🚀 go-pugleaf

a_rubin@dsg4.dse.beckman.com (Arthur Rubin) writes:

>In <1991Jun21.040657.3195@ux1.cso.uiuc.edu> mdcg7180@uxa.cso.uiuc.edu (Michael David Carr) writes:

[stuff about printing graphics sent to /dev/null ]

>>     It isn't the printer, because I can send a 26 in BASIC and
>>FORTRAN.

>I've noticed this also.  You might try (re)opening the printer in "b"inary mode
>rather than in "t"ext mode.  Sometimes that works.

Yep - opening in binary *should* work.  The problem isn't with Turbo C++ or
with the printer, but is to do with the way in which DOS handles files.
It assumes that the PRN file is a text-device, and, surprise surprise, the
ascii value 26 just corresponds to DOS's EOF (end-of-file) marker.  So,
you send a \0x1a and DOS thinks "Whoopee! end of file - lets ignore everything
after it!.  Voila!  Instant problems.

If that doesn't work, try writing directly to the printer port (the number
WAS here somewhere.....damned paperless office ;-)

Oh, and to the original poster (Mike Carr) and probably most people on the net:
	If you're new to a language/system/whatever and you have a problem
	which you can't figure, then by all means, ASK WHOEVER YOU CAN!
	At least you'll be learning something, and it gives knowledegeable
	people a chance to show off :-)  Besides, the net _IS_ for the 
	worthfile exchange of information.  Just my $0.02 worth.  actually, I
	probably owe someone that, given inflation these days......


Mike


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