newbie building a scratch-built computer

Gordon JC Pearce gordon at
Sun Aug 5 13:59:08 CDT 2007

On Sun, 2007-08-05 at 12:29 -0400, Roy J. Tellason wrote:

> > The advantage over using EPROMs is that you can re-write the RAM as many
> > times as you like (EPROMS have a limited number of program cycles) and
> > rewrite it quickly. Unless your programming is a lot better than mine,
> > you will go mad if you have to wait 20 minutes for an EPROM to be erased
> > and reprogammed. each time you want to make a change!
> Unless you have a pile of EPROMs handy...   :-)

You want to try it with drum machines that store samples on EPROMs.
Spend five minutes blowing the ROM, plug it in, turn on, hit the pad,
"Byyoommf" - nah, that sounds rubbish, try again...


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