source: xtideuniversalbios/trunk/Assembly_Library/Src/Menu/MenuEvent.asm@ 44

Last change on this file since 44 was 41, checked in by Tomi Tilli, 14 years ago

Initial commit for Assembly Library.
File size: 4.9 KB
RevLine 
[41]1; File name : MenuEvent.asm
2; Project name : Assembly Library
3; Created date : 13.7.2010
4; Last update : 11.8.2010
5; Author : Tomi Tilli
6; Description : Functions for initializing menu system.
7
8; Section containing code
9SECTION .text
10
11;--------------------------------------------------------------------
12; MenuEvent_InitializeMenuinit
13; Parameters
14; SS:BP: Ptr to MENU
15; Returns:
16; DS:SI: Ptr to MENU with MENUINIT initialized from user handler
17; CF: Set if event processed
18; Cleared if event not processed
19; Corrupts registers:
20; AX, BX, DX
21;--------------------------------------------------------------------
22ALIGN JUMP_ALIGN
23MenuEvent_InitializeMenuinit:
24 push ss
25 pop ds
26 mov si, bp
27 mov bx, MENUEVENT.InitializeMenuinitFromDSSI
28 jmp SHORT MenuEvent_SendFromBX
29
30
31;--------------------------------------------------------------------
32; MenuEvent_ExitMenu
33; Parameters
34; SS:BP: Ptr to MENU
35; Returns:
36; CF: Set if event processed
37; Cleared if event not processed
38; Corrupts registers:
39; AX, BX, DX
40;--------------------------------------------------------------------
41ALIGN JUMP_ALIGN
42MenuEvent_ExitMenu:
43 mov bx, MENUEVENT.ExitMenu
44 jmp SHORT MenuEvent_SendFromBX
45
46
47;--------------------------------------------------------------------
48; MenuEvent_IdleProcessing
49; Parameters
50; SS:BP: Ptr to MENU
51; Returns:
52; CF: Set if event processed
53; Cleared if event not processed
54; Corrupts registers:
55; AX, BX, DX
56;--------------------------------------------------------------------
57ALIGN JUMP_ALIGN
58MenuEvent_IdleProcessing:
59 mov bx, MENUEVENT.IdleProcessing
60 jmp SHORT MenuEvent_SendFromBX
61
62
63;--------------------------------------------------------------------
64; MenuEvent_RefreshTitle
65; MenuEvent_RefreshInformation
66; Parameters
67; Cursor will be positioned to beginning of window
68; Returns:
69; CF: Set if event processed
70; Cleared if event not processed
71; Corrupts registers:
72; AX, BX, DX
73;--------------------------------------------------------------------
74ALIGN JUMP_ALIGN
75MenuEvent_RefreshTitle:
76 mov bx, MENUEVENT.RefreshTitle
77 jmp SHORT MenuEvent_SendFromBX
78ALIGN JUMP_ALIGN
79MenuEvent_RefreshInformation:
80 mov bx, MENUEVENT.RefreshInformation
81 jmp SHORT MenuEvent_SendFromBX
82
83
84;--------------------------------------------------------------------
85; MenuEvent_RefreshItemFromCX
86; Parameters
87; CX: Index of item to refresh
88; Cursor has been positioned to the beginning of item line
89; Returns:
90; CF: Set if event processed
91; Cleared if event not processed
92; Corrupts registers:
93; AX, BX, DX
94;--------------------------------------------------------------------
95ALIGN JUMP_ALIGN
96MenuEvent_RefreshItemFromCX:
97 mov bx, MENUEVENT.RefreshItemFromCX
98 jmp SHORT MenuEvent_SendFromBX
99
100
101;--------------------------------------------------------------------
102; MenuEvent_HighlightItemFromCX
103; Parameters
104; CX: Index of item to highlight
105; Returns:
106; Nothing
107; Corrupts registers:
108; AX, BX, DX, SI, DI
109;--------------------------------------------------------------------
110ALIGN JUMP_ALIGN
111MenuEvent_HighlightItemFromCX:
112 mov dx, cx
113 xchg dx, [bp+MENU.wHighlightedItem]
114 push dx
115
116 mov bx, MENUEVENT.ItemHighlightedFromCX
117 call MenuEvent_SendFromBX
118
119 pop ax
120 call MenuText_RefreshItemFromAX
121 mov ax, [bp+MENU.wHighlightedItem]
122 jmp MenuText_RefreshItemFromAX
123
124
125;--------------------------------------------------------------------
126; MenuEvent_KeyStrokeInAX
127; Parameters
128; AL: ASCII character for the key
129; AH: Keyboard library scan code for the key
130; Returns:
131; CF: Set if event processed
132; Cleared if event not processed
133; Corrupts registers:
134; AX, BX, DX
135;--------------------------------------------------------------------
136ALIGN JUMP_ALIGN
137MenuEvent_KeyStrokeInAX:
138 mov bx, MENUEVENT.KeyStrokeInAX
139 jmp SHORT MenuEvent_SendFromBX
140
141
142;--------------------------------------------------------------------
143; MenuEvent_ItemSelectedFromCX
144; Parameters
145; CX: Index of selected item
146; Returns:
147; CF: Set if event processed
148; Cleared if event not processed
149; Corrupts registers:
150; AX, BX, DX
151;--------------------------------------------------------------------
152ALIGN JUMP_ALIGN
153MenuEvent_ItemSelectedFromCX:
154 mov bx, MENUEVENT.ItemSelectedFromCX
155 jmp SHORT MenuEvent_SendFromBX
156
157
158;--------------------------------------------------------------------
159; MenuEvent_SendFromBX
160; Parameters
161; BX: Menu event to send
162; SS:BP: Ptr to MENU
163; Other registers: Event specific parameters
164; Returns:
165; AX, DX: Event specific return values
166; CF: Set if event processed
167; Cleared if event not processed
168; Corrupts registers:
169; BX
170;--------------------------------------------------------------------
171ALIGN JUMP_ALIGN
172MenuEvent_SendFromBX:
173 push es
174 push ds
175 push di
176 push si
177 push cx
178 call [bp+MENU.fnEventHandler]
179 pop cx
180 pop si
181 pop di
182 pop ds
183 pop es
184 ret
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