Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!samsung!think.com!yale!cmcl2!adm!smoke!gwyn
From: gwyn@smoke.brl.mil (Doug Gwyn)
Newsgroups: comp.sys.apple2
Subject: Re: More extended graphics on the IIgs
Message-ID: <14922@smoke.brl.mil>
Date: 21 Jan 91 22:14:49 GMT
References: <1991Jan18.170510.1@gacvx1.gac.edu> <14908@smoke.brl.mil> <1991Jan20.112227.10202@nntp-server.caltech.edu>
Organization: U.S. Army Ballistic Research Laboratory, APG, MD.
Lines: 9

In article <1991Jan20.112227.10202@nntp-server.caltech.edu> toddpw@nntp-server.caltech.edu (Todd P. Whitesel) writes:
>Doug, they don't know HOW to do it. The VOC runs asynchronously to the
>motherboard (so it can genlock) and all we can get from the VOC itself is
>a precious few bytes of hardware registers. Currently I only know how to
>poll it for VOC VBL.

I could have sworn that the docs (VOC Developer's Kit from APDA) said
that there was a separate scan-line interrupt available for the VOC.
I'll try to figure this all out and post more info at some point.