Hi Andy,

> I'm just getting started programming for DOS but have worked a bit with
> different printing languages and would love to get started on a project
> that converts ESC/P to something more modern like PCL or PS on the fly.  I
> will definitely need help on the TSR side as I know what they do, but not
> how they work.

You could have a look at our GRAPHICS TSR, written in Assembly
language: It comes with two small C programs which can convert
the ESC/P and HP PCL produced by GRAPHICS into raw pixel array
images. This is meant for debugging GRAPHICS, so it only will
understand the 2 or 3 commands used by GRAPHICS itself, but it
may still be interesting as inspiration for your project :-)

Cheers, Eric

PS: Those 2 programs are for GCC, easy to port to DJGGP, non-TSR.



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