swap colors of the indicator on the game boy
don't display the codes when switching levels using the cheat
fix typos in the README.md
comments to MakefileCustom; IS_FRAME_ODD/IS_FRAME_EVEN macros;
show level number on screen for some time; fire tiny lightnings while… … charging
some placeholder music for the CGB version
Merge branch 'main' of https://github.com/untoxa/GLUF into main