On Fri, 6 Dec 2002, Bob Ammerman wrote:

> > The hardware multiply isn't very helpful if you want to do more than 8bit
> > multiplications, as it requires that you write everything the standard way
> > instead of utilising the multiply function of the chip.
>
> This is not true. You can use the hardware multiply for larger arguments.
> Just imaging doing multiplication in base 256 and you'll see what I mean.
>
> (hint: it will take 4 MUL instrucftions (plus some other instructions) to do
> 16 x 16 multiply. In general, for  A-bits x B-bits multiply, where A and B
> are multiples of 8, you will need (A/8)*(B/8) MUL instructions.)

(hint hint: it can actually be done with 3 MUL instrucftions (sic))

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