4 Jun
2006
4 Jun
'06
8:31 a.m.
On Sat, 3 Jun 2006, Chuck Guzis wrote:
If I'm not mistaken the sort-of-processor-from-TTL-bits the Diablo HyType II
had used a pair of AOI gates for the logical part of its ALU (along with a
pair of 74LS283s)
Peter Wallace
Mesa Electronics
> Anybody
know?
The AND-OR-INVERT is a very useful function. Think about it--you have not
only a good hunk of a multiplexer, but also most of a XOR gate as well as
a half-adder. It took awhile to get integration up to the point where full
adders (much less ALUs) were available on a single chip.
Cheers,
Chuck