1 | ; Project name : XTIDE Universal BIOS Configurator v2 |
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2 | ; Description : Menu event handling. |
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3 | |
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4 | ; Section containing code |
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5 | SECTION .text |
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6 | |
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7 | ;-------------------------------------------------------------------- |
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8 | ; MenuEvents_DisplayMenu |
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9 | ; Parameters: |
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10 | ; Nothing |
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11 | ; Returns: |
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12 | ; Nothing |
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13 | ; Corrupts registers: |
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14 | ; All, except segments |
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15 | ;-------------------------------------------------------------------- |
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16 | ALIGN JUMP_ALIGN |
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17 | MenuEvents_DisplayMenu: |
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18 | mov bx, MenuEventHandler |
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19 | CALL_MENU_LIBRARY DisplayWithHandlerInBXandUserDataInDXAX |
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20 | ret |
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21 | |
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22 | |
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23 | ;-------------------------------------------------------------------- |
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24 | ; MenuEventHandler |
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25 | ; Common parameters for all events: |
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26 | ; BX: Menu event (anything from MENUEVENT struct) |
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27 | ; SS:BP: Menu library handle |
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28 | ; Common return values for all events: |
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29 | ; CF: Set if event processed |
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30 | ; Cleared if event not processed |
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31 | ; Corrupts registers: |
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32 | ; All |
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33 | ;-------------------------------------------------------------------- |
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34 | ALIGN JUMP_ALIGN |
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35 | MenuEventHandler: |
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36 | cmp bx, MENUEVENT.RefreshItemFromCX ; Above last supported item? |
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37 | ja SHORT .EventNotHandled |
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38 | jmp [cs:bx+.rgfnEventSpecificHandlers] |
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39 | .EventNotHandled: |
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40 | .IdleProcessing: |
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41 | clc |
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42 | ret |
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43 | |
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44 | ALIGN WORD_ALIGN |
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45 | .rgfnEventSpecificHandlers: |
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46 | dw .InitializeMenuinitFromDSSI |
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47 | dw .ExitMenu |
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48 | dw .IdleProcessing |
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49 | dw .ItemHighlightedFromCX |
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50 | dw .ItemSelectedFromCX |
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51 | dw .KeyStrokeInAX |
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52 | dw .RefreshTitle |
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53 | dw .RefreshInformation |
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54 | dw .RefreshItemFromCX |
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55 | |
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56 | |
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57 | ; Parameters: |
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58 | ; DS:SI: Ptr to MENUINIT struct to initialize |
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59 | ; Returns: |
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60 | ; DS:SI: Ptr to initialized MENUINIT struct |
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61 | ALIGN JUMP_ALIGN |
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62 | .InitializeMenuinitFromDSSI: |
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63 | push ds |
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64 | push cs |
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65 | pop ds |
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66 | mov di, g_MenupageForMainMenu |
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67 | call Menupage_SetActiveMenupageFromDSDI |
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68 | call Menupage_GetVisibleMenuitemsToAXfromDSDI |
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69 | pop ds |
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70 | |
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71 | mov WORD [si+MENUINIT.wItems], ax |
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72 | mov WORD [si+MENUINIT.bTitleLines], TITLE_LINES_IN_MENU |
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73 | mov WORD [si+MENUINIT.bInfoLines], INFO_LINES_IN_MENU |
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74 | mov BYTE [si+MENUINIT.bWidth], MENU_WIDTH |
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75 | CALL_DISPLAY_LIBRARY GetColumnsToALandRowsToAH |
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76 | mov [si+MENUINIT.bHeight], ah |
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77 | call MainMenu_EnterMenuOrModifyItemVisibility |
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78 | stc |
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79 | ret |
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80 | |
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81 | |
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82 | ; Parameters: |
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83 | ; None |
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84 | ; Returns: |
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85 | ; CF: Set to exit menu |
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86 | ; Clear to cancel exit |
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87 | ALIGN JUMP_ALIGN |
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88 | .ExitMenu: |
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89 | call Menupage_GetActiveMenupageToDSDI |
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90 | mov si, [di+MENUPAGE.fnBack] |
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91 | cmp si, ExitToDosFromBackButton |
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92 | je SHORT .QuitProgram |
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93 | call si ; Back to previous menu |
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94 | clc |
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95 | ret |
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96 | |
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97 | ALIGN JUMP_ALIGN |
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98 | .QuitProgram: |
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99 | call Dialogs_DisplayQuitDialog |
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100 | jz SHORT .ExitToDOS |
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101 | clc |
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102 | ret |
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103 | .ExitToDOS: |
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104 | call Buffers_SaveChangesIfFileLoaded |
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105 | CALL_MENU_LIBRARY Close |
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106 | stc |
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107 | ret |
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108 | |
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109 | |
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110 | ; Parameters: |
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111 | ; CX: Index of new highlighted item |
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112 | ; DX: Index of previously highlighted item or NO_ITEM_HIGHLIGHTED |
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113 | ALIGN JUMP_ALIGN |
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114 | .ItemHighlightedFromCX: |
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115 | CALL_MENU_LIBRARY ClearInformationArea |
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116 | CALL_MENU_LIBRARY RefreshInformation |
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117 | stc |
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118 | ret |
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119 | |
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120 | |
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121 | ; Parameters: |
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122 | ; CX: Index of selected item |
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123 | ALIGN JUMP_ALIGN |
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124 | .ItemSelectedFromCX: |
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125 | call Menupage_GetActiveMenupageToDSDI |
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126 | call Menupage_GetCXthVisibleMenuitemToDSSIfromDSDI |
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127 | call [si+MENUITEM.fnActivate] |
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128 | stc |
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129 | ret |
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130 | |
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131 | |
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132 | ; Parameters: |
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133 | ; AL: ASCII character for the key |
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134 | ; AH: Keyboard library scan code for the key |
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135 | ALIGN JUMP_ALIGN |
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136 | .KeyStrokeInAX: |
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137 | cmp ah, KEY_DISPLAY_ITEM_HELP |
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138 | jne SHORT .EventNotHandled |
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139 | |
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140 | ;ALIGN JUMP_ALIGN |
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141 | ;.DisplayHelp: |
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142 | call Menupage_GetActiveMenupageToDSDI |
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143 | CALL_MENU_LIBRARY GetHighlightedItemToAX |
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144 | xchg cx, ax |
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145 | call Menupage_GetCXthVisibleMenuitemToDSSIfromDSDI |
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146 | call Menuitem_DisplayHelpMessageFromDSSI |
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147 | stc |
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148 | ret |
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149 | |
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150 | |
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151 | ; Parameters: |
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152 | ; CX: Index of item to refresh |
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153 | ; Cursor has been positioned to the beginning of item line |
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154 | ALIGN JUMP_ALIGN |
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155 | .RefreshItemFromCX: |
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156 | cmp cx, NO_ITEM_HIGHLIGHTED |
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157 | je SHORT .NothingToRefresh |
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158 | call Menupage_GetActiveMenupageToDSDI |
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159 | call Menupage_GetCXthVisibleMenuitemToDSSIfromDSDI |
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160 | jnc SHORT .NothingToRefresh |
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161 | call MenuitemPrint_NameWithPossibleValueFromDSSI |
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162 | .NothingToRefresh: |
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163 | stc |
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164 | ret |
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165 | |
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166 | |
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167 | ; Parameters: |
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168 | ; CX: Index of highlighted item |
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169 | ; Cursor has been positioned to the beginning of first line |
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170 | ALIGN JUMP_ALIGN |
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171 | .RefreshInformation: |
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172 | cmp cx, NO_ITEM_HIGHLIGHTED |
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173 | je SHORT .NothingToRefresh |
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174 | call Menupage_GetActiveMenupageToDSDI |
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175 | call Menupage_GetCXthVisibleMenuitemToDSSIfromDSDI |
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176 | call MenuitemPrint_PrintQuickInfoFromDSSI |
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177 | stc |
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178 | ret |
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179 | |
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180 | |
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181 | ; Parameters: |
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182 | ; CX: Index of highlighted item |
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183 | ; Cursor has been positioned to the beginning of first line |
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184 | ALIGN JUMP_ALIGN |
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185 | .RefreshTitle: |
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186 | call .PrintProgramName |
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187 | call .PrintLoadStatus |
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188 | call .PrintStatusOfUnsavedChanges |
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189 | stc |
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190 | ret |
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191 | |
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192 | ALIGN JUMP_ALIGN |
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193 | .PrintProgramName: |
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194 | mov si, g_szProgramTitle |
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195 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI |
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196 | ret |
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197 | |
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198 | ALIGN JUMP_ALIGN |
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199 | .PrintLoadStatus: |
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200 | mov ax, [g_cfgVars+CFGVARS.wFlags] |
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201 | test ax, FLG_CFGVARS_FILELOADED |
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202 | jnz SHORT .PrintNameOfLoadedFile |
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203 | test ax, FLG_CFGVARS_ROMLOADED |
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204 | jnz SHORT .PrintLoadedEeprom |
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205 | ; Fall to .PrintNothingLoaded |
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206 | |
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207 | .PrintNothingLoaded: |
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208 | mov si, g_szBiosIsNotLoaded |
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209 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI |
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210 | ret |
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211 | |
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212 | ALIGN JUMP_ALIGN |
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213 | .PrintNameOfLoadedFile: |
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214 | mov si, g_cfgVars+CFGVARS.szOpenedFile |
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215 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI |
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216 | jmp SHORT .PrintTypeOfLoadedBios |
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217 | |
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218 | ALIGN JUMP_ALIGN |
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219 | .PrintLoadedEeprom: |
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220 | mov si, g_szEEPROM |
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221 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI |
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222 | ; Fall to .PrintTypeOfLoadedBios |
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223 | |
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224 | ALIGN JUMP_ALIGN |
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225 | .PrintTypeOfLoadedBios: |
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226 | mov si, g_szSourceAndTypeSeparator |
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227 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI |
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228 | call Buffers_IsXtideUniversalBiosLoaded |
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229 | jne SHORT .PrintUnidentifiedType |
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230 | |
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231 | call Buffers_GetFileBufferToESDI |
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232 | mov bx, es |
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233 | lea si, [di+ROMVARS.szVersion] |
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234 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromBXSI |
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235 | ret |
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236 | |
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237 | ALIGN JUMP_ALIGN |
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238 | .PrintUnidentifiedType: |
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239 | mov si, g_szUnidentified |
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240 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI |
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241 | ret |
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242 | |
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243 | ALIGN JUMP_ALIGN |
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244 | .PrintStatusOfUnsavedChanges: |
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245 | test WORD [g_cfgVars+CFGVARS.wFlags], FLG_CFGVARS_UNSAVED |
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246 | jz SHORT .ReturnSinceNothingToPrint |
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247 | mov si, g_szUnsaved |
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248 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI |
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249 | .ReturnSinceNothingToPrint: |
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250 | ret |
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