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ADDRESS/ DATA STORAGE
~.---~~~~~~~~~~~~~-L_o_A_D~U_N_l_T~~~~~~~~~~~~~~~J
~.--~-D_A_T~A~S_T_o_R_E~~~~~~~-L-o_c_A~L~S-T_o_R_E~~J ~.--~-A-D~D_R_E_s_s~L_o_c_A~L_s_T_O~R-E~/-E~X-T~D-l_SP~LA~Y~~~J
0
f:
l
~
0
0~1'(;~0
L-0 (')
Cb
8
A
8
B
c
D
Note:
The full view of Switch A shows control storage positions for 48K systems,
the partial views of Switch A are used for 16K, 24K, and 32K systems.
Switch A For 16K Systems
Switch A for 24K and 32K Systems
Figure 1-121. Control Panel Switches
A,,
B,
c,
and D
1.18.1 CPU STATUS INDICATORS
1.18.1.1 Address
~atch
The address match indicator is turned on
by:
a.
Address Match Latch - when the mode
switch is in AS ADR STOP or MS ADR
STOP.
The CPU clock stops when the
address match latch corres en.
It is
res et at Tl time.
b.
SAR Delayed Stop Match Latch - when the
mode switch is in SAR DLY STOP.
The
instruction in progress is completed
and the CPU enters a soft-stof state;
the indicator is reset when the start
key is pressed (clock start pulse>.
1-122
( 7 /69)
1.18.1.2 Alter/Display PR-KB
Pressing the PR-KE alter display key turns
this light on to indicate that the
alter/display microprogram is waiting for
an operator
res~cnse
en the 1052
printer-keyboard.
This light is turned off
by pressing the start key, er after the
operator has completed the required
keyboard entry.
Control storage cannot be altered from
the 1052 unless the CE key is on.
1. 18. 1. 3
CSL
Pressing the control storage load key turns
on this light and starts the CSL
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