Merge branch 'master' into joamag/game_genie

.github/workflows/main.yml

.gitlab-ci.yml

Cargo.toml

README.md

frontends/libretro/Cargo.toml

frontends/libretro/README.md

frontends/libretro/res/boytacean_libretro.info

frontends/libretro/src/consts.rs

frontends/libretro/src/lib.rs

frontends/sdl/Cargo.toml

frontends/sdl/README.md

frontends/sdl/res/test/blargg/cpu/cpu_instrs.png

frontends/sdl/res/test/blargg/dmg_sound/01-registers.png

frontends/sdl/res/test/blargg/dmg_sound/02-len ctr.png

frontends/sdl/res/test/blargg/dmg_sound/03-trigger.png

frontends/sdl/res/test/blargg/instr_timing/instr_timing.png

frontends/sdl/res/test/cgb_acid2.png

frontends/sdl/res/test/dmg_acid2.png

frontends/sdl/res/test/firstwhite.png

frontends/sdl/src/audio.rs