | ; Corrupts registers: |
---|
| 170 | ; AX, BX, DX |
---|
| 171 | ;-------------------------------------------------------------------- |
---|
| 172 | MenuEvent_ItemSelectedFromCX: |
---|
[183] | 173 | mov bl, MENUEVENT_ItemSelectedFromCX |
---|
[133] | 174 | ; Fall to MenuEvent_SendFromBX |
---|
[41] | 175 | |
---|
| 176 | |
---|
| 177 | ;-------------------------------------------------------------------- |
---|
| 178 | ; MenuEvent_SendFromBX |
---|
| 179 | ; Parameters |
---|
[133] | 180 | ; BL: Menu event to send |
---|
[41] | 181 | ; SS:BP: Ptr to MENU |
---|
| 182 | ; Other registers: Event specific parameters |
---|
| 183 | ; Returns: |
---|
| 184 | ; AX, DX: Event specific return values |
---|
| 185 | ; CF: Set if event processed |
---|
| 186 | ; Cleared if event not processed |
---|
| 187 | ; Corrupts registers: |
---|
| 188 | ; BX |
---|
| 189 | ;-------------------------------------------------------------------- |
---|
[369] | 190 | ALIGN MENU_JUMP_ALIGN |
---|
[41] | 191 | MenuEvent_SendFromBX: |
---|
| 192 | push es |
---|
| 193 | push ds |
---|
| 194 | push di |
---|
| 195 | push si |
---|
| 196 | push cx |
---|
[133] | 197 | xor bh, bh |
---|
[41] | 198 | call [bp+MENU.fnEventHandler] |
---|
| 199 | pop cx |
---|
| 200 | pop si |
---|
| 201 | pop di |
---|
| 202 | pop ds |
---|
| 203 | pop es |
---|
| 204 | ret |
---|