Appendix B Self-Test Error Messages; Introduction - Motorola M68CPU32BUG User Manual

Debug monitor
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B.1 INTRODUCTION
On power-up or reset, CPU32Bug executes a system self-test (confidence test) to verify system
integrity before issuing the sign-on message (SIGNON) and monitor prompt (CPU32Bug>). If an
error is detected, testing is aborted and an error message is printed after the sign on message and
monitor prompt. Error messages are summarized in Table B-1. The error address is displayed as
"000EXXXXXX" because the actual error address is only significant to qualified repair
personnel. Additional error values, such as address and data information, may also be printed.
CPU Register Test:
ERROR $01 @ $000EXXXX, CONFIDENCE TEST FAILED
ERROR $02 @ $000EXXXX, CONFIDENCE TEST FAILED
ERROR $03 @ $000EXXXX, CONFIDENCE TEST FAILED
ERROR $04 @ $000EXXXX, CONFIDENCE TEST FAILED
ERROR $05 @ $000EXXXX, CONFIDENCE TEST FAILED
ERROR $06 @ $000EXXXX, CONFIDENCE TEST FAILED
ERROR $07 @ $000EXXXX, CONFIDENCE TEST FAILED
CPU Instruction Test:
ERROR $10 @ $000EXXXX, CONFIDENCE TEST FAILED
ERROR $11 @ $000EXXXX, CONFIDENCE TEST FAILED
ERROR $12 @ $000EXXXX, CONFIDENCE TEST FAILED
ERROR $13 @ $000EXXXX, CONFIDENCE TEST FAILED
ERROR $14 @ $000EXXXX, CONFIDENCE TEST FAILED
ERROR $15 @ $000EXXXX, CONFIDENCE TEST FAILED
ERROR $16 @ $000EXXXX, CONFIDENCE TEST FAILED
M68CPU32BUG REV 1
APPENDIX B
SELF-TEST ERROR MESSAGES
Table B-1. Self-Test Error Messages
Test Type and Error Message
SELF-TEST ERROR MESSAGES
B-1
Failure Description
Dn test #1
Dn test #2
Dn test #3
SR
VBR, USP
An
Exchange
AND, OR, NOT, EOR
ADD, SUB
MUL, DIV
BSET, BCLR
LSR
LSL
DBF

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