CMC

COMPLEMENT CARRY FLAG

CMC

Operation:

Flags Affected:

if (CF) = 0 then (CF) ~ 1 else (CF) - 0

CF

Description:

CMC (Complement Carry flag) "toggles" CF to its opposite state and affects no other flags.

Encoding:

1111101011

CMC Operands Clocks Transfers Bytes CMC Coding Example

(no operands)

2

-

1 CMC

2-65

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Intel 210200-002 manual Complement Carry Flag, 1111101011