Donkey Kong graphical glitches

Senryoku / SenBoy

GameBoy/GameBoy Color emulator written in C++. A web version powered by emscripten is also available at http://senryoku.github.io/SenBoyWeb/

http://senryoku.github.io/SenBoyWeb/

MIT License

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Open Senryoku opened 8 years ago

Senryoku commented 8 years ago

Following #1: There is still some weird things going on:

On startup, random tiles are displayed.
At the end of every level, the bottom of the screen turns white (IIRC, the game sets LYC == 0x8F or something, maybe this is related? (I don't remember if it uses LYC interrupts or checks the bit in LCDSTAT))

Senryoku commented 8 years ago

Messing with the VBlank interrupt timing changed the issue. There is definitely something fishy about the handling of interrupts...