Re: A86: Clearing the Graph
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Re: A86: Clearing the Graph
On Fri, 14 May 1999 20:29:16 EDT Nicolas P Zagorin <ziggy2282@juno.com>
writes:
> Is their a ROM call to clear the graph of the junk your assembly
>program outputs to it? Also, when doing grayscale, do you have to
yes, but this is probly faster:
xor a
ld hl,_plotSScreen
ld (hl),a
ld de,_plotSScreen+1
ld bc,$3ff
ldir
rom call: (i think this works...)
ld a,$11
ld (_ASAP_IND),a
call _exec_pg4
>have a sprite
>for each gray plane?
if you want the sprite to have all the gray shades in it, yes.
-josh
>~Nick
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