nesdev.org

Hello everybody, it's been a while since my last post! It's been a lot of changes in the O-Nes-sama emulator, pretty exciting. The reason for this post is to ask details about fineX and fineY. Right now i have a predictive algorithm for the zero hit calculation. It doesn't "render" or proc...

Thank you tepples for your very fast and friendly reply. The previous version of my zero hit "algorithm" was a hack, and that time the status bar was not flickering or anything. Now that you mention, im using a predictive algorithm for triggering the zero hit. I checked it, and it IS using...

Hello everyone, My friend and I have been doing a lot of improvements in our NES emulator that someday we will share with all of you! I have a question, when i started coding the sprite zero hit in order to run the SMB1 i just did something simple like trigger it at the very first pixel of the sprit...

lidnariq wrote: * Copy the 128s and 64s bit of the value of memory at the specified address to the N and V bits, respectively.

I knew it was a stupid question!, even though i got reply.
Thank you guys you're awesome!!

My friend and i started coding a NES emulator, the cpu is almost ready, so the APU, so i started coding the PPU but i realized something. The init code http://wiki.nesdev.com/w/index.php/Init_code has this little piece of code: @vblankwait1: bit $2002 bpl @vblankwait1 If the accumulator is always ze...