IBM System/360 65 - 2065 OPERAND PREFETCH

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a::
o
tJ
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10 ~I
21,22
10' ~ I
o 1 2 Insert Hot 1
T • To LAlO(F.f'.).
811
1215
Local
Storage
Rlfield
R2 field
Tronsflrredby.Ymicr(l-orc\er
31
~I
a ht 2nd Jrd
o Holfword Halfword Halfword
03 16 19 32 35
Bfield
afield
Bfield
Seleeted R or S field
Maehine eycles
RI(orR2lf
btoneh)_LAR
(NEOPorBEOP)
'_LAJ!
(NEOPorBEOP)
LSk>T
10
01
II
Function
I-- End op---+--I-Feh:h -------l
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I I I
,-
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r-
"D
Decoding of Ie Of" 0 bits (21,22)
0<061
RQ771
RR001
LAR ingating •
Fonnat decoding
Brom:h decoding
Rk181