Zilog Z08470 User Manual
Page 188
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Z80 Instruction Set
UM008007-0715
176
Z80 CPU
User Manual
CCF
Operation
CY ← CY
Op Code
CCF
Operands
None.
Description
The Carry flag in the F Register is inverted.
Condition Bits Affected
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.
M Cycles
T States
4 MHz E.T.
1
4
1.00
0
0
1
1
1
1
1
1
3F
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