rcr

Rotate Carry Right

RCR r/m, imm8

Rotates bits right through Carry Flag.

Details

The Rotate Carry Right instruction rotates bits right through Carry Flag.

Pseudocode Operation

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

Example

RCR rbx, 3

Encoding

Binary Layout
C1
+0
ModRM
+1
 
Format Legacy
Opcode C1 /3
Extension Base

Operands

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