User`s guide

Address Assignments
A.5 Processor Registers
Table A–1 (Cont.) Processor Registers
Number
Register
Name Mnemonic (Dec) (Hex) Type Impl Cat
I/O
Address
NDAL
Error
Output
Address
NEOADR 176 B0 R NVAX 2-5
Reserved 177 B1 NVAX 2-6
NDAL
Error
Output
Command
NEOCMD 178 B2 R NVAX 2-5
Reserved 179 B3 NVAX 2-6
NDAL
Error Data
High
NEDATHI 180 B4 R NVAX 2-5
Reserved 181 B5 NVAX 2-6
NDAL
Error Data
Low
NEDATLO 182 B6 R NVAX 2-5
Reserved 183 B7 NVAX 2-6
NDAL
Error
Input
Command
NEICMD 184 B8 R NVAX 2-5
Reserved 185–
207
B9 NVAX 2-6
VIC
Memory
Address
Register
VMAR 208 D0 RW NVAX 2-5
VIC Tag
Register
VTAG 209 D1 RW NVAX 2-5
VIC Data
Register
VDATA 210 D2 RW NVAX 2-5
(continued on next page)
A–16 Address Assignments