CMC changes the value of the carry flag: if it was 0, it sets it
to 1, and vice versa.
cmc
8086 and laterComplement Carry Flag
cmcLoading...
Forms
Every form of cmc the assembler accepts, from NASM's own instruction table.
The second column is the processor that introduced the form; a badge marks a form that needs
an extension, that is lockable, or that long mode dropped.
| Form | Since | Notes |
|---|---|---|
| cmc | 8086 |