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cpu: Fix bug in psr mode bits

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This commit is contained in:
Michel Heily 2019-06-27 15:03:44 +03:00
parent 948e0ccc25
commit 1d766e95de
1 changed files with 2 additions and 2 deletions
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4
src/arm7tdmi/psr.rs
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@ -111,11 +111,11 @@ impl RegPSR {
} }
pub fn mode(&self) -> CpuMode { pub fn mode(&self) -> CpuMode {
CpuMode::from_u32(self.raw & 0xb11111).unwrap() CpuMode::from_u32(self.raw.bit_range(0..5)).unwrap()
} }
pub fn set_mode(&mut self, mode: CpuMode) { pub fn set_mode(&mut self, mode: CpuMode) {
self.raw |= mode as u32; self.raw.set_bit_range(0..5, (mode as u32) & 0b1_1111);
} }
pub fn irq_disabled(&self) -> bool { pub fn irq_disabled(&self) -> bool {