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S3C9228/P9228 SAM88RCRI INSTRUCTION SET
6-15
CCF — Complement Carry Flag
CCF
Operation: C ¨ NOT C
The carry flag (C) is complemented. If C = "1", the value of the carry flag is changed to logic
zero; if C = "0", the value of the carry flag is changed to logic one.
Flags: C: Complemented.
No other flags are affected.
Format:
Bytes Cycles Opcode
(Hex)
opc 1 4 EF
Example: Given: The carry flag = "0":
CCF
If the carry flag = "0", the CCF instruction complements it in the FLAGS register (0D5H), changing
its value from logic zero to logic one.