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- PTR-CTRL.COM FILES ARE USED TO SEND ESCAPE OR CONTROL CODES TO THE
- ASSIGNED PRINTER. JUST ABOUT EVERY PRINTER THAT HAS SOFTWARE
- ASSIGNED PRINT CODES WILL BENIFIT FROM THIS. THE MOST OBVIOUS
- CHOICES ARE FOR SPECIALIZED PRINT MADOES (COMPRESSED, DOUBLE
- WIDE AND THE LIKE). REMEMBER, IF YOU SET THE PRINTER PRIOR TO
- ENTERING A PROGRAM, BE SURE THAT THE PROGRAM DOES NOT ISSUE A
- SOFTWARE RESET.
-
- THE ROUTINE TO CREATE THESE COM FILES IS AS FOLLOWS:
-
- DEBUG <FILESPEC.COM>
- -A
- -MOV AH,5 (WE WILL SEND INFORMATION TO PRINTER)
- -MOV DL,1B (STORE THE ESCAPE CHARACTER TO DL)
- -INT 21 (SEND THE CHARACTER TO THE PRINTER)
- -MOV DL,0F (STORE CODE FOR COMPRESSED PRINT TO DL REGISTER)
- -INT 21 (SEND CHARACTER TO PRINTER)
-
- (INSERT AS MANY CODE SEQUENCES AS NECESSARY AND END WITH)
- -INT 20 (RETURN TO DOS)
- -<RETURN>
- RCX
- nn (NUBER OF BYTES TO ASSEMBLE, EACH LINE HAS 2 HEX BYTES
- THEREFORE THIS PROGRAM WOULD HAVE C HEX BYTES)
- -W (WRITE FILE TO DISK)
- -Q (QUIT)
-
- AFTER YOU ARE BACK TO THE DOS PROMPT, HAVE YOUR PRINTER ON AND READY
- AND ISSUE THE COMMAND...
- THERE, THATS ALL THERE IS TO IT. SOUCE FOR INFORMATION...
- PC MAGAZINE APRIL 2 1985...