[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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