Struct libnoentiendo::memory::NullPort

pub struct NullPort { /* private fields */ }

A Port that does nothing.

Implementations

impl NullPort

pub fn new() -> Self

Create a new NullPort that will not warn when read or written to.

pub fn with_warnings(message: &'static str) -> Self

Create a new NullPort that will warn when read or written to.

Trait Implementations

impl Default for NullPort

fn default() -> NullPort

Returns the “default value” for a type.

impl Port for NullPort

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.