William Donzelli wrote:
> What I meant was that the control for a 2311 in an 1131 is the cheap
> kludge - one shots, delays, and the like - when compared to the "real"
> controller, the 2841. This control unit was very complex - probably more
> so that an entire 1130 system.
Since when are one-shots are a problem, they have there place.
Thinking back more; most timing was asynchronous that needed
a lot set/reset flip flops and delay buffers to keep things in sync.
It is tricks to save a gate or two that is the problem.
> I have no real engineering data (Big Blue Binders) on the 2841, but it
> actually would not suprise me is the 1131 or 1800 was the processor inside
> (or maybe a modified version).
I suspect a hard code sequencer.
> William Donzelli
> aw288_at_osfn.org
--
Ben Franchuk - Dawn * 12/24 bit cpu *
www.jetnet.ab.ca/users/bfranchuk/index.html
Received on Sun Jan 27 2002 - 19:07:06 GMT