13 Mar
2003
13 Mar
'03
2:16 p.m.
Dwight K. Elvey wrote:
Both Eric and Jim were right. It is a 6507 uP. I
looked
some more at the board and did some tracing.
...
The clock input are in fact 180
degrees out of phase ( Q and Q\ of a JK-flop ). The sync
signals come from the high order address bits as well.
...
Very clever!
Isn't that how the Fairlight CMI (Computer Musical Instrument) works?
Only with 6800s instead of 6502/6507? Does anyone on the list have
a CMI?
--
John Honniball
coredump(a)gifford.co.uk