Mail Archives: djgpp/2000/02/20/13:03:34
On Sun, 20 Feb 2000, Thorsten Erdmann wrote:
> does anyone have a little code sample which shows how to create an ISR which
> is able to communicate with the main program via a global variable. I need
> an ISR for the printer port (IRQ7), which reads data from a global buffer
> and writes them to the printer port.
Do you need to write a TSR with DJGPP? That's not easy at all, since it
requires DPMI 1.0 features. You can only do that with CWSDPMI (and
perhaps 386Max). An example of how to do it is available; let me know if
you want the URL (I don't have it handy).
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