10. Parallel I/O
95
76
5
4
32
10
00 0
21
0
Port Write Inhibit
0 Inactive
1 Active
Port
Port
Port
Mode: Enhanced (Bank 0)
Address: 7Fh
Access: Read and Write
Register: Mask
Bank
Bank Address
00 Bank 0
01 Bank 1
10 Bank 2
11 Undefined
Bank
1
0
Mask Register
