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| author | Uri Shaked | 2020-09-02 15:37:34 +0300 |
|---|---|---|
| committer | Uri Shaked | 2020-09-02 15:37:34 +0300 |
| commit | 09f2385282b0c98a3fdc4b89091d0c62b61725f5 (patch) | |
| tree | c5e25b45fc7aad682cb0d8fcbe8af712767b8500 /src/cpu/interrupt.ts | |
| parent | fix(instruction): EICALL is broken (diff) | |
| download | avr8js-09f2385282b0c98a3fdc4b89091d0c62b61725f5.tar.gz avr8js-09f2385282b0c98a3fdc4b89091d0c62b61725f5.tar.bz2 avr8js-09f2385282b0c98a3fdc4b89091d0c62b61725f5.zip | |
fix(interrupt): broken on ATmega2560
close #58
Diffstat (limited to '')
| -rw-r--r-- | src/cpu/interrupt.ts | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/cpu/interrupt.ts b/src/cpu/interrupt.ts index 1c7d835..1bfa035 100644 --- a/src/cpu/interrupt.ts +++ b/src/cpu/interrupt.ts @@ -12,7 +12,10 @@ export function avrInterrupt(cpu: ICPU, addr: number) { const sp = cpu.dataView.getUint16(93, true); cpu.data[sp] = cpu.pc & 0xff; cpu.data[sp - 1] = (cpu.pc >> 8) & 0xff; - cpu.dataView.setUint16(93, sp - 2, true); + if (cpu.pc22Bits) { + cpu.data[sp - 2] = (cpu.pc >> 16) & 0xff; + } + cpu.dataView.setUint16(93, sp - (cpu.pc22Bits ? 3 : 2), true); cpu.data[95] &= 0x7f; // clear global interrupt flag cpu.cycles += 2; cpu.pc = addr; |