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

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

Spaces can now be generated before format specifier when printing formatted string.
Background character and attribute can now be easily specified before compiling.
File size: 5.6 KB
Line 
1; File name : MenuTime.asm
2; Project name : Assembly Library
3; Created date : 25.7.2010
4; Last update : 27.9.2010
5; Author : Tomi Tilli
6; Description : Menu timeouts other time related functions.
7
8; Section containing code
9SECTION .text
10
11;--------------------------------------------------------------------
12; MenuTime_SetSelectionTimeoutValueFromAX
13; Parameters
14; AX: Selection timeout in system timer ticks
15; SS:BP: Ptr to MENU
16; Returns:
17; Nothing
18; Corrupts registers:
19; Nothing
20;--------------------------------------------------------------------
21ALIGN JUMP_ALIGN
22MenuTime_SetSelectionTimeoutValueFromAX:
23 mov [bp+MENUINIT.wTimeoutTicks], ax
24 ret
25
26
27;--------------------------------------------------------------------
28; MenuTime_RestartSelectionTimeout
29; Parameters
30; SS:BP: Ptr to MENU
31; Returns:
32; Nothing
33; Corrupts registers:
34; AX, BX
35;--------------------------------------------------------------------
36ALIGN JUMP_ALIGN
37MenuTime_RestartSelectionTimeout:
38 push ds
39 call PointDSBXtoTimeoutCounter
40 mov ax, [bp+MENUINIT.wTimeoutTicks]
41 call TimerTicks_InitializeTimeoutFromAX ; End time to [DS:BX]
42 pop ds
43 ret
44
45
46;--------------------------------------------------------------------
47; MenuTime_UpdateSelectionTimeout
48; Parameters
49; SS:BP: Ptr to MENU
50; Returns:
51; CF: Set if timeout
52; Cleared if time left
53; Corrupts registers:
54; AX, BX, CX, DX, SI, DI
55;--------------------------------------------------------------------
56ALIGN JUMP_ALIGN
57MenuTime_UpdateSelectionTimeout:
58 cmp WORD [bp+MENUINIT.wTimeoutTicks], BYTE 0
59 je SHORT .ReturnSinceTimeoutDisabled ; CF cleared
60 push ds
61
62 call GetSecondsUntilTimeoutToAXandPtrToTimeoutCounterToDSBX
63 cmp al, [bp+MENU.bLastSecondPrinted]
64 je SHORT .SetCFifTimeoutAndReturn
65 mov [bp+MENU.bLastSecondPrinted], al
66 call DrawTimeoutInAXoverMenuBorders
67
68ALIGN JUMP_ALIGN
69.SetCFifTimeoutAndReturn:
70 call TimerTicks_SetCarryIfTimeoutFromDSBX
71 pop ds
72.ReturnSinceTimeoutDisabled:
73 ret
74
75
76;--------------------------------------------------------------------
77; MenuTime_DrawWithoutUpdating
78; Parameters
79; SS:BP: Ptr to MENU
80; Returns:
81; Nothing
82; Corrupts registers:
83; AX, BX, CX, DX, SI, DI
84;--------------------------------------------------------------------
85ALIGN JUMP_ALIGN
86MenuTime_DrawWithoutUpdating:
87 cmp WORD [bp+MENUINIT.wTimeoutTicks], BYTE 0
88 je SHORT .ReturnSinceTimeoutDisabled
89
90 push ds
91 call GetSecondsUntilTimeoutToAXandPtrToTimeoutCounterToDSBX
92 call DrawTimeoutInAXoverMenuBorders
93 pop ds
94.ReturnSinceTimeoutDisabled:
95 ret
96
97
98;--------------------------------------------------------------------
99; PointDSBXtoTimeoutCounter
100; Parameters
101; SS:BP: Ptr to MENU
102; Returns:
103; DS:BX: Ptr to timeout counter
104; Corrupts registers:
105; Nothing
106;--------------------------------------------------------------------
107ALIGN JUMP_ALIGN
108PointDSBXtoTimeoutCounter:
109 push ss
110 pop ds
111 lea bx, [bp+MENU.wTimeoutCounter]
112 ret
113
114
115;--------------------------------------------------------------------
116; GetSecondsUntilTimeoutToAXandPtrToTimeoutCounterToDSBX
117; Parameters
118; SS:BP: Ptr to MENU
119; Returns:
120; AX: Seconds until timeout
121; DS:BX: Ptr to timeout counter
122; Corrupts registers:
123; AX, CX, DX
124;--------------------------------------------------------------------
125ALIGN JUMP_ALIGN
126GetSecondsUntilTimeoutToAXandPtrToTimeoutCounterToDSBX:
127 call PointDSBXtoTimeoutCounter
128 call TimerTicks_GetElapsedToAXfromDSBX
129 neg ax ; Negate since DS:BX points to end time
130 MAX_S ax, 0 ; Set to zero if overflow
131 xchg dx, ax
132 jmp TimerTicks_GetSecondsToAXfromTicksInDX
133
134
135;--------------------------------------------------------------------
136; DrawTimeoutInAXoverMenuBorders
137; Parameters
138; AX: Seconds to draw
139; SS:BP: Ptr to MENU
140; Returns:
141; Nothing
142; Corrupts registers:
143; AX, CX, DX, SI, DI
144;--------------------------------------------------------------------
145ALIGN JUMP_ALIGN
146DrawTimeoutInAXoverMenuBorders:
147 xchg cx, ax
148 call MenuBorders_AdjustDisplayContextForDrawingBorders
149 call MenuLocation_GetBottomBordersTopLeftCoordinatesToAX
150 CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX
151 ; Fall to .PrintTimeoutStringWithSecondsInDX
152
153;--------------------------------------------------------------------
154; .PrintTimeoutStringWithSecondsInDX
155; Parameters
156; CX: Seconds to print
157; SS:BP: Ptr to MENU
158; Returns:
159; Nothing
160; Corrupts registers:
161; AX, DX, SI, DI
162;--------------------------------------------------------------------
163;ALIGN JUMP_ALIGN
164.PrintTimeoutStringWithSecondsInDX:
165 push bp
166
167 mov bp, sp
168 call .GetTimeoutAttributeToAXfromSecondsInCX
169 mov si, .szSelectionTimeout
170 push ax ; Push attribute
171 push cx ; Push seconds
172 CALL_DISPLAY_LIBRARY FormatNullTerminatedStringFromCSSI
173 pop bp
174
175 mov al, DOUBLE_RIGHT_HORIZONTAL_TO_SINGLE_VERTICAL
176 jmp MenuBorders_PrintSingleBorderCharacterFromAL
177.szSelectionTimeout:
178 db DOUBLE_BOTTOM_LEFT_CORNER
179 db DOUBLE_LEFT_HORIZONTAL_TO_SINGLE_VERTICAL
180 db "%AAutoselection in %2-ds",NULL
181
182;--------------------------------------------------------------------
183; .GetTimeoutAttributeToAXfromSecondsInCX
184; Parameters
185; CX: Seconds to print
186; Returns:
187; AX: Attribute byte for seconds
188; CX: Seconds to print
189; Corrupts registers:
190; SI, DI
191;--------------------------------------------------------------------
192ALIGN JUMP_ALIGN
193.GetTimeoutAttributeToAXfromSecondsInCX:
194 mov si, ATTRIBUTE_CHARS.cNormalTimeout
195 cmp cx, BYTE 3
196 ja SHORT .GetAttributeToAX
197 add si, BYTE ATTRIBUTE_CHARS.cHurryTimeout - ATTRIBUTE_CHARS.cNormalTimeout
198ALIGN JUMP_ALIGN
199.GetAttributeToAX:
200 jmp MenuAttribute_GetToAXfromTypeInSI
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