Honeywell LEVEL 6 Operation Manual page 15

TABLE 2-3. REGISTER SELECTION CODES
LOCATION CONTENTS
SELECTION CODES VISIBLE REGISTERS
A 0
B 0
B
1
B 2
B
3
B
4
B 5
B
6
B 7
C I
0
0
D
1
D 2
D
3
D 4
D
5
D 6
D 7
E
0
E 7
I
HI
I
H2
I
CENTRAL PROCESSOR CONTROL PANEL
0 15
MEMORY
ADDRESS REGISTER
0
15
MEMORY DATA
REGISTER
0
15
81
B2
B3
B4
B5
B6
B7
0 8
15
IMI REGISTERI I-REGISTER
I
0 15
I INSTRUCTION REGISTER
I
0 15
Rl
R2
R3
R4
R5
R6
R7
0
15
PROGRAM
COUNTER (P-!{EGISTER)
0
15
IS-REGISTER
I
0
4
8
12 IS
I
H3
I
H5
I
H6
H4
I
I
2-4 AT04