From: "Thorsten Erdmann" 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 Lines: 12 Message-ID: <88oenb$9cd$1@ac1.ewetel.de> NNTP-Posting-Host: dialin-80209.ewetel.net X-Trace: ac1.ewetel.de 951041579 9613 212.6.80.209 (20 Feb 2000 10:12:59 GMT) X-Complaints-To: abuse AT ewetel DOT net NNTP-Posting-Date: 20 Feb 2000 10:12:59 GMT X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 5.00.2014.211 X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2014.211 To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Reply-To: djgpp AT delorie DOT com 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