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BG0-3 SCX, SCY   Message List  
Reply | Forward Message #6739 of 15019 |
Re: [gbadev] BG0-3 SCX, SCY

"Dickinson, Vince" wrote:

> Eeeek mode 5 :) I haven't done anything with that, but you have to enable
> BG2. I believe you have to scroll with the scaling/rot. params BG2X, BGY.
> BG2HOFS and BG2YOFS may be ignored in mode 5.

First of all, thanks for your kind replies, gentlemen.

During the weekend I have tried to program the 0x4000028 and 0x400002C
registers. And guess what? It didn't work for Mode5 (of course :-) I can offset
the screen to any coordinate in any mode, except Mode5. Just wanted to let you
know 'bout it...

Thanks again,
--
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
Mon Sep 3, 2001 7:02 am

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mert@...
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Forward 		Message #6739 of 15019 |
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Would anyone like to explain the practical usage of registers 0x4000010 to 0x400001E? ps: According to AgentQ's GameBoy Advance Internals doc, "these registers... 		Mert Börü
mert@...
Send Email 		Aug 31, 2001
2:06 pm

I believe 0x4000010 is the xoffset for background 0, and x1E is the yoffset for background 3. Make sure you have the correct background enabled. (BTW, x12 is...
Dickinson, Vince
vinced@...
Send Email 		Aug 31, 2001
2:40 pm

Also, those reg's are ignored if you're doing scaling/rotation on the bkgd in mode 1/2. -V ... From: Mert Börü [mailto:mert@...] Sent: Friday,...
Dickinson, Vince
vinced@...
Send Email 		Aug 31, 2001
3:50 pm

Thanks for your fast reply... But, I am afraid no scroll happens. Is it because that I am using MODE 5? By the way, what I am trying to do is, to centralize...
Mert Börü
mert@...
Send Email 		Aug 31, 2001
4:01 pm

... Mode 5 can be scale/rotated/scrolled using the BG2 scaling/rotate/scolling registers. ... -- The Phoenix -- The Artistic Intuition Company Runica * Phoenix...
Jason Wilkins
fenix@...
Send Email 		Aug 31, 2001
4:42 pm

Eeeek mode 5 :) I haven't done anything with that, but you have to enable BG2. I believe you have to scroll with the scaling/rot. params BG2X, BGY. BG2HOFS...
Dickinson, Vince
vinced@...
Send Email 		Aug 31, 2001
4:41 pm

Mode 5, that's the mode that only uses part of the screen, right? And on hardware its centered, right? I'm wondering if you are saying that you're trying to...
Charlie Kilian
ck@...
Send Email 		Aug 31, 2001
5:03 pm

... Noo, top left. Unless that's changable via scroll registers or something... not looked into it. Would be interesting if you could... --Jim...
James Boulton
jim@...
Send Email 		Aug 31, 2001
5:24 pm

... on ... you're ... Ahh okay well that actually makes the original post make more sense then -- I was trying to throw in an emulator where none needed to be....
Charlie Kilian
ck@...
Send Email 		Aug 31, 2001
5:35 pm

... First of all, thanks for your kind replies, gentlemen. During the weekend I have tried to program the 0x4000028 and 0x400002C registers. And guess what? It...
Mert Börü
mert@...
Send Email 		Sep 3, 2001
7:19 am
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