Struct ExAttribute 

pub struct ExAttribute {
    pub palette: u8,
    pub chr_bank: u16,
}

Per-tile extended-attribute / extended-bank info supplied by mappers that implement an extended attribute mode (currently MMC5 in $5104 mode 01).

The PPU consults this at the nametable-byte fetch boundary of each BG tile. When Some, the PPU:

• Replaces the standard 2-bit attribute-derived palette with Self::palette.
• Routes the BG pattern fetch for that tile through Self::chr_bank (a 12-bit physical 4 KiB bank index — see MMC5 ExGrafix mode docs).

Fields

palette: u8

2-bit palette select (replaces the AT-byte palette).

chr_bank: u16

12-bit physical CHR bank for this tile (in 4 KiB units). Combined with the fine-Y / column offset by the mapper at fetch time.

Trait Implementations

impl Clone for ExAttribute

fn clone(&self) -> ExAttribute

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for ExAttribute

impl Debug for ExAttribute

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

Formats the value using the given formatter.

impl Eq for ExAttribute

impl PartialEq for ExAttribute

fn eq(&self, other: &ExAttribute) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for ExAttribute