IBM System/360 Field Engineering Manual

-
...
__ 9Peration
Divide (Long)
Divide (Short)
Divide (Short)
Edit
Mnemonic
DDR
DE
DER
ED
LQI>_ Code
Format
Operands
2D RR Rl,R2
7D RX Rl, D2(X2, B2)
3D RR Rl,R2
DE SS Dl(L, Bl), D2(B2)
Descr_i_pj;ion Inter~ions
Cond Code
FP Divide opr 1 by opr 2 Spec Unchanged
Prenormalize (FPR) (FPR) Exp Oflo
(Dividend)
(Divisor) Exp Uflo
~ 1 becomes quotient
FP Div
FP Divide opr 1 by opr 2
Adr
Unchanged
Prenormalize
Spec
(Dividend) (Divisor) Exp Oflo
Opr 1 becomes quotient Exp Uflo
(Low-order FPR ignored and unchanged) FP
Div
FP
Divide opr 1 by opr 2 Spec
Unchanged
Prenormalize (FPR) (FPR) Exp Oflo
(Dividend) (Divisor) FP Div
Opr 1 becomes quotient
(Low-order FPR Ignored and unchanged)
Opr 1 - pattern, opr 2 - source
Prot
Result
Opr 2 is changed from packed to zoned and Adr
0 field= 0
edited under control of opr 1. Data 1
field < o
Opr
1
s processed left to right
2 field > O
Zero digit and S Tgr off: Store fill char In
pattern field.
Blank and S Tgr off: Pattern char unchanged.
Digit and S Tgr on: (if slg digit) Unpack
source digit and store in pattern field.
"c" significance start char
''b"blank
"j" field separate char
"d" digit select char
(Fill char is 1st char in pattern field unless
it Is a dig!t/select/sign!flcance-start char.)
(Opr 1 terminates operation)

IBM System/360 Specifications

General

Brand	IBM
Model	System/360
Category	Desktop
Language	English