[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: 80col Card
- Subject: Re: 80col Card
- From: Linards Ticmanis <ticmanis@coli.uni-sb.de>
- Date: Fri, 08 Jun 2001 11:47:22 +0200
- Newsgroups: comp.sys.apple2
- Organization: University of Saarland, Computing Center, Germany.
- References: <9foj0u$26n$1@tron.sci.fi> <tJQT6.44105$DG1.7280862@news1.rdc1.mi.home.com> <9fou8a$fo7$1@News.Dal.Ca> <DpUT6.44465$DG1.7457392@news1.rdc1.mi.home.com>
- Xref: archiver1.google.com comp.sys.apple2:8627
william strutts wrote:
>
> Okay, I see that reference now. I was looking in the
> wrong place for an explaination of what it was. I figured
> that the symbols probably were reference to the connections
> on the card edge connector of the card but what they
> meant was a mystery. The FRCTXT looked like it
> would mean Force Text but what AN3 was I didn't know.
AN3 means annunciator 3 and refers to a little used output on the game
port. The AN outputs were originally designed to put flashing LEDs or
similar things into paddles, however nobody really though that that
was a great idea. So Apple recycled AN3 to turn on the double hires
mode instead.
--
Linards Ticmanis
The Master said, "The business of laying on the colors follows the
preparation of the plain ground."