I | T | H | S | V | N | Z | C |
– | – | ⇔ | ⇔ | ⇔ | ⇔ | ⇔ | ⇔ |
Rd3 • Rr3 + Rr3 • R3 + R3 • Rd3
Set if there was a borrow from bit 3; cleared otherwise.
Rd7 • Rr7 • R7 + Rd7 • Rr7 • R7
Set if two’s complement overflow resulted from the operation; cleared otherwise.
R7
Set if MSB of the result is set; cleared otherwise.
R7 • R6 • R5 • R4 • R3 • R2 • R1 • R0
Set if the result is $00; cleared otherwise.
Rd7 • Rr7 + Rr7 • R7 + R7 • Rd7
Set if the absolute value of the contents of Rr is larger than the absolute value of Rd; cleared otherwise.
R (Result) after the operation.
Example:
cp r4,r19 ; Compare r4 with r19
brne noteq ; Branch if r4 <> r19
...
noteq: nop ; Branch destination (do nothing)