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Different ROM versions HP80?
11-12-2016, 11:14 PM
Post: #3
RE: Different ROM versions HP80?
(11-12-2016 04:52 PM)Etienne Victoria Wrote:  Ok,

Here :

1247A 05142 and 1247A 46954 both put a 10 in the x register.

I'll try to get a hand on my Singapores and report.



Hi Etienne!

Your Calculator has arrived today, thanks a lot!
It is without battery terminals and I need to work out why the decimal points are not working. Also I will replace one LED cluster due to a bad Segment. But I have all the parts to do this, so please keep your other calculators. You will need one to put the PCB in once I send it to you.

However I tested this one and it behaves exactly like the one I already have. Both are the newer version with the 2 ROM chips. So I guess the version with the hybrid is not only physically different, but also the contents is different

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Different ROM versions HP80? - Harald - 11-12-2016, 01:59 PM
RE: Different ROM versions HP80? - Harald - 11-12-2016 11:14 PM

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