
4
M
M
dvoUd
P
S
000000
080000
16
100000
16
180000
16
200000
16
280000
16
380000
3FFFFF
16
ROM address
Microcomputer address
40000
16
BFFFF
16
40000
16
3C0000
16
340000
16
2C0000
16
240000
1C0000
16
140000
0C0000
16
040000
bank 0
bank 1
bank 1
bank 2
bank 2
bank 3
bank 3
bank 4
bank 4
bank 5
bank 5
bank 6
bank 6
bank 7
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
Data
Program or data
OFS bit of the DBR register=1
300000
16
bank 0
40000
16
40000
16
40000
16
40000
16
40000
16
40000
16
BFFFF
16
BFFFF
16
BFFFF
16
BFFFF
16
BFFFF
16
BFFFF
16
40000
16
BFFFF
16
40000
16
BFFFF
16
40000
16
BFFFF
16
40000
16
BFFFF
16
40000
16
BFFFF
16
40000
16
BFFFF
16
40000
16
BFFFF
16
Program or data
BFFFF
16
F
A20
A19
A18
N.C.
A17
A16
A15–A0
Address input for 4-Mbyte ROM
Address input for 4-
Mbyte ROM
A
18
CS output
Address output
OFS
area
Output from the microcomputer pins
CS3
CS2
CS1
A
19
A
17
A
16
A
15
–A
0
40000
16
0
0
0000
16
FFFF
16
000000
16
07FFFF
16
nBank
0
0
BFFFF
16
040000
16
0BFFFF
16
1
080000
16
0FFFFF
16
1
0
0C0000
16
13FFFF
16
1
100000
16
17FFFF
16
2
0
140000
16
1BFFFF
16
1
180000
16
1FFFFF
16
3
0
1C0000
16
23FFFF
16
1
200000
16
27FFFF
16
4
0
240000
16
2BFFFF
16
1
280000
16
2FFFFF
16
5
0
2C0000
16
1
300000
16
37FFFF
16
6
0
340000
16
3BFFFF
16
1
40000
16
7FFFF
16
380000
16
7
0
80000
16
BFFFF
16
3C0000
16
3FFFFF
16
C0000
16
CFFFF
16
3C0000
16
3CFFFF
16
D0000
16
DFFFF
16
Internal ROM access
Internal ROM access
Internal ROM access
Internal ROM access
A21
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
1
1
1
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
0
1
1
1
1
1
0
0
1
1
0
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
40000
16
BFFFF
16
40000
16
BFFFF
16
40000
16
BFFFF
16
40000
16
BFFFF
16
40000
16
BFFFF
16
40000
16
BFFFF
16
40000
16
BFFFF
16
40000
16
BFFFF
16
40000
16
BFFFF
16
40000
16
BFFFF
16
40000
16
BFFFF
16
40000
16
BFFFF
16
40000
16
BFFFF
16
D0000
16
DFFFF
16
0000
16
FFFF
16
0000
16
FFFF
16
0000
16
FFFF
16
0000
16
FFFF
16
0000
16
FFFF
16
0000
16
FFFF
16
0000
16
FFFF
16
0000
16
FFFF
16
0000
16
FFFF
16
0000
16
FFFF
16
0000
16
FFFF
16
0000
16
FFFF
16
0000
16
FFFF
16
0000
16
FFFF
16
0000
16
FFFF
16
0000
16
FFFF
16
33FFFF
16
3BFFFF
16
N.C.: No connected
Memory expansion mode where PM13 =0