MISC instruction set

[Alan DeMars <alan@xxxxxxxxxxxxxxxxxxx>]

TWIMC:

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. This business of
manufacturing -1s using:

		dup dup -or com

is cute but it eats up lots of mips and I have to either reexecute this
sequence to recreate the -1 after using it up or keep an easily dupable
-1 close by.

Alan DeMars