BSR	TRGET		; Branches to TRGET
	MOV	R3,R4		; Executes the MOV instruction before branching
	ADD	R0,R1		; ← The PC location is used to calculate the branch destination
				; address of the BSR instruction (return address for when the
				; subroutine procedure is completed (PR data))
TRGET:				; ← Procedure entrance
	MOV	R2,R3
	RTS			; Returns to the above ADD instruction
	MOV 	#1,R0		; Executes MOV before branching