Struct libnoentiendo::memory::BankedMemory

pub struct BankedMemory { /* private fields */ }

Represents the memory banking features found in the Commodore 64 and other devices. Multiple memory implementations are all mapped to the same address space. The active implementation is selected by external logic.

Implementations

impl BankedMemory

pub fn new(active: Rc<Cell<usize>>) -> Self

Create a new, empty banked memory.

pub fn bank(self, memory: impl Memory + 'static) -> Self

Add a new memory implementation to the banked memory.

Trait Implementations

impl Memory for BankedMemory

fn read(&mut self, address: u16) -> u8

Read a byte from this memory at the given address. Implementations may trigger side effects as a result of this read.

fn write(&mut self, address: u16, value: u8)

Write a byte to this memory at the given address.

fn reset(&mut self)

Reset this memory to its initial state, e.g. after a system reboot. Sometimes this will clear the contents of the memory, like with RAM. Other times this is a no-op, e.g. for ROM.

fn poll( &mut self, cycles_since_poll: u64, total_cycle_count: u64 ) -> ActiveInterrupt

Poll this memory to see if an interrupt has been triggered. Implementations may trigger an NMI or IRQ for any implementation-dependent reason.