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Lokathor 2022-10-13 20:29:40 -06:00
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src/video/mod.rs
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@ -63,7 +63,8 @@
//! * Affine backgrounds always have a single screenblock each, and the size of //! * Affine backgrounds always have a single screenblock each, and the size of
//! the screenblock itself changes with the background's size (from 16x16 to //! the screenblock itself changes with the background's size (from 16x16 to
//! 128x128, in powers of 2). Each entry in an affine screenblock is just a //! 128x128, in powers of 2). Each entry in an affine screenblock is just a
//! `u8` tile index, with no special options. //! `u8` tile index, with no special options. Affine backgrounds can't use
//! 4bpp color, and they also can't flip tiles on a per-tile basis.
//! //!
//! A background's screenblock is selected by an index (5-bit). The indexes go //! A background's screenblock is selected by an index (5-bit). The indexes go
//! in 2,048 byte (2k) jumps. This is exactly the size of a text screenblock, //! in 2,048 byte (2k) jumps. This is exactly the size of a text screenblock,