| [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
|
|---|
| 416 | ; ES:DI: Ptr to second item to compare
|
|---|
| 417 | ; Returns:
|
|---|
| 418 | ; FLAGS: Signed comparition between first and second item
|
|---|
| 419 | ; Corrupts registers:
|
|---|
| 420 | ; Nothing
|
|---|
| 421 | ;--------------------------------------------------------------------
|
|---|
| 422 | ALIGN JUMP_ALIGN
|
|---|
| 423 | .FileStringComparator:
|
|---|
| 424 | push di
|
|---|
| 425 | push si
|
|---|
| 426 | push cx
|
|---|
| 427 | push bx
|
|---|
| 428 |
|
|---|
| 429 | mov bx, FILE_STRING_LENGTH-2 ; Zero BH
|
|---|
| 430 | cmp WORD [si], UPDIR_CHARACTERS
|
|---|
| 431 | je SHORT .ForceValueFromDSSItoBeLess
|
|---|
| 432 | mov bl, [si+bx]
|
|---|
| 433 | cmp bl, [es:di+FILE_STRING_LENGTH-2] ; 'B' for files, 'R' for directories
|
|---|
| 434 | jne SHORT .ForceValueFromDSSItoBeMoreOrLess
|
|---|
| 435 | repe cmpsb ; Two directories or two files
|
|---|
| 436 |
|
|---|
| 437 | ALIGN JUMP_ALIGN
|
|---|
| 438 | .ReturnFromComparison:
|
|---|
| 439 | pop bx
|
|---|
| 440 | pop cx
|
|---|
| 441 | pop si
|
|---|
| 442 | pop di
|
|---|
| 443 | ret
|
|---|
| 444 | ALIGN JUMP_ALIGN
|
|---|
| 445 | .ForceValueFromDSSItoBeMoreOrLess:
|
|---|
| 446 | ja SHORT .ForceValueFromDSSItoBeLess ; Directory in SI, file in DI
|
|---|
| 447 | xchg bl, bh
|
|---|
| 448 | ; Fall to ForceValueFromDSSItoBeLess
|
|---|
| 449 | ALIGN JUMP_ALIGN
|
|---|
| 450 | .ForceValueFromDSSItoBeLess:
|
|---|
| 451 | cmp bh, bl
|
|---|
| 452 | jmp SHORT .ReturnFromComparison
|
|---|
| 453 |
|
|---|
| 454 |
|
|---|
| 455 | ;--------------------------------------------------------------------
|
|---|
| [41] | 456 | ; GetInfoLinesToCXandDialogFlagsToAX
|
|---|
| 457 | ; Parameters:
|
|---|
| 458 | ; SS:BP: Ptr to DIALOG
|
|---|
| 459 | ; Returns:
|
|---|
| 460 | ; AX: Dialog flags
|
|---|
| 461 | ; CX: Number of info lines to be displayed
|
|---|
| 462 | ; Corrupts registers:
|
|---|
| 463 | ; SI, DS
|
|---|
| 464 | ;--------------------------------------------------------------------
|
|---|
| 465 | ALIGN JUMP_ALIGN
|
|---|
| 466 | GetInfoLinesToCXandDialogFlagsToAX:
|
|---|
| 467 | xor ax, ax
|
|---|
| 468 | call GetDialogFlagsToAL
|
|---|
| 469 | jmp Bit_GetSetCountToCXfromAX
|
|---|
| 470 |
|
|---|
| 471 | ;--------------------------------------------------------------------
|
|---|
| 472 | ; GetDialogFlagsToAL
|
|---|
| 473 | ; Parameters:
|
|---|
| 474 | ; SS:BP: Ptr to DIALOG
|
|---|
| 475 | ; Returns:
|
|---|
| 476 | ; AL: Dialog flags
|
|---|
| 477 | ; Corrupts registers:
|
|---|
| 478 | ; SI, DS
|
|---|
| 479 | ;--------------------------------------------------------------------
|
|---|
| 480 | ALIGN JUMP_ALIGN
|
|---|
| 481 | GetDialogFlagsToAL:
|
|---|
| 482 | lds si, [bp+DIALOG.fpDialogIO]
|
|---|
| 483 | mov al, [si+FILE_DIALOG_IO.bDialogFlags]
|
|---|
| 484 | ret
|
|---|
| 485 |
|
|---|
| 486 |
|
|---|
| 487 | ;--------------------------------------------------------------------
|
|---|
| 488 | ; ParseSelectionFromItemLineInDSSI
|
|---|
| 489 | ; Parameters:
|
|---|
| 490 | ; DS:SI: Ptr to char buffer containing file or directory to be selected
|
|---|
| 491 | ; SS:BP: Ptr to DIALOG
|
|---|
| 492 | ; Returns:
|
|---|
| 493 | ; Nothing
|
|---|
| 494 | ; Corrupts registers:
|
|---|
| 495 | ; All, except BP
|
|---|
| 496 | ;--------------------------------------------------------------------
|
|---|
| 497 | ALIGN JUMP_ALIGN
|
|---|
| 498 | ParseSelectionFromItemLineInDSSI:
|
|---|
| [46] | 499 | mov ax, [si]
|
|---|
| 500 | cmp ax, UPDIR_CHARACTERS
|
|---|
| 501 | je SHORT .ChangeToUpdir
|
|---|
| 502 | call Char_IsUpperCaseLetterInAL
|
|---|
| 503 | jc SHORT .ParseAndChangeToSubdirInDSSI
|
|---|
| 504 | ; Fall to .ParseAndSelectFileFromDSSI
|
|---|
| [41] | 505 |
|
|---|
| 506 | ;--------------------------------------------------------------------
|
|---|
| [46] | 507 | ; .ParseAndSelectFileFromDSSI
|
|---|
| [41] | 508 | ; Parameters:
|
|---|
| [46] | 509 | ; DS:SI: NULL terminated string selected from dialog
|
|---|
| [41] | 510 | ; SS:BP: Ptr to DIALOG
|
|---|
| 511 | ; Returns:
|
|---|
| 512 | ; Nothing (exits dialog)
|
|---|
| 513 | ; Corrupts registers:
|
|---|
| 514 | ; All, except BP
|
|---|
| 515 | ;--------------------------------------------------------------------
|
|---|
| [46] | 516 | .ParseAndSelectFileFromDSSI:
|
|---|
| [41] | 517 | les di, [bp+DIALOG.fpDialogIO]
|
|---|
| 518 | add di, BYTE FILE_DIALOG_IO.szFile
|
|---|
| 519 | mov cx, FILENAME_BUFFER_SIZE-1
|
|---|
| 520 | cld
|
|---|
| 521 | rep movsb
|
|---|
| 522 | xor ax, ax
|
|---|
| 523 | stosb ; Terminate with NULL
|
|---|
| 524 | jmp CloseFileDialogAfterSuccessfullSelection
|
|---|
| 525 |
|
|---|
| 526 | ;--------------------------------------------------------------------
|
|---|
| [46] | 527 | ; .ChangeToUpdir
|
|---|
| [41] | 528 | ; Parameters:
|
|---|
| 529 | ; SS:BP: Ptr to DIALOG
|
|---|
| 530 | ; Returns:
|
|---|
| 531 | ; Nothing
|
|---|
| 532 | ; Corrupts registers:
|
|---|
| 533 | ; All, except BP
|
|---|
| 534 | ;--------------------------------------------------------------------
|
|---|
| 535 | ALIGN JUMP_ALIGN
|
|---|
| [46] | 536 | .ChangeToUpdir:
|
|---|
| 537 | mov si, g_szUpdir
|
|---|
| 538 | jmp SHORT .ChangeDirectoryToDSSI
|
|---|
| 539 |
|
|---|
| 540 | ;--------------------------------------------------------------------
|
|---|
| 541 | ; .ParseAndChangeToSubdirInDSSI
|
|---|
| 542 | ; Parameters:
|
|---|
| 543 | ; DS:SI: NULL terminated string selected from dialog
|
|---|
| 544 | ; SS:BP: Ptr to DIALOG
|
|---|
| 545 | ; Returns:
|
|---|
| 546 | ; Nothing
|
|---|
| 547 | ; Corrupts registers:
|
|---|
| 548 | ; All, except BP
|
|---|
| 549 | ;--------------------------------------------------------------------
|
|---|
| 550 | ALIGN JUMP_ALIGN
|
|---|
| 551 | .ParseAndChangeToSubdirInDSSI:
|
|---|
| 552 | mov BYTE [si+12], NULL ; Terminate with NULL (unnecessary spaces do not matter)
|
|---|
| 553 | .ChangeDirectoryToDSSI:
|
|---|
| [41] | 554 | call Directory_ChangeToPathFromDSSI
|
|---|
| 555 | ; Fall to RefreshFilesToDisplay
|
|---|
| 556 |
|
|---|
| 557 | ;--------------------------------------------------------------------
|
|---|
| 558 | ; RefreshFilesToDisplay
|
|---|
| 559 | ; Parameters:
|
|---|
| 560 | ; SS:BP: Ptr to DIALOG
|
|---|
| 561 | ; Returns:
|
|---|
| 562 | ; Nothing
|
|---|
| 563 | ; Corrupts registers:
|
|---|
| 564 | ; All, except BP
|
|---|
| 565 | ;--------------------------------------------------------------------
|
|---|
| 566 | ALIGN JUMP_ALIGN
|
|---|
| 567 | RefreshFilesToDisplay:
|
|---|
| 568 | call InitializeMenuinitFromSSBP
|
|---|
| 569 | jmp MenuInit_RefreshMenuWindow
|
|---|
| 570 |
|
|---|
| 571 |
|
|---|
| 572 | ;--------------------------------------------------------------------
|
|---|
| 573 | ; HandleFunctionKeyFromAH
|
|---|
| 574 | ; Parameters:
|
|---|
| 575 | ; AH: Scancode for function key
|
|---|
| 576 | ; SS:BP: Ptr to DIALOG
|
|---|
| 577 | ; Returns:
|
|---|
| 578 | ; Nothing
|
|---|
| 579 | ; Corrupts registers:
|
|---|
| 580 | ; AX, SI, DI, BP
|
|---|
| 581 | ;--------------------------------------------------------------------
|
|---|
| 582 | ALIGN JUMP_ALIGN
|
|---|
| 583 | HandleFunctionKeyFromAH:
|
|---|
| 584 | call GetDialogFlagsToAL
|
|---|
| 585 | cmp ah, KEY_FILEDIALOG_NEW_FILE_OR_DIR
|
|---|
| 586 | je SHORT HandleFunctionKeyForCreatingNewFileOrDirectory
|
|---|
| 587 | cmp ah, KEY_FILEDIALOG_SELECT_DIRECTORY
|
|---|
| 588 | je SHORT HandleFunctionKeyForSelectingDirectoryInsteadOfFile
|
|---|
| 589 | cmp ah, KEY_FILEDIALOG_CHANGE_DRIVE
|
|---|
| 590 | je SHORT HandleFunctionKeyForDriveChange
|
|---|
| 591 | ReturnWithoutHandlingKeystroke:
|
|---|
| 592 | clc ; Event not processed
|
|---|
| 593 | ret
|
|---|
| 594 |
|
|---|
| 595 |
|
|---|
| 596 | ;--------------------------------------------------------------------
|
|---|
| 597 | ; HandleFunctionKeyForCreatingNewFileOrDirectory
|
|---|
| 598 | ; Parameters:
|
|---|
| 599 | ; AL: File dialog flags
|
|---|
| 600 | ; SS:BP: Ptr to DIALOG
|
|---|
| 601 | ; Returns:
|
|---|
| 602 | ; Closes file dialog
|
|---|
| 603 | ; Corrupts registers:
|
|---|
| 604 | ; All, except BP
|
|---|
| 605 | ;--------------------------------------------------------------------
|
|---|
| 606 | ALIGN JUMP_ALIGN
|
|---|
| 607 | HandleFunctionKeyForCreatingNewFileOrDirectory:
|
|---|
| 608 | test al, FLG_FILEDIALOG_NEW
|
|---|
| 609 | jz SHORT ReturnWithoutHandlingKeystroke
|
|---|
| 610 |
|
|---|
| 611 | mov cx, STRING_DIALOG_IO_size
|
|---|
| 612 | call Memory_ReserveCXbytesFromStackToDSSI
|
|---|
| 613 | call .InitializeStringDialogIoInDSSIforInputtingFileName
|
|---|
| 614 |
|
|---|
| 615 | CALL_MENU_LIBRARY GetStringWithIoInDSSI
|
|---|
| 616 | mov al, [si+STRING_DIALOG_IO.bUserCancellation]
|
|---|
| 617 | add sp, BYTE STRING_DIALOG_IO_size
|
|---|
| 618 | test al, al ; User cancellation?
|
|---|
| 619 | jnz SHORT ReturnWithoutHandlingKeystroke
|
|---|
| 620 | jmp CloseFileDialogAfterSuccessfullSelection
|
|---|
| 621 |
|
|---|
| 622 | ALIGN JUMP_ALIGN
|
|---|
| 623 | .InitializeStringDialogIoInDSSIforInputtingFileName:
|
|---|
| 624 | call InitializeNullStringsToDialogInputInDSSI
|
|---|
| 625 | mov WORD [si+DIALOG_INPUT.fszTitle], g_szEnterNewFileOrDirectory
|
|---|
| 626 | mov WORD [si+STRING_DIALOG_IO.fnCharFilter], NULL
|
|---|
| 627 | mov WORD [si+STRING_DIALOG_IO.wBufferSize], FILENAME_BUFFER_SIZE
|
|---|
| 628 | les ax, [bp+DIALOG.fpDialogIO]
|
|---|
| 629 | add ax, BYTE FILE_DIALOG_IO.szFile
|
|---|
| 630 | mov [si+STRING_DIALOG_IO.fpReturnBuffer], ax
|
|---|
| 631 | mov [si+STRING_DIALOG_IO.fpReturnBuffer+2], es
|
|---|
| 632 | ret
|
|---|
| 633 |
|
|---|
| 634 |
|
|---|
| 635 | ;--------------------------------------------------------------------
|
|---|
| 636 | ; HandleFunctionKeyForSelectingDirectoryInsteadOfFile
|
|---|
| 637 | ; Parameters:
|
|---|
| 638 | ; AL: File dialog flags
|
|---|
| 639 | ; SS:BP: Ptr to DIALOG
|
|---|
| 640 | ; Returns:
|
|---|
| 641 | ; Closes file dialog
|
|---|
| 642 | ; Corrupts registers:
|
|---|
| 643 | ; All, except BP
|
|---|
| 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
|
|---|
