//! Keyboard constants pub const SCANCODE_RELEASED: u8 = 0x80; pub const SCANCODE_LSHIFT: u8 = 0x2A; pub const SCANCODE_RSHIFT: u8 = 0x36; pub const SCANCODE_LCTRL: u8 = 0x1D; pub const SCANCODE_LALT: u8 = 0x38; pub const SCANCODE_CAPS: u8 = 0x3A; pub const LOWERCASE_TO_UPPERCASE: u8 = 32;