[41] | 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 | ; 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 | ; MenuInit_DisplayMenuWithHandlerInBXandUserDataInDXAX |
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| 9 | ; Parameters |
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| 10 | ; DX:AX: User specified data |
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| 11 | ; BX: Menu event handler |
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| 12 | ; Returns: |
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| 13 | ; AX: Index of selected item or NO_ITEM_SELECTED |
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| 14 | ; Corrupts registers: |
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| 15 | ; All except segments |
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| 16 | ;-------------------------------------------------------------------- |
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| 17 | ALIGN JUMP_ALIGN |
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| 18 | MenuInit_DisplayMenuWithHandlerInBXandUserDataInDXAX: |
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| 19 | push es |
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| 20 | push ds |
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[116] | 21 | LOAD_BDA_SEGMENT_TO ds, cx, ! |
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[41] | 22 | push WORD [BDA.wVidCurShape] |
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[104] | 23 | mov cl, MENU_size |
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| 24 | eENTER_STRUCT cx |
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[41] | 25 | |
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[46] | 26 | call Memory_ZeroSSBPwithSizeInCX |
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[41] | 27 | call MenuInit_EnterMenuWithHandlerInBXandUserDataInDXAX |
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[129] | 28 | mov dx, [bp+MENUINIT.wHighlightedItem] |
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[41] | 29 | |
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| 30 | eLEAVE_STRUCT MENU_size |
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| 31 | pop ax |
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| 32 | CALL_DISPLAY_LIBRARY SetCursorShapeFromAX |
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[129] | 33 | xchg ax, dx ; Return highlighted item in AX |
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[41] | 34 | pop ds |
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| 35 | pop es |
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| 36 | ret |
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| 37 | |
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| 38 | |
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| 39 | ;-------------------------------------------------------------------- |
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| 40 | ; MenuInit_EnterMenuWithHandlerInBXandUserDataInDXAX |
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| 41 | ; Parameters |
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| 42 | ; DX:AX: User specified data |
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| 43 | ; BX: Menu event handler |
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| 44 | ; SS:BP: Ptr to MENU |
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| 45 | ; Returns: |
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| 46 | ; Nothing |
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| 47 | ; Corrupts registers: |
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| 48 | ; All, except SS:BP |
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| 49 | ;-------------------------------------------------------------------- |
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| 50 | ALIGN JUMP_ALIGN |
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| 51 | MenuInit_EnterMenuWithHandlerInBXandUserDataInDXAX: |
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| 52 | mov [bp+MENU.fnEventHandler], bx |
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| 53 | mov [bp+MENU.dwUserData], ax |
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| 54 | mov [bp+MENU.dwUserData+2], dx |
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| 55 | |
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| 56 | mov ax, CURSOR_HIDDEN |
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| 57 | CALL_DISPLAY_LIBRARY SetCursorShapeFromAX |
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[104] | 58 | call MenuEvent_InitializeMenuinit ; User initialization |
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[41] | 59 | call MenuInit_RefreshMenuWindow |
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| 60 | jmp MenuLoop_Enter |
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| 61 | |
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| 62 | |
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| 63 | ;-------------------------------------------------------------------- |
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| 64 | ; MenuInit_RefreshMenuWindow |
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| 65 | ; Parameters |
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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 | ; AX, BX, CX, DX, SI, DI |
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| 71 | ;-------------------------------------------------------------------- |
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| 72 | ALIGN JUMP_ALIGN |
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| 73 | MenuInit_RefreshMenuWindow: |
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| 74 | call MenuBorders_RefreshAll ; Draw borders |
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| 75 | call MenuText_RefreshTitle ; Draw title strings |
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| 76 | call MenuText_RefreshAllItems ; Draw item strings |
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[116] | 77 | jmp MenuText_RefreshInformation ; Draw information strings |
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[41] | 78 | |
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| 79 | |
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| 80 | ;-------------------------------------------------------------------- |
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| 81 | ; MenuInit_CloseMenuWindow |
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| 82 | ; Parameters |
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| 83 | ; SS:BP: Ptr to MENU |
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| 84 | ; Returns: |
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| 85 | ; Nothing |
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| 86 | ; Corrupts registers: |
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| 87 | ; Nothing |
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| 88 | ;-------------------------------------------------------------------- |
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| 89 | ALIGN JUMP_ALIGN |
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| 90 | MenuInit_CloseMenuWindow: |
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| 91 | or BYTE [bp+MENU.bFlags], FLG_MENU_EXIT |
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| 92 | ret |
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| 93 | |
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| 94 | |
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| 95 | ;-------------------------------------------------------------------- |
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| 96 | ; MenuInit_HighlightItemFromAX |
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| 97 | ; Parameters |
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| 98 | ; AX: Item to highlight |
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| 99 | ; SS:BP: Ptr to MENU |
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| 100 | ; Returns: |
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| 101 | ; Nothing |
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| 102 | ; Corrupts registers: |
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| 103 | ; AX, BX, CX, DX, SI, DI |
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| 104 | ;-------------------------------------------------------------------- |
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| 105 | ALIGN JUMP_ALIGN |
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| 106 | MenuInit_HighlightItemFromAX: |
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[52] | 107 | sub ax, [bp+MENUINIT.wHighlightedItem] |
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[41] | 108 | jmp MenuScrollbars_MoveHighlightedItemByAX |
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| 109 | |
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[48] | 110 | ;-------------------------------------------------------------------- |
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| 111 | ; MenuInit_GetHighlightedItemToAX |
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| 112 | ; Parameters |
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| 113 | ; SS:BP: Ptr to MENU |
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| 114 | ; Returns: |
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| 115 | ; AX: Index of highlighted item or NO_ITEM_HIGHLIGHTED |
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| 116 | ; Corrupts registers: |
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| 117 | ; Nothing |
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| 118 | ;-------------------------------------------------------------------- |
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| 119 | ALIGN JUMP_ALIGN |
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| 120 | MenuInit_GetHighlightedItemToAX: |
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[52] | 121 | mov ax, [bp+MENUINIT.wHighlightedItem] |
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[48] | 122 | ret |
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[41] | 123 | |
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[48] | 124 | |
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[41] | 125 | ;-------------------------------------------------------------------- |
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| 126 | ; MenuInit_SetTitleHeightFromAL |
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| 127 | ; MenuInit_SetInformationHeightFromAL |
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| 128 | ; MenuInit_SetTotalItemsFromAX |
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| 129 | ; Parameters |
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| 130 | ; AX/AL: Parameter |
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| 131 | ; SS:BP: Ptr to MENU |
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| 132 | ; Returns: |
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| 133 | ; Nothing |
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| 134 | ; Corrupts registers: |
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| 135 | ; Nothing |
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| 136 | ;-------------------------------------------------------------------- |
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| 137 | ALIGN JUMP_ALIGN |
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| 138 | MenuInit_SetTitleHeightFromAL: |
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| 139 | mov [bp+MENUINIT.bTitleLines], al |
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| 140 | ret |
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| 141 | |
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| 142 | ALIGN JUMP_ALIGN |
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| 143 | MenuInit_SetInformationHeightFromAL: |
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| 144 | mov [bp+MENUINIT.bInfoLines], al |
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| 145 | ret |
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| 146 | |
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| 147 | ALIGN JUMP_ALIGN |
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| 148 | MenuInit_SetTotalItemsFromAX: |
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| 149 | mov [bp+MENUINIT.wItems], ax |
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| 150 | ret |
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| 151 | |
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| 152 | |
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| 153 | ;-------------------------------------------------------------------- |
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| 154 | ; MenuInit_SetUserDataFromDSSI |
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| 155 | ; MenuInit_GetUserDataToDSSI |
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| 156 | ; Parameters |
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| 157 | ; DS:SI: User data (MenuInit_SetUserDataFromDSSI) |
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| 158 | ; SS:BP: Ptr to MENU |
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| 159 | ; Returns: |
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| 160 | ; DS:SI: User data (MenuInit_GetUserDataToDSSI) |
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| 161 | ; Corrupts registers: |
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| 162 | ; Nothing |
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| 163 | ;-------------------------------------------------------------------- |
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| 164 | ALIGN JUMP_ALIGN |
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| 165 | MenuInit_SetUserDataFromDSSI: |
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| 166 | mov [bp+MENU.dwUserData], si |
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| 167 | mov [bp+MENU.dwUserData+2], ds |
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| 168 | ret |
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| 169 | |
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| 170 | ALIGN JUMP_ALIGN |
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| 171 | MenuInit_GetUserDataToDSSI: |
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| 172 | lds si, [bp+MENU.dwUserData] |
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| 173 | ret |
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