IBM System/360

Add Normalized (Long)
AD
6A
RX
Rl, D2(X2, B2) FP Add opr 2 to opr 1 Adr 0 Fract = 0
(Sto)
(FPR) Spec
1
Fract < O
Is I
Char
I
Fraction
I
Sign 2 Fract > 0
0 1 7 8
63
Exp Oflo
3
Exp Oflo
Exp Uflo
Add Normalized (Long) ADR
2A RR Rl,R2 FP Add opr 2 to opr 1
Spec
0
Fract = O
(FPR) (FPR) Sign 1 Fract < 0
Exp Oflo 2 Fract > 0
Exp Ullo
3
Exp Oflo
Add Normalized (Short) AE 7A HX Rl, D2(X2, B2) FP Add opr 2 to opr 1 Adr 0 Fract = 0
(Sto)
(FPR) Spec 1
Fract < 0
Is I
Char
I
Fraction [ Sign
2
Fract > 0
0
l
? B
"'
EKiJ 0-£10
3
Exp Gfio
(Low-order FPR ignored and unchanged) Exp Ullo
Add Normalized (Short)
AER
3A HR Rl,R2
FP Add opr 2 to opr 1 Spec 0 Fract - O
(FPR) (FPR)
Sign 1
Fract < 0
Exp Oflo 2
Fract > 0
Exp Ullo
3 Exp Oflo
Add Unnormalized AW 6E RX Rl, D2(X2, B2) FP Add opr 2 to opr 1
Adr
0
Fract = O
(Long)
(Sto) (FPH)
Spec
1 Fract < 0
Sign 2 Fract > O
Exp Oflo
3 Exp Oflo
Add Unnormalized AWR
2E RR Rl,R2
FP Add opr 2 to opr 1
Spec
0
Fract = O
(Long)
(FPR) (FPR)
Sign
1 Fract < 0
Exp Oflo 2 Fract > 0
3 Exp Oflo
Add Unnormalized
AU 7E RX Rl, D2(X2, B2)
FP Add opr 2 to opr 1
Adr 0 Fract - 0
(Short)
(Sto)
(FPR)
Spec 1 Fract < 0
(Low-order FPR ignored and unchanged)
Sign 2
Fract > 0
Exp Oflo
3
Exp Oflo
OP C D