VT78/MR78/OS78 (was Re: Vintage Computer Forum)
ethan.dicks at gmail.com
Wed Nov 25 16:11:25 CST 2009
On 11/25/09, Alexandre Souza - Listas <pu1bzz.listas at gmail.com> wrote:
>> I've found reference for those as well as a mention of a diagnostic
>> ROM set. I would like to be able to put together a box with 4x or 8x
>> the normal ROM, use modern ROMs and burn all known booters rather than
>> hack on my one-and-only MR78. Fortunately, it hangs off of a DB25, so
>> it should be trivial to redesign and build in the same space.
> I'd do that with a microcontroller, an EPROM and like :) Nice project :D
No microcontroller required - it's already just a handful of TTL chips.
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