Nintendo DMG-01 - Game Boy Console Manual page 96

3.3.5. Miscellaneous
4. CCF
Description:
Complement carry flag.
If C flag is set, then reset it.
If C flag is reset, then set it.
Flags affected:
Z - Not affected.
N - Reset.
H - Reset.
C - Complemented.
Opcodes:
Instruction
CCF
5. SCF
Description:
Set Carry flag.
Flags affected:
Z - Not affected.
N - Reset.
H - Reset.
C - Set.
Opcodes:
Instruction
SCF
Page 96
Parameters
-/-
Parameters
-/-
Game Boy
Opcode Cycles
3F 4
Opcode Cycles
37 4
TM
CPU Manual
V 1.01