Z80 TRAP and CP/M

[Brent Hilpert]

Don Y wrote:
> 
> Chuck Guzis wrote:
> > On 4/4/2006 at 6:46 PM Don Y wrote:
> >
> >> I don't think they are the same beasts.  But, I think they (or
> >> something with a P/N similar to that) sticks in my mind as a
> >> viable alternative to Z80's at one time...
> >
> > Maybe you're thinking of the Zilog "official" part numbers.  The 8400 was
> > the CPU, the 8430, the CTC; the 8470, the DART, etc.
> 
> No, this was a 3xxx part number.  And I am pretty sure it
> was a Mostek part.  I know it wasn';t a "Z80" but it was
> something that grabbed our interest at the time (we were
> having problems getting certain Zilog peripherals...)

Mostek's #s for the Z80 family were MK388x:
  MK3880 : Z80 CPU
  MK3881 : PIO
  MK3882 : CTC
  etc.

(ref: IC Master 1982)

Presumably chosen by Mostek to be as close as possible to the MK385x, MK387x
F8 family numbers just to make the probability of confusing everyone as high
as possible.