[41] | 1 | ; File name : MenuInit.asm |
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| 2 | ; Project name : Assembly Library |
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| 3 | ; Created date : 13.7.2010 |
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[60] | 4 | ; Last update : 22.11.2010 |
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[41] | 5 | ; Author : Tomi Tilli |
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| 6 | ; Description : Functions for initializing menu system. |
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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 | ; MenuInit_DisplayMenuWithHandlerInBXandUserDataInDXAX |
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| 13 | ; Parameters |
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| 14 | ; DX:AX: User specified data |
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| 15 | ; BX: Menu event handler |
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| 16 | ; Returns: |
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| 17 | ; AX: Index of selected item or NO_ITEM_SELECTED |
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| 18 | ; Corrupts registers: |
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| 19 | ; All except segments |
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| 20 | ;-------------------------------------------------------------------- |
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| 21 | ALIGN JUMP_ALIGN |
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| 22 | MenuInit_DisplayMenuWithHandlerInBXandUserDataInDXAX: |
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| 23 | push es |
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| 24 | push ds |
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| 25 | LOAD_BDA_SEGMENT_TO ds, cx |
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| 26 | push WORD [BDA.wVidCurShape] |
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| 27 | eENTER_STRUCT MENU_size |
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| 28 | |
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[46] | 29 | mov cx, MENU_size |
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| 30 | call Memory_ZeroSSBPwithSizeInCX |
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[41] | 31 | call MenuInit_EnterMenuWithHandlerInBXandUserDataInDXAX |
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[52] | 32 | mov ax, [bp+MENUINIT.wHighlightedItem] |
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[41] | 33 | |
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| 34 | eLEAVE_STRUCT MENU_size |
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| 35 | pop ax |
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| 36 | CALL_DISPLAY_LIBRARY SetCursorShapeFromAX |
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| 37 | pop ds |
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| 38 | pop es |
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| 39 | ret |
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| 40 | |
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| 41 | |
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| 42 | ;-------------------------------------------------------------------- |
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| 43 | ; MenuInit_EnterMenuWithHandlerInBXandUserDataInDXAX |
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| 44 | ; Parameters |
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| 45 | ; DX:AX: User specified data |
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| 46 | ; BX: Menu event handler |
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| 47 | ; SS:BP: Ptr to MENU |
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| 48 | ; Returns: |
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| 49 | ; Nothing |
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| 50 | ; Corrupts registers: |
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| 51 | ; All, except SS:BP |
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| 52 | ;-------------------------------------------------------------------- |
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| 53 | ALIGN JUMP_ALIGN |
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| 54 | MenuInit_EnterMenuWithHandlerInBXandUserDataInDXAX: |
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| 55 | mov [bp+MENU.fnEventHandler], bx |
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| 56 | mov [bp+MENU.dwUserData], ax |
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| 57 | mov [bp+MENU.dwUserData+2], dx |
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| 58 | |
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| 59 | mov ax, CURSOR_HIDDEN |
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| 60 | CALL_DISPLAY_LIBRARY SetCursorShapeFromAX |
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| 61 | call MenuEvent_InitializeMenuinit ; User initialization |
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| 62 | call MenuInit_RefreshMenuWindow |
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| 63 | jmp MenuLoop_Enter |
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| 64 | |
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| 65 | |
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| 66 | ;-------------------------------------------------------------------- |
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| 67 | ; MenuInit_RefreshMenuWindow |
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| 68 | ; Parameters |
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| 69 | ; SS:BP: Ptr to MENU |
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| 70 | ; Returns: |
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| 71 | ; Nothing |
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| 72 | ; Corrupts registers: |
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| 73 | ; AX, BX, CX, DX, SI, DI |
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| 74 | ;-------------------------------------------------------------------- |
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| 75 | ALIGN JUMP_ALIGN |
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| 76 | MenuInit_RefreshMenuWindow: |
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| 77 | call MenuBorders_RefreshAll ; Draw borders |
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| 78 | call MenuText_RefreshTitle ; Draw title strings |
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| 79 | call MenuText_RefreshAllItems ; Draw item strings |
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| 80 | jmp MenuText_RefreshInformation ; Draw information strings |
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| 81 | |
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| 82 | |
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| 83 | ;-------------------------------------------------------------------- |
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| 84 | ; MenuInit_CloseMenuWindow |
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| 85 | ; Parameters |
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| 86 | ; SS:BP: Ptr to MENU |
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| 87 | ; Returns: |
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| 88 | ; Nothing |
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| 89 | ; Corrupts registers: |
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| 90 | ; Nothing |
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| 91 | ;-------------------------------------------------------------------- |
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| 92 | ALIGN JUMP_ALIGN |
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| 93 | MenuInit_CloseMenuWindow: |
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| 94 | or BYTE [bp+MENU.bFlags], FLG_MENU_EXIT |
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| 95 | ret |
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| 96 | |
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| 97 | |
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| 98 | ;-------------------------------------------------------------------- |
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| 99 | ; MenuInit_HighlightItemFromAX |
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| 100 | ; Parameters |
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| 101 | ; AX: Item to highlight |
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| 102 | ; SS:BP: Ptr to MENU |
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| 103 | ; Returns: |
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| 104 | ; Nothing |
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| 105 | ; Corrupts registers: |
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| 106 | ; AX, BX, CX, DX, SI, DI |
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| 107 | ;-------------------------------------------------------------------- |
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| 108 | ALIGN JUMP_ALIGN |
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| 109 | MenuInit_HighlightItemFromAX: |
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[52] | 110 | sub ax, [bp+MENUINIT.wHighlightedItem] |
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[41] | 111 | jmp MenuScrollbars_MoveHighlightedItemByAX |
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| 112 | |
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[48] | 113 | ;-------------------------------------------------------------------- |
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| 114 | ; MenuInit_GetHighlightedItemToAX |
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| 115 | ; Parameters |
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| 116 | ; SS:BP: Ptr to MENU |
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| 117 | ; Returns: |
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| 118 | ; AX: Index of highlighted item or NO_ITEM_HIGHLIGHTED |
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| 119 | ; Corrupts registers: |
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| 120 | ; Nothing |
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| 121 | ;-------------------------------------------------------------------- |
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| 122 | ALIGN JUMP_ALIGN |
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| 123 | MenuInit_GetHighlightedItemToAX: |
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[52] | 124 | mov ax, [bp+MENUINIT.wHighlightedItem] |
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[48] | 125 | ret |
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[41] | 126 | |
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[48] | 127 | |
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[41] | 128 | ;-------------------------------------------------------------------- |
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| 129 | ; MenuInit_SetTitleHeightFromAL |
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| 130 | ; MenuInit_SetInformationHeightFromAL |
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| 131 | ; MenuInit_SetTotalItemsFromAX |
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| 132 | ; Parameters |
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| 133 | ; AX/AL: Parameter |
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| 134 | ; SS:BP: Ptr to MENU |
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| 135 | ; Returns: |
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| 136 | ; Nothing |
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| 137 | ; Corrupts registers: |
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| 138 | ; Nothing |
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| 139 | ;-------------------------------------------------------------------- |
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| 140 | ALIGN JUMP_ALIGN |
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| 141 | MenuInit_SetTitleHeightFromAL: |
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| 142 | mov [bp+MENUINIT.bTitleLines], al |
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| 143 | ret |
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| 144 | |
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| 145 | ALIGN JUMP_ALIGN |
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| 146 | MenuInit_SetInformationHeightFromAL: |
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| 147 | mov [bp+MENUINIT.bInfoLines], al |
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| 148 | ret |
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| 149 | |
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| 150 | ALIGN JUMP_ALIGN |
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| 151 | MenuInit_SetTotalItemsFromAX: |
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| 152 | mov [bp+MENUINIT.wItems], ax |
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| 153 | ret |
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| 154 | |
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| 155 | |
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| 156 | ;-------------------------------------------------------------------- |
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| 157 | ; MenuInit_SetUserDataFromDSSI |
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| 158 | ; MenuInit_GetUserDataToDSSI |
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| 159 | ; Parameters |
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| 160 | ; DS:SI: User data (MenuInit_SetUserDataFromDSSI) |
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| 161 | ; SS:BP: Ptr to MENU |
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| 162 | ; Returns: |
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| 163 | ; DS:SI: User data (MenuInit_GetUserDataToDSSI) |
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| 164 | ; Corrupts registers: |
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| 165 | ; Nothing |
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| 166 | ;-------------------------------------------------------------------- |
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| 167 | ALIGN JUMP_ALIGN |
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| 168 | MenuInit_SetUserDataFromDSSI: |
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| 169 | mov [bp+MENU.dwUserData], si |
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| 170 | mov [bp+MENU.dwUserData+2], ds |
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| 171 | ret |
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| 172 | |
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| 173 | ALIGN JUMP_ALIGN |
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| 174 | MenuInit_GetUserDataToDSSI: |
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| 175 | lds si, [bp+MENU.dwUserData] |
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| 176 | ret |
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