rcl

Rotate Carry Left

RCL r/m, imm8

Rotates bits left through Carry Flag.

Details

The Rotate Carry Left instruction rotates bits left through Carry Flag.

Pseudocode Operation

DEST:CF <- rotate_left(DEST:CF, count)

Example

RCL rbx, 3

Encoding

Binary Layout
C1
+0
ModRM
+1
 
Format Legacy
Opcode C1 /2
Extension Base

Operands

  • dest
    Register or memory operand
  • src
    8-bit signed immediate