9 Dec
2008
9 Dec
'08
12:44 p.m.
Michael Lee wrote:
So in the end, is there any source of old ASCII, 8b,
TTL keyboards?
Been monitoring the thread, but there doesn't seem to be any source
available for them anymore or anything I might be able to salvage one
from that isn't a desirable vintage item.
I ask because I would like some for the Obtronix Apple I kits, and
don't want to have to take apart my working Apple ][ and/or ][plus
units for that.
To provide some "on topic-ness", since I've probably
caused the thread
to stray significantly.
I can't help with old ASCII KBs, but I'm happy to modify existing code
to offer an interface for NOS or new. With a 40 pin .6" spacing DIP and
1 external resistor, I should be able to provide 12x8 matrix scanning,
ASCII output with strobe, IRQ for RESET/etc., and RS232 TTL level output
of data. The solution should have enough pins left over to provide PS/2
KB input as well as RS232->ASCII conversion as well.
A quick search does not bring up any NOS vintage KBs, though.
Jim