nesdev.org

Changelog:
0.21
Correct some bugs in the MMC3 (NTSC and PAL) and now
all the roms that I'have tried works well.

no, my problem was that without the opcode 0x80, when I pressed the A button to jump, the emulator crashed.

Changelog:
0.20
Implemented illegal opcode 0x80 for the "Beauty and the Beast (E) [!].nes" rom

Changelog: 0.19 complete APU emulation. This is my first attempt with sdl sound and perhaps there may be some bugs. For now, without the implementation of frameskip, the emulator has to work 100% for not having problems with sound skip and crackle. Changed the structure of the code and now the emu t...

OK I learned my lesson and I promise that when I have finished successfully implement the APU, will study a better way that don't stress much the host CPU. For the moment I think that the sleep() that I use is a good compromise. In my defense I can only say that this is my first project in C, my fir...

and that's exactly what I do in the version uploaded last night after three beers

I think the problem is my emulator (maybe) and that is why I continue to search a solution in the code. I'have uploaded the latest attempt if someone want try. When i drink three beer i think better (maybe)

I've uploade a modified version. Please thefox can you try it and tell me if eat less cpu? Many thanks.

Changelog:
0.18:
added AxROM (mapper 7) emulation.

Changelog:
0.17:
fixed another bug and now Incredible Crash Dummies run without problems.

thanks Dwedit. I'have investigated on the problem with Kick Master and this release is the result. I have to do a couple of things on the mmc3 and then I can work to the next mapper.

Changelog:
0.16:
correct a couple of bugs in the mmc3 emulation.

Changelog:
0.15:
added MMC3 emulation.

Many thanks Dwedit, I've found and correct the bug and now I can return to work on the mmc3 implementation.

Changelog:
0.14:
Correct a a bug in the controller routine.

New version added.

Changelog:
0.13:
Correct a little bug and now all cpu_interrupts_v2 test roms passed.

New version added.

Changelog:
0.12:
Implemented reading of $2004 during the rendering.
(thx to Quietust for the info and for the read2004.nes test rom).