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Command Sequence:
Operand Data:
The single operand is the long-word address of the requested memory
location.
Result Data:
The requested data is returned as either a word or long word. Byte data is
returned in the least significant byte of a word result, with the upper byte
cleared. Word results return 16 bits of significant data; long-word results
return 32 bits.
A successful read operation returns data bit 16 cleared. If a bus or address
error is encountered, the returned data is $10001.
7.2.8.9 Write Memory Location (WRITE)
Write the operand data to the memory location specified by the long-word
address. The destination function code (DFC) register determines the address
space accessed. Only absolute addressing is supported.
Valid data sizes
include byte, word, and long word.
Command Format:
15
14
13
12
11
10
9
8
7
6
o
I
0
I
0
I
1
1
o
I
0
I
0
I
OP SIZE
CPU32 REFERENCE MANUAL
DEVELOPMENT SUPPORT
5
4
3
o
010101010101
MOTOROLA
7-23
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