Cargo Features

[dependencies]
tetanes = { version = "0.9.0", default-features = false, features = ["cycle-accurate", "profile-rate-control"] }
default = cycle-accurate

The cycle-accurate feature is set by default whenever tetanes is added without default-features = false somewhere in the dependency tree.

cycle-accurate default
profile-rate-control

TetaNES has 3 features without comments.