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- {===========================================================================
- Date: 10-10-93 (13:21)
- From: GUY MCLOUGHLIN
- Subj: Ansi in TP 6.0
- ---------------------------------------------------------------------------}
-
- (* Program to demonstrate how to do display ANSI files *)
- program ShowANSI;
- uses
- crt; (* Required for "ClrScr" and "Delay" routines. *)
-
- const (* ANSI display delay factor in 1/1000th's of a second *)
- co_DelayFactor = 40;
-
- type (* Type definition. *)
- st_80 = string[80];
-
- (***** Check for I/O errors. *)
- (* *)
- procedure CheckErrors(st_Msg : st_80);
- var by_Temp : byte;
- begin
- by_Temp := ioresult;
- if (by_Temp <> 0) then
- begin
- writeln('Error = ', by_Temp, ' ', st_Msg); halt
- end
- end; (* CheckErrors. *)
-
- var (* Temporary string varialble. *)
- st_Temp : string;
-
- (* Temporary text file variable. *)
- fite_Temp,
- (* Text "device-driver". *)
- fite_ANSI : text;
-
- (* Main program execution block. *)
- BEGIN
- (* Assign "text-device" driver to standard output. *)
- assign(fite_ANSI, '');
-
- (* Attempt to open the ANSI "text-device" driver. *)
- {$I-}
- rewrite(fite_ANSI);
- {$I+}
- (* Check for I/O errors. *)
- CheckErrors('Opening ANSI device driver');
-
- (* Assign ANSI ART file to display. *)
- assign(fite_Temp, 'TEST.ANS');
- {$I-}
- reset(fite_Temp);
- {$I+}
- (* Check for I/O errors. *)
- CheckErrors('Opening TEST.ANS file');
-
- (* Clear the screen. *)
- clrscr;
-
- (* Diplay the ANSI ART file. While the end of the *)
- (* ANSI ART file has not been reached, do... *)
- while not eof(fite_Temp) do
- begin
- (* Read line of text from the ANSI ART file. *)
- readln(fite_Temp, st_Temp);
-
- (* Check for I/O errors. *)
- CheckErrors('Reading from TEST.ANS file');
-
- (* Delay for co_DelayFactor milli-seconds. *)
- delay(co_DelayFactor);
-
- (* Write the line of ANSI text to the "text-device *)
- (* driver". *)
- writeln(fite_ANSI, st_Temp);
-
- (* Check for I/O errors. *)
- CheckErrors('Writing to ANSI "text-device driver"')
- end;
-
- (* Close the ANSI ART text file. *)
- close(fite_Temp);
-
- (* Check for I/O errors. *)
- CheckErrors('Closing TEST.ANS');
-
- (* Close the ANSI "text device driver". *)
- close(fite_ANSI);
-
- (* Check for I/O errors. *)
- CheckErrors('Closing ANSI "text-device driver"')
- END.