feat(cpu): implement EOR

This commit is contained in:
Rekai Nyangadzayi Musuka 2022-01-18 14:27:07 -04:00
parent 6189bf0315
commit 85dae5e1d7
1 changed files with 11 additions and 0 deletions

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@ -33,6 +33,17 @@ pub fn dataProcessing(comptime I: bool, comptime S: bool, comptime instrKind: u4
// C set by Barrel Shifter, V is unaffected // C set by Barrel Shifter, V is unaffected
} }
}, },
0x1 => {
// EOR
const result = op1 ^ op2;
cpu.r[rd] = result;
if (S and rd != 0xF) {
cpu.cpsr.n.write(result >> 31 & 1 == 1);
cpu.cpsr.z.write(result == 0);
// C set by Barrel Shifter, V is unaffected
}
},
0x2 => { 0x2 => {
// SUB // SUB
const result = op1 -% op2; const result = op1 -% op2;