Re: unix on which CPUs?

Jeremy Fitzhardinge (jeremy@nospam.suite.sw.oz.au)
Wed, 27 Apr 1994 19:49:27 +1000 (EST)

Peter William Lees bubbles:
> [...]
> > Given that there is probably a UNIX port or derivative exists for EVERY
> > CPU and bus architecture since Z80 (counter examples anyone?) a card
> [...]
>
> Is that the Sinclair Z80 (circa 1983?)

No, the Zilog Z80, as used in the Sinclair ZX80 (1980), ZX81 (1981),
ZX Spectrum (1982), System 80, TRS-80, MSX machines, and so on.
Also used in billions of microwave ovens.

> If so, does anyone know the processor used by the Texas Instruments
> 99/4 & 99/4A home computers? I _think_ it was probably some weird
> proprietry system that TI made, and I'd be surprised if there was
> a unix port to it.

TI 9900. An interesting 16 bit CPU with 1 register, which was the
pointer to the memory containing the other "registers".

J