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more screenblock stuff.

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This commit is contained in:
Lokathor 2022-09-27 19:53:27 -06:00
parent d9649bc2d5
commit c7ac655ecc
1 changed files with 45 additions and 9 deletions
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54
src/mmio.rs
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@ -217,14 +217,19 @@ def_mmio!(0x0600_4000 = CHARBLOCK1_4BPP: VolBlock<Tile4, Safe, Safe, 512>; "Char
def_mmio!(0x0600_8000 = CHARBLOCK2_4BPP: VolBlock<Tile4, Safe, Safe, 512>; "Charblock 2, 4bpp view (512 tiles).");
def_mmio!(0x0600_C000 = CHARBLOCK3_4BPP: VolBlock<Tile4, Safe, Safe, 512>; "Charblock 3, 4bpp view (512 tiles).");
def_mmio!(0x0600_0000 = CHARBLOCK0_8BPP: VolBlock<Tile8, Safe, Safe, 512>; "Charblock 0, 8bpp view (256 tiles).");
def_mmio!(0x0600_4000 = CHARBLOCK1_8BPP: VolBlock<Tile8, Safe, Safe, 512>; "Charblock 1, 8bpp view (256 tiles).");
def_mmio!(0x0600_8000 = CHARBLOCK2_8BPP: VolBlock<Tile8, Safe, Safe, 512>; "Charblock 2, 8bpp view (256 tiles).");
def_mmio!(0x0600_C000 = CHARBLOCK3_8BPP: VolBlock<Tile8, Safe, Safe, 512>; "Charblock 3, 8bpp view (256 tiles).");
def_mmio!(0x0600_0000 = CHARBLOCK0_8BPP: VolBlock<Tile8, Safe, Safe, 256>; "Charblock 0, 8bpp view (256 tiles).");
def_mmio!(0x0600_4000 = CHARBLOCK1_8BPP: VolBlock<Tile8, Safe, Safe, 256>; "Charblock 1, 8bpp view (256 tiles).");
def_mmio!(0x0600_8000 = CHARBLOCK2_8BPP: VolBlock<Tile8, Safe, Safe, 256>; "Charblock 2, 8bpp view (256 tiles).");
def_mmio!(0x0600_C000 = CHARBLOCK3_8BPP: VolBlock<Tile8, Safe, Safe, 256>; "Charblock 3, 8bpp view (256 tiles).");
pub type TextScreenBlock = VolBlock<TextEntry, Safe, Safe, {8*8}>;
pub type AffineScreenBlock0 = VolBlock<u8, Safe, Safe, {16*16}>;
pub type AffineScreenBlock1 = VolBlock<u8, Safe, Safe, {32*32}>;
pub type AffineScreenBlock2 = VolBlock<u8, Safe, Safe, {64*64}>;
pub type AffineScreenBlock3 = VolBlock<u8, Safe, Safe, {128*128}>;
/// ## Panics
/// * Must be in range `0..=31`
/// * Must be less than 32
#[inline]
#[must_use]
pub const fn text_screenblock(index: usize) -> TextScreenBlock {
@ -232,10 +237,41 @@ pub const fn text_screenblock(index: usize) -> TextScreenBlock {
unsafe { VolBlock::new(0x0600_0000 + index * size_of::<[TextEntry;8*8]>()) }
}
pub type AffineScreenBlock0 = VolBlock<u8, Safe, Safe, {16*16}>;
pub type AffineScreenBlock1 = VolBlock<u8, Safe, Safe, {32*32}>;
pub type AffineScreenBlock2 = VolBlock<u8, Safe, Safe, {64*64}>;
pub type AffineScreenBlock3 = VolBlock<u8, Safe, Safe, {128*128}>;
/// ## Panics
/// * Must be less than 256
#[inline]
#[must_use]
pub const fn affine_screenblock0(index: usize) -> AffineScreenBlock0 {
assert!(index < 256);
unsafe { VolBlock::new(0x0600_0000 + index * size_of::<[u8;16*16]>()) }
}
/// ## Panics
/// * Must be less than 64
#[inline]
#[must_use]
pub const fn affine_screenblock1(index: usize) -> AffineScreenBlock1 {
assert!(index < 64);
unsafe { VolBlock::new(0x0600_0000 + index * size_of::<[u8;32*32]>()) }
}
/// ## Panics
/// * Must be less than 16
#[inline]
#[must_use]
pub const fn affine_screenblock2(index: usize) -> AffineScreenBlock2 {
assert!(index < 16);
unsafe { VolBlock::new(0x0600_0000 + index * size_of::<[u8;64*64]>()) }
}
/// ## Panics
/// * Must be less than 4
#[inline]
#[must_use]
pub const fn affine_screenblock3(index: usize) -> AffineScreenBlock3 {
assert!(index < 4);
unsafe { VolBlock::new(0x0600_0000 + index * size_of::<[u8;128*128]>()) }
}
def_mmio!(0x0600_0000 = MODE3_BITMAP: VolBlock<Color, Safe, Safe, {240 * 160}>; "Mode 3 bitmap, 240x160.");