; Project name : Assembly Library ; Description : Displays file dialog. CURRENTDIR_CHARACTERS EQU 002Eh UPDIR_CHARACTERS EQU 2E2Eh ; Section containing code SECTION .text ;-------------------------------------------------------------------- ; DialogFile_GetFileNameWithIoInDSSI ; Parameters: ; DS:SI: Ptr to FILE_DIALOG_IO ; SS:BP: Ptr to parent MENU ; Returns: ; Nothing ; Corrupts registers: ; AX, BX, CX, DX, SI, DI ;-------------------------------------------------------------------- ALIGN JUMP_ALIGN DialogFile_GetFileNameWithIoInDSSI: mov bx, FileEventHandler mov BYTE [si+FILE_DIALOG_IO.bUserCancellation], TRUE jmp Dialog_DisplayWithDialogInputInDSSIandHandlerInBX ;-------------------------------------------------------------------- ; FileEventHandler ; Common parameters for all events: ; BX: Menu event (anything from MENUEVENT struct) ; SS:BP: Ptr to DIALOG ; Common return values for all events: ; CF: Set if event processed ; Cleared if event not processed ; Corrupts registers: ; All ;-------------------------------------------------------------------- ALIGN JUMP_ALIGN FileEventHandler: jmp [cs:bx+.rgfnEventHandlers] ALIGN JUMP_ALIGN .ItemSelectedFromCX: call LoadItemStringBufferToESDI call Registers_CopyESDItoDSSI call ItemLineSplitter_GetLineToDSSIandLengthToCXfromStringInDSSIwithIndexInCX jmp ParseSelectionFromItemLineInDSSI ALIGN JUMP_ALIGN .RefreshInformation: call GetInfoLinesToCXandDialogFlagsToAX mov si, [cs:.rgszInfoStringLookup] xor bx, bx xchg dx, ax ALIGN JUMP_ALIGN .InfoLineLoop: shr dl, 1 jnc SHORT .CheckNextFlag mov si, [cs:bx+.rgszInfoStringLookup] push bx CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI pop bx ALIGN JUMP_ALIGN .CheckNextFlag: inc bx inc bx loop .InfoLineLoop stc ; Event processed ret ALIGN JUMP_ALIGN .RefreshItemFromCX: call LoadItemStringBufferToESDI mov ax, FILE_STRING_LENGTH xchg ax, cx mul cx add di, ax mov si, di mov bx, es dec cx ; Do not print LF at the end of file string CALL_DISPLAY_LIBRARY PrintCharBufferFromBXSIwithLengthInCX stc ret ALIGN WORD_ALIGN .rgszInfoStringLookup: dw g_szChangeDrive dw g_szSelectDirectory dw g_szCreateNew .rgfnEventHandlers: istruc MENUEVENT at MENUEVENT.InitializeMenuinitFromDSSI, dw InitializeMenuinitFromSSBP at MENUEVENT.ExitMenu, dw Dialog_EventExitMenu at MENUEVENT.IdleProcessing, dw Dialog_EventNotHandled at MENUEVENT.ItemHighlightedFromCX, dw Dialog_EventNotHandled at MENUEVENT.ItemSelectedFromCX, dw .ItemSelectedFromCX at MENUEVENT.KeyStrokeInAX, dw HandleFunctionKeyFromAH at MENUEVENT.RefreshTitle, dw Dialog_EventRefreshTitle at MENUEVENT.RefreshInformation, dw .RefreshInformation at MENUEVENT.RefreshItemFromCX, dw .RefreshItemFromCX iend ;-------------------------------------------------------------------- ; ReInitializeMenuinitFromSSBP ; InitializeMenuinitFromSSBP ; Parameters: ; SS:BP: Ptr to DIALOG ; Returns: ; Nothing ; Corrupts registers: ; All, except BP ;-------------------------------------------------------------------- ALIGN JUMP_ALIGN ReInitializeMenuinitFromSSBP: call DisplayLoadingMessageInInformationArea InitializeMenuinitFromSSBP: call LoadItemStringBufferToESDI call CreateStringFromCurrentDirectoryContentsToESDI call LoadItemStringBufferToESDI call SortDirectoryContentsStringFromESDIwithCountInCX call RemoveLastLFandTerminateESDIwithNull call Registers_CopySSBPtoDSSI xor ax, ax call Dialog_EventInitializeMenuinitFromDSSIwithHighlightedItemInAX call GetInfoLinesToCXandDialogFlagsToAX mov [bp+MENUINIT.bInfoLines], cl CALL_DISPLAY_LIBRARY GetColumnsToALandRowsToAH mov [bp+MENUINIT.bHeight], ah ; Always max height mov WORD [bp+MENU.wFirstVisibleItem], 0 ret ;-------------------------------------------------------------------- ; LoadItemStringBufferToESDI ; Parameters: ; SS:BP: Ptr to DIALOG ; Returns: ; ES:DI: Ptr to item string buffer ; Corrupts registers: ; Nothing ;-------------------------------------------------------------------- ALIGN JUMP_ALIGN LoadItemStringBufferToESDI: les di, [bp+DIALOG.fpDialogIO] les di, [es:di+FILE_DIALOG_IO.fszItemBuffer] ret ;-------------------------------------------------------------------- ; CreateStringFromCurrentDirectoryContentsToESDI ; Parameters: ; ES:DI: Buffer where to create item string ; SS:BP: Ptr to DIALOG ; Returns: ; CX: Number of files or directories found ; Corrupts registers: ; AX, BX, DX, SI, DI, DS ;-------------------------------------------------------------------- ALIGN JUMP_ALIGN CreateStringFromCurrentDirectoryContentsToESDI: mov bx, di CALL_DISPLAY_LIBRARY PushDisplayContext mov cx, -1 CALL_DISPLAY_LIBRARY PrepareOffScreenBufferInESBXwithLengthInCX ; ES:DI now points to buffer lds si, [bp+DIALOG.fpDialogIO] eMOVZX cx, BYTE [si+FILE_DIALOG_IO.bFileAttributes] lds si, [si+FILE_DIALOG_IO.fpFileFilterString] call Directory_UpdateDTAForFirstMatchForDSSIwithAttributesInCX call .ClearDLifInRootDirectory call Directory_GetDiskTransferAreaAddressToDSSI xor cx, cx ; Clear file/directory count call .FindMatchingFilesAndPrintThemToOffScreenBuffer CALL_DISPLAY_LIBRARY PopDisplayContext ret ;-------------------------------------------------------------------- ; .ClearDLifInRootDirectory ; Parameters: ; SS:BP: Ptr to DIALOG ; ES:DI: Ptr to destination string buffer ; Returns: ; DL: Cleared if in root directory ; Set if in any other directory ; Corrupts registers: ; AX, SI, DS ;-------------------------------------------------------------------- ALIGN JUMP_ALIGN .ClearDLifInRootDirectory: call Registers_CopyESDItoDSSI call Directory_WriteCurrentPathToDSSI mov dl, [si] ret ;-------------------------------------------------------------------- ; .FindMatchingFilesAndPrintThemToOffScreenBuffer ; Parameters: ; CX: Initial directory count ; DL: Zero if root directory selected ; DS:SI: Ptr to DTA with first matching file ; Returns: ; CX: Incremented by number of files/directories found ; Corrupts registers: ; AX, BX, DX, DI, DS ;-------------------------------------------------------------------- ALIGN JUMP_ALIGN .FindMatchingFilesAndPrintThemToOffScreenBuffer: call AppendFileFromDTAinDSSItoOffScreenBuffer call Directory_UpdateDTAForNextMatchUsingPreviousParameters jnc SHORT .FindMatchingFilesAndPrintThemToOffScreenBuffer ret ;-------------------------------------------------------------------- ; AppendFileFromDTAinDSSItoOffScreenBuffer ; Parameters: ; CX: Files/directores found ; DL: Zero if root directory selected ; DS:SI: Ptr to DTA containing file information ; Returns: ; CX: Incremented by number of files/directories found ; Corrupts registers: ; AX, BX ;-------------------------------------------------------------------- ALIGN JUMP_ALIGN AppendFileFromDTAinDSSItoOffScreenBuffer: call .FilterCurrentDirectory ; We never want "." call .FilterUpDirectoryWhenInRoot ; No ".." when in root directory inc cx ; Nothing filtered so increment files/directories push bp push si push dx push cx call .FormatFileOrDirectoryToBufferFromDTAinDSSI pop cx pop dx pop si pop bp ret ;-------------------------------------------------------------------- ; .FilterCurrentDirectory ; .FilterUpDirectoryWhenInRoot ; Parameters: ; DL: Zero if root directory selected ; DS:SI: Ptr to DTA containing file information ; Returns: ; Nothing ; Returns from AppendFileToBufferInESDIfromDtaInDSSI when filtering ; Corrupts registers: ; AX ;-------------------------------------------------------------------- ALIGN JUMP_ALIGN .FilterCurrentDirectory: cmp WORD [si+DTA.szFile], CURRENTDIR_CHARACTERS je SHORT .ReturnWithFiltering ret ALIGN JUMP_ALIGN .FilterUpDirectoryWhenInRoot: test dl, dl ; Set ZF if root directory selected jnz SHORT .ReturnWithoutFiltering cmp WORD [si+DTA.szFile], UPDIR_CHARACTERS jne SHORT .ReturnWithoutFiltering .ReturnWithFiltering: add sp, BYTE 2 ; Remove return address from stack ALIGN JUMP_ALIGN, ret .ReturnWithoutFiltering: ret ;-------------------------------------------------------------------- ; .FormatFileOrDirectoryToBufferFromDTAinDSSI ; Parameters: ; DS:SI: Ptr to DTA containing file information ; Returns: ; Nothing ; Corrupts registers: ; AX, BX, CX, DX, SI, DI, BP ;-------------------------------------------------------------------- ALIGN JUMP_ALIGN .FormatFileOrDirectoryToBufferFromDTAinDSSI: mov bp, sp lea ax, [si+DTA.szFile] test BYTE [si+DTA.bFileAttributes], FLG_FILEATTR_DIRECTORY jnz SHORT .FormatDirectory ; Fall to .FormatFile ;-------------------------------------------------------------------- ; .FormatFile ; Parameters: ; BP: SP before pushing formatting parameters ; DS:AX: Far pointer to file name ; DS:SI: Ptr to DTA containing file information ; Returns: ; Nothing ; Corrupts registers: ; AX, BX, CX, DX, SI, DI ;-------------------------------------------------------------------- .FormatFile: xchg si, ax call String_ConvertDSSItoLowerCase xchg ax, si ; Push parameters for file name push ax ; Push file name offset push ds ; Push file name segment ; Push parameters for file size mov ax, [si+DTA.dwFileSize] mov dx, [si+DTA.dwFileSize+2] xor bx, bx xor cx, cx call Size_GetSizeToAXAndCharToDLfromBXDXAXwithMagnitudeInCX mov cl, 'i' cmp dl, ' ' eCMOVE cl, dl push ax push dx push cx ; Format to buffer mov si, g_szFileFormat jmp SHORT .FormatStringInCSSIandReturn ;-------------------------------------------------------------------- ; .FormatDirectory ; Parameters: ; BP: SP before pushing formatting parameters ; DS:AX: Far pointer to directory name ; DS:SI: Ptr to DTA containing file information ; Returns: ; Nothing ; Corrupts registers: ; AX, SI, DI ;-------------------------------------------------------------------- ALIGN JUMP_ALIGN .FormatDirectory: push ax ; Push directory name offset push ds ; Push directory name segment mov ax, g_szSub cmp WORD [si+DTA.szFile], UPDIR_CHARACTERS eCMOVE ax, g_szUp push ax mov si, g_szDirectoryFormat ALIGN JUMP_ALIGN .FormatStringInCSSIandReturn: CALL_DISPLAY_LIBRARY FormatNullTerminatedStringFromCSSI ret ;-------------------------------------------------------------------- ; SortDirectoryContentsStringFromESDIwithCountInCX ; Parameters: ; CX: Number of files and directories ; ES:DI: Buffer containing directory contents string ; SS:BP: Ptr to DIALOG ; Returns: ; ES:DI: Ptr to end of directory contents string ; Corrupts registers: ; AX, BX, CX, DX, SI, DS ;-------------------------------------------------------------------- ALIGN JUMP_ALIGN SortDirectoryContentsStringFromESDIwithCountInCX: call Registers_CopyESDItoDSSI call .AddDirectoryContentsStringLengthToDI mov bx, .FileStringComparator xchg dx, cx mov cx, FILE_STRING_LENGTH jmp Sort_ItemsFromDSSIwithCountInDXsizeInCXandComparatorInBX ALIGN JUMP_ALIGN .AddDirectoryContentsStringLengthToDI: mov ax, FILE_STRING_LENGTH mul cx add di, ax ret ;-------------------------------------------------------------------- ; .FileStringComparator ; Parameters: ; CX: Item size in bytes ; DS:SI: Ptr to first item to compare ; ES:DI: Ptr to second item to compare ; Returns: ; FLAGS: Signed comparition between first and second item ; Corrupts registers: ; Nothing ;-------------------------------------------------------------------- ALIGN JUMP_ALIGN .FileStringComparator: push di push si push cx push bx mov bx, FILE_STRING_LENGTH-2 ; Zero BH cmp WORD [si], UPDIR_CHARACTERS je SHORT .ForceValueFromDSSItoBeLess mov bl, [si+bx] cmp bl, [es:di+FILE_STRING_LENGTH-2] ; 'B' for files, 'R' for directories jne SHORT .ForceValueFromDSSItoBeMoreOrLess repe cmpsb ; Two directories or two files ALIGN JUMP_ALIGN .ReturnFromComparison: pop bx pop cx pop si pop di ret ALIGN JUMP_ALIGN .ForceValueFromDSSItoBeMoreOrLess: ja SHORT .ForceValueFromDSSItoBeLess ; Directory in SI, file in DI xchg bl, bh ; Fall to ForceValueFromDSSItoBeLess ALIGN JUMP_ALIGN .ForceValueFromDSSItoBeLess: cmp bh, bl jmp SHORT .ReturnFromComparison ;-------------------------------------------------------------------- ; RemoveLastLFandTerminateESDIwithNull ; Parameters: ; ES:DI: Ptr to end of buffer to terminate ; Returns: ; Nothing ; Corrupts registers: ; AX ;-------------------------------------------------------------------- ALIGN JUMP_ALIGN RemoveLastLFandTerminateESDIwithNull: dec di xor ax, ax stosb ret ;-------------------------------------------------------------------- ; GetInfoLinesToCXandDialogFlagsToAX ; Parameters: ; SS:BP: Ptr to DIALOG ; Returns: ; AX: Dialog flags ; CX: Number of info lines to be displayed ; Corrupts registers: ; SI, DS ;-------------------------------------------------------------------- ALIGN JUMP_ALIGN GetInfoLinesToCXandDialogFlagsToAX: xor ax, ax call GetDialogFlagsToAL jmp Bit_GetSetCountToCXfromAX ;-------------------------------------------------------------------- ; GetDialogFlagsToAL ; Parameters: ; SS:BP: Ptr to DIALOG ; Returns: ; AL: Dialog flags ; Corrupts registers: ; SI, DS ;-------------------------------------------------------------------- ALIGN JUMP_ALIGN GetDialogFlagsToAL: lds si, [bp+DIALOG.fpDialogIO] mov al, [si+FILE_DIALOG_IO.bDialogFlags] ret ;-------------------------------------------------------------------- ; ParseSelectionFromItemLineInDSSI ; Parameters: ; DS:SI: Ptr to char buffer containing file or directory to be selected ; SS:BP: Ptr to DIALOG ; Returns: ; Nothing ; Corrupts registers: ; All, except BP ;-------------------------------------------------------------------- ALIGN JUMP_ALIGN ParseSelectionFromItemLineInDSSI: mov ax, [si] cmp ax, UPDIR_CHARACTERS je SHORT .ChangeToUpdir call Char_IsUpperCaseLetterInAL jc SHORT .ParseAndChangeToSubdirInDSSI call Char_IsDecimalDigitInAL jc SHORT .ParseAndChangeToSubdirInDSSI ; Assume subdir and check for errors ; Fall to .ParseAndSelectFileFromDSSI ;-------------------------------------------------------------------- ; .ParseAndSelectFileFromDSSI ; Parameters: ; DS:SI: NULL terminated string selected from dialog ; SS:BP: Ptr to DIALOG ; Returns: ; Nothing (exits dialog) ; Corrupts registers: ; All, except BP ;-------------------------------------------------------------------- .ParseAndSelectFileFromDSSI: les di, [bp+DIALOG.fpDialogIO] add di, BYTE FILE_DIALOG_IO.szFile mov cx, FILENAME_BUFFER_SIZE-1 call Memory_CopyCXbytesFromDSSItoESDI xor ax, ax stosb ; Terminate with NULL jmp SHORT CloseFileDialogAfterSuccessfullSelection ;-------------------------------------------------------------------- ; .ChangeToUpdir ; Parameters: ; SS:BP: Ptr to DIALOG ; Returns: ; Nothing ; Corrupts registers: ; All, except BP ;-------------------------------------------------------------------- ALIGN JUMP_ALIGN .ChangeToUpdir: push cs pop ds mov si, g_szUpdir jmp SHORT .ChangeDirectoryToDSSI ;-------------------------------------------------------------------- ; .ParseAndChangeToSubdirInDSSI ; Parameters: ; DS:SI: NULL terminated string selected from dialog ; SS:BP: Ptr to DIALOG ; Returns: ; Nothing ; Corrupts registers: ; All, except BP ;-------------------------------------------------------------------- ALIGN JUMP_ALIGN .ParseAndChangeToSubdirInDSSI: mov BYTE [si+12], NULL ; Terminate with NULL (unnecessary spaces do not matter) .ChangeDirectoryToDSSI: call Directory_ChangeToPathFromDSSI jc SHORT .ParseAndSelectFileFromDSSI ; Must have been a file starting with number ; Fall to RefreshFilesToDisplay ;-------------------------------------------------------------------- ; RefreshFilesToDisplay ; Parameters: ; SS:BP: Ptr to DIALOG ; Returns: ; Nothing ; Corrupts registers: ; All, except BP ;-------------------------------------------------------------------- ALIGN JUMP_ALIGN RefreshFilesToDisplay: call ReInitializeMenuinitFromSSBP jmp MenuInit_RefreshMenuWindow ;-------------------------------------------------------------------- ; HandleFunctionKeyFromAH ; Parameters: ; AH: Scancode for function key ; SS:BP: Ptr to DIALOG ; Returns: ; Nothing ; Corrupts registers: ; AX, SI, DI, BP ;-------------------------------------------------------------------- ALIGN JUMP_ALIGN HandleFunctionKeyFromAH: call GetDialogFlagsToAL cmp ah, KEY_FILEDIALOG_NEW_FILE_OR_DIR je SHORT HandleFunctionKeyForCreatingNewFileOrDirectory cmp ah, KEY_FILEDIALOG_SELECT_DIRECTORY je SHORT HandleFunctionKeyForSelectingDirectoryInsteadOfFile cmp ah, KEY_FILEDIALOG_CHANGE_DRIVE je SHORT HandleFunctionKeyForDriveChange ReturnWithoutHandlingKeystroke: clc ; Event not processed ret ;-------------------------------------------------------------------- ; HandleFunctionKeyForCreatingNewFileOrDirectory ; Parameters: ; AL: File dialog flags ; SS:BP: Ptr to DIALOG ; Returns: ; Closes file dialog ; Corrupts registers: ; All, except BP ;-------------------------------------------------------------------- ALIGN JUMP_ALIGN HandleFunctionKeyForCreatingNewFileOrDirectory: test al, FLG_FILEDIALOG_NEW jz SHORT ReturnWithoutHandlingKeystroke mov cx, STRING_DIALOG_IO_size call Memory_ReserveCXbytesFromStackToDSSI call .InitializeStringDialogIoInDSSIforInputtingFileName CALL_MENU_LIBRARY GetStringWithIoInDSSI mov al, [si+STRING_DIALOG_IO.bUserCancellation] add sp, BYTE STRING_DIALOG_IO_size test al, al ; User cancellation? jnz SHORT ReturnWithoutHandlingKeystroke jmp CloseFileDialogAfterSuccessfullSelection ALIGN JUMP_ALIGN .InitializeStringDialogIoInDSSIforInputtingFileName: call InitializeNullStringsToDialogInputInDSSI mov WORD [si+DIALOG_INPUT.fszTitle], g_szEnterNewFileOrDirectory mov WORD [si+STRING_DIALOG_IO.fnCharFilter], NULL mov WORD [si+STRING_DIALOG_IO.wBufferSize], FILENAME_BUFFER_SIZE les ax, [bp+DIALOG.fpDialogIO] add ax, BYTE FILE_DIALOG_IO.szFile mov [si+STRING_DIALOG_IO.fpReturnBuffer], ax mov [si+STRING_DIALOG_IO.fpReturnBuffer+2], es ret ;-------------------------------------------------------------------- ; HandleFunctionKeyForSelectingDirectoryInsteadOfFile ; Parameters: ; AL: File dialog flags ; SS:BP: Ptr to DIALOG ; Returns: ; Closes file dialog ; Corrupts registers: ; All, except BP ;-------------------------------------------------------------------- ALIGN JUMP_ALIGN HandleFunctionKeyForSelectingDirectoryInsteadOfFile: test al, FLG_FILEDIALOG_DIRECTORY jz SHORT ReturnWithoutHandlingKeystroke ; Fall to CloseFileDialogAfterSuccessfullSelection ;-------------------------------------------------------------------- ; CloseFileDialogAfterSuccessfullSelection ; Parameters: ; SS:BP: Ptr to DIALOG ; Returns: ; Nothing (exits dialog) ; Corrupts registers: ; All, except BP ;-------------------------------------------------------------------- ALIGN JUMP_ALIGN CloseFileDialogAfterSuccessfullSelection: lds di, [bp+DIALOG.fpDialogIO] mov BYTE [di+FILE_DIALOG_IO.bUserCancellation], FALSE jmp MenuInit_CloseMenuWindow ;-------------------------------------------------------------------- ; HandleFunctionKeyForDriveChange ; Parameters: ; AL: File dialog flags ; SS:BP: Ptr to DIALOG ; Returns: ; Nothing ; Corrupts registers: ; All, except BP ;-------------------------------------------------------------------- ALIGN JUMP_ALIGN HandleFunctionKeyForDriveChange: test al, FLG_FILEDIALOG_DRIVES jz SHORT ReturnWithoutHandlingKeystroke call DisplayLoadingMessageInInformationArea mov cx, DRIVE_DIALOG_IO_size call Memory_ReserveCXbytesFromStackToDSSI call .DisplayDriveSelectionDialogWithIoInDSSI call .ChangeDriveToUserSelectionFromIoInDSSI add sp, BYTE DRIVE_DIALOG_IO_size ret ;-------------------------------------------------------------------- ; .DisplayDriveSelectionDialogWithIoInDSSI ; Parameters: ; DS:SI: Ptr to uninitialized DRIVE_DIALOG_IO ; SS:BP: Ptr to DIALOG ; Returns: ; DS:SI: Ptr to DRIVE_DIALOG_IO ; Corrupts registers: ; AX, DI ;-------------------------------------------------------------------- ALIGN JUMP_ALIGN .DisplayDriveSelectionDialogWithIoInDSSI: call InitializeNullStringsToDialogInputInDSSI mov WORD [si+DIALOG_INPUT.fszTitle], g_szSelectNewDrive CALL_MENU_LIBRARY GetDriveWithIoInDSSI ret ;-------------------------------------------------------------------- ; .ChangeDriveToUserSelectionFromIoInDSSI ; Parameters: ; DS:SI: Ptr to DRIVE_DIALOG_IO ; SS:BP: Ptr to DIALOG ; Returns: ; Nothing ; Corrupts registers: ; All, except BP ;-------------------------------------------------------------------- ALIGN JUMP_ALIGN .ChangeDriveToUserSelectionFromIoInDSSI: cmp BYTE [si+DRIVE_DIALOG_IO.bUserCancellation], FALSE jne SHORT .UserCancelledDriveChange mov dl, [si+DRIVE_DIALOG_IO.bReturnDriveNumber] call Drive_SetDefaultFromDL jmp RefreshFilesToDisplay .UserCancelledDriveChange: ret ;-------------------------------------------------------------------- ; DisplayLoadingMessageInInformationArea ; Parameters: ; SS:BP: Ptr to DIALOG ; Returns: ; Nothing ; Corrupts registers: ; AX, BX, CX, DX, SI, DI ;-------------------------------------------------------------------- ALIGN JUMP_ALIGN DisplayLoadingMessageInInformationArea: call MenuText_ClearInformationArea call MenuText_PrepareToDrawInformationArea mov si, g_szLoadingPleaseWait CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI ret ;-------------------------------------------------------------------- ; InitializeNullStringsToDialogInputInDSSI ; Parameters: ; DS:SI: Ptr to DIALOG_INPUT ; SS:BP: Ptr to DIALOG ; Returns: ; Nothing ; Corrupts registers: ; AX ;-------------------------------------------------------------------- ALIGN JUMP_ALIGN InitializeNullStringsToDialogInputInDSSI: mov ax, g_szNull mov [si+DIALOG_INPUT.fszTitle], ax mov [si+DIALOG_INPUT.fszTitle+2], cs mov [si+DIALOG_INPUT.fszItems], ax mov [si+DIALOG_INPUT.fszItems+2], cs mov [si+DIALOG_INPUT.fszInfo], ax mov [si+DIALOG_INPUT.fszInfo+2], cs ret