A.MOVXA,@R1 B.MOVCA,@A+DPTR C.MOVCA,@A+PC D.MOVA,@R1
A.MOV68H,A B.MOVA,#68H C.MOVA,R5 D.MOVA,@R1
A.MOV@DPTR,A B.MOVCA,@A+DPTR C.MOVX@Ri,A D.MOVA,@Ri