Struct libnoentiendo::systems::pet::PetPia1PortA

pub struct PetPia1PortA { /* private fields */ }

Port A on the first PIA. This is used for generating the 60Hz interrupt (which is fired when the screen drawing reaches the last line), and for setting the active row of the keyboard matrix.

Implementations

impl PetPia1PortA

pub fn new() -> Self

pub fn get_keyboard_row(&self) -> Rc<Cell<u8>>

Trait Implementations

impl Port for PetPia1PortA

fn read(&mut self) -> u8

Read a byte from the port. This is implementation-defined, and may have side effects.

fn write(&mut self, value: u8)

Write a byte to the port. This is implementation-defined.

fn poll(&mut self, _cycles_since_poll: u64, total_cycle_count: u64) -> bool

Poll the port for interrupts. A port may trigger an interrupt for any implementation-defined reason.

fn reset(&mut self)

Reset the port to its initial state, analogous to a system reboot.