x86 Instruction Set Reference
STC
Set Carry Flag
| Opcode | Mnemonic | Description |
|---|---|---|
F9 |
STC |
Set CF flag. |
| Description |
|---|
|
Sets the CF flag in the EFLAGS register. |
| Operation |
|---|
CF = 1; |
| Flags affected |
|---|
|
The CF flag is set. The OF, ZF, SF, AF, and PF flags are unaffected. |