I/O Address Locations - IBM 3278 Technical Reference

I/O Address Locations
This table describes the 110 address locations for the registers
that define and control the emulation adapter.
Base Address Low Address
Hex I/O Space Bits
Register
200 000
I nterru pt/Status Register
201 001 Visual/Sound Register
202
010
Cursor Address Register 7-0
203
o
1 1 Cursor Address Register 15-8
204
100
Control Register
205 1 0 1 Scan Code Register
206 1 1 0 Terminal 10 Register
I/O Address Locations
1-3