From:	"Thorsten Erdmann" <thorsten DOT erdmann AT gmx DOT de>
Newsgroups:	comp.os.msdos.djgpp
Subject:	How to create an interrupt service routine
Date:	Sun, 20 Feb 2000 11:12:02 +0100
Organization:	EWE TEL
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To:	djgpp AT delorie DOT com
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Hi,

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.

Thanks
Thorsten

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