[41] | 1 | ; File name : DialogFile.asm |
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| 2 | ; Project name : Assembly Library |
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| 3 | ; Created date : 6.9.2010 |
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[46] | 4 | ; Last update : 4.10.2010 |
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[41] | 5 | ; Author : Tomi Tilli |
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| 6 | ; Description : Displays file dialog. |
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| 7 | |
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| 8 | |
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| 9 | CURRENTDIR_CHARACTERS EQU 002Eh |
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| 10 | UPDIR_CHARACTERS EQU 2E2Eh |
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| 11 | |
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| 12 | ; Section containing code |
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| 13 | SECTION .text |
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| 14 | |
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| 15 | ;-------------------------------------------------------------------- |
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| 16 | ; DialogFile_GetFileNameWithIoInDSSI |
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| 17 | ; Parameters: |
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| 18 | ; DS:SI: Ptr to FILE_DIALOG_IO |
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| 19 | ; SS:BP: Ptr to parent MENU |
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| 20 | ; Returns: |
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| 21 | ; Nothing |
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| 22 | ; Corrupts registers: |
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| 23 | ; AX, BX, CX, DX, SI, DI |
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| 24 | ;-------------------------------------------------------------------- |
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| 25 | ALIGN JUMP_ALIGN |
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| 26 | DialogFile_GetFileNameWithIoInDSSI: |
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| 27 | mov bx, FileEventHandler |
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| 28 | mov BYTE [si+FILE_DIALOG_IO.bUserCancellation], TRUE |
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| 29 | jmp Dialog_DisplayWithDialogInputInDSSIandHandlerInBX |
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| 30 | |
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| 31 | |
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| 32 | ;-------------------------------------------------------------------- |
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| 33 | ; FileEventHandler |
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| 34 | ; Common parameters for all events: |
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| 35 | ; BX: Menu event (anything from MENUEVENT struct) |
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| 36 | ; SS:BP: Ptr to DIALOG |
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| 37 | ; Common return values for all events: |
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| 38 | ; CF: Set if event processed |
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| 39 | ; Cleared if event not processed |
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| 40 | ; Corrupts registers: |
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| 41 | ; All |
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| 42 | ;-------------------------------------------------------------------- |
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| 43 | ALIGN JUMP_ALIGN |
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| 44 | FileEventHandler: |
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| 45 | jmp [cs:bx+.rgfnEventHandlers] |
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| 46 | |
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| 47 | |
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| 48 | ALIGN JUMP_ALIGN |
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| 49 | .ItemSelectedFromCX: |
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| 50 | call LoadItemStringBufferToESDI |
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| 51 | call LineSplitter_GetOffsetToSIforLineCXfromStringInESDI |
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| 52 | push es |
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| 53 | pop ds |
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| 54 | jmp ParseSelectionFromItemLineInDSSI |
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| 55 | |
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| 56 | |
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| 57 | ALIGN JUMP_ALIGN |
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| 58 | .RefreshInformation: |
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| 59 | call GetInfoLinesToCXandDialogFlagsToAX |
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| 60 | mov si, [cs:.rgszInfoStringLookup] |
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| 61 | xor bx, bx |
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| 62 | xchg dx, ax |
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| 63 | ALIGN JUMP_ALIGN |
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| 64 | .InfoLineLoop: |
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| 65 | shr dl, 1 |
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| 66 | jnc SHORT .CheckNextFlag |
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| 67 | mov si, [cs:bx+.rgszInfoStringLookup] |
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| 68 | push bx |
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| 69 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI |
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| 70 | pop bx |
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| 71 | ALIGN JUMP_ALIGN |
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| 72 | .CheckNextFlag: |
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| 73 | inc bx |
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| 74 | inc bx |
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| 75 | loop .InfoLineLoop |
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| 76 | stc ; Event processed |
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| 77 | ret |
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| 78 | |
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| 79 | |
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| 80 | ALIGN WORD_ALIGN |
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| 81 | .rgszInfoStringLookup: |
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| 82 | dw g_szChangeDrive |
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| 83 | dw g_szSelectDirectory |
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| 84 | dw g_szCreateNew |
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| 85 | |
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| 86 | .rgfnEventHandlers: |
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| 87 | istruc MENUEVENT |
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| 88 | at MENUEVENT.InitializeMenuinitFromDSSI, dw InitializeMenuinitFromSSBP |
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| 89 | at MENUEVENT.ExitMenu, dw Dialog_EventNotHandled |
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| 90 | at MENUEVENT.IdleProcessing, dw Dialog_EventNotHandled |
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| 91 | at MENUEVENT.ItemHighlightedFromCX, dw Dialog_EventNotHandled |
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| 92 | at MENUEVENT.ItemSelectedFromCX, dw .ItemSelectedFromCX |
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| 93 | at MENUEVENT.KeyStrokeInAX, dw HandleFunctionKeyFromAH |
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| 94 | at MENUEVENT.RefreshTitle, dw Dialog_EventRefreshTitle |
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| 95 | at MENUEVENT.RefreshInformation, dw .RefreshInformation |
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| 96 | at MENUEVENT.RefreshItemFromCX, dw Dialog_EventRefreshItemFromCX |
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| 97 | iend |
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| 98 | |
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| 99 | |
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| 100 | ;-------------------------------------------------------------------- |
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| 101 | ; InitializeMenuinitFromSSBP |
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| 102 | ; Parameters: |
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| 103 | ; DS:SI: Ptr to MENUINIT to initialize (also points to DIALOG) |
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| 104 | ; SS:BP: Ptr to DIALOG |
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| 105 | ; Returns: |
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| 106 | ; Nothing |
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| 107 | ; Corrupts registers: |
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| 108 | ; All, except BP |
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| 109 | ;-------------------------------------------------------------------- |
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| 110 | ALIGN JUMP_ALIGN |
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| 111 | InitializeMenuinitFromSSBP: |
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| 112 | call LoadItemStringBufferToESDI |
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| 113 | call CreateStringFromCurrentDirectoryContentsToESDI |
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[46] | 114 | call LoadItemStringBufferToESDI |
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| 115 | call SortDirectoryContentsStringFromESDIwithCountInCX |
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[41] | 116 | push ss |
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| 117 | pop ds |
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| 118 | mov si, bp |
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| 119 | call Dialog_EventInitializeMenuinitFromDSSI |
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| 120 | call GetInfoLinesToCXandDialogFlagsToAX |
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| 121 | mov [bp+MENUINIT.bInfoLines], cl |
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| 122 | CALL_DISPLAY_LIBRARY GetColumnsToALandRowsToAH |
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| 123 | mov [bp+MENUINIT.bHeight], ah ; Always max height |
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[46] | 124 | xor ax, ax |
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| 125 | mov [bp+MENU.wHighlightedItem], ax |
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| 126 | mov [bp+MENU.wFirstVisibleItem], ax |
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[41] | 127 | ret |
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| 128 | |
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| 129 | |
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| 130 | ;-------------------------------------------------------------------- |
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| 131 | ; LoadItemStringBufferToESDI |
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| 132 | ; Parameters: |
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| 133 | ; SS:BP: Ptr to DIALOG |
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| 134 | ; Returns: |
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| 135 | ; ES:DI: Ptr to item string buffer |
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| 136 | ; Corrupts registers: |
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| 137 | ; Nothing |
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| 138 | ;-------------------------------------------------------------------- |
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| 139 | ALIGN JUMP_ALIGN |
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| 140 | LoadItemStringBufferToESDI: |
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| 141 | les di, [bp+DIALOG.fpDialogIO] |
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| 142 | les di, [es:di+FILE_DIALOG_IO.fszItemBuffer] |
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| 143 | ret |
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| 144 | |
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| 145 | |
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| 146 | ;-------------------------------------------------------------------- |
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| 147 | ; CreateStringFromCurrentDirectoryContentsToESDI |
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| 148 | ; Parameters: |
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| 149 | ; ES:DI: Buffer where to create item string |
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| 150 | ; SS:BP: Ptr to DIALOG |
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| 151 | ; Returns: |
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[46] | 152 | ; CX: Number of files or directories found |
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[41] | 153 | ; Corrupts registers: |
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[46] | 154 | ; AX, DX, SI, DI, DS, ES |
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[41] | 155 | ;-------------------------------------------------------------------- |
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| 156 | ALIGN JUMP_ALIGN |
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| 157 | CreateStringFromCurrentDirectoryContentsToESDI: |
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| 158 | lds si, [bp+DIALOG.fpDialogIO] |
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| 159 | eMOVZX cx, BYTE [si+FILE_DIALOG_IO.bFileAttributes] |
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| 160 | lds si, [si+FILE_DIALOG_IO.fpFileFilterString] |
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| 161 | call Directory_UpdateDTAForFirstMatchForDSSIwithAttributesInCX |
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| 162 | rcr cx, 1 ; Store CF |
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| 163 | call .ClearDLifInRootDirectory |
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| 164 | call Directory_GetDiskTransferAreaAddressToDSSI |
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| 165 | rcl cx, 1 ; Restore CF |
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[46] | 166 | xor cx, cx ; Clear file/directory count |
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[41] | 167 | ; Fall to .FindMatchingFilesAndWriteThemToESDI |
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| 168 | |
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| 169 | ;-------------------------------------------------------------------- |
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| 170 | ; .FindMatchingFilesAndWriteThemToESDI |
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| 171 | ; Parameters: |
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[46] | 172 | ; CX: Initial directory count |
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[41] | 173 | ; DL: Zero if root directory selected |
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| 174 | ; DS:SI: Ptr to DTA with first matching file |
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| 175 | ; ES:DI: Ptr to destination string buffer |
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| 176 | ; Returns: |
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[46] | 177 | ; CX: Incremented by number of files/directories found |
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[41] | 178 | ; Corrupts registers: |
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[46] | 179 | ; AX, DX, DI |
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[41] | 180 | ;-------------------------------------------------------------------- |
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| 181 | ;ALIGN JUMP_ALIGN |
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| 182 | .FindMatchingFilesAndWriteThemToESDI: |
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[46] | 183 | jc SHORT TerminateESDIwithNull |
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[41] | 184 | call AppendFileToBufferInESDIfromDtaInDSSI |
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| 185 | call Directory_UpdateDTAForNextMatchUsingPreviousParameters |
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| 186 | jmp SHORT .FindMatchingFilesAndWriteThemToESDI |
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| 187 | |
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| 188 | ;-------------------------------------------------------------------- |
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| 189 | ; .ClearDLifInRootDirectory |
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| 190 | ; Parameters: |
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| 191 | ; SS:BP: Ptr to DIALOG |
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| 192 | ; ES:DI: Ptr to destination string buffer |
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| 193 | ; Returns: |
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| 194 | ; DL: Cleared if in root directory |
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| 195 | ; Set if in any other directory |
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| 196 | ; Corrupts registers: |
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| 197 | ; AX, SI, DS |
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| 198 | ;-------------------------------------------------------------------- |
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| 199 | ALIGN JUMP_ALIGN |
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| 200 | .ClearDLifInRootDirectory: |
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| 201 | push es |
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| 202 | pop ds |
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| 203 | mov si, di |
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| 204 | call Directory_WriteCurrentPathToDSSI |
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| 205 | mov dl, [si] |
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| 206 | ret |
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| 207 | |
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[46] | 208 | |
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[41] | 209 | ;-------------------------------------------------------------------- |
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[46] | 210 | ; TerminateESDIwithNull |
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[41] | 211 | ; Parameters: |
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| 212 | ; ES:DI: Ptr to destination string buffer |
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| 213 | ; Returns: |
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| 214 | ; Nothing |
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| 215 | ; Corrupts registers: |
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| 216 | ; AX |
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| 217 | ;-------------------------------------------------------------------- |
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| 218 | ALIGN JUMP_ALIGN |
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[46] | 219 | TerminateESDIwithNull: |
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[41] | 220 | xor ax, ax |
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| 221 | stosb |
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| 222 | ret |
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| 223 | |
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[46] | 224 | |
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[41] | 225 | ;-------------------------------------------------------------------- |
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| 226 | ; AppendFileToBufferInESDIfromDtaInDSSI |
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| 227 | ; Parameters: |
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[46] | 228 | ; CX: Files/directores found |
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[41] | 229 | ; DL: Zero if root directory selected |
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| 230 | ; DS:SI: Ptr to DTA containing file information |
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| 231 | ; ES:DI: Ptr to destination string buffer |
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| 232 | ; Returns: |
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[46] | 233 | ; CX: Incremented by number of files/directories found |
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[41] | 234 | ; DI: Updated for next file |
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| 235 | ; Corrupts registers: |
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[46] | 236 | ; AX, BX, DX |
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[41] | 237 | ;-------------------------------------------------------------------- |
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| 238 | ALIGN JUMP_ALIGN |
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| 239 | AppendFileToBufferInESDIfromDtaInDSSI: |
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| 240 | call .FilterCurrentDirectory ; We never want "." |
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| 241 | call .FilterUpDirectoryWhenInRoot ; No ".." when in root directory |
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[46] | 242 | inc cx ; Nothing filtered so increment files/directories |
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[41] | 243 | ; Fall to .PrepareBufferFormattingAndFormatFromDTAinDSSI |
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| 244 | |
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| 245 | ;-------------------------------------------------------------------- |
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| 246 | ; .PrepareBufferFormattingAndFormatFromDTAinDSSI |
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| 247 | ; Parameters: |
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| 248 | ; DS:SI: Ptr to DTA containing file information |
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| 249 | ; ES:DI: Ptr to destination string buffer |
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| 250 | ; Returns: |
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| 251 | ; DI: Updated for next file |
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| 252 | ; Corrupts registers: |
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[46] | 253 | ; AX, BX, DX |
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[41] | 254 | ;-------------------------------------------------------------------- |
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| 255 | ;ALIGN JUMP_ALIGN |
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| 256 | .PrepareBufferFormattingAndFormatFromDTAinDSSI: |
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| 257 | push bp |
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| 258 | push si |
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[46] | 259 | push cx |
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| 260 | mov bx, di |
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[41] | 261 | CALL_DISPLAY_LIBRARY PushDisplayContext |
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| 262 | |
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[46] | 263 | xchg ax, bx |
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[41] | 264 | mov bx, es |
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| 265 | CALL_DISPLAY_LIBRARY SetCharacterPointerFromBXAX |
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[45] | 266 | mov bl, ATTRIBUTES_NOT_USED |
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[41] | 267 | mov ax, BUFFER_OUTPUT_WITH_CHAR_ONLY |
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[45] | 268 | CALL_DISPLAY_LIBRARY SetCharOutputFunctionFromAXwithAttribFlagInBL |
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[41] | 269 | |
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| 270 | call .FormatFileOrDirectoryToBufferFromDTAinDSSI |
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| 271 | |
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| 272 | CALL_DISPLAY_LIBRARY GetCharacterPointerToBXAX |
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| 273 | mov es, bx |
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[46] | 274 | xchg bx, ax |
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[41] | 275 | CALL_DISPLAY_LIBRARY PopDisplayContext |
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[46] | 276 | mov di, bx |
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| 277 | pop cx |
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[41] | 278 | pop si |
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| 279 | pop bp |
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| 280 | ret |
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| 281 | |
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| 282 | ;-------------------------------------------------------------------- |
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| 283 | ; .FormatFileOrDirectoryToBufferFromDTAinDSSI |
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| 284 | ; Parameters: |
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| 285 | ; DS:SI: Ptr to DTA containing file information |
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| 286 | ; Returns: |
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| 287 | ; Nothing |
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| 288 | ; Corrupts registers: |
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| 289 | ; AX, BX, CX, DX, SI, DI, BP |
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| 290 | ;-------------------------------------------------------------------- |
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| 291 | ALIGN JUMP_ALIGN |
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| 292 | .FormatFileOrDirectoryToBufferFromDTAinDSSI: |
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| 293 | mov bp, sp |
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| 294 | lea ax, [si+DTA.szFile] |
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| 295 | |
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| 296 | test BYTE [si+DTA.bFileAttributes], FLG_FILEATTR_DIRECTORY |
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| 297 | jnz SHORT .FormatDirectory |
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[46] | 298 | ; Fall to .FormatFile |
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[41] | 299 | |
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[46] | 300 | ;-------------------------------------------------------------------- |
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| 301 | ; .FormatFile |
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| 302 | ; Parameters: |
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| 303 | ; BP: SP before pushing formatting parameters |
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| 304 | ; DS:AX: Far pointer to file name |
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| 305 | ; DS:SI: Ptr to DTA containing file information |
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| 306 | ; Returns: |
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| 307 | ; Nothing |
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| 308 | ; Corrupts registers: |
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| 309 | ; AX, BX, CX, DX, SI, DI, BP |
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| 310 | ;-------------------------------------------------------------------- |
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| 311 | .FormatFile: |
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| 312 | ; Push parameters for file name |
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| 313 | xchg si, ax |
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| 314 | call String_ConvertDSSItoLowerCase |
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| 315 | xchg ax, si |
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| 316 | push ax ; Push directory name offset |
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| 317 | push ds ; Push directory name segment |
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| 318 | |
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| 319 | ; Push parameters for file size |
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[41] | 320 | mov ax, [si+DTA.dwFileSize] |
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| 321 | mov dx, [si+DTA.dwFileSize+2] |
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| 322 | xor bx, bx |
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| 323 | xor cx, cx |
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| 324 | call Size_GetSizeToAXAndCharToDLfromBXDXAXwithMagnitudeInCX |
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| 325 | mov cl, 'i' |
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| 326 | cmp dl, ' ' |
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| 327 | eCMOVE cl, dl |
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| 328 | push ax |
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| 329 | push dx |
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| 330 | push cx |
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[46] | 331 | |
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| 332 | ; Format to buffer |
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[41] | 333 | mov si, g_szFileFormat |
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| 334 | jmp SHORT .FormatStringInCSSIandReturn |
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| 335 | |
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[46] | 336 | ;-------------------------------------------------------------------- |
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| 337 | ; .FormatDirectory |
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| 338 | ; Parameters: |
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| 339 | ; BP: SP before pushing formatting parameters |
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| 340 | ; DS:AX: Far pointer to directory name |
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| 341 | ; DS:SI: Ptr to DTA containing file information |
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| 342 | ; Returns: |
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| 343 | ; Nothing |
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| 344 | ; Corrupts registers: |
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| 345 | ; AX, BX, CX, DX, SI, DI, BP |
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| 346 | ;-------------------------------------------------------------------- |
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[41] | 347 | ALIGN JUMP_ALIGN |
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| 348 | .FormatDirectory: |
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[46] | 349 | push ax ; Push directory name offset |
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| 350 | push ds ; Push directory name segment |
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[41] | 351 | mov ax, g_szSub |
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| 352 | cmp WORD [si+DTA.szFile], UPDIR_CHARACTERS |
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| 353 | eCMOVE ax, g_szUp |
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| 354 | push ax |
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| 355 | mov si, g_szDirectoryFormat |
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| 356 | ALIGN JUMP_ALIGN |
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| 357 | .FormatStringInCSSIandReturn: |
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| 358 | CALL_DISPLAY_LIBRARY FormatNullTerminatedStringFromCSSI |
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| 359 | ret |
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| 360 | |
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| 361 | ;-------------------------------------------------------------------- |
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| 362 | ; .FilterCurrentDirectory |
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| 363 | ; .FilterUpDirectoryWhenInRoot |
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| 364 | ; Parameters: |
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| 365 | ; DL: Zero if root directory selected |
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| 366 | ; DS:SI: Ptr to DTA containing file information |
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| 367 | ; Returns: |
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| 368 | ; Nothing |
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| 369 | ; Returns from AppendFileToBufferInESDIfromDtaInDSSI when filtering |
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| 370 | ; Corrupts registers: |
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| 371 | ; AX |
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| 372 | ;-------------------------------------------------------------------- |
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| 373 | ALIGN JUMP_ALIGN |
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| 374 | .FilterCurrentDirectory: |
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| 375 | cmp WORD [si+DTA.szFile], CURRENTDIR_CHARACTERS |
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| 376 | jne SHORT .ReturnWithoutFiltering |
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| 377 | add sp, BYTE 2 ; Remove return address from stack |
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| 378 | ret |
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| 379 | |
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| 380 | ALIGN JUMP_ALIGN |
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| 381 | .FilterUpDirectoryWhenInRoot: |
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| 382 | test dl, dl ; Set ZF if root directory selected |
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| 383 | jnz SHORT .ReturnWithoutFiltering |
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| 384 | cmp WORD [si+DTA.szFile], UPDIR_CHARACTERS |
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| 385 | jne SHORT .ReturnWithoutFiltering |
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| 386 | add sp, BYTE 2 ; Remove return address from stack |
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| 387 | ALIGN JUMP_ALIGN, ret |
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| 388 | .ReturnWithoutFiltering: |
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| 389 | ret |
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| 390 | |
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| 391 | |
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| 392 | ;-------------------------------------------------------------------- |
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[46] | 393 | ; SortDirectoryContentsStringFromESDIwithCountInCX |
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| 394 | ; Parameters: |
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| 395 | ; CX: Number of files and directories |
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| 396 | ; ES:DI: Buffer containing directory contents string |
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| 397 | ; SS:BP: Ptr to DIALOG |
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| 398 | ; Returns: |
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| 399 | ; Nothing |
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| 400 | ; Corrupts registers: |
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| 401 | ; AX, BX, CX, DX, SI, DI, DS, ES |
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| 402 | ;-------------------------------------------------------------------- |
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| 403 | ALIGN JUMP_ALIGN |
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| 404 | SortDirectoryContentsStringFromESDIwithCountInCX: |
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| 405 | call Memory_ExchangeDSSIwithESDI |
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| 406 | mov bx, .FileStringComparator |
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| 407 | xchg dx, cx |
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| 408 | mov cx, FILE_STRING_LENGTH |
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| 409 | jmp Sort_ItemsFromDSSIwithCountInDXsizeInCXandComparatorInBX |
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| 410 | |
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| 411 | ;-------------------------------------------------------------------- |
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| 412 | ; .FileStringComparator |
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| 413 | ; Parameters: |
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| 414 | ; CX: Item size in bytes |
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| 415 | ; DS:SI: Ptr to first item to compare |
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| 416 | ; ES:DI: Ptr to second item to compare |
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| 417 | ; Returns: |
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| 418 | ; FLAGS: Signed comparition between first and second item |
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| 419 | ; Corrupts registers: |
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| 420 | ; Nothing |
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| 421 | ;-------------------------------------------------------------------- |
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| 422 | ALIGN JUMP_ALIGN |
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| 423 | .FileStringComparator: |
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| 424 | push di |
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| 425 | push si |
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| 426 | push cx |
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| 427 | push bx |
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| 428 | |
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| 429 | mov bx, FILE_STRING_LENGTH-2 ; Zero BH |
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| 430 | cmp WORD [si], UPDIR_CHARACTERS |
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| 431 | je SHORT .ForceValueFromDSSItoBeLess |
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| 432 | mov bl, [si+bx] |
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| 433 | cmp bl, [es:di+FILE_STRING_LENGTH-2] ; 'B' for files, 'R' for directories |
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| 434 | jne SHORT .ForceValueFromDSSItoBeMoreOrLess |
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| 435 | repe cmpsb ; Two directories or two files |
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| 436 | |
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| 437 | ALIGN JUMP_ALIGN |
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| 438 | .ReturnFromComparison: |
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| 439 | pop bx |
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| 440 | pop cx |
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| 441 | pop si |
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| 442 | pop di |
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| 443 | ret |
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| 444 | ALIGN JUMP_ALIGN |
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| 445 | .ForceValueFromDSSItoBeMoreOrLess: |
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| 446 | ja SHORT .ForceValueFromDSSItoBeLess ; Directory in SI, file in DI |
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| 447 | xchg bl, bh |
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| 448 | ; Fall to ForceValueFromDSSItoBeLess |
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| 449 | ALIGN JUMP_ALIGN |
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| 450 | .ForceValueFromDSSItoBeLess: |
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| 451 | cmp bh, bl |
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| 452 | jmp SHORT .ReturnFromComparison |
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| 453 | |
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| 454 | |
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| 455 | ;-------------------------------------------------------------------- |
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[41] | 456 | ; GetInfoLinesToCXandDialogFlagsToAX |
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| 457 | ; Parameters: |
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| 458 | ; SS:BP: Ptr to DIALOG |
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| 459 | ; Returns: |
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| 460 | ; AX: Dialog flags |
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| 461 | ; CX: Number of info lines to be displayed |
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| 462 | ; Corrupts registers: |
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| 463 | ; SI, DS |
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| 464 | ;-------------------------------------------------------------------- |
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| 465 | ALIGN JUMP_ALIGN |
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| 466 | GetInfoLinesToCXandDialogFlagsToAX: |
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| 467 | xor ax, ax |
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| 468 | call GetDialogFlagsToAL |
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| 469 | jmp Bit_GetSetCountToCXfromAX |
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| 470 | |
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| 471 | ;-------------------------------------------------------------------- |
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| 472 | ; GetDialogFlagsToAL |
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| 473 | ; Parameters: |
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| 474 | ; SS:BP: Ptr to DIALOG |
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| 475 | ; Returns: |
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| 476 | ; AL: Dialog flags |
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| 477 | ; Corrupts registers: |
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| 478 | ; SI, DS |
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| 479 | ;-------------------------------------------------------------------- |
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| 480 | ALIGN JUMP_ALIGN |
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| 481 | GetDialogFlagsToAL: |
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| 482 | lds si, [bp+DIALOG.fpDialogIO] |
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| 483 | mov al, [si+FILE_DIALOG_IO.bDialogFlags] |
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| 484 | ret |
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| 485 | |
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| 486 | |
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| 487 | ;-------------------------------------------------------------------- |
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| 488 | ; ParseSelectionFromItemLineInDSSI |
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| 489 | ; Parameters: |
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| 490 | ; DS:SI: Ptr to char buffer containing file or directory to be selected |
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| 491 | ; SS:BP: Ptr to DIALOG |
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| 492 | ; Returns: |
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| 493 | ; Nothing |
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| 494 | ; Corrupts registers: |
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| 495 | ; All, except BP |
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| 496 | ;-------------------------------------------------------------------- |
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| 497 | ALIGN JUMP_ALIGN |
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| 498 | ParseSelectionFromItemLineInDSSI: |
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[46] | 499 | mov ax, [si] |
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| 500 | cmp ax, UPDIR_CHARACTERS |
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| 501 | je SHORT .ChangeToUpdir |
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| 502 | call Char_IsUpperCaseLetterInAL |
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| 503 | jc SHORT .ParseAndChangeToSubdirInDSSI |
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| 504 | ; Fall to .ParseAndSelectFileFromDSSI |
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[41] | 505 | |
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| 506 | ;-------------------------------------------------------------------- |
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[46] | 507 | ; .ParseAndSelectFileFromDSSI |
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[41] | 508 | ; Parameters: |
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[46] | 509 | ; DS:SI: NULL terminated string selected from dialog |
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[41] | 510 | ; SS:BP: Ptr to DIALOG |
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| 511 | ; Returns: |
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| 512 | ; Nothing (exits dialog) |
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| 513 | ; Corrupts registers: |
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| 514 | ; All, except BP |
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| 515 | ;-------------------------------------------------------------------- |
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[46] | 516 | .ParseAndSelectFileFromDSSI: |
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[41] | 517 | les di, [bp+DIALOG.fpDialogIO] |
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| 518 | add di, BYTE FILE_DIALOG_IO.szFile |
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| 519 | mov cx, FILENAME_BUFFER_SIZE-1 |
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| 520 | cld |
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| 521 | rep movsb |
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| 522 | xor ax, ax |
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| 523 | stosb ; Terminate with NULL |
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| 524 | jmp CloseFileDialogAfterSuccessfullSelection |
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| 525 | |
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| 526 | ;-------------------------------------------------------------------- |
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[46] | 527 | ; .ChangeToUpdir |
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[41] | 528 | ; Parameters: |
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| 529 | ; SS:BP: Ptr to DIALOG |
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| 530 | ; Returns: |
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| 531 | ; Nothing |
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| 532 | ; Corrupts registers: |
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| 533 | ; All, except BP |
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| 534 | ;-------------------------------------------------------------------- |
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| 535 | ALIGN JUMP_ALIGN |
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[46] | 536 | .ChangeToUpdir: |
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| 537 | mov si, g_szUpdir |
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| 538 | jmp SHORT .ChangeDirectoryToDSSI |
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| 539 | |
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| 540 | ;-------------------------------------------------------------------- |
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| 541 | ; .ParseAndChangeToSubdirInDSSI |
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| 542 | ; Parameters: |
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| 543 | ; DS:SI: NULL terminated string selected from dialog |
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| 544 | ; SS:BP: Ptr to DIALOG |
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| 545 | ; Returns: |
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| 546 | ; Nothing |
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| 547 | ; Corrupts registers: |
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| 548 | ; All, except BP |
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| 549 | ;-------------------------------------------------------------------- |
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| 550 | ALIGN JUMP_ALIGN |
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| 551 | .ParseAndChangeToSubdirInDSSI: |
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| 552 | mov BYTE [si+12], NULL ; Terminate with NULL (unnecessary spaces do not matter) |
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| 553 | .ChangeDirectoryToDSSI: |
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[41] | 554 | call Directory_ChangeToPathFromDSSI |
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| 555 | ; Fall to RefreshFilesToDisplay |
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| 556 | |
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| 557 | ;-------------------------------------------------------------------- |
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| 558 | ; RefreshFilesToDisplay |
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| 559 | ; Parameters: |
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| 560 | ; SS:BP: Ptr to DIALOG |
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| 561 | ; Returns: |
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| 562 | ; Nothing |
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| 563 | ; Corrupts registers: |
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| 564 | ; All, except BP |
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| 565 | ;-------------------------------------------------------------------- |
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| 566 | ALIGN JUMP_ALIGN |
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| 567 | RefreshFilesToDisplay: |
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| 568 | call InitializeMenuinitFromSSBP |
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| 569 | jmp MenuInit_RefreshMenuWindow |
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| 570 | |
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| 571 | |
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| 572 | ;-------------------------------------------------------------------- |
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| 573 | ; HandleFunctionKeyFromAH |
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| 574 | ; Parameters: |
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| 575 | ; AH: Scancode for function key |
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| 576 | ; SS:BP: Ptr to DIALOG |
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| 577 | ; Returns: |
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| 578 | ; Nothing |
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| 579 | ; Corrupts registers: |
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| 580 | ; AX, SI, DI, BP |
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| 581 | ;-------------------------------------------------------------------- |
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| 582 | ALIGN JUMP_ALIGN |
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| 583 | HandleFunctionKeyFromAH: |
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| 584 | call GetDialogFlagsToAL |
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| 585 | cmp ah, KEY_FILEDIALOG_NEW_FILE_OR_DIR |
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| 586 | je SHORT HandleFunctionKeyForCreatingNewFileOrDirectory |
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| 587 | cmp ah, KEY_FILEDIALOG_SELECT_DIRECTORY |
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| 588 | je SHORT HandleFunctionKeyForSelectingDirectoryInsteadOfFile |
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| 589 | cmp ah, KEY_FILEDIALOG_CHANGE_DRIVE |
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| 590 | je SHORT HandleFunctionKeyForDriveChange |
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| 591 | ReturnWithoutHandlingKeystroke: |
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| 592 | clc ; Event not processed |
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| 593 | ret |
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| 594 | |
---|
| 595 | |
---|
| 596 | ;-------------------------------------------------------------------- |
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| 597 | ; HandleFunctionKeyForCreatingNewFileOrDirectory |
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| 598 | ; Parameters: |
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| 599 | ; AL: File dialog flags |
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| 600 | ; SS:BP: Ptr to DIALOG |
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| 601 | ; Returns: |
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| 602 | ; Closes file dialog |
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| 603 | ; Corrupts registers: |
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| 604 | ; All, except BP |
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| 605 | ;-------------------------------------------------------------------- |
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| 606 | ALIGN JUMP_ALIGN |
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| 607 | HandleFunctionKeyForCreatingNewFileOrDirectory: |
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| 608 | test al, FLG_FILEDIALOG_NEW |
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| 609 | jz SHORT ReturnWithoutHandlingKeystroke |
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| 610 | |
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| 611 | mov cx, STRING_DIALOG_IO_size |
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| 612 | call Memory_ReserveCXbytesFromStackToDSSI |
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| 613 | call .InitializeStringDialogIoInDSSIforInputtingFileName |
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| 614 | |
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| 615 | CALL_MENU_LIBRARY GetStringWithIoInDSSI |
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| 616 | mov al, [si+STRING_DIALOG_IO.bUserCancellation] |
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| 617 | add sp, BYTE STRING_DIALOG_IO_size |
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| 618 | test al, al ; User cancellation? |
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| 619 | jnz SHORT ReturnWithoutHandlingKeystroke |
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| 620 | jmp CloseFileDialogAfterSuccessfullSelection |
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| 621 | |
---|
| 622 | ALIGN JUMP_ALIGN |
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| 623 | .InitializeStringDialogIoInDSSIforInputtingFileName: |
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| 624 | call InitializeNullStringsToDialogInputInDSSI |
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| 625 | mov WORD [si+DIALOG_INPUT.fszTitle], g_szEnterNewFileOrDirectory |
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| 626 | mov WORD [si+STRING_DIALOG_IO.fnCharFilter], NULL |
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| 627 | mov WORD [si+STRING_DIALOG_IO.wBufferSize], FILENAME_BUFFER_SIZE |
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| 628 | les ax, [bp+DIALOG.fpDialogIO] |
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| 629 | add ax, BYTE FILE_DIALOG_IO.szFile |
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| 630 | mov [si+STRING_DIALOG_IO.fpReturnBuffer], ax |
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| 631 | mov [si+STRING_DIALOG_IO.fpReturnBuffer+2], es |
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| 632 | ret |
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| 633 | |
---|
| 634 | |
---|
| 635 | ;-------------------------------------------------------------------- |
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| 636 | ; HandleFunctionKeyForSelectingDirectoryInsteadOfFile |
---|
| 637 | ; Parameters: |
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| 638 | ; AL: File dialog flags |
---|
| 639 | ; SS:BP: Ptr to DIALOG |
---|
| 640 | ; Returns: |
---|
| 641 | ; Closes file dialog |
---|
| 642 | ; Corrupts registers: |
---|
| 643 | ; All, except BP |
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| 644 | ;-------------------------------------------------------------------- |
---|
| 645 | ALIGN JUMP_ALIGN |
---|
| 646 | HandleFunctionKeyForSelectingDirectoryInsteadOfFile: |
---|
| 647 | test al, FLG_FILEDIALOG_DIRECTORY |
---|
| 648 | jz SHORT ReturnWithoutHandlingKeystroke |
---|
| 649 | ; Fall to CloseFileDialogAfterSuccessfullSelection |
---|
| 650 | |
---|
| 651 | ;-------------------------------------------------------------------- |
---|
| 652 | ; CloseFileDialogAfterSuccessfullSelection |
---|
| 653 | ; Parameters: |
---|
| 654 | ; SS:BP: Ptr to DIALOG |
---|
| 655 | ; Returns: |
---|
| 656 | ; Nothing (exits dialog) |
---|
| 657 | ; Corrupts registers: |
---|
| 658 | ; All, except BP |
---|
| 659 | ;-------------------------------------------------------------------- |
---|
| 660 | ALIGN JUMP_ALIGN |
---|
| 661 | CloseFileDialogAfterSuccessfullSelection: |
---|
| 662 | lds di, [bp+DIALOG.fpDialogIO] |
---|
| 663 | mov BYTE [di+FILE_DIALOG_IO.bUserCancellation], FALSE |
---|
| 664 | jmp MenuInit_CloseMenuWindow |
---|
| 665 | |
---|
| 666 | |
---|
| 667 | ;-------------------------------------------------------------------- |
---|
| 668 | ; HandleFunctionKeyForDriveChange |
---|
| 669 | ; Parameters: |
---|
| 670 | ; AL: File dialog flags |
---|
| 671 | ; SS:BP: Ptr to DIALOG |
---|
| 672 | ; Returns: |
---|
| 673 | ; Nothing |
---|
| 674 | ; Corrupts registers: |
---|
| 675 | ; All, except BP |
---|
| 676 | ;-------------------------------------------------------------------- |
---|
| 677 | ALIGN JUMP_ALIGN |
---|
| 678 | HandleFunctionKeyForDriveChange: |
---|
| 679 | test al, FLG_FILEDIALOG_DRIVES |
---|
| 680 | jz SHORT ReturnWithoutHandlingKeystroke |
---|
| 681 | |
---|
| 682 | call .ShowDriveSelectionDialogAndGetDriveNumberToDL |
---|
| 683 | jnc SHORT RefreshFilesToDisplay |
---|
| 684 | call Drive_SetDefaultFromDL |
---|
| 685 | jmp SHORT RefreshFilesToDisplay |
---|
| 686 | |
---|
| 687 | ;-------------------------------------------------------------------- |
---|
| 688 | ; .ShowDriveSelectionDialogAndGetDriveNumberToDL |
---|
| 689 | ; Parameters: |
---|
| 690 | ; SS:BP: Ptr to DIALOG |
---|
| 691 | ; Returns: |
---|
| 692 | ; DL: Drive selected by user |
---|
| 693 | ; CF: Set if new drive selected |
---|
| 694 | ; Cleared if selection cancelled by user |
---|
| 695 | ; Corrupts registers: |
---|
| 696 | ; All, except BP |
---|
| 697 | ;-------------------------------------------------------------------- |
---|
| 698 | ALIGN JUMP_ALIGN |
---|
| 699 | .ShowDriveSelectionDialogAndGetDriveNumberToDL: |
---|
| 700 | mov cx, DIALOG_INPUT_size |
---|
| 701 | call Memory_ReserveCXbytesFromStackToDSSI |
---|
| 702 | call .InitializeDialogInputInDSSIforDriveSelection |
---|
| 703 | call DialogSelection_GetSelectionToAXwithInputInDSSI |
---|
| 704 | add sp, BYTE DIALOG_INPUT_size |
---|
| 705 | cmp ax, BYTE NO_ITEM_SELECTED ; Clear CF if equal |
---|
| 706 | jne SHORT .ConvertDriveNumberToDLfromItemIndexInAX |
---|
| 707 | ret |
---|
| 708 | |
---|
| 709 | ALIGN JUMP_ALIGN |
---|
| 710 | .InitializeDialogInputInDSSIforDriveSelection: |
---|
| 711 | call InitializeNullStringsToDialogInputInDSSI |
---|
| 712 | call LoadItemStringBufferToESDI |
---|
| 713 | mov WORD [si+DIALOG_INPUT.fszTitle], g_szSelectNewDrive |
---|
| 714 | mov [si+DIALOG_INPUT.fszItems], di |
---|
| 715 | mov [si+DIALOG_INPUT.fszItems+2], es |
---|
| 716 | call Drive_GetFlagsForAvailableDrivesToDXAX |
---|
| 717 | ; Fall to .GenerateDriveSelectionStringToESDIfromDriveFlagsInDXAX |
---|
| 718 | |
---|
| 719 | ;-------------------------------------------------------------------- |
---|
| 720 | ; .GenerateDriveSelectionStringToESDIfromDriveFlagsInDXAX |
---|
| 721 | ; Parameters: |
---|
| 722 | ; DX:AX: Drive letter flags |
---|
| 723 | ; ES:DI: Ptr to item string buffer |
---|
| 724 | ; SS:BP: Ptr to DIALOG |
---|
| 725 | ; Returns: |
---|
| 726 | ; Nothing |
---|
| 727 | ; Corrupts registers: |
---|
| 728 | ; AX, BX, CX, DX, DI, ES |
---|
| 729 | ;-------------------------------------------------------------------- |
---|
| 730 | ;ALIGN JUMP_ALIGN |
---|
| 731 | .GenerateDriveSelectionStringToESDIfromDriveFlagsInDXAX: |
---|
| 732 | cld |
---|
| 733 | xchg cx, ax |
---|
| 734 | mov ax, 3A41h ; A: |
---|
| 735 | ALIGN JUMP_ALIGN |
---|
| 736 | .BitShiftLoop: |
---|
| 737 | shr dx, 1 |
---|
| 738 | rcr cx, 1 |
---|
| 739 | jnc SHORT .CheckIfMoreDrivesLeft |
---|
| 740 | stosw |
---|
| 741 | mov BYTE [es:di], LF |
---|
| 742 | inc di |
---|
| 743 | ALIGN JUMP_ALIGN |
---|
| 744 | .CheckIfMoreDrivesLeft: |
---|
| 745 | inc ax ; Next drive letter |
---|
| 746 | mov bx, dx |
---|
| 747 | or bx, cx |
---|
| 748 | jnz SHORT .BitShiftLoop |
---|
[46] | 749 | jmp TerminateESDIwithNull |
---|
[41] | 750 | |
---|
| 751 | ;-------------------------------------------------------------------- |
---|
| 752 | ; .ConvertDriveNumberToDLfromItemIndexInAX |
---|
| 753 | ; Parameters: |
---|
| 754 | ; AX: Selected drive item |
---|
| 755 | ; Returns: |
---|
| 756 | ; DL: Drive number |
---|
| 757 | ; CF: Set since drive selected |
---|
| 758 | ; Corrupts registers: |
---|
| 759 | ; AX, CX, DH |
---|
| 760 | ;-------------------------------------------------------------------- |
---|
| 761 | ALIGN JUMP_ALIGN |
---|
| 762 | .ConvertDriveNumberToDLfromItemIndexInAX: |
---|
| 763 | mov ah, -1 |
---|
| 764 | xchg cx, ax |
---|
| 765 | call Drive_GetFlagsForAvailableDrivesToDXAX |
---|
| 766 | ALIGN JUMP_ALIGN |
---|
| 767 | .BitScanLoop: |
---|
| 768 | shr dx, 1 |
---|
| 769 | rcr ax, 1 |
---|
| 770 | inc ch ; Increment drive number |
---|
| 771 | sbb cl, 0 ; Decrement selection index |
---|
| 772 | jnc SHORT .BitScanLoop |
---|
| 773 | mov dl, ch |
---|
| 774 | stc ; Drive selected by user |
---|
| 775 | ret |
---|
| 776 | |
---|
| 777 | |
---|
| 778 | ;-------------------------------------------------------------------- |
---|
| 779 | ; InitializeNullStringsToDialogInputInDSSI |
---|
| 780 | ; Parameters: |
---|
| 781 | ; DS:SI: Ptr to DIALOG_INPUT |
---|
| 782 | ; SS:BP: Ptr to DIALOG |
---|
| 783 | ; Returns: |
---|
| 784 | ; Nothing |
---|
| 785 | ; Corrupts registers: |
---|
| 786 | ; AX |
---|
| 787 | ;-------------------------------------------------------------------- |
---|
| 788 | ALIGN JUMP_ALIGN |
---|
| 789 | InitializeNullStringsToDialogInputInDSSI: |
---|
| 790 | mov ax, g_szNull |
---|
| 791 | mov [si+DIALOG_INPUT.fszTitle], ax |
---|
| 792 | mov [si+DIALOG_INPUT.fszTitle+2], cs |
---|
| 793 | mov [si+DIALOG_INPUT.fszItems], ax |
---|
| 794 | mov [si+DIALOG_INPUT.fszItems+2], cs |
---|
| 795 | mov [si+DIALOG_INPUT.fszInfo], ax |
---|
| 796 | mov [si+DIALOG_INPUT.fszInfo+2], cs |
---|
| 797 | ret |
---|