Hello, dunno if this is of any use to anyone, but I've written a little lib to emulate the GBA video hardware on a PC, because I found rebuilding/running and...
You know that code won't work on any ARM chip with a cache? :) If you ever want it to run on the GP32 you'll have to be aware of this. ... From: James Daniels...
Hi, We're writing a project that needs multiplayer communication but with multiple interrupts enabled in the crt0.s We are using Jeff's crt0 in combination...
ninge wrote: Hi! ... Probably because the serial ISR gets interrupted by your 'massive' Vcount-ISR. To avoid this simply patch the Crt0 to not reenable the...
Sebastian Kienzl
zap@...
Dec 2, 2002 5:04 pm
13434
alright? Thanks to everyone who mailed us suggestions for this - we finally fixed it by patching the Nintendo multiple interrupts crt0 into Jeff's crt0. We had...
Greetings, I have an application for the GBA which needs to save data in the battery backed SRAM at 0x0E000000. It saves OK on an older 64M flash advance card...
Do the emulators emulate this feature (battery backed RAM)? ... http://docs.yahoo.com/info/terms/...
Mike Schwartz
mykes@...
Dec 3, 2002 9:52 pm
13437
MS> Do the emulators emulate this feature (battery backed RAM)? yes. VBA and boycott for sure. nara, porneL -- Miód z uszu usuwam tylko po to, by wymontować...
... [...] ... [...] ... Have you tried comparing the data you wrote with the data you read back, byte for byte, to see *which* bytes differ? I've had carts ...
... VBA does, it suprised me. I checked around and found it created a "gnu_stub.sav" file that was 64K and had my data image it. It was running linked to...
... No, not yet. I guess thats a good next step, have to code that. Since it works on the one card and VBA, sure seems card specific. In looking for card docs,...
There's an article in GameTM magazine this month about the AGB 3d engine and James Daniels Payback! The magazine writes about whats happening to GTA on the gba...
I'm back with a new website! it's at: http://www.akkit.org/sgstair This website highlights GBA dev, PC dev, and Electronics Dev. I will hopefully be updating...
Wow, looks almost unbelievable. Let's hope other developers follow in your footsteps. I was curious how many fps you are up to now as your second post didn't...
Hi TJ, ... About 15 fps on average (up to 30 fps at peak). Not bad considering there can be as many as 1000 triangles/frame. -- Cheers, James. /\ apex...
PG> Does anyone have code for detecting the presence of an emulator? under boycott advance DMA copy from null adress gives 0xFFFF and 0x0000 on real hw. ...
... Easy. dir /s /b \visualboyadvance.exe Oh, you mean you want the GBA program to detect which GBA model or emulator it's running on. In other words, you...
... This works pretty well. It has to be run from RAM, of course. detectGBA: ;returns 0 if emulated mov r0,#0 str r0,_0 _0: mov r0,#1 mov pc,lr ... ...
Hi peeps, Has anyone managed to the f2a hi-speed linker cable this working with an ECP port under win2k. I've got a vaio laptop (the cheapskates didn't put an...
If you want to plot a single pixel in mode3 you have to read back the whole halfword from VRAM, mask it, and write it back. The fastest routine i could come up...
David
mpe501@...
Dec 6, 2002 11:02 pm
13452
... Heh ;-) ... Nah, if I wanted #2 I wouldn't be discussing it in a public forum. ;-) Actually our code can compensate for the (horribly flawed) gamma on the...
could you possibly quote some figures that substantiate that? A normal GBA game appears to sell for $30 or thereabouts - in the UK that's much closer to $45...
or there's the completely abominable syntax of objcopy := #--------------------------------------------------------------------------- ... %.o : %.bin ...
... From: "David" <mpe501@...> To: <gbadev@yahoogroups.com> Sent: Friday, December 06, 2002 10:57 PM Subject: [gbadev] The fastet way to plot a single...
Mike Wynn
mike.wynn@...
Dec 7, 2002 3:56 am
13456
Hi David, ... Won't your code read and write from/to an uneven address if r0 is odd? Here's my code that takes x,y coordinates, checks they're on the screen, ...
Numbers I've seen are that very few games do 250K units and most do 50K or less. Cheers => -----Original Message----- => From: Dave Murphy...
Mike Schwartz
mykes@...
Dec 7, 2002 11:24 am
13459
From: "Dave Murphy" <wintermute2002@...> ... Wholesale cost to stores, especially with these kinds of products, is routinely 1/3 of the shelf price,...
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