Search found 2 matches

by IntensifyingRug
Tue Sep 04, 2018 4:04 pm
Forum: GBDev
Topic: How do GPU/PPU timings work on the Gameboy?
Replies: 17
Views: 15572

Re: How do GPU/PPU timings work on the Gameboy?

So just to help clarify. The gpu switches modes and then while doing its own stuff, the CPU functions normally except for some limited read and write capabilities? Also for the point of emulators, should I execute the 2 GPU cycles and then a CPU cycle or vice-versa?
by IntensifyingRug
Tue Sep 04, 2018 3:19 pm
Forum: GBDev
Topic: How do GPU/PPU timings work on the Gameboy?
Replies: 17
Views: 15572

How do GPU/PPU timings work on the Gameboy?

I’m writing a gameboy emulator and I’ve come to implementing the graphics. However I can’t quite figure out how it works with the cpu as far as timing/clock cycles go. Does the CPU execute a certain amount of cycles (if so how many) and then hand it of to the GPU? Or is the gameboy always in a hblan...