INesHeader

rustynes_cpu::ines

Struct INesHeader 

Source 
pub struct INesHeader {
    pub prg_rom_size: u8,
    pub chr_rom_size: u8,
    pub mapper: u8,
    pub mirroring: u8,
    pub battery: bool,
    pub trainer: bool,
    pub four_screen: bool,
}
Expand description

iNES ROM header (16 bytes).

Fields§

§prg_rom_size: u8

PRG-ROM size in 16 KB units

§chr_rom_size: u8

CHR-ROM size in 8 KB units (0 means CHR-RAM)

§mapper: u8

Mapper number

§mirroring: u8

Mirroring type (0 = horizontal, 1 = vertical)

§battery: bool

Has battery-backed RAM

§trainer: bool

Has trainer

§four_screen: bool

Four-screen VRAM

Implementations§

Source§

impl INesHeader

Source

pub fn parse(header: &[u8; 16]) -> Result<Self, String>

Parse iNES header from bytes.

§Errors

Returns an error if the header does not contain the iNES magic number (“NES\x1A”).

Trait Implementations§

Source§

impl Clone for INesHeader

Source§

fn clone(&self) -> INesHeader

Returns a duplicate of the value. Read more
1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
Source§

impl Debug for INesHeader

Source§

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

Blanket Implementations§

Source§

impl<T> Any for T
where T: 'static + ?Sized,

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

impl<T> Borrow<T> for T
where T: ?Sized,

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

Source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
Source§

impl<T> CloneToUninit for T
where T: Clone,

Source§

unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

impl<T, U> Into<U> for T
where U: From<T>,

Source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Source§

impl<T> ToOwned for T
where T: Clone,

Source§

type Owned = T

The resulting type after obtaining ownership.
Source§

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
Source§

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
Source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
Source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

Source§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
Source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.