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Row addresses 0H to 7H
of BANK0 can be freely
specified using the general-
purpose register pointer (RP).
General-purpose register
pointer (RP)
Symbol
RPH
RPL
Address
7DH
7EH
Bit
b
b
b
b
b
b
b
3
2
1
0
3
2
1
0 0 0 0 b
b
b
2
1
0
Function
(RP)
Fig. 6-1 Structure of General-Purpose Register
Column address
0 1 2 3 4 5 6 7 8 9 A B C D E F
0
1
2
General-purpose register (16 words)
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
b
5
0
B
6
C
7
D
BANK0
System register
RP
BANK1
System register
BANK2
System register
PD17062
General-purpose
register allocated
when RP = 010B.
The same system
register is viewed.
41
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