Motorola M68CPU32BUG Manuel d'utilisateur Page 164

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DIAGNOSTIC FIRMWARE GUIDE
M68CPU32BUG/D REV 1 6-20
MT H Random Byte Test MT H
6.5.8 Random Byte Test
CPU32Diag>MT H
MT H performs a random byte test from Start Address to Stop Address. The random byte test
has been implemented in this manner:
1. A register is loaded with the value $ECA86420.
2. For each memory location:
Copy the contents of the register to the memory location, one byte at a time.
Add $02468ACE to the contents of the register.
Proceed to next memory location.
3. Reload $ECA86420 into the register.
4. For each memory location:
Compare the contents of the memory to the register to verify that the
contents are good, one byte at a time.
Add $02468ACE to the contents of the register.
Proceed to next memory location.
EXAMPLE
After the command is entered, the display should appear as follows:
H MT Random Byte Test................Running ---------->
If an error occurs, then the memory location and other related information are displayed.
H MT Random Byte Test................Running ---------->..... FAILED
(error-related information)
If no errors occur, then the display appears as follows:
H MT Random Byte Test................Running ----------> PASSED
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