Product data

HD404818 Series
76
B
1
B
0
A
3
A
2
A
1
A
0
Accumulator
Referred ROM address
Address Designation
RA
9
RA
8
RA
7
RA
6
RA
5
RA
4
RA
3
RA
2
RA
1
RA
0
RARARA
10111213
B
2
B
3
B register
00
P
3
P
0
[P]
Instruction
Opcode
P
2
P
1
RA
RO
9
RO
0
RO
8
RO
7
RO
6
RO
5
RO
4
RO
3
RO
2
RO
1
BBBBAA
A
A
3210 3210
If RO = 1
8
Accumulator, B register
ROM data
Pattern
RO
9
ROM data
R2
32103210
If RO = 1
9
Output registers R1, R2
R2 R2 R2 R1 R1 R1 R1
RO
0
RO
8
RO
7
RO
6
RO
5
RO
4
RO
3
RO
2
RO
1
Figure 42 P Instruction