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7.2.0 CE CONTROL PANEL
7.2.1 MODE SELECTOR Switch
PROC RUN
The MODE SELECTOR switch must be in this
position when the system is running.
When this switch is moved from the PROC
RUN position, the processing unit clock stops
after executing the current micro instruction.
To restart the processing unit, return the switch
to PROC RUN and press CE START. The pro-
cessing unit starts at the micro instruction
addressed by MAR.
INSN STEP/DPL V LSR
With the MODE SELECTOR switch in this posi-
tion, pressing the CE START key causes the
next sequential micro instruction or a branch
instruction to be executed. In addition, the
contents of a selected LSR can be displayed.
To specify the LSR to be displayed, set data
switches 3 and 4 to its hex address.
2
E~F
0
' 2
E
~F
0
' 2
E
~F
0
,
2
PROCRUN1
ob'j,SL~s~gl
3
D
3
D
3
D
3
®
OALTERSTOR . .
4 C
4 C
4 C
4
·~Rlp~ERMAR
5
B
5
B
5
B
5
• OPL Y 5T OR
6
A
6
A
6
A
6
.INSN STEP
9
R
7 2
9
8
7 3
9
8
7 4
.IN~~L;T~~~S
~DISPLAYIDATA~
I
l
0
DPLY PCR
ADDR~SS/DATA ~_
~
___
:"J
SYS INSN SHP
MODE SELECTOR
CHK
DISPLAY
"cr'~'
INSN STEP/
• DPLY LSR
• ALTER STOR
• ALTER MAR
IRPT
• DPLY STOR
.INSN STEP/
DPLY CHKS
• INSN STEP/
•
DPL Y peR
lsys
I NSN STEP
MODE SELECTOR
LSR Subdivision and Micro Interrupt Levels
Main
Level
Level 0
Level 1
Level 2
r -
Micro Interrupt
0
~achine
Check)
Also used by
'Main Program Level
'Micro Interrupt
' -
1
L -
(62GV)
r -
Micro Interrupt
-
2
(keyboard, BSCA.
J>DLC. and printerl
Micro Interrupt
3
(optional features)
I
L
r -
L
I
1 -
I
L
Level 3
e - - - - - - - - - - I
Register
Work Registers
WRO
WRl
WR2
WR3
WR4
WR5
WR6
WR7
Hex
Address
00
01
02
03
04
05
06
07
Address Registers
MAR (ML)
08
MAB (ML)
09
MAR (0)
OA
MAB (0)
OB
MAR (1)
OC
MAB (1)
OD
MAR (2)
OE
MAB (2)
OF
Work Registers
WRO
10
WRl
11
WR2
12
WR3
13
WR4
14
WR5
15
WR6
16
WR7
17
Work Registers
WRO
18
WRl
19
WR2
lA
WR3
lB
WR4
lC
WR5
lD
WR6
lE
WR7
lF
Work Registers
WRO
20
WR1
21
WR2
22
WR3
23
WR4
24
WR5
25
WR6
26
WR7
27
Address Registers
MAR (3)
MAB (3)
Consoles
7-3
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