AMOSi:Rol.l

an example can be found on AMOSPro_Examples:Examples/H-5/Help_55.AMOS

Rotates all 32 bits in your number to the left.

Rol.L places,variable
Rol.L places,expression

variable is a normal AMOS variable you wish to rotate.

An expression is evaluated by AMOS Basic, and used as address of some data you wish to change.