Opcode |
Instruction |
Description |
---|---|---|
FC |
CLD |
Clear DF flag |
Clears the DF flag in the EFLAGS register. When the DF flag is set to 0, string operations increment the index registers (ESI and/or EDI).
DF 0;
The DF flag is cleared to 0. The CF, OF, ZF, SF, AF, and PF flags are unaffected.
None.
For details, see Volume 2A and Volume 2B of the Intel(R) 64 and IA-32 Intel Architecture Software Developer's Manual. For the latest updates on the instruction set information, go to the web site.