[41] | 1 | ; File name : MenuTime.asm |
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| 2 | ; Project name : Assembly Library |
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| 3 | ; Created date : 25.7.2010 |
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[60] | 4 | ; Last update : 25.11.2010 |
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[41] | 5 | ; Author : Tomi Tilli |
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| 6 | ; Description : Menu timeouts other time related functions. |
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| 7 | |
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| 8 | ; Section containing code |
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| 9 | SECTION .text |
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| 10 | |
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| 11 | ;-------------------------------------------------------------------- |
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[60] | 12 | ; MenuTime_StartSelectionTimeoutWithTicksInAX |
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[41] | 13 | ; Parameters |
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[60] | 14 | ; AX: Timeout ticks |
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[41] | 15 | ; SS:BP: Ptr to MENU |
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| 16 | ; Returns: |
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| 17 | ; Nothing |
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| 18 | ; Corrupts registers: |
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[60] | 19 | ; AX, BX |
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[41] | 20 | ;-------------------------------------------------------------------- |
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| 21 | ALIGN JUMP_ALIGN |
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[60] | 22 | MenuTime_StartSelectionTimeoutWithTicksInAX: |
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| 23 | push ds |
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| 24 | call PointDSBXtoTimeoutCounter |
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| 25 | call TimerTicks_InitializeTimeoutFromAX |
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| 26 | or BYTE [bp+MENU.bFlags], FLG_MENU_TIMEOUT_COUNTDOWN |
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| 27 | pop ds |
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[41] | 28 | ret |
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| 29 | |
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| 30 | |
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| 31 | ;-------------------------------------------------------------------- |
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[60] | 32 | ; MenuTime_StopSelectionTimeout |
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[41] | 33 | ; Parameters |
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| 34 | ; SS:BP: Ptr to MENU |
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| 35 | ; Returns: |
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| 36 | ; Nothing |
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| 37 | ; Corrupts registers: |
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[60] | 38 | ; AX, BX, DX, SI, DI |
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[41] | 39 | ;-------------------------------------------------------------------- |
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| 40 | ALIGN JUMP_ALIGN |
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[60] | 41 | MenuTime_StopSelectionTimeout: |
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| 42 | test BYTE [bp+MENU.bFlags], FLG_MENU_TIMEOUT_COUNTDOWN |
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| 43 | jz SHORT .TimeoutAlreadyStopped |
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| 44 | and BYTE [bp+MENU.bFlags], ~FLG_MENU_TIMEOUT_COUNTDOWN |
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| 45 | jmp MenuBorders_RedrawBottomBorderLine |
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| 46 | ALIGN JUMP_ALIGN |
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| 47 | .TimeoutAlreadyStopped: |
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[41] | 48 | ret |
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| 49 | |
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| 50 | |
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| 51 | ;-------------------------------------------------------------------- |
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| 52 | ; MenuTime_UpdateSelectionTimeout |
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| 53 | ; Parameters |
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| 54 | ; SS:BP: Ptr to MENU |
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| 55 | ; Returns: |
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| 56 | ; CF: Set if timeout |
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| 57 | ; Cleared if time left |
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| 58 | ; Corrupts registers: |
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[60] | 59 | ; AX, BX, SI, DI |
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[41] | 60 | ;-------------------------------------------------------------------- |
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| 61 | ALIGN JUMP_ALIGN |
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| 62 | MenuTime_UpdateSelectionTimeout: |
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[60] | 63 | test BYTE [bp+MENU.bFlags], FLG_MENU_TIMEOUT_COUNTDOWN |
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| 64 | jz SHORT .ReturnSinceTimeoutDisabled |
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| 65 | |
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[41] | 66 | push ds |
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[45] | 67 | call PointDSBXtoTimeoutCounter |
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[60] | 68 | call TimerTicks_GetTimeoutTicksLeftToAXfromDSBX |
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[41] | 69 | pop ds |
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[60] | 70 | jnc SHORT .RedrawSinceNoTimeout |
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| 71 | and BYTE [bp+MENU.bFlags], ~FLG_MENU_TIMEOUT_COUNTDOWN |
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| 72 | stc |
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[41] | 73 | ret |
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| 74 | |
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| 75 | ALIGN JUMP_ALIGN |
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[60] | 76 | .RedrawSinceNoTimeout: |
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| 77 | call MenuBorders_RedrawTimeoutValue |
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| 78 | clc |
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| 79 | ALIGN JUMP_ALIGN |
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[41] | 80 | .ReturnSinceTimeoutDisabled: |
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| 81 | ret |
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| 82 | |
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| 83 | |
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| 84 | ;-------------------------------------------------------------------- |
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[60] | 85 | ; MenuTime_GetTimeoutSecondsLeftToAX |
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[41] | 86 | ; Parameters |
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| 87 | ; SS:BP: Ptr to MENU |
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| 88 | ; Returns: |
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[45] | 89 | ; AX: Seconds until timeout |
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[41] | 90 | ; Corrupts registers: |
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[60] | 91 | ; AX |
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[41] | 92 | ;-------------------------------------------------------------------- |
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| 93 | ALIGN JUMP_ALIGN |
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[60] | 94 | MenuTime_GetTimeoutSecondsLeftToAX: |
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| 95 | push ds |
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| 96 | push dx |
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| 97 | push cx |
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| 98 | push bx |
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| 99 | |
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[45] | 100 | call PointDSBXtoTimeoutCounter |
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[60] | 101 | call TimerTicks_GetTimeoutTicksLeftToAXfromDSBX |
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| 102 | jc SHORT .TimeoutHasOccurred |
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| 103 | |
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[45] | 104 | xchg dx, ax |
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[60] | 105 | call TimerTicks_GetSecondsToAXfromTicksInDX |
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| 106 | clc |
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| 107 | jmp SHORT .PopRegistersAndReturn |
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| 108 | .TimeoutHasOccurred: |
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| 109 | xor ax, ax |
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| 110 | stc |
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| 111 | .PopRegistersAndReturn: |
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| 112 | pop bx |
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| 113 | pop cx |
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| 114 | pop dx |
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| 115 | pop ds |
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| 116 | ret |
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[41] | 117 | |
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| 118 | |
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| 119 | ;-------------------------------------------------------------------- |
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[45] | 120 | ; PointDSBXtoTimeoutCounter |
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[41] | 121 | ; Parameters |
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| 122 | ; SS:BP: Ptr to MENU |
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| 123 | ; Returns: |
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| 124 | ; DS:BX: Ptr to timeout counter |
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| 125 | ; Corrupts registers: |
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[45] | 126 | ; Nothing |
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[41] | 127 | ;-------------------------------------------------------------------- |
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| 128 | ALIGN JUMP_ALIGN |
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[45] | 129 | PointDSBXtoTimeoutCounter: |
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| 130 | push ss |
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| 131 | pop ds |
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| 132 | lea bx, [bp+MENU.wTimeoutCounter] |
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| 133 | ret |
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