Re: MISC instruction set

[Penio Penev <penev@xxxxxxx>]

On Thu, 19 Dec 1996, Alan DeMars wrote:

> After coding in assembly language with the P21 for some time I'm
> beginning to wish the minimal instruction set included 1- and a 1+
> instructions. If I had to select one or the other I'd have to say 1- so
> that normal downcounting is easily supported. 

If the purpose is to execute a tight loop, loop unrolling may be the
solution (as has been on many other plaforms).  If the loop is not so
tigth, then it shouldn't matter.

What else would might one like 1- for?

--
Penio Penev <Penev@pisa.Rockefeller.edu> 1-212-327-7423