CP/M 3 test on A2 - 9 failures

[Chris Wall]

I haven't had any cause for concern with my system, and was poking around today. After running the test in the User 2 part of my "A" drive, I get 9 out of 159 test failing:

095 IN A,(N)- FAILED
096 IN R,(C)- FAILED
097 IN (C)- FAILED
098 INI- FAILED
099 IND- FAILED
100 INIR- FAILED
101 INDR- FAILED
102 INIR->NOP'- FAILED
103 INDR->NOP'- FAILED

I really know nothing about Z80 at this level, so if anyone wouldn't mind throwing me a direction to start troubleshooting and weigh in on if these are anything to be super concerned about. 

Thanks in advance for your help.

[Wayne Warthen]

Not an issue Chris.  The tests of port input instructions will always fail because they rely on specific input values at the ports.  The test routines were written for a specific machine and the RC2014 systems will not present the expected values at the port.  Updating the test routines for other systems is painful because every system is different.

Thanks, Wayne

[Chris Wall]

Music to my ears. Thank you. I'd just printed a case for it and closed things up. Welp, at least I know how to disassemble the case. I'd reseated and reordered cards with expanded bus capabilities just to be all "safety sam" about it. 

I'm amazed what a great learning tool this has been. Thanks again!

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