[A83] Re: 8x8 Sprite Routine(mine)

To: assembly-83@lists.ticalc.org
Subject: [A83] Re: 8x8 Sprite Routine(mine)
From: Mike3465@aol.com
Date: Sat, 7 Apr 2001 16:26:55 EDT
Reply-To: assembly-83@lists.ticalc.org


HELP!
ok, i can get it to xor the sprite just fine, but sence i'm doing masking, i 
also need to do a and to it before i xor it to the screen, so heres the 
problem:
with a sprite like this:(i'm just doing and right now)
    00011000
    00100100
    01000010
    10011001
    10011001
    01000010
    00100100
    00011000
on a black background should result in:
    00011000
    00100100
    01000010
    10011001
    10011001
    01000010
    00100100
    00011000

but instead i get a blank screen when i run it.
this is the code i'm using to and the image(hl is the pointer to the right 
area on the screen, de is the pointer to the sprite):
    ld a,(de)
    and (hl)
    ld (hl),a

can anyone help me?
this works just fine with xor, any help would be appreicated

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