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IBM System/360 2050 - Page 27

IBM System/360 2050
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FLT
Scan-Out
Operation
Storage
Location
Bits
Doto
r
Storage
locotlor
Bits
Doto
0088
0-3
Half-Sum
Checks
19-23
Logs
(1,
2,
3,
Gate
Status,
Reset)
4-7
Sum
Checks
24-31 Unused
8
Corry
Check
oocc
0-8
Buffer 1
9-J
I Counters(L Byte, M Byte, MO)
Checks
9-17
Buffer 2
12-13
length
Counters
(G
l,
G2)
Checks
18-22
Unused
14-16
Mover
Checks
(U,
V,
and
W)
23 Request Logout
17
Unused
24-31 Unused
18-20
SAR
Checks
OODO
0-2
Select
Out,
Select
In,
Op
Jn
21-23
ROS
Checks
3-4
Suppress
Out,
Request
In
24
Protect
Tog
5-7
Service
Out,
Address
Out,
Command
Out
25
LCS
Feature
8-10
Service
In, Address In,
Status
In
26
log
Request
I 1-19
Bus
Out
27-31
Unu5ed
20-21
Program
Check,
Storage
Protect
Check
OOBC
0-25
Unused
22-31
Unused
26-28
Mover
Function (CPU)
OOD4
0-3
Controlled
Emit
29-31
Mover
Function
(1/0)
4-8
Routine Request Tgrs (A,
El-E4)
0090 0
One
Syllable
Op
Stat
9-J
I Priority (2,
3,
PCI)
I
Refetch
Stat
12-17
Control
Tgrs(CC,
DTC,UCW,
IS
Full,
Poll,
Burst Mode)
2-4
Unused
t8-2J
Mpx
1/0
Stats
5 Emulator
Feature
22
Doto Transfer
Control
6-17
Current
ROS Address
23
CC Reset Control
18-23
Interrupt Register
24-31
Unused
24-31
PSW
32-39
(ILC,
CC,
PM)
OOD8
0-31
Selector
Channel
B Register
0094 0
1/0
Mode
OODC
0-27
Unused
J-3
1/0
Reg;ster (P,
30,
31)
28-31
Selector
Channel
B Register
Parity
4-5
Interrupt
Stats
(Timer, Status)
ooeo
0-27
Unused
6-8
l Byte
Counter
28-31
Selector
Channel
C Register Parity
9-1 I M Byte
Counter
OOE4
0-31
Selector
Channe'I C Register
12-16 F Register
ooe8
0-1
Byte
Counter
A (2,
1)
17
Q Register
18-191 Ed;t Stats
20-27
General
Purpose Stats
28-29 L
Sign,
R Sign
2-4
Byte
Counter
8 (P,
2,
1)
5-6
End
Register (2, I)
7-8
Last
Words (3, I)
9-12
End
of
Record (Count
Interlock,
1,
2,
Read Interlock)
30
Carry
13
B Almost Changed
31
RTL
14
local
Store Enable
0098 0
Unused
15-16 Register Full (LS, C)
1-6
Local
Storage
Address Register
I
7-20
Read (Backward,
Op,
Ready,
Interface)
7-8
Local Storage
Function
Regiliter
21-23
Write
(Op,
Ready,
Interface)
9-13
J Register
24-31
Channel
Checks (Sim,
JU,
P1·09,
Stor
Prat,
Chon
Doto,
14-18
MD
Counter
Chan
Ctr
I,
IF
Ctrl,
Chain
1)
19
Unused
ooec
0-27
Unused
20-25 Length
Counter
1 (S,
P,
0-3)
28-31
Group
3 Parity (Byte
Ctr
P,
Last Word
2,
Register Full 8,
26-31
Length
Counter
2 (S,
P,
0-3)
CD
PC
Type)
009C
0-3
LCS
Feature
(Mork, Key,
Adr,
Doto)
OOFO
0-27
Unused
4
Unused
28-31
Group
4 Parity
{UA
Fetch,
Cycle
Ctr
Phase A
Step
0,
5-8
LCS
Feature
(Unit
Identity)
Priority
l,
Stat 0)
9-31 Unused
00f4
0-7
Position Register (CCW-1 Type,
CCW-2
Type, Uriit
Sel,
OOAO
0-31
H Register
Read
Store,
Write
Fetch,
End Up,
Compare,
lr.terrupt)
OOA4
0-23
Unused
8-10
Cycle
Counter
Phase A
Step
( 1,
2,
3)
24-27 H Reg;ster Fold (28-31)
I 1-13 Clock
(AO,
Al,
Step)
28-31 Unused
14-15 Local Store Request I
PC
r Request
OOA8
0-31 M Register
16-!7
Request Register (Priority
2,
3)
OOAC
0-23
Unused
18-23 Request
Regi~ter
i0-5)
24-27 M Register Fold (28-31)
24-26 Request Reg I Her Stats ( l
-3)
28-31
Unused
27-31 Common Channel
Detect
(LS,
F'R1~1,
PR!-2-3,
PCI,
lnh
Rtne}
0080
0-31
R Register
OOF8
0-6
General
Purpose Register
(l-7)
0084
0-23
Unused
7-8
Unused
24-27
R Reg;ster
fold
(28-31)
9-13
Flog Registe1 (CDA,
CC,
S!LI,
Skip,
PCI}
28-31 Unused
14
Finish
0088
0-31
L Register
15-16
Fint
'Nord,
Fint
Byte
008C
0-23
Unused
I
7-19
Total Record
Fetch,
Write
Chain
Proceed,
Stop Release
24-27
l Register Fold {28-31)
20-22
Unused
28-31 Unused
23
Status
Next
Latch
coco
0-3
VO
Instruction
(Start,
Test,
Holt,
Test)
24-27
Multi-Purpose
(Cl
-(4)
4-6
Channel
Number
(4, ·2,
1)
28-31 Suppress
Out,
Request Jn,
Service
Out
Hold,
Block Status !ri
7-10
Instruction Reply
(0-3)
OOFC
0
Inhibit Read Store
JI Reply
I 2
Branch on
Channel
Interrupt
1-4 A Clock (A,
B,
C,
Di
5-6
Special
Purpose
(DJ,
D2)
13
Proceed
on
Interrupt
7 lnslrvction Scan
14-!6
Time
Out,
Time
Out
Check,
Foul
8-9
Poll,
Poll Interrupt
End
15-31
Unused
10
lnstruction Inhibit
OOC4
0
Routine
Received
JI
BC
Reody
I
PCI
Enable
I 2
UA
to
Bus
Out
2
Break
In
I 3 Se lee t Address
Out
3
1/0 Routine
J~-15
Compo
re
(:=,
l'I
4-6
Eorly First
Cycle,
First
Cycle,
Chain
Fint
Cycle
16-17
Interface
Chain
Doto Address First
Syte,
Chain
Data
7-8
Local Store (Read, Write)
18-19 Byte
Ctr
Bod
Enable,
Write
Chain
Ready
9
Channel
to
Adder
latch
Doto
Transfer
and
Control
20-22
Record End,
Op
In
Test,
Channel
Stop
JO
Adder
Latch
to
Channel
Doto Transfer
and
Control
23-25
Select
Out,
Select
In,
Op
ln
I 1-13
Chain,
lost
Cycle,
Break
Out
26-28
Se1vice
Out,
Address
Out,
Corrmand
Out
14-17
Storage
Byte
Control
Register
29-31
Service
In,
Addreu
In, Status
In
18
Unused
0100
0-27
Unused
19-22
ROSDR
s;ts
33,
34,
47,
48
28
Position
Regi,ter
Transfer
23
First
Cycle
Check
29
Channel
In
Use
24-31
Unused
30-31
Stop, Stop Routine
OOC8
0-11
Buffer l , Buffer
2,
Buffer 3
0104
0-15
Reserved for
Selector
Channel
and
Miscellaneous
Features
12-16
1/0
Stats
16-31 Reserved for
Multiplex
Chonrtel
17
Unused
18
J/O
Check
Mode
FIGURE
12.
SCAN-OUT/LOGOUL
LOCATIONS AND
DATA
(PART
4 OF
4)
26 (3/71) Model 50 FEMM

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