#59922 - bluescrn - Sat Nov 05, 2005 4:40 pm
I've just reinstalled my dev env, with all the latest everything... Got the samples building, and some running, but can't get the 3D samples (in particular, textured_cube) to run on hardware...
Now I remember last time I set it up (about 3-4 months ago?) ndslib was a bit broken, and I had to roll back a couple of files from CVS and rebuild my own... but I was expecting that'd be all fixed by now?
I don't think it's just my install - the textured_cube sample has been confirmed not to work on hardware by another coder.
(edit - key input problem was swiWaitForVBlank() hanging on emulators)
Last edited by bluescrn on Sat Nov 05, 2005 5:16 pm; edited 2 times in total
#59925 - crudhacker - Sat Nov 05, 2005 5:03 pm
| bluescrn wrote: |
| - Key input doesn't seem to work in the emulators (bg_rotation, in both Dualis and iDeaS) |
DS emulators are still kind of new and have bugs. Its best to run homebrew stuff on the real hardware(DS)
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#59926 - bluescrn - Sat Nov 05, 2005 5:14 pm
My problems seem interrupt related... I'd forgot that swiWaitForVBlank() doesn't work on emulators - I'd previously used this instead:
#define REG_VCOUNT (*(vu16*)0x4000006)
while(REG_VCOUNT!=192);
while(REG_VCOUNT==192);
But with the latest libnds, it seems to be the cause of problems with the textured_cube sample *on hardware* - if I remove the swiWaitForVblank(), then it works....
#59927 - dovoto - Sat Nov 05, 2005 6:14 pm
How are you booting the examples? Is the nehe example or one of the others?
All of the nehe work for me on hardware using flashme and a flashcart but I have had one other person complain about the same issue. If you could give me a bit more detail it would be appreciated.
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#59937 - bluescrn - Sat Nov 05, 2005 7:55 pm
| dovoto wrote: |
How are you booting the examples? Is the nehe example or one of the others?
All of the nehe work for me on hardware using flashme and a flashcart but I have had one other person complain about the same issue. If you could give me a bit more detail it would be appreciated. |
I just tried a random NeHe sample now (Lesson10), and it worked with no modifications.
I was trying the older samples, in particular the Drunken Coders 'textured_cube', which I knew used to work... So it doesn't look like there's a real problem, just that that sample might need updating for recent versions of libnds?
I'm currently using WifiMe to boot the samples
#59940 - dovoto - Sat Nov 05, 2005 8:08 pm
hmm...i think i will just delete examples covered by nehe code...thanks for that
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#59998 - LOst? - Sun Nov 06, 2005 4:32 am
| bluescrn wrote: |
| I've just reinstalled my dev env, with all the latest everything... Got the samples building, and some running, but can't get the 3D samples (in particular, textured_cube) to run on hardware... |
I have a simular problem. I can only get my 3D app to run on hardware if I keep some code I am not using, and don't try to add anything. once I have changed anything in my code, no matter what it is, I get white screens on the real hardware. Works in emulator though. I wonder what this is all about? I have a version of libnds that dates back to the summer of 2005.
I just tried "Simple Tri" on my PassMe and Flashcart, and this code (unmodified example) failed to boot and gave me white screens:
| Code: |
#include <NDS.h>
int main()
{
float rotateX = 0.0;
float rotateY = 0.0;
powerON(POWER_ALL);
//set mode 0, enable BG0 and set it to 3D
videoSetMode(MODE_0_3D);
//irqs are nice
irqInitHandler(irqDefaultHandler);
irqSet(IRQ_VBLANK, 0);
//this should work the same as the normal gl call
glViewPort(0,0,255,191);
glClearColor(0,0,0);
glClearDepth(0x7FFF);
while(1)
{
glReset();
//any floating point gl call is being converted to fixed prior to being implemented
gluPerspective(35, 256.0 / 192.0, 0.1, 40);
gluLookAt( 0.0, 0.0, 1.0, //camera possition
0.0, 0.0, 0.0, //look at
0.0, 1.0, 0.0); //up
glPushMatrix();
//move it away from the camera
glTranslate3f32(0, 0, floatof32(-1));
glRotateX(rotateX);
glRotateY(rotateY);
glMatrixMode(GL_MODELVIEW);
//not a real gl function and will likely change
glPolyFmt(POLY_ALPHA(31) | POLY_CULL_NONE);
if(!(KEYS & KEY_UP)) rotateX += 3;
if(!(KEYS & KEY_DOWN)) rotateX -= 3;
if(!(KEYS & KEY_LEFT)) rotateY += 3;
if(!(KEYS & KEY_RIGHT)) rotateY -= 3;
//draw the obj
glBegin(GL_TRIANGLE);
glColor3b(31,0,0);
glVertex3v16(intov16(-1),intov16(-1),0);
glColor3b(0,31,0);
glVertex3v16(intov16(1), intov16(-1), 0);
glColor3b(0,0,31);
glVertex3v16(intov16(0), intov16(1), 0);
glEnd();
glPopMatrix(1);
glFlush();
//swi seems to be broken, will let you know when i get this POS figured out
//swiWaitForVBlank();
}
return 0;
}//end main
|
This code has worked before. I wonder what my problem is? Any guesses?
EDIT: It sure has nothing to do about the code. I change it all over, and it still won't boot. May be the side of the ROM file, or may have something to do with the Makefile settings. I really don't know. If I remove all OpenGL functions, it boots up correctly, but if I add just one random OpenGL function, GAME OVER!
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#60026 - Didou - Sun Nov 06, 2005 11:11 am
Hi,
I experimented asimilar problem in ReboNDS. It appeared to me that I had to replace
| Code: |
| irqSet(IRQ_VBLANK, 0); |
by
| Code: |
void vblank_handler ()
{
}
irqInit () ;
irqSet (IRQ_VBLANK, vblank_handler) ; |
I do not even call | Code: |
| irqInitHandler(irqDefaultHandler); |
And then it works fine. You can grab my sources on my code-page (http://francois.pessaux.neuf.fr/creations.html
-- Didou
#60033 - LOst? - Sun Nov 06, 2005 3:07 pm
I am downloading devkitARM r17 and the newest libNDS. I might get futher with them, or I may kill all my old projects by updating.
EDIT:
Didou, thank you! That solved the problem. At least what I have tested so far. And now I can use swiWaitForVBlank(); while using 3D, which will save battery time. Nice!
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#60195 - LOst? - Mon Nov 07, 2005 11:56 pm
Well, I still get white screen as soon as I try to add something. It's so irritating. Even when I delete the added things, I can sometimes get it to work, which already worked before.
So I guess I have to upload something that doesn't work so that people can analyse it.
EDIT: Made a thread about the problem.
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