IBM System/360 Field Engineering Manual

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Operation
Mnemonic LQi>_ Code Format J2E:erands
Description
Interruptions Cond Code
Add
A 5A RX Rl,R2
Add opr _2 to opr 1
Adr 0 Sum= .0
(Sto) (GPR) Spec 1 Sum< 0
Exp Oflo
2 Sum> O
3 Overflow
Add
AR lA RR Rl,R2
Add opr 2 to opr 1 Exp Oflo
0 Sum= 0
(GPR) (GPR) 1 Sum< 0
2 Sum> 0
3 Overflow
Add Decimal AP
FA SS
Dl, (Ll, Bl), D2(L2, B2) Add dee opr 2 to opr 1 Prot
0
Sum== O
(Sto) (Sto) Adr 1 Sum< 0
(Right to left byte by byte),
Data 2 Sum > 0
(Opr 1 and 2 must be in packed)
Dec Oflo
3 Overflow
(Fields can overlap if low-order bytes
coincide)
(If opr 1 and opr 2 refer to same field, the
field is doublec!L_
Add Halfword AH 4A
RX
Rl, D2(X2, B2) Add opr 2 to opr 1 Adr 0
Sum== 0
(Sto) (GPR) Spec 1 Sum< 0
(High-order 16 bits expanded) opr 2
Exp Oflo 2 Sum> 0
3
Overflow
~d Logical AL
5E
RX
Rl, D2(X2, B2) Add log opr 2 to opr 1 Adr 0
Sum;;;: 0
(Sto)
(GPR) Spec 1 Sum f 0
2 Sum= 0
3 Sum f 0
Add Logical
ALR 1E RR Rl,R2
Add log opr 2 to opr 1 0 Sum= 0
(GPR) (GPR) 1 Sum f O
2 Sum= 0
3 Sum f 0

IBM System/360 Specifications

General

Brand	IBM
Model	System/360
Category	Desktop
Language	English