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also test subtractions

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Sam M W 2022-10-23 07:04:15 +01:00
parent 2bcbfa63b5
commit c2e77b5f52
1 changed files with 5 additions and 0 deletions
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src/cpu.rs
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@ -845,6 +845,11 @@ mod tests {
assert_eq!(cpu.registers.accumulator, -128); assert_eq!(cpu.registers.accumulator, -128);
cpu.add_with_carry(-128); cpu.add_with_carry(-128);
assert_eq!(cpu.registers.accumulator, 0); assert_eq!(cpu.registers.accumulator, 0);
cpu.subtract_with_carry(-128);
assert_eq!(cpu.registers.accumulator, -128);
cpu.subtract_with_carry(-128);
assert_eq!(cpu.registers.accumulator, 0);
} }
#[cfg_attr(feature = "decimal_mode", test)] #[cfg_attr(feature = "decimal_mode", test)]