1 | ; File name : MenuBorders.asm
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2 | ; Project name : Assembly Library
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3 | ; Created date : 14.7.2010
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4 | ; Last update : 30.11.2010
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5 | ; Author : Tomi Tilli
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6 | ; Description : Functions for drawing menu borders.
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7 |
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8 | ; Struct containing border characters for different types of menu window lines
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9 | struc BORDER_CHARS
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10 | .cLeft resb 1
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11 | .cMiddle resb 1
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12 | .cRight resb 1
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13 | endstruc
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14 |
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15 |
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16 | ; Section containing code
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17 | SECTION .text
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18 |
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19 | ;--------------------------------------------------------------------
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20 | ; MenuBorders_RefreshAll
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21 | ; Parameters
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22 | ; SS:BP: Ptr to MENU
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23 | ; Returns:
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24 | ; Nothing
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25 | ; Corrupts registers:
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26 | ; AX, BX, CX, DX, SI, DI
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27 | ;--------------------------------------------------------------------
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28 | ALIGN JUMP_ALIGN
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29 | MenuBorders_RefreshAll:
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30 | call MenuBorders_AdjustDisplayContextForDrawingBorders
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31 | call GetNumberOfMiddleCharactersToDX
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32 | call RefreshTitleBorders
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33 | call RefreshItemBorders
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34 | call RefreshInformationBorders
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35 | call DrawBottomBorderLine
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36 | jmp DrawBottomShadowLine
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37 |
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38 |
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39 | ;--------------------------------------------------------------------
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40 | ; MenuBorders_RedrawBottomBorderLine
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41 | ; Parameters
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42 | ; SS:BP: Ptr to MENU
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43 | ; Returns:
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44 | ; Nothing
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45 | ; Corrupts registers:
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46 | ; AX, BX, DX, SI, DI
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47 | ;--------------------------------------------------------------------
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48 | ALIGN JUMP_ALIGN
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49 | MenuBorders_RedrawBottomBorderLine:
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50 | call MenuBorders_AdjustDisplayContextForDrawingBorders
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51 | call MenuLocation_GetBottomBordersTopLeftCoordinatesToAX
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52 | CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX
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53 | call GetNumberOfMiddleCharactersToDX
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54 | jmp SHORT DrawBottomBorderLine
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55 |
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56 |
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57 | ;--------------------------------------------------------------------
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58 | ; MenuBorders_AdjustDisplayContextForDrawingBorders
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59 | ; Parameters
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60 | ; SS:BP: Ptr to MENU
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61 | ; Returns:
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62 | ; Nothing
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63 | ; Corrupts registers:
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64 | ; AX, BX, SI, DI
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65 | ;--------------------------------------------------------------------
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66 | ALIGN JUMP_ALIGN
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67 | MenuBorders_AdjustDisplayContextForDrawingBorders:
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68 | mov bl, ATTRIBUTES_ARE_USED
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69 | mov ax, MenuCharOut_MenuTeletypeOutput
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70 | CALL_DISPLAY_LIBRARY SetCharOutputFunctionFromAXwithAttribFlagInBL
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71 |
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72 | call CharOutLineSplitter_GetFirstBorderLineColumnOffsetToAX
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73 | CALL_DISPLAY_LIBRARY SetCharacterOutputParameterFromAX
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74 |
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75 | call MenuLocation_GetTitleBordersTopLeftCoordinatesToAX
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76 | CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX
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77 |
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78 | mov si, ATTRIBUTE_CHARS.cBordersAndBackground
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79 | jmp MenuAttribute_SetToDisplayContextFromTypeInSI
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80 |
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81 |
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82 | ;--------------------------------------------------------------------
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83 | ; MenuBorders_RefreshItemBorders
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84 | ; Parameters
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85 | ; SS:BP: Ptr to MENU
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86 | ; Returns:
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87 | ; Nothing
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88 | ; Corrupts registers:
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89 | ; AX, BX, CX, DX, SI, DI
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90 | ;--------------------------------------------------------------------
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91 | ALIGN JUMP_ALIGN
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92 | MenuBorders_RefreshItemBorders:
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93 | call MenuBorders_AdjustDisplayContextForDrawingBorders
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94 | call MenuLocation_GetItemBordersTopLeftCoordinatesToAX
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95 | CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX
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96 |
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97 | call GetNumberOfMiddleCharactersToDX
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98 | jmp SHORT RefreshItemBorders
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99 |
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100 |
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101 | ;--------------------------------------------------------------------
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102 | ; GetNumberOfMiddleCharactersToDX
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103 | ; Parameters
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104 | ; SS:BP: Ptr to MENU
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105 | ; Returns:
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106 | ; DX: Number of middle border characters when drawing border lines
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107 | ; Corrupts registers:
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108 | ; Nothing
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109 | ;--------------------------------------------------------------------
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110 | ALIGN JUMP_ALIGN
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111 | GetNumberOfMiddleCharactersToDX:
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112 | eMOVZX dx, BYTE [bp+MENUINIT.bWidth]
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113 | sub dx, BYTE MENU_HORIZONTAL_BORDER_LINES
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114 | ret
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115 |
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116 |
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117 | ;--------------------------------------------------------------------
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118 | ; RefreshTitleBorders
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119 | ; Parameters
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120 | ; DX: Number of times to repeat middle character
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121 | ; SS:BP: Ptr to MENU
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122 | ; Returns:
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123 | ; Nothing
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124 | ; Corrupts registers:
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125 | ; AX, BX, CX, SI, DI
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126 | ;--------------------------------------------------------------------
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127 | ALIGN JUMP_ALIGN
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128 | RefreshTitleBorders:
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129 | call DrawTopBorderLine
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130 | eMOVZX cx, BYTE [bp+MENUINIT.bTitleLines]
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131 | jmp SHORT DrawTextBorderLinesByCXtimes
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132 |
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133 | ;--------------------------------------------------------------------
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134 | ; RefreshInformationBorders
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135 | ; Parameters
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136 | ; DX: Number of times to repeat middle character
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137 | ; SS:BP: Ptr to MENU
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138 | ; Returns:
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139 | ; Nothing
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140 | ; Corrupts registers:
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141 | ; AX, BX, CX, SI, DI
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142 | ;--------------------------------------------------------------------
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143 | ALIGN JUMP_ALIGN
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144 | RefreshInformationBorders:
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145 | call DrawSeparationBorderLine
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146 | eMOVZX cx, BYTE [bp+MENUINIT.bInfoLines]
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147 | jmp SHORT DrawTextBorderLinesByCXtimes
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148 |
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149 | ;--------------------------------------------------------------------
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150 | ; RefreshItemBorders
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151 | ; Parameters
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152 | ; DX: Number of times to repeat middle character
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153 | ; SS:BP: Ptr to MENU
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154 | ; Returns:
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155 | ; Nothing
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156 | ; Corrupts registers:
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157 | ; AX, BX, CX, SI, DI
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158 | ;--------------------------------------------------------------------
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159 | ALIGN JUMP_ALIGN
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160 | RefreshItemBorders:
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161 | call DrawSeparationBorderLine
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162 | call MenuScrollbars_GetMaxVisibleItemsOnPageToCX
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163 | DrawTextBorderLinesByCXtimes:
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164 | mov bx, DrawTextBorderLine
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165 | ; Fall to DrawBorderLinesByCXtimes
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166 |
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167 | ;--------------------------------------------------------------------
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168 | ; DrawBorderLinesByCXtimes
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169 | ; Parameters
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170 | ; BX: Offset to border drawing function
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171 | ; CX: Number of border lines to draw
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172 | ; DX: Number of times to repeat middle character
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173 | ; SS:BP: Ptr to MENU
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174 | ; Returns:
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175 | ; Nothing
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176 | ; Corrupts registers:
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177 | ; AX, CX, SI, DI
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178 | ;--------------------------------------------------------------------
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179 | DrawBorderLinesByCXtimes:
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180 | jcxz .Return
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181 | ALIGN JUMP_ALIGN
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182 | .DrawBordersWithFunctionInBX:
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183 | call bx
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184 | loop .DrawBordersWithFunctionInBX
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185 | .Return:
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186 | ret
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187 |
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188 |
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189 | ;--------------------------------------------------------------------
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190 | ; DrawTopBorderLine
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191 | ; DrawSeparationBorderLine
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192 | ; DrawBottomBorderLine
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193 | ; DrawTimeoutCounterOverBottomBorderLine
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194 | ; DrawBottomShadowLine
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195 | ; DrawTextBorderLine
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196 | ; Parameters
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197 | ; DX: Number of times to repeat middle character
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198 | ; SS:BP: Ptr to MENU
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199 | ; Returns:
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200 | ; Nothing
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201 | ; Corrupts registers:
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202 | ; AX, SI, DI
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203 | ;--------------------------------------------------------------------
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204 | ALIGN JUMP_ALIGN
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205 | DrawTopBorderLine:
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206 | mov si, g_rgbTopBorderCharacters
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207 | call PrintBorderCharactersFromCSSI
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208 | jmp SHORT PrintNewlineToEndBorderLine
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209 |
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210 | ALIGN JUMP_ALIGN
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211 | DrawSeparationBorderLine:
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212 | mov si, g_rgbSeparationBorderCharacters
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213 | jmp SHORT PrintBorderCharactersFromCSSIandShadowCharacter
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214 |
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215 | ALIGN JUMP_ALIGN
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216 | DrawBottomBorderLine:
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217 | mov si, g_rgbBottomBorderCharacters
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218 | test BYTE [bp+MENU.bFlags], FLG_MENU_TIMEOUT_COUNTDOWN
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219 | jz SHORT PrintBorderCharactersFromCSSIandShadowCharacter
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220 |
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221 | call DrawTimeoutCounterString
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222 | sub dx, BYTE MENU_TIMEOUT_STRING_CHARACTERS
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223 | mov si, g_BottomBorderWithTimeoutCharacters
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224 | call PrintBorderCharactersFromCSSIandShadowCharacter
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225 | add dx, BYTE MENU_TIMEOUT_STRING_CHARACTERS
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226 | ret
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227 |
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228 | ALIGN JUMP_ALIGN
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229 | DrawBottomShadowLine:
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230 | mov ax, 1 ; Increment column
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231 | call MenuLocation_MoveCursorByALcolumnsAndAHrows
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232 | inc dx ; Increment repeat count...
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233 | inc dx ; ...for both corner characters
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234 | call PrintShadowCharactersByDXtimes
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235 | dec dx ; Restore...
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236 | dec dx ; ...DX
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237 | ret
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238 |
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239 | ALIGN JUMP_ALIGN
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240 | DrawTextBorderLine:
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241 | mov si, g_rgbTextBorderCharacters
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242 | ; Fall to PrintBorderCharactersFromCSSIandShadowCharacter
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243 |
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244 | ;--------------------------------------------------------------------
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245 | ; PrintBorderCharactersFromCSSIandShadowCharacter
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246 | ; Parameters
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247 | ; DX: Number of times to repeat middle character
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248 | ; CS:SI: Ptr to BORDER_CHARS
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249 | ; SS:BP: Ptr to MENU
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250 | ; Returns:
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251 | ; Nothing
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252 | ; Corrupts registers:
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253 | ; AX, SI, DI
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254 | ;--------------------------------------------------------------------
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255 | ALIGN JUMP_ALIGN
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256 | PrintBorderCharactersFromCSSIandShadowCharacter:
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257 | call PrintBorderCharactersFromCSSI
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258 | push dx
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259 | mov dx, 1
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260 | call PrintShadowCharactersByDXtimes
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261 | pop dx
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262 | ; Fall to PrintNewlineToEndBorderLine
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263 |
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264 | ;--------------------------------------------------------------------
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265 | ; PrintNewlineToEndBorderLine
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266 | ; Parameters
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267 | ; SS:BP: Ptr to MENU
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268 | ; Returns:
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269 | ; Nothing
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270 | ; Corrupts registers:
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271 | ; AX, DI
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272 | ;--------------------------------------------------------------------
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273 | ALIGN JUMP_ALIGN
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274 | PrintNewlineToEndBorderLine:
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275 | CALL_DISPLAY_LIBRARY PrintNewlineCharacters
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276 | ret
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277 |
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278 |
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279 | ;--------------------------------------------------------------------
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280 | ; PrintShadowCharactersByDXtimes
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281 | ; Parameters
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282 | ; DX: Number of shadow characters to print
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283 | ; SS:BP: Ptr to MENU
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284 | ; Returns:
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285 | ; Nothing
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286 | ; Corrupts registers:
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287 | ; AX, SI, DI
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288 | ;--------------------------------------------------------------------
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289 | ALIGN JUMP_ALIGN
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290 | PrintShadowCharactersByDXtimes:
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291 | CALL_DISPLAY_LIBRARY PushDisplayContext
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292 |
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293 | mov si, ATTRIBUTE_CHARS.cShadow
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294 | call MenuAttribute_SetToDisplayContextFromTypeInSI
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295 |
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296 | push bx
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297 | mov bl, ATTRIBUTES_ARE_USED
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298 | mov ax, FAST_OUTPUT_WITH_ATTRIBUTE_ONLY
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299 | CALL_DISPLAY_LIBRARY SetCharOutputFunctionFromAXwithAttribFlagInBL
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300 | pop bx
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301 |
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302 | call PrintMultipleBorderCharactersFromAL ; AL does not matter
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303 |
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304 | CALL_DISPLAY_LIBRARY PopDisplayContext
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305 | ret
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306 |
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307 |
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308 | ;--------------------------------------------------------------------
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309 | ; PrintBorderCharactersFromCSSI
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310 | ; Parameters
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311 | ; DX: Number of times to repeat middle character
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312 | ; CS:SI: Ptr to BORDER_CHARS
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313 | ; SS:BP: Ptr to MENU
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314 | ; Returns:
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315 | ; Nothing
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316 | ; Corrupts registers:
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317 | ; AX, SI, DI
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318 | ;--------------------------------------------------------------------
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319 | ALIGN JUMP_ALIGN
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320 | PrintBorderCharactersFromCSSI:
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321 | cld
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322 | eSEG cs
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323 | lodsb ; Load from [si+BORDER_CHARS.cLeft] to AL
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324 | call MenuBorders_PrintSingleBorderCharacterFromAL
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325 |
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326 | eSEG cs
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327 | lodsb ; Load from [si+BORDER_CHARS.cMiddle] to AL
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328 | call PrintMultipleBorderCharactersFromAL
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329 |
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330 | eSEG cs
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331 | lodsb ; Load from [si+BORDER_CHARS.cRight] to AL
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332 | ; Fall to MenuBorders_PrintSingleBorderCharacterFromAL
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333 |
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334 | ;--------------------------------------------------------------------
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335 | ; MenuBorders_PrintSingleBorderCharacterFromAL
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336 | ; PrintMultipleBorderCharactersFromAL
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337 | ; Parameters
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338 | ; AL: Character to print
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339 | ; DX: Repeat count (PrintMultipleBorderCharactersFromAL)
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340 | ; SS:BP: Ptr to MENU
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341 | ; Returns:
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342 | ; Nothing
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343 | ; Corrupts registers:
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344 | ; AX, DI
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345 | ;--------------------------------------------------------------------
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346 | ALIGN JUMP_ALIGN
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347 | MenuBorders_PrintSingleBorderCharacterFromAL:
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348 | CALL_DISPLAY_LIBRARY PrintCharacterFromAL
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349 | ret
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350 |
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351 | ALIGN JUMP_ALIGN
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352 | PrintMultipleBorderCharactersFromAL:
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353 | push cx
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354 | mov cx, dx
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355 | CALL_DISPLAY_LIBRARY PrintRepeatedCharacterFromALwithCountInCX
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356 | pop cx
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357 | ret
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358 |
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359 |
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360 | ;--------------------------------------------------------------------
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361 | ; DrawTimeoutCounterString
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362 | ; Parameters
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363 | ; SS:BP: Ptr to MENU
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364 | ; Returns:
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365 | ; Nothing
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366 | ; Corrupts registers:
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367 | ; AX, SI, DI
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368 | ;--------------------------------------------------------------------
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369 | ALIGN JUMP_ALIGN
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370 | DrawTimeoutCounterString:
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371 | call MenuTime_GetTimeoutSecondsLeftToAX
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372 | ; Fall to .PrintTimeoutStringWithSecondsInAX
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373 |
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374 | ;--------------------------------------------------------------------
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375 | ; .PrintTimeoutStringWithSecondsInAX
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376 | ; Parameters
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377 | ; AX: Seconds to print
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378 | ; SS:BP: Ptr to MENU
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379 | ; Returns:
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380 | ; Nothing
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381 | ; Corrupts registers:
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382 | ; AX, SI, DI
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383 | ;--------------------------------------------------------------------
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384 | ;ALIGN JUMP_ALIGN
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385 | .PrintTimeoutStringWithSecondsInAX:
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386 | push bp
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387 |
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388 | xchg di, ax
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389 | mov bp, sp
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390 | call .GetTimeoutAttributeToAXfromSecondsInDI
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391 | mov si, .szSelectionTimeout
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392 | push ax ; Push attribute
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393 | push di ; Push seconds
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394 | CALL_DISPLAY_LIBRARY FormatNullTerminatedStringFromCSSI
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395 | pop bp
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396 | ret
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397 | .szSelectionTimeout:
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398 | db DOUBLE_BOTTOM_LEFT_CORNER
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399 | db DOUBLE_LEFT_HORIZONTAL_TO_SINGLE_VERTICAL
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400 | db "%AAutoselection in %2u s",NULL
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401 |
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402 | ;--------------------------------------------------------------------
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403 | ; .GetTimeoutAttributeToAXfromSecondsInDI
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404 | ; Parameters
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405 | ; DI: Seconds to print
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406 | ; Returns:
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407 | ; AX: Attribute byte for seconds
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408 | ; Corrupts registers:
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409 | ; SI
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410 | ;--------------------------------------------------------------------
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411 | ALIGN JUMP_ALIGN
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412 | .GetTimeoutAttributeToAXfromSecondsInDI:
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413 | mov si, ATTRIBUTE_CHARS.cNormalTimeout
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414 | cmp di, BYTE MENU_TIMEOUT_SECONDS_FOR_HURRY
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415 | eCMOVB si, ATTRIBUTE_CHARS.cHurryTimeout
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416 | jmp MenuAttribute_GetToAXfromTypeInSI
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417 |
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418 |
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419 | ; Lookup tables for border characters
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420 | g_rgbTopBorderCharacters:
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421 | istruc BORDER_CHARS
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422 | at BORDER_CHARS.cLeft, db DOUBLE_TOP_LEFT_CORNER
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423 | at BORDER_CHARS.cMiddle, db DOUBLE_HORIZONTAL
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424 | at BORDER_CHARS.cRight, db DOUBLE_TOP_RIGHT_CORNER
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425 | iend
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426 |
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427 | g_rgbSeparationBorderCharacters:
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428 | istruc BORDER_CHARS
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429 | at BORDER_CHARS.cLeft, db DOUBLE_VERTICAL_TO_RIGHT_SINGLE
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430 | at BORDER_CHARS.cMiddle, db SINGLE_HORIZONTAL
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431 | at BORDER_CHARS.cRight, db DOUBLE_VERTICAL_TO_LEFT_SINGLE
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432 | iend
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433 |
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434 | g_rgbBottomBorderCharacters:
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435 | istruc BORDER_CHARS
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436 | at BORDER_CHARS.cLeft, db DOUBLE_BOTTOM_LEFT_CORNER
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437 | at BORDER_CHARS.cMiddle, db DOUBLE_HORIZONTAL
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438 | at BORDER_CHARS.cRight, db DOUBLE_BOTTOM_RIGHT_CORNER
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439 | iend
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440 |
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441 | g_BottomBorderWithTimeoutCharacters:
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442 | istruc BORDER_CHARS
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443 | at BORDER_CHARS.cLeft, db DOUBLE_RIGHT_HORIZONTAL_TO_SINGLE_VERTICAL
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444 | at BORDER_CHARS.cMiddle, db DOUBLE_HORIZONTAL
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445 | at BORDER_CHARS.cRight, db DOUBLE_BOTTOM_RIGHT_CORNER
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446 | iend
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447 |
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448 | g_rgbTextBorderCharacters:
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449 | istruc BORDER_CHARS
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450 | at BORDER_CHARS.cLeft, db DOUBLE_VERTICAL
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451 | at BORDER_CHARS.cMiddle, db ' '
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452 | at BORDER_CHARS.cRight, db DOUBLE_VERTICAL
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453 | iend
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