23 Nov
2006
23 Nov
'06
2:13 a.m.
On 23/11/2006 01:00, Chuck Guzis wrote:
Because there's no effective way to time-slice or multitask arbitrary
programs. The Z80 card won't voluntarily give up control on a regular
basis, and the Apple ][ doesn't support interrupts.
The first Amiga(s) had no MMU, but at least did have timeslicing.
--
Pete Peter Turnbull
Network Manager
University of York
On 23 Nov 2006 at 13:36, Ethan Dicks wrote:
It was mine :-)
I don't think that's my quote.
I apologize--I lost the original post. Time-sliced
how? To alternate displaying the output of one processor,
then the other on the primary display?
No, but the setups I recall (such as the MS Z80 card) would leave the
6502 loafing around, waiting for something to do. Why not run an
Apple app while the Z80's running CP/M?