23 Jun
2007
23 Jun
'07
12:10 a.m.
On Jun 22, 2007, at 7:37 PM, Chuck Guzis wrote:
How many MPUs had no provision for interrupts? The
Rockwell PPS-8 is
one that comes to mind. What's surprising is that it was used in the
Diablo dot-matrix printer--something you'd think that was a very good
candidate for an interrupt-driven architecture.
Some of the lower-end PIC microcontrollers lack interrupts. Dunno
if microcontrollers fall under the OP's definition of "computers"
though.
-Dave
--
Dave McGuire
Port Charlotte, FL