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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4 | ; Last update : 4.10.2010 |
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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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12 | ; MenuTime_SetSelectionTimeoutValueFromAX |
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13 | ; Parameters |
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14 | ; AX: Selection timeout in system timer ticks |
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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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19 | ; Nothing |
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20 | ;-------------------------------------------------------------------- |
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21 | ALIGN JUMP_ALIGN |
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22 | MenuTime_SetSelectionTimeoutValueFromAX: |
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23 | mov [bp+MENUINIT.wTimeoutTicks], ax |
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24 | ret |
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25 | |
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26 | |
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27 | ;-------------------------------------------------------------------- |
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28 | ; MenuTime_RestartSelectionTimeout |
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29 | ; Parameters |
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30 | ; SS:BP: Ptr to MENU |
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31 | ; Returns: |
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32 | ; Nothing |
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33 | ; Corrupts registers: |
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34 | ; AX, BX |
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35 | ;-------------------------------------------------------------------- |
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36 | ALIGN JUMP_ALIGN |
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37 | MenuTime_RestartSelectionTimeout: |
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38 | push ds |
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39 | call PointDSBXtoTimeoutCounter |
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40 | mov ax, [bp+MENUINIT.wTimeoutTicks] |
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41 | call TimerTicks_InitializeTimeoutFromAX ; End time to [DS:BX] |
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42 | pop ds |
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43 | ret |
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44 | |
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45 | |
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46 | ;-------------------------------------------------------------------- |
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47 | ; MenuTime_UpdateSelectionTimeout |
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48 | ; Parameters |
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49 | ; SS:BP: Ptr to MENU |
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50 | ; Returns: |
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51 | ; CF: Set if timeout |
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52 | ; Cleared if time left |
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53 | ; Corrupts registers: |
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54 | ; AX, BX, CX, DX, SI, DI |
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55 | ;-------------------------------------------------------------------- |
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56 | ALIGN JUMP_ALIGN |
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57 | MenuTime_UpdateSelectionTimeout: |
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58 | push ds |
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59 | |
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60 | call MenuTime_DrawWithoutUpdating |
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61 | jnc SHORT .TimeoutDisabled |
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62 | call PointDSBXtoTimeoutCounter |
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63 | call TimerTicks_SetCarryIfTimeoutFromDSBX |
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64 | |
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65 | ALIGN JUMP_ALIGN |
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66 | .TimeoutDisabled: |
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67 | pop ds |
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68 | ret |
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69 | |
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70 | ;-------------------------------------------------------------------- |
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71 | ; MenuTime_DrawWithoutUpdating |
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72 | ; Parameters |
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73 | ; SS:BP: Ptr to MENU |
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74 | ; Returns: |
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75 | ; CF: Set if timeout enabled |
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76 | ; Cleared if timeout disabled |
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77 | ; Corrupts registers: |
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78 | ; AX, BX, CX, DX, SI, DI |
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79 | ;-------------------------------------------------------------------- |
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80 | ALIGN JUMP_ALIGN |
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81 | MenuTime_DrawWithoutUpdating: |
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82 | cmp WORD [bp+MENUINIT.wTimeoutTicks], BYTE 0 |
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83 | je SHORT .ReturnSinceTimeoutDisabled ; Clear CF |
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84 | |
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85 | push ds |
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86 | call GetSecondsLeftUntilTimeoutToAXandCounterToDSBX |
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87 | call DrawTimeoutInAXoverMenuBorders |
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88 | pop ds |
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89 | stc |
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90 | ALIGN JUMP_ALIGN, ret |
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91 | .ReturnSinceTimeoutDisabled: |
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92 | ret |
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93 | |
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94 | |
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95 | ;-------------------------------------------------------------------- |
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96 | ; GetSecondsLeftUntilTimeoutToAXandCounterToDSBX |
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97 | ; Parameters |
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98 | ; SS:BP: Ptr to MENU |
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99 | ; Returns: |
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100 | ; AX: Seconds until timeout |
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101 | ; DS:BX: Ptr to timeout counter |
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102 | ; Corrupts registers: |
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103 | ; AX, CX, DX |
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104 | ;-------------------------------------------------------------------- |
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105 | ALIGN JUMP_ALIGN |
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106 | GetSecondsLeftUntilTimeoutToAXandCounterToDSBX: |
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107 | call PointDSBXtoTimeoutCounter |
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108 | call TimerTicks_GetElapsedToAXfromDSBX |
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109 | neg ax ; Negate since DS:BX points to end time |
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110 | MAX_S ax, 0 ; Set to zero if overflow |
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111 | xchg dx, ax |
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112 | jmp TimerTicks_GetSecondsToAXfromTicksInDX |
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113 | |
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114 | |
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115 | ;-------------------------------------------------------------------- |
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116 | ; PointDSBXtoTimeoutCounter |
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117 | ; Parameters |
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118 | ; SS:BP: Ptr to MENU |
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119 | ; Returns: |
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120 | ; DS:BX: Ptr to timeout counter |
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121 | ; Corrupts registers: |
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122 | ; Nothing |
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123 | ;-------------------------------------------------------------------- |
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124 | ALIGN JUMP_ALIGN |
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125 | PointDSBXtoTimeoutCounter: |
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126 | push ss |
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127 | pop ds |
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128 | lea bx, [bp+MENU.wTimeoutCounter] |
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129 | ret |
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130 | |
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131 | |
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132 | ;-------------------------------------------------------------------- |
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133 | ; DrawTimeoutInAXoverMenuBorders |
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134 | ; Parameters |
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135 | ; AX: Seconds to draw |
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136 | ; SS:BP: Ptr to MENU |
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137 | ; Returns: |
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138 | ; Nothing |
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139 | ; Corrupts registers: |
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140 | ; AX, CX, DX, SI, DI |
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141 | ;-------------------------------------------------------------------- |
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142 | ALIGN JUMP_ALIGN |
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143 | DrawTimeoutInAXoverMenuBorders: |
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144 | xchg cx, ax |
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145 | call MenuBorders_AdjustDisplayContextForDrawingBorders |
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146 | call MenuLocation_GetBottomBordersTopLeftCoordinatesToAX |
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147 | CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX |
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148 | ; Fall to .PrintTimeoutStringWithSecondsInDX |
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149 | |
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150 | ;-------------------------------------------------------------------- |
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151 | ; .PrintTimeoutStringWithSecondsInDX |
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152 | ; Parameters |
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153 | ; CX: Seconds to print |
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154 | ; SS:BP: Ptr to MENU |
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155 | ; Returns: |
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156 | ; Nothing |
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157 | ; Corrupts registers: |
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158 | ; AX, DX, SI, DI |
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159 | ;-------------------------------------------------------------------- |
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160 | ;ALIGN JUMP_ALIGN |
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161 | .PrintTimeoutStringWithSecondsInDX: |
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162 | push bp |
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163 | |
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164 | mov bp, sp |
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165 | call .GetTimeoutAttributeToAXfromSecondsInCX |
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166 | mov si, .szSelectionTimeout |
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167 | push ax ; Push attribute |
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168 | push cx ; Push seconds |
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169 | CALL_DISPLAY_LIBRARY FormatNullTerminatedStringFromCSSI |
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170 | pop bp |
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171 | |
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172 | ; Draw right border with normal border color |
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173 | mov al, DOUBLE_RIGHT_HORIZONTAL_TO_SINGLE_VERTICAL |
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174 | jmp MenuBorders_PrintSingleBorderCharacterFromAL |
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175 | .szSelectionTimeout: |
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176 | db DOUBLE_BOTTOM_LEFT_CORNER |
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177 | db DOUBLE_LEFT_HORIZONTAL_TO_SINGLE_VERTICAL |
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178 | db "%AAutoselection in %2u s",NULL |
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179 | |
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180 | ;-------------------------------------------------------------------- |
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181 | ; .GetTimeoutAttributeToAXfromSecondsInCX |
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182 | ; Parameters |
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183 | ; CX: Seconds to print |
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184 | ; Returns: |
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185 | ; AX: Attribute byte for seconds |
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186 | ; CX: Seconds to print |
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187 | ; Corrupts registers: |
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188 | ; SI, DI |
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189 | ;-------------------------------------------------------------------- |
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190 | ALIGN JUMP_ALIGN |
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191 | .GetTimeoutAttributeToAXfromSecondsInCX: |
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192 | mov si, ATTRIBUTE_CHARS.cNormalTimeout |
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193 | cmp cx, BYTE 3 |
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194 | ja SHORT .GetAttributeToAX |
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195 | add si, BYTE ATTRIBUTE_CHARS.cHurryTimeout - ATTRIBUTE_CHARS.cNormalTimeout |
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196 | ALIGN JUMP_ALIGN |
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197 | .GetAttributeToAX: |
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198 | jmp MenuAttribute_GetToAXfromTypeInSI |
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