IBM System/360 2050 Maintenance Manual page 173

Processing unit
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R REGISTER
p
0
6
8-15
8
10
II
12
13
14
15
R REGISTER
p
p
16-23
16
17
18
19
20
21
22
23
24-31
24
25
26
27
28
29
30
31
Bit
Indicator
ALO
P05ition
Description
p 0- 7
RROOl
0
RROOl
1
RROOl
2
RROOl
3
RROOl
4
RROl 1
5
RROl 1
6
RROl 1
7
RR011
p 8-15
RR021
8
RR021
9
RR021
10
RR021
11
RR021
12
RROJl
13
RROJl
0-35
Ward 2 indicators display the cantents of the R register. The R register is a primary source
14
RR031
of data for adder
Y
input and buffer for local store. The R register can also gate a byte of
15
RR031
data to the mover. Parity is displayed in bit pasitions 0, 9, 18, and 27.
Pl6-23
RR041
16
RR041
17
RR041
18
RR041
19
RR041
20
RR051
21
RR051
22
RR051
23
RR051
P24-31
RR061
24
RR061
25
RR061
26
RR061
27
RR061
28
RR071
29
RR071
30
RR071
31
RR071
FIGURE 154.
CPU I
.ROLLER - POSITION 2
172
(3/71)
Model 50 FEMM

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