Motorola CPU32 Reference Manual page 313

III
Command Sequence:
Operand Data:
Long-word data is written into the specified address or data register. The
data is supplied most significant word first.
Result Data:
Command complete status ($OFFFF) is returned when register write is
complete.
7.2.8.6 Read System Register (RSREG)
The specified system control register is read. All registers that can be read in
supervisor mode can be read in 8DM. Several internal temporary registers are
also accessible.
Command Format:
15 14 13
12 11 10
9 8 7
6
5
4
3
o
o
1
0
1
1
o
1
0
1
1
010111010101
REGISTER
Command Sequence:
Operand Data:
None
MOTOROLA
7-20
DEVELOPMENT SUPPORT CPU32 REFERENCE MANUAL