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code clean-up

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This commit is contained in:
folkert van heusden 2022-03-16 20:09:09 +01:00
parent 40ce1425da
commit fb7f15f208
1 changed files with 10 additions and 20 deletions
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30
cpu.cpp
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@ -960,26 +960,16 @@ bool cpu::condition_code_operations(const uint16_t instr)
}
if ((instr & ~31) == 0b10100000) { // set condition bits
if (instr & 0b10000) {
if (instr & 0b1000)
setPSW_n(true);
if (instr & 0b0100)
setPSW_z(true);
if (instr & 0b0010)
setPSW_v(true);
if (instr & 0b0001)
setPSW_c(true);
}
else {
if (instr & 0b1000)
setPSW_n(false);
if (instr & 0b0100)
setPSW_z(false);
if (instr & 0b0010)
setPSW_v(false);
if (instr & 0b0001)
setPSW_c(false);
}
bool state = !!(instr & 0b10000);
if (instr & 0b1000)
setPSW_n(state);
if (instr & 0b0100)
setPSW_z(state);
if (instr & 0b0010)
setPSW_v(state);
if (instr & 0b0001)
setPSW_c(state);
return true;
}