Re: A83: Calculating this formula...
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Re: A83: Calculating this formula...
If you're using the accumulator, you can save a byte and some cycles:
add a,a ; a *2
As for division, this will work, but remember that at the end you will need
to mask off the upper bits:
rra ; a / 2
rra ; a / 4
rra ; a / 8
and %00011111 ; mask off top 3 bits since we shifted 3 times
> also remember that a / 2 or a * 2 is much faster with shift operations
>
> ie. sla a = a*2
> srl a = a/2
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