IBM System/370 145 Reference Summary page 18

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Inc/Dec Sot Addrm 5oUfC•
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Set
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Addreu
Low
0 SM LS/tXT
K-Addr
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Sn LS/EXT
Sl6
-
0 11111 ReodWood
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0010
ReodHolfwd
SI
.
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Tl
zo
0011
Storetlllllfwd
so
-
Z6 PU Pro Feat, LS SOC (0) NAL
0100
Rood., ..
S2
SJ
0101 Store I,'-
'' TH
Alternalefor SS
0110
56 UpdOnl~
>~to••. the
aboore
S7
r••e111Hw1th
1.9.111 M6 Feat, LS
.....
M7
1000 '
1001
1010
!
1011
1.1
Subform D spec1al stot
1100
Rood..,
I
·r~-
1101 , .... key
1110
1111
;
NON k-ADDRESSAIU
Note: I. S'55
and
Z6
shit
sell .,. on the low
brt•
of the count
while 52 is on both
1¥ta.
(52
11
&et/,...
in
th11
c . . ).
For bpr.
°"''°''°"' -
I
2. The
.wr.u
o"lf tM count"""' be '" 9Ven-odd lS wo . .
when Dec count
11 specified.
3, M6ond M1 ret.r to b.tl 6oncf 7 of the low ord.r b,lte
of the
•t11
oddr- ofter updoti"I·
'· Stot MllOI '"· Tl,°' TH
IC ......
T0, 1,2,3,
to
be,...,,
5. The ~ltl
cONtont is i...,lied •follows:
For
.ofll
a,e.ato°"' - "
For Holfwon:t
epe1t1t1ona ..
2
If TH is spec1Red, then the nllfftb.r of blfl 1n fO·Tl
tpeeif1 Ille cONtant, If the cycle i1 o Mlec:tor 1hora,
tNn the
cONhlnf c ....
from the Mlec:tor Rogs
regard•
I •
of
spec1ol 1tot .. , field.
6. A zeta
is forced
for l:wanclt
1- wf>efl
SOC i1 specified.
7. Ths S
or
P ,..,,,...
connot be
the destuiohon of
Ol'I
up·
....................
8. CPU Pn1tec;t ..,...Hy active.
NOP Suppte1Sa CPU PiotRt.
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