CY <- !CY
CCF
None
| b7 | b6 | b5 | b4 | b3 | b2 | b1 | b0 | |
|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | $3F |
The Carry flag in the F Register is inverted.
| S | is not affected. |
| Z | is not affected. |
| H | previous carry is copied. |
| P/V | is not affected. |
| N | is reset. |
| C | is set if CY was 0 before operation, otherwise it is reset. |