T2: =C+D MOV CRO T3 = E-T2 ADD DRO TI: =A+B MOV ERI T4:=T1-T3 SUB RO.RI MOV ARO ADD B RO SUB RI.RO MOV RO.T4T2:=C+D MOV C,R0 T3:=E-T2 ADD D,R0 T1:= A+B MOV E,R1 T4:=T1-T3 SUB R0,R1 MOV A,R0 ADD B, R0 SUB R1,R0 MOV R0,T4