Does anybody knows if turning the ROM prefetch system on consumes a significant amount of power ? Maybe this prefetch is enabled by default, I do not know. ...
I'm trying to display a single sprite to the screen, but it looks like it always has some sort of mosaic effect enabled. I have a 32x64 sprite set up to...
I'd like to buy a programmable card (and the programmer) for GBA. On lik-Sang I noticed Flash Advance 64Mb Ready to go Set. Is it good? I intend to use it with...
Hi All, Keep in mind that, AFAIK, there are 3 versions of the Visoly (for lack of a better name) 64M flash cart: 64M Large / 64M Small / Turbo 64M Small For...
Yesterday Jonas made an interesting point about bitmap rendering; Due to the GBA screen interlace, you could possibly get away with rendering only those lines...
I am announcing Dev-Kit Advance, my official unofficial Gameboy Advance software development kit. It is very early at the moment, but I am releasing what I...
Hi, I have got a problem here and I don't know why but sval (char*) is empty after executing the following code (compiled with ARM SDK). strlen and strncpy...
Sorry for the off topic post, but I received a bug report on GBDK from a guy called Decimal, but he left a fake address as his return address. Anyone know his...
I've noticed some strange behavior in the gba when it comes to global variables... At one point in my program, I test the keys for movement and then move BG0...
Hi all ! In the FAQ of devrs.com I read something like : ". If you need to use division then use the routines in the GBA BIOS. " I'd like to know if it is...
Is there a way to get static local variables to not get stored in ROM? I want to do something like: void do_something(void) { static uint32 first_call = 1; ...
I have compiled a version of gcc with an arm-gba-elf target, unfortunately the binary distribution is 11 megabytes total, and that exceeds my meager web space...
Hi I have made a header file which contains information about the characters of a font. as i did not want to use a struct or a class for that, I tried to use a...
I'm not sure if the DMA memory transfers are the fastest ones than can be achieved on the Game Boy Advance. Maybe the microprocessor can give a better...
Hi there, I've been up all night trying to get some GBA demo's to compile on my machine. I've got gcc working OK up until the link stage, whereby it dies...
http://www.devrs.com/gba/files/gbadevfaqs.php#CPPMain Q: Is there anything I should know to compile a c++ program? A: Your main program function should have...
I've converted my stuff over to ARM C++, just thought I'd mention one thing that really tripped me up. I have a vague inkling about this, but the general...
15 fps oughta feel quite sluggish in a game but for an animation it's more "acceptable", as for running at 30 fps on the gba i'm prolly gonna do it aswell...
I'm playing around with sprites, but I'm having one problem: Whenever I try to display any sprites at all, I get some "extra" sprites near the top of the...
I have posted my most recent versions of crt0.s and lnkscript for GCC: http://www.devrs.com/gba/ccode.php#cmisc These versions support proper handling of...
These may be silly questions or asked oddly... they're coming from a PC artists point of view, who deals in rahter larger images, so I'm trying to equate how...
OK guys... I have a protracker module player up and running on the GBA. Its a little slow at the moment as I am mixing all the channels myself and playing them...
Does anyone know the answer to: How do you get around the problem where as.exe causes all uses of constants such that: ldr r0, =SomeBigNumber appears put into...
Hi, I looked over some gba.h files and one guy defined a type vu16 (volatile unsigned short) which he used for the registers... is that more efficient, and if...
Okay, I've had this problem for a few days now... I have both the ARM SDT and GCC compilers installed and working correctly. But GCC is starting to annoy me. I...
Hi, Anyone used Musyx yet? What's your take on it? Regards, Matt J. Davies Programmer Acclaim Studios Ltd. Lansdown Road, Cheltenham, Gloucestershire, United...
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