Hi,

for left X:
add a negative position to 512. Eg., if Your coordinate is -4, it should be
512+(-4)=508

for top Y:
add a negative position to 256. Eg, if Your coordinate is -4, it should be
256+(-4)=252

Vova


----- Original Message -----
From: <kervinyy@...>
To: <gbadev@yahoogroups.com>
Sent: Tuesday, May 01, 2001 4:32 PM
Subject: [gbadev] Question about sprite coordinates


> Are the object coordinate value in OAM unsigned?
> If it is,how do you make the effect that a sprite's
> upper/left is out of the screen?If it's signed,8 bit
> sprite can only have a max vertical offset of 127...
> And,is that value relative to display screen?
>
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