Struct Chip8 

pub struct Chip8 { /* private fields */ }

Chip8 emulator.

Implementations

impl Chip8

pub fn new(clock: u64) -> Self

Returns a Chip8 instance.

Arguments

• clock - refers to the instructions per second. The common value used is 700.

pub fn tick(&mut self, graphics: &mut impl Graphics, audio: &mut impl Audio)

Fetches, decodes and executes Chip8 instructions from RAM.

This function is supposed to be called FPS times per second.

Panics

Panics when an invalid (or unimplemented) instruction encountered.

pub fn store_in_ram(&mut self, rom: impl AsRef<[u8]>) -> Result<()>

Stores data in RAM.

Errors

If the data is bigger than the available space it returns Error.

pub fn handle_key_released(&mut self)

Handles released key.

The real key press/release logic is supposed to be handled by the client.

pub fn handle_key_pressed(&mut self, key: u8)

Handles pressed key.

The real key press/release logic is supposed to be handled by the client.

Arguments

• key - The key is supposed to be a value in the range 0..16. Chip8’s original keypad has 16 buttons.

Trait Implementations

impl Debug for Chip8

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for Chip8

fn default() -> Chip8

Returns the “default value” for a type.