home *** CD-ROM | disk | FTP | other *** search
- PROGRAM NAME: Portswap.ASM
-
- DESCRIPTION: Swapping printer ports on the IBM PC.
-
- ISSUE: August, 1985
- PAGE: 13
-
- SOFTWARE VERSIONS: dBASE II, IBM PC format
-
- FUNCTION: This routine allows you to toggle output between LPT1
- and LPT2 allowing access to two printers through dBASE II.
-
- FILES NEEDED: Portswap.ASM
-
- SETUP INSTRUCTIONS: To run this program, POKE or LOAD it into
- memory, and then CALL it. The default printer port is LPT1.
- When redirecting to LPT2, be sure to restore LPT1 after the print
- run is finished.
- For example:
-
- * ---LOAD or POKE into memory.
- LOAD Portswap
- SET CALL TO 64000
-
- * ---Print a statement through to the default port, LPT1.
- DO Statement
-
- * ---Print a private insurance superbill through LPT2.
- CALL <---------------------------- Redirect to LPT2.
- DO PrivIns
- CALL <---------------------------- Restore LPT1.
-
-
-
- POKE Sequence:
-
- POKE 64000, 6, 80, 83, 87,184, 64, 0, 80, 7, 191,;
- 8, 0, 38,139, 5, 71, 71, 38,139, 29,;
- 38,137, 5, 79, 79, 38,137, 29,95,91,88,;
- 7,195