Mnemonics

CCF

General Purpose Arithmetic and CPU Control Group
Expansion:
Complement Carry Flag
Usage:
ccf

Inverts the carry and half-carry flags

Z80.CPU instructions
Instruction Description Opcode
CCF Invert carry and half-carry flags 3F

Example

; Example ccf ; carry and half-carry now inverted ccf ; carry and half-carry now inverted again ccf ; carry and half-carry now inverted and once more

See also

CPL
ComPLement accumulator
DAA
Decimal Adjust Accumulator
DI
Disable Interrupts
EI
Enable Interrupts
HALT
cpu HALTed
IM
Interrupt Mode
NEG
NEGate accumulator
NOP
No OPeration
SCF
Set Carry Flag