Download Print this page

IBM System/370 145 Reference Summary page 27

Hide thumbs Also See for System/370 145:

Advertisement

I-CYCLES DATA FLOW
[
EVEN
j[
ODD
j
[
0
I
1
I
2
I
3
4
I
1-
I
6
I
7
y
D-~ ..
SOBO Asm
[
I
EBI
]
L
0
1
1
1
2
l
3
J
ByteO
81, 2, 3
83
II
__fEl
80, 1,2,3
11
BO, 1,2,3
f
0
KEY
,
0,
,]
r
EXP LS
Jill':
]
t
:::>;;>:
EXP LS
51
j
1-BFR 2
[o
1
J
2
I
3 i2s 31
0
I
1
2
I
3
f1
0
T
1
2
3
]
~
i::!:..
I-Cycle Ctri's
T
Add'O~.n
BO, 1, 2, J
'
..!!:>
to
AODCAARY
JIL~J!il
t
w
EXP LS
52
j
r
1-BFR 1
]
I
I
13:29~
0
I
I
r1
°
T
T
P/C
1
2
.3
1
2
3
1
2
3
.
Jr
Tr
TT
W1
TI
8
~-nr
BO, 1, 3
r
r
T
re
'"'
JI 1r
Ell
--r
[[
..
!7
IBU
EXP LS
54
,
r
TR
EXP LS
55
]
~wl
U
EXP LS
53
3
r
"T-
R 0
] hi
[o
1
I
2
T
3
3~
fo
1
T
2
T
3129
31
r•Lcr
o
1 ,
2
I
3
r
0
T
1
T
2
3
~
Instr
1T
fC
l
'-===
Length Code
J===
F-1.::
,IT
From ICY Ctrl's
....
I-- f-
U-Bus
"""
JI
1==
P B A J b
D1spl
r;::.
ill
~
-if.
r r
PAA
Address
~
A-LS
=sl]
~i;-
li=i:~-
lmmByta]
Instruction
To
i===il:M~°'~/~
M-Reg
Assembler
[
B LS
~
A-A'"'
8-Asm
_..!J,.
. .
j;..""
7
I
A-r
I
I
8-REG
I
IIT11
p"':R"eg
IMM BYTE
L
Execute
Inst~
0
I
1
2
I
3
0
I
1
I
2
I
3
MODIFIER
P/C
II
:r
]
0
'il:• ZI
*
IT
ITTI
ADDRESS COMPARE
II
IT
lTl
1
I-Cycle
~
I
ALU2
i
ALU3
I
_j
Ctrl's
n
fl
IT
u
:_]
[
Any
m
Inst<
i,.__ l_r,J
l=Vo•W
J
"1
IJ
Address
Counter
_J
--YL
TR = V or W
Jn
[
L L G : p
h
I . . . - -
f
Z-REG
]
J""J:' " "J:'
""' J :""' J ::l
~CycleC"l's
0
]
1
]
2
]
3
E(§j
SWITCHES
E ® 2
Set Branch
JH
*
DISPLAY IN EXPANDED LOCAL
l
s
I
" I
i
~~
3
Read Latch
STORAGE REGISTER 56
T
D-REG
]
f
Op Code
O
2
[
0
I
1
]
2
I
3
f
o
3f• 7f
a
2
0
0
l
LHL.i.J
!J
TT
I-Cycles
SDBO
To LS Address
c
H
Asm
2.2

Advertisement

loading