gbadev : Message: mode4 + sprite data overlap

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mode4 + sprite data overlap

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Message #6755 of 15019 |

I hope the following question is not one of those that has been asked a
few million times ;-) If so, please pardon me...

While using double buffered Mode 4, I can NOT display my sprites
properly. BKG2 Page #2 data overlaps with sprite character data at
address 0x6010000. What is the solution for this problem?

Kind Regards,
--
Mert Börü
Digital Media Development

info(+)TRON A.Ş.
"Birlikte Geleceği Yaratıyoruz"

Prof. Dr. F. K. Gökay Cad. No:27/3
Altunizade 81190 Istanbul
TURKEY

Tel: +90-216-492-1002 e-mail:mert@...
Fax: +90-216-343-2132 http://www.infotron.com.tr

Wed Sep 5, 2001 3:46 pm

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Message #6755 of 15019 |

Expand Messages	Author	Sort by Date
I hope the following question is not one of those that has been asked a few million times ;-) If so, please pardon me... While using double buffered Mode 4, I...	Mert Börü mert@...	Sep 5, 2001 6:21 pm
... With mode 3,4,5 sprite data starts at 0x06014000 with a name beginning at 512 .. so start naming your sprites at 512 .. copy your sprites at 0x06014000 and...	Pierre-Emmanuel CHAUT pe_chaut@...	Sep 6, 2001 4:05 am
you only have half the normal sprite char area and it starts at 0x06014000 ... From: "Mert Börü" <mert@...> To: "GBAdev" <gbadev@yahoogroups.com>...	Dan Cotter dancotter@...	Sep 6, 2001 4:05 am
Mert, having a quick look at a doc, I found... In mode 4 (And 5 for that matter) the usable OBJ memory decreases, so it does not start at 0x06010000 but...	Aaron Koolen blitzed@...	Sep 6, 2001 4:05 am
I think you are restricted to 16K of sprites in the top 16K of the OAM memory. It seems that the lowest 64K of VRAM always belongs to the bitmap & tiled...	Matthew Porth matthew@...	Sep 6, 2001 4:06 am
... Regards to everybody, who has kindly showed me the way out of the problem. (Thank you Andrew, Jeff, Pierre-Emmanuel, Aaron, Mattew and Dan... ;-) -- Mert...	Mert Börü mert@...	Sep 6, 2001 6:32 am

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