Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!cs.utexas.edu!uunet!mcsun!sunic!ifi!debet!sam_hr
From: sam_hr@debet.nhh.no (Heine Rasmussen)
Newsgroups: comp.sys.ibm.pc
Subject: Need some help on the 8259A
Message-ID: <80@debet.nhh.no>
Date: 25 Sep 89 15:56:41 GMT
Organization: NHH, Bergen, Norway
Lines: 6

I am modifying Somebody Elses Code, and have a question:

What happens when you write to port 20h?  I understand you set a
register in the 8259A, but what does the bits in this register mean?

Heine