[Coco] Gal Logic

[Mark Marlette]

At 02:23 PM 2/7/2004 -0600, you wrote:

Eric,
Don't know....You will have to write the equations and try and fit it to 
the 22V10 or let it auto fit......

Mark


>Mark
>I plan to use OPAL Jr. software with a homebuilt GAL blaster
>because I am a cheapskate and because of the fun and the
>learning experience. If possible I would like to put the
>clock generator into the same GAL chip with an address
>decoder for a Mini-Coco. Will all of this fit into a 22V10 or
>do I need a larger chip?
>Eric
>
>
>---- Original message ----
> >Date: Thu, 29 Jan 2004 23:35:03 -0600
> >From: Mark Marlette <mmarlett at isd.net>
> >Subject: Re: [Coco] Gal Logic
> >To: CoCoList for Color Computer Enthusiasts
><coco at maltedmedia.com>
> >
> >At 11:55 AM 1/29/2004 -0600, you wrote:
> >
> >I do. Whgt development tools are you using? Abel? Most of
>what you are
> >trying to do are operators. What is your target device? How
>are you going
> >to program it once you have the equations written and
>compiled? Programmers
> >run $100- $50k depending on what you want to do and how
>many. Mine is $1300.
> >
> >??
> >
> >Regards,
> >
> >Mark
> >Cloud-9
> >
> >
> >>Does anyone know how to program a coco type clock generator
> >>into a GAL chip? I understand combinational logic fairly
> >>well, and am able to use "boolean" logic equations. My
> >>understanding of "clocked" OR "Registered" logic is a bit
> >>rusty.
> >>What I want do do is build a dual J-K flip flop E and Q
>clock
> >>generator in a GAL device not in TTL!
> >>Also is there a library somewhere of equations for flipflops
> >>etc?
> >>Eric
> >>KB0LXY
> >>
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> >
> >
> >
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