A <- A - n
CP
n
| b7 | b6 | b5 | b4 | b3 | b2 | b1 | b0 | |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | $FE |
| n | ||||||||
The n integer is compared with the contents of the Accumulator. If there is a true compare, the Z flag is set. The execution of this instruction does not affect the contents of the Accumulator.
| S | is set if result is negative, otherwise it is reset. |
| Z | is set if result is 0, otherwise it is reset. |
| H | is set if borrow from bit 4, otherwise it is reset. |
| P/V | is set if overflow, otherwise it is reset |
| N | is set. |
| C | is set if borrow, otherwise it is reset. |
If the Accumulator contains $63, then upon the execution of
CP $60
the P/V flag in the F Register is reset.