IBM System/360 Field Engineering Manual page 17

Load Complement LCER
33 RR Rl,R2 Opr 2 into opr 1
Spec Result
(Short) (FPR) (FPR) 0 Fract = 0
(Opr 1 sign inverted, low-order half 1 Result
<
0
unchanged) 2 Result > 0
(Opr 2 sign inverted)
Load Complement LCDR 23 RR Rl,R2 Same as LCER Same as Same as
LCER LCER
Load Halfword
LH 48
RX
Rl,D2(X2,B2)
Opr 2 low-order halfword into opr 1
Adr
Unchanged
(High-order expanded) Spec
Load (Long) LD 68 RX Rl, D2(X2, B2) Opr 2 into opr 1 Adr Unchanged
(Sto)
(FPR) Spec
Load (Long) LDR 28 RR Rl,R2 Opr 2 into opr 1
Spec Unchanged
{l"PR} \FPR)
Load Multiple
LM 98 RS Rl,R3,D2(B2) Opr 2 into GPRs in ascending order Adr Unchanged
Starting reg specified by opr l, ending Spec
reg specified by opr 3
(Reg wrap-around possible)
Load Negative LNR
11 RR Rl,R2 2 's complement of opr 2 into opr 1 None 0 Result= 0
(GPR) (GPR)
(If opr 2 contains a (-)number or zero,
the number is unchanged)
Load Negative (Long)
LNDR 21 RR Rl,R2 Opr 2 into opr 1 Spec Result
(FPR) (FPR) 0
Fract
=
O
(Both opr's made negative) 1 Result < O
Load Negative (Short) LNER
31 RR Rl,R2 Opr 2 into opr 1 Spec Result
(Both opr's made negative) 0 Fract = 0
(Low-order half of opr 1 unchanged) 1 Result < 0