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Merge 38a2dfb2f3 into 4847744518

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omarandlorraine 2024-04-25 07:14:26 +01:00 committed by GitHub
parent 4847744518 38a2dfb2f3
commit 6adb0f4ae7
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1 changed files with 22 additions and 0 deletions
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src/cpu.rs
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@ -1131,6 +1131,28 @@ mod tests {
assert_eq!(cpu.registers.accumulator, 0);
}
#[cfg_attr(feature = "decimal_mode", test)]
fn invalid_decimal_values_test() {
let mut cpu = CPU::new();
cpu.registers.status.remove(Status::PS_CARRY);
cpu.add_with_carry(0x0e);
assert_eq!(cpu.registers.accumulator, 0x0e);
cpu.registers.status.or(Status::PS_DECIMAL_MODE);
assert_eq!(cpu.registers.accumulator, 0x0e);
assert!(!cpu.registers.status.contains(Status::PS_CARRY));
assert!(!cpu.registers.status.contains(Status::PS_ZERO));
assert!(!cpu.registers.status.contains(Status::PS_NEGATIVE));
assert!(!cpu.registers.status.contains(Status::PS_OVERFLOW));
cpu.add_with_carry(-92); // hex $a4
assert_eq!(cpu.registers.accumulator, 0x18);
assert!(cpu.registers.status.contains(Status::PS_CARRY));
assert!(!cpu.registers.status.contains(Status::PS_ZERO));
assert!(cpu.registers.status.contains(Status::PS_NEGATIVE));
assert!(!cpu.registers.status.contains(Status::PS_OVERFLOW));
}
#[cfg_attr(feature = "decimal_mode", test)]
fn decimal_add_test() {
let mut cpu = CPU::new(Ram::new(), Nmos6502);