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volatile writes

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This commit is contained in:
Corwin 2022-02-15 21:31:59 +00:00
parent c1901819af
commit 80e53d4716
1 changed files with 6 additions and 4 deletions
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10
agb/src/display/object.rs
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@ -277,10 +277,12 @@ impl<'a, 'b> Object<'a, 'b> {
};
unsafe {
let attrs: [u8; 6] = core::mem::transmute(attrs);
(OBJECT_ATTRIBUTE_MEMORY as *mut u8)
.add(self.loan.index as usize * (4 * 2))
.copy_from_nonoverlapping(attrs.as_ptr(), attrs.len())
let attrs: [u16; 3] = core::mem::transmute(attrs);
let ptr = (OBJECT_ATTRIBUTE_MEMORY as *mut u16).add(self.loan.index as usize * 4);
ptr.add(0).write_volatile(attrs[0]);
ptr.add(1).write_volatile(attrs[1]);
ptr.add(2).write_volatile(attrs[2]);
};
}
}