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Log Pushbutton
Swik:h from Sequence Counter to Main Store Mode
: Seq Ctr 5
I Seq Ctr 6
hW2
I
*Rl
Seq Ctr
5
Decode
I
I Seq Ctr 7
JSeq Ctr 0
I
R2
I
Wl
I
W2
I
R2 in Single
I
I
Cycle
I
I
- - - . , . 1
+-Seq Ctr 1 ' -
I
R2
I
RI
Seq Ctr 6 Decode
~
I
I
Seq Ctr
7
Decode
Coll for MS
Gate Clock Stotus Tgr
MS
Mode
MS
Clock
Store First Word in
MS Mode
Seq Ctr 0 Decode
Select Ctr
I
Seq Ctr 1 Decode
I
t
(Timing Chart Starts He,re)
NOTES:
1.
Sequence counter changes stote during R 1 .
2.
Gate word on scan bus from R2 late reg
to
next R2.
3.
Gote scon bus to SOR and fire storage SAR, IAR at W2.
KH361
:;:
FIGURE 18.
LOGOUT UNDER SEQUENCE COUNTER AND MAIN STORE MODES (PART I OF 2)
Go to Seq Ctr Mode
Tum On Log T9r
Store SOR in HA 1
or Address 80
SAR to Scan Bus
Scan Bus to SOR
IAR to SAR
Store Former
Contents af
SAR in HA
2
or Address
8416 Also
8416 to IAR
SAR (Former
Contents of IAR)
to Scan Bus
Scan Bus to SOR
Cnt
Up
4 in
IAR and SAR
Store Former
Contents of
IAR in 8816
Call for MS Mode
Error
(KTO?l)
PSW Bit 13
=
O
/ a n d another logout
/
not in process
Seq Ctr 0-W2
Seq Ctr 1
Seq Ctr
1-W2
SeqCtr3}
SeqCtr4
Seq Ctr
5-W2
Seq Ctr6
SeqCtr7
No
Go to ROS and
Co~
tinue, or Hard Stop
Store SAR
Store IAR
To Main Store Mode
Sequence Counter Control Mode
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