You decrement the delay and the sound timer in Processor::tick.
But the function is managed by only one clock that you have set to 2 milliseconds, it means the has a 500hz clock.
But according to this document http://devernay.free.fr/hacks/chip8/C8TECH10.HTM#2.5 it is supposed to have a 60hz clock.
It impacts the gameplay on some games like Space Invaders, the player moves too slowy compared to the ennemies.
You decrement the delay and the sound timer in
Processor::tick.But the function is managed by only one clock that you have set to
2milliseconds, it means the has a 500hz clock. But according to this document http://devernay.free.fr/hacks/chip8/C8TECH10.HTM#2.5 it is supposed to have a 60hz clock.It impacts the gameplay on some games like Space Invaders, the player moves too slowy compared to the ennemies.