====== ROL Box Function ======

**Rotate Left**

Category: [[en-us_products:mpino_studio2:box_functions:bit_operations|Bitwise Operation Box Functions]]

===== Behavior =====

Rotates a D, C, or T WORD left. Bits leaving the left return at the right end.

===== Syntax and Arguments =====

**Syntax:** ''ROL D0 2 D1''

  * 1st = source: D, C, or T WORD address
  * 2nd = rotate count
  * 3rd = destination: D, C, or T WORD address

===== Behavior Example =====

^ Run condition ^ Before ^ Command entered ^ Expected result ^
| Left condition ON | D0=0x8001 | ''ROL D0 2 D1'' | D1=0x0006 |

{{ :en-us_products:mpino_studio2:bit-operation-examples.svg?1000 |Inputs and results for Bitwise Operation Box Functions }}

===== Cautions =====

  * The operation applies to all 16 bits of the WORD.

===== Box Functions in the Same Category =====

  * [[en-us_products:mpino_studio2:box_functions:bit_operations:wand|WAND View details]] — Word AND
  * [[en-us_products:mpino_studio2:box_functions:bit_operations:wor|WOR View details]] — Word OR
  * [[en-us_products:mpino_studio2:box_functions:bit_operations:wxor|WXOR View details]] — Word XOR
  * [[en-us_products:mpino_studio2:box_functions:bit_operations:wnot|WNOT View details]] — Word NOT
  * [[en-us_products:mpino_studio2:box_functions:bit_operations:shl|SHL View details]] — Shift Left
  * [[en-us_products:mpino_studio2:box_functions:bit_operations:shr|SHR View details]] — Shift Right
  * [[en-us_products:mpino_studio2:box_functions:bit_operations:ror|ROR View details]] — Rotate Right