1 | ; Project name : Assembly Library
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2 | ; Description : Functions for initializing menu system.
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3 |
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4 | ;
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5 | ; XTIDE Universal BIOS and Associated Tools
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6 | ; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2013 by XTIDE Universal BIOS Team.
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7 | ;
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8 | ; This program is free software; you can redistribute it and/or modify
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9 | ; it under the terms of the GNU General Public License as published by
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10 | ; the Free Software Foundation; either version 2 of the License, or
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11 | ; (at your option) any later version.
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12 | ;
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13 | ; This program is distributed in the hope that it will be useful,
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14 | ; but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 | ; GNU General Public License for more details.
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17 | ; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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18 | ;
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19 |
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20 |
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21 | ; Section containing code
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22 | SECTION .text
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23 |
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24 | ;--------------------------------------------------------------------
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25 | ; MenuInit_DisplayMenuWithHandlerInBXandUserDataInDXAX
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26 | ; Parameters
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27 | ; DX:AX: User specified data
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28 | ; BX: Menu event handler
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29 | ; Returns:
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30 | ; AX: Index of selected item or NO_ITEM_SELECTED
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31 | ; Corrupts registers:
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32 | ; All except segments
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33 | ;--------------------------------------------------------------------
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34 | ALIGN MENU_JUMP_ALIGN
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35 | MenuInit_DisplayMenuWithHandlerInBXandUserDataInDXAX:
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36 | push es
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37 | push ds
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38 | xchg cx, ax ; Backup user data
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39 | CALL_DISPLAY_LIBRARY PushDisplayContext
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40 |
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41 | ; Create MENU struct to stack
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42 | mov ax, MENU_size
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43 | eENTER_STRUCT ax
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44 | xchg ax, cx ; Restore user data to AX
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45 | call Memory_ZeroSSBPwithSizeInCX
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46 |
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47 | ; Display menu
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48 | call MenuInit_EnterMenuWithHandlerInBXandUserDataInDXAX
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49 |
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50 | ; Get menu selection and destroy menu variables from stack
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51 | mov dx, [bp+MENUINIT.wHighlightedItem]
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52 | eLEAVE_STRUCT MENU_size
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53 |
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54 | CALL_DISPLAY_LIBRARY PopDisplayContext
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55 | xchg ax, dx ; Return highlighted item in AX
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56 | pop ds
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57 | pop es
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58 | ret
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59 |
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60 |
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61 | ;--------------------------------------------------------------------
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62 | ; EnterMenuWithHandlerInBXandUserDataInDXAX
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63 | ; Parameters
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64 | ; DX:AX: User specified data
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65 | ; BX: Menu event handler
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66 | ; SS:BP: Ptr to MENU
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67 | ; Returns:
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68 | ; Nothing
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69 | ; Corrupts registers:
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70 | ; All, except SS:BP
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71 | ;--------------------------------------------------------------------
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72 | ALIGN MENU_JUMP_ALIGN
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73 | MenuInit_EnterMenuWithHandlerInBXandUserDataInDXAX:
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74 | mov [bp+MENU.fnEventHandler], bx
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75 | mov [bp+MENU.dwUserData], ax
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76 | mov [bp+MENU.dwUserData+2], dx
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77 |
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78 | mov ax, CURSOR_HIDDEN
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79 | CALL_DISPLAY_LIBRARY SetCursorShapeFromAX
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80 | call MenuEvent_InitializeMenuinit ; User initialization
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81 | %ifndef USE_186
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82 | call MenuInit_RefreshMenuWindow
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83 | jmp MenuLoop_Enter
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84 | %else
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85 | push MenuLoop_Enter
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86 | ; Fall to MenuInit_RefreshMenuWindow
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87 | %endif
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88 |
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89 |
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90 | ;--------------------------------------------------------------------
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91 | ; MenuInit_RefreshMenuWindow
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92 | ; Parameters
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93 | ; SS:BP: Ptr to MENU
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94 | ; Returns:
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95 | ; Nothing
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96 | ; Corrupts registers:
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97 | ; AX, BX, CX, DX, SI, DI
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98 | ;--------------------------------------------------------------------
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99 | ALIGN MENU_JUMP_ALIGN
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100 | MenuInit_RefreshMenuWindow:
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101 | call MenuBorders_RefreshAll ; Draw borders
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102 | call MenuText_RefreshTitle ; Draw title strings
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103 | call MenuText_RefreshAllItems ; Draw item strings
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104 | jmp MenuText_RefreshInformation ; Draw information strings
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105 |
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106 |
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107 | ;--------------------------------------------------------------------
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108 | ; MenuInit_CloseMenuIfExitEventAllows
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109 | ; Parameters
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110 | ; SS:BP: Ptr to MENU
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111 | ; Returns:
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112 | ; Nothing
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113 | ; Corrupts registers:
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114 | ; AX, BX, DX
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115 | ;--------------------------------------------------------------------
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116 | %ifndef EXCLUDE_FROM_XUB
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117 | ALIGN MENU_JUMP_ALIGN
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118 | MenuInit_CloseMenuIfExitEventAllows:
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119 | call MenuEvent_ExitMenu
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120 | jc SHORT MenuInit_CloseMenuWindow
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121 | ret
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122 | %endif
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123 |
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124 |
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125 | ;--------------------------------------------------------------------
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126 | ; MenuInit_CloseMenuWindow
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127 | ; Parameters
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128 | ; SS:BP: Ptr to MENU
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129 | ; Returns:
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130 | ; Nothing
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131 | ; Corrupts registers:
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132 | ; Nothing
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133 | ;--------------------------------------------------------------------
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134 | ALIGN MENU_JUMP_ALIGN
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135 | MenuInit_CloseMenuWindow:
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136 | or BYTE [bp+MENU.bFlags], FLG_MENU_EXIT
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137 | ret
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138 |
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139 |
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140 | %ifndef EXCLUDE_FROM_XUB
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141 | ;--------------------------------------------------------------------
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142 | ; MenuInit_HighlightItemFromAX
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143 | ; Parameters
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144 | ; AX: Item to highlight
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145 | ; SS:BP: Ptr to MENU
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146 | ; Returns:
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147 | ; Nothing
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148 | ; Corrupts registers:
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149 | ; AX, BX, CX, DX, SI, DI
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150 | ;--------------------------------------------------------------------
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151 | ALIGN MENU_JUMP_ALIGN
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152 | MenuInit_HighlightItemFromAX:
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153 | sub ax, [bp+MENUINIT.wHighlightedItem]
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154 | jmp MenuScrollbars_MoveHighlightedItemByAX
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155 |
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156 |
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157 | ;--------------------------------------------------------------------
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158 | ; MenuInit_GetHighlightedItemToAX
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159 | ; Parameters
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160 | ; SS:BP: Ptr to MENU
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161 | ; Returns:
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162 | ; AX: Index of highlighted item or NO_ITEM_HIGHLIGHTED
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163 | ; Corrupts registers:
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164 | ; Nothing
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165 | ;--------------------------------------------------------------------
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166 | ALIGN MENU_JUMP_ALIGN
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167 | MenuInit_GetHighlightedItemToAX:
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168 | mov ax, [bp+MENUINIT.wHighlightedItem]
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169 | ret
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170 | %endif ; EXCLUDE_FROM_XUB
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171 |
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172 |
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173 | ;--------------------------------------------------------------------
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174 | ; MenuInit_SetTitleHeightFromAL
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175 | ; MenuInit_SetInformationHeightFromAL
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176 | ; MenuInit_SetTotalItemsFromAX
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177 | ; Parameters
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178 | ; AX/AL: Parameter
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179 | ; SS:BP: Ptr to MENU
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180 | ; Returns:
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181 | ; Nothing
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182 | ; Corrupts registers:
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183 | ; Nothing
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184 | ;--------------------------------------------------------------------
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185 | %ifndef EXCLUDE_FROM_XUB
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186 | %ifndef EXCLUDE_FROM_XTIDECFG
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187 | ALIGN MENU_JUMP_ALIGN
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188 | MenuInit_SetTitleHeightFromAL:
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189 | mov [bp+MENUINIT.bTitleLines], al
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190 | ret
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191 |
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192 | ALIGN MENU_JUMP_ALIGN
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193 | MenuInit_SetInformationHeightFromAL:
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194 | mov [bp+MENUINIT.bInfoLines], al
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195 | ret
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196 | %endif ; EXCLUDE_FROM_XTIDECFG
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197 |
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198 | ALIGN MENU_JUMP_ALIGN
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199 | MenuInit_SetTotalItemsFromAX:
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200 | mov [bp+MENUINIT.wItems], ax
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201 | ret
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202 | %endif ; EXCLUDE_FROM_XUB
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203 |
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204 |
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205 | ;--------------------------------------------------------------------
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206 | ; MenuInit_SetUserDataFromDSSI
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207 | ; MenuInit_GetUserDataToDSSI
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208 | ; Parameters
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209 | ; DS:SI: User data (MenuInit_SetUserDataFromDSSI)
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210 | ; SS:BP: Ptr to MENU
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211 | ; Returns:
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212 | ; DS:SI: User data (MenuInit_GetUserDataToDSSI)
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213 | ; Corrupts registers:
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214 | ; Nothing
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215 | ;--------------------------------------------------------------------
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216 | %ifndef EXCLUDE_FROM_XUB
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217 | %ifndef EXCLUDE_FROM_XTIDECFG
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218 | ALIGN MENU_JUMP_ALIGN
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219 | MenuInit_SetUserDataFromDSSI:
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220 | mov [bp+MENU.dwUserData], si
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221 | mov [bp+MENU.dwUserData+2], ds
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222 | ret
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223 | %endif ; EXCLUDE_FROM_XTIDECFG
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224 |
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225 | ALIGN MENU_JUMP_ALIGN
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226 | MenuInit_GetUserDataToDSSI:
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227 | lds si, [bp+MENU.dwUserData]
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228 | ret
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229 | %endif ; EXCLUDE_FROM_XUB
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