retro-go now always maintains the expected time a frame should take (time between ticks). I've added `rg_system_set_tick_rate` to replace `app->tickrate = N` to ensure frameTime is recalculated when tickrate changes.
retro-go now always maintains the expected time a frame should take (time between ticks). I've added `rg_system_set_tick_rate` to replace `app->tickrate = N` to ensure frameTime is recalculated when tickrate changes.