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cpu/decoder - little code improvement

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madmaurice 2023-08-29 21:14:19 +02:00
parent a9b0b37a2e
commit 7902ac4641
1 changed files with 3 additions and 5 deletions
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2
cpu/decoder.cpp
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@ -256,11 +256,9 @@ void Cpu::executeInstruction()
state.zero = (data == 0); state.zero = (data == 0);
break; break;
case 0x40: // BIT case 0x40: // BIT
{
state.zero = (data & (1 << bit)) == 0; state.zero = (data & (1 << bit)) == 0;
state.subtract = false; state.subtract = false;
state.halfcarry = true; state.halfcarry = true;
}
break; break;
case 0x80: // RES case 0x80: // RES
data &= ~(1 << bit); data &= ~(1 << bit);