[Coco] [Color Computer] CoCo keyboard
Dave Poitras
dave at cococentral.org
Sun Jul 18 13:35:38 EDT 2004
----- Original Message -----
From: "Bob"
To: <ColorComputer at yahoogroups.com>
Sent: Sunday, July 18, 2004 11:32 AM
Subject: Re: [Coco] [Color Computer] CoCo keyboard
> --- In ColorComputer at yahoogroups.com, "John Kent" <John0457 at h...>
> wrote:
> > Depends on which version has the most games for it.
> > I guess I should keep it simple to start off with.
>
> Here's a CoCo1 Technical Manual...
> http://homepage.ntlworld.com/kryten_droid/coco/coco_tm.htm
>
> I think this is for an early revision (C or D) board.
>
> > What I need to do is to simulate a switch matrix from
> > these ASCII codes that emulate the key contact closures.
> > I could hand wire a keyboard switch matrix to the
> > I/O port of the FPGA, but I would much prefer to use
> > a PS/2 keyboard instead
> I understand..
I have used a PS2 keyboard on the Cloud-9 AT keyboard interface. I
just use an adaptor that plugs in the AT socket and accepts the PS2
plug. Works fine for me.
Dave
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