Re: A83: Negative or positive?
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Re: A83: Negative or positive?
That's highly inefficient. The easiest way is to just quickly test the last
bit:
ld a,(Speed)
rra
jr c,negative
; not negative
> Sorry bout the extremely late post, but can't you just use the sign flag?
>
> ld a,(number)
> cp 50
> jp z,a_is_fifty
> jp p,a_is_greater_than_fifty
> jp m,a_is_less_than_fifty
>
> The p stands for plus and the m minus (meaning positive or negative). I
know
> all this does is check the 7th bit, but i think it might save a few bytes.
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