Path: utzoo!attcan!uunet!cs.utexas.edu!tut.cis.ohio-state.edu!ucbvax!pro-generic.cts.com!ericmcg
From: ericmcg@pro-generic.cts.com (Eric Mcgillicuddy)
Newsgroups: comp.sys.apple
Subject: softclocks
Message-ID: <187.infoapple.net@pro-generic>
Date: 12 Nov 89 06:57:14 GMT
Sender: daemon@ucbvax.BERKELEY.EDU
Organization: The Internet
Lines: 3

Does anyone know of a software clock for all Apple //'s? I think the VBL
interupt can be used, but I have little experience with this kind of thing. 
Are there any PD routines available?