RET	Return from subroutine
RETC	Return from subroutine conditionally
RETCD	Delayed return from subroutine conditionally
RETD	Delayed return from subroutine
RETE	Return from interrupt with context switch and globally enable interrupts (INTM = 0)
RETI	Return from interrupt with con text switch
ROL	Rotate ACC left 1 bit
ROLB	Rotate ACCB and ACC left 1 bit
ROR	Rotate ACC right 1 bit
RORB	Rotate ACCB and ACC right 1 bit
RPT	Repeat next instruction specified by data memory value Repeat next instruction specified by short immediate Repeat next instruction specified by long immediate
RPTB	Repeat block of instructions specified by BRCR
RPTZ	Clear ACC and PREG; repeat next instruction specified by long immediate