
4
M
M
dvoUd
P
S
F
000000
16
080000
16
100000
16
180000
16
200000
16
280000
16
380000
16
3FFFFF
16
ROM address
40000
16
7FFFF
16
3C0000
16
340000
16
2C0000
16
240000
16
1C0000
16
140000
16
0C0000
16
040000
16
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
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AAA
Data
Program or data
300000
16
bank 0
Microcomputer address
OFS bit of the DBR register=1
40000
16
7FFFF
16
40000
16
7FFFF
16
40000
16
7FFFF
16
40000
16
7FFFF
16
40000
16
7FFFF
16
40000
16
7FFFF
16
40000
16
7FFFF
16
40000
16
7FFFF
16
40000
16
7FFFF
16
40000
16
7FFFF
16
40000
16
7FFFF
16
40000
16
7FFFF
16
40000
16
7FFFF
16
40000
16
7FFFF
16
Program or data
bank 7
40000
16
7FFFF
16
A20
A19
A18
N.C.
A17
A16
A15–A0
Address input for 4-Mbyte ROM
AdMbyte ROM
A
18
CS output
Address output
OFS
Access
area
Output from the microcomputer pins
CS3
CS2
CS1
A
19
A
17
A
16
A
15
–A
0
7FFFF
16
40000
16
0
0
0000
16
FFFF
16
000000
16
03FFFF
16
040000
16
Bank
number
0
0
07FFFF
16
080000
16
0BFFFF
16
1
1
0
0C0000
16
0FFFFF
16
1
100000
16
13FFFF
16
2
0
140000
16
17FFFF
16
1
180000
16
1BFFFF
16
3
0
1C0000
16
1FFFFF
16
1
200000
16
23FFFF
16
4
0
240000
16
27FFFF
16
1
280000
16
2BFFFF
16
5
0
2C0000
16
1
300000
16
33FFFF
16
6
0
1
1
340000
16
37FFFF
16
1
0
0
380000
16
7
0
Internal ROM access
7
1
1
1
3C0000
16
3FFFFF
16
80000
16
Internal ROM access
Internal ROM access
Internal ROM access
A21
2FFFFF
16
3BFFFF
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
0
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
0
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
0
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
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
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
1
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
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
40000
16
7FFFF
16
40000
16
7FFFF
16
40000
16
7FFFF
16
40000
16
7FFFF
16
40000
16
7FFFF
16
7FFFF
16
40000
16
40000
16
7FFFF
16
40000
16
7FFFF
16
7FFFF
16
40000
16
40000
16
7FFFF
16
40000
16
7FFFF
16
7FFFF
16
40000
16
40000
16
7FFFF
16
40000
16
7FFFF
16
FFFFF
16
40000
16
80000
16
FFFFF
16
7FFFF
16
N.C.: No connected
Memory expansion mode where PM13 =1