29 Jul
2006
29 Jul
'06
3:10 a.m.
On Jul 28 2006, 22:25, Patrick Finnegan wrote:
There is one, for writing. For reading bytes, the CPU just reads a
word and discards the upper byte. For writing, it asserts BWTBT and
only the lower byte is written.
--
Pete Peter Turnbull
Network Manager
University of York
On Friday 28 July 2006 21:42, Roy J. Tellason wrote:
It may be that
I'm mis-remembering, this _was_ thirty years ago or
so I was last messing with that machine. Wasn't there a line on
that bus to indicate one or the other byte, though?
Yeah, BDAL00. From looking at a QBUS pinout, I don't see any other
signals to indicate even/odd.