[comp.sys.ibm.pc] Serial Printer FIX

ttl@astroatc.UUCP (Tony Laundrie) (06/14/90)

I took the following archive from a Simtel mirror.  If I say
	mode com1 baud=2400 parity=even
	xonxoff2.com
then try to print stuff (print /d=lpt1 file), everything is groovy.

Write out this file, uudecode it, and arce it.

--- cut here ---
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`
end
--- cut here ---

few@quad1.quad.com (Frank Whaley) (06/15/90)

Turns out some (cheap, like I bought) serial cards don't handle OUT1
the way I originally thought.  Line 199 of xonxoff2.asm, which reads:
	OR	AL,0FH			; set DTR, RTS, OUT1, OUT2
ought to read:
	OR	AL,0BH			; set DTR, RTS, OUT2
The previous version might keep all COM interrupts disabled.
-- 
Frank Whaley
Senior Development Engineer
Quadratron Systems Incorporated
few@quad1.quad.com
uunet!ccicpg!quad1!few

Water separates the people of the world;
Wine unites them.