IBM System/360 Field Engineering Manual page 12

Operation Mnemonic Op Code Format Operands
Description Interruptions Cond Code
Compare Logical CL 55 RX Rl, D2(X2, B2) Compare opr 1 to opr 2 Adr 0 opr's =
(binary left to right) Spec
1
1st
<
(Terminates if/when
I-
found) 2 1st >
Compare Logical CLC D5 SS Dl(L, Bl), D2(B2)
Compare opr 1 to opr 2 Adr
0
opr's
=
(binary left to right)
1
1st <
(Terminated if/when "I- fonnd) 2 1st
>
(opr length max 256 bytes)
Compare Logical
CL! 95
SI Dl(Bl), 12
Compare opr 1 to opr 2
Adr 0
opr's -
(Imm) (Sto) 1
1st<
(binary left to right) 2 1st
>
(Terminates if/when
I-
found)
Compare Logical CLR 15 RR Rl,R2
Compare opr 1 to opr 2 None
0
opr's
=
(binary left to right) 1 1st <
(Terminates if/when
I-
found) 2 1st
>
Compare (Long)
CD 69
RX Rl, D2(X2, B2) Compare opr 1 algebraically to opr 2 (FPR) Adr 0 opr's =
(Equalize and subtract.)
Spec
1
1st <
2 1st >
Compare (Long) CDR 29 RR Rl,R2
Compare opr 1 algebraically to opr 2 (FPR) Spec
0
opr's -
(Equalize and subtract ) 1 1st <
2
1st >
Compare (Short) CE
79
RX Rl,D2(X2,B2) Compare opr 1 algebraically to opr 2 Adr 0
opr
1
s -
(FPR) (Sto)
Spec
1
1st<
(Low-order FPR ignored and unchanged) 2 1st
>
Compare (Short) CER 39 RR Rl,R2
Compare opr 1 algebraically to opr 2 Spec
0
opr's -
(FPR) (FPR) 1
1st <
(Low-order FPR ignored and unchanged) 2 1st
>
Convert to Binary CVB 4F RX Rl, D2(X2, B2)
Convert opr 2 (packed decimal) Adr Unchanged
(Double-word bounds) to binary and put in Spec
opr 1 Data
Exp Div