Motorola CPU32 Reference Manual page 312

M68300 series central processor unit
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7.2.8.4 Read AID Register (RAREG/RDREG)
Read the selected address or data register and return the results via the serial
interface.
Command Format:
15
14
13
12
11
10
9
8
7
6
5
4
3
2
0
o
I
0
I
1
I
0
I
0
I
0
I
0
I
1
I
1
I
0
I
0
I
0
I
AID
I
REGISTER
Command Sequence:
RDREGIRAREG
???
Operand Data:
None
Result Data:
The contents of the selected register are returned as a long-word value. The
data is returned most significant word first.
7.2.8.5 Write AID Register (WAREG/WDREG)
The operand (long-word) data is written to the specified address or data
register. All 32 bits of the register are altered by the write.
Command Format:
15
14
13
12
11
10
9
8 7 6
o
I
0
I
1
o
I
0
I
0
o
I
0
I
1
I
0
I
CPU32 REFERENCE MANUAL
DEVELOPMENT SUPPORT
5 4 3
ololAlol
2
a
REGISTER
MOTOROLA
7-19

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