On Nov 9, 16:34, Ethan Dicks wrote:
> I have been in discussion with some folks about 1802's and the
possibility
> of producing a modern PCB for the Popular Electronicss Elf design. Hans
> Franke seems to think that there would be some interest in Germany for
> a few units, enough to make me consider burning a board. I would be
> curious to hear what other list members though about price, features,
etc.
> The good news is that Harris still makes the 1802 for less than $10, and
> the TIL311 displays that the Elf calls for are available for less than
$10
> each, used.
> How authentic should a modern Elf be? Try to use 1822/2101 RAM or use
> cheaper 6264 SRAM chips?
Very hard to get 1822/2101s, I expect. A compromise might be to use 2114
or similar. All the worst feartures of both - not original and not very
tolerant of power rail inadequacies :-)
> Add space for an optional 1861 video chip,
> a-la the fourth part of the orginal Elf article? Add space for a 1854
> UART? Add an I/O port?
A UART is always good on any machine...
> Classic clones, anyone?
I'd be interested.
--
Pete Peter Turnbull
Dept. of Computer Science
University of York
Received on Mon Nov 09 1998 - 18:42:44 GMT