Bug in the HP-41 with R/S and stack lift

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Bug in the HP-41 with R/S and stack lift

11-02-2020, 08:09 PM

Post: #21

Thomas Okken Offline

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RE: Bug in the HP-41 with R/S and stack lift

(11-02-2020 01:15 PM)Ángel Martin Wrote: I keep assuming that ST+ puts the X value in LastX, which it does not.... counter-intuitive for me.

Why? The register arithmetic functions are guaranteed not to change the value of X (unless you count ST+ X etc.), so why would they copy X into LASTx?

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Messages In This Thread

Bug in the HP-41 with R/S and stack lift - hth - 10-31-2020, 05:10 AM

RE: Bug in the HP-41 with R/S and stack lift - hth - 10-31-2020, 05:14 AM

RE: Bug in the HP-41 with R/S and stack lift - Didier Lachieze - 10-31-2020, 06:24 AM

RE: Bug in the HP-41 with R/S and stack lift - hth - 10-31-2020, 07:36 AM

RE: Bug in the HP-41 with R/S and stack lift - toml_12953 - 10-31-2020, 09:53 AM

RE: Bug in the HP-41 with R/S and stack lift - Didier Lachieze - 10-31-2020, 11:47 AM

RE: Bug in the HP-41 with R/S and stack lift - J-F Garnier - 10-31-2020, 12:56 PM

RE: Bug in the HP-41 with R/S and stack lift - Sylvain Cote - 10-31-2020, 12:19 PM

RE: Bug in the HP-41 with R/S and stack lift - rprosperi - 10-31-2020, 01:22 PM

RE: Bug in the HP-41 with R/S and stack lift - hth - 10-31-2020, 06:03 PM

RE: Bug in the HP-41 with R/S and stack lift - rprosperi - 10-31-2020, 11:50 PM

RE: Bug in the HP-41 with R/S and stack lift - Paul Dale - 11-01-2020, 09:17 AM

RE: Bug in the HP-41 with R/S and stack lift - Didier Lachieze - 11-01-2020, 09:33 AM

RE: Bug in the HP-41 with R/S and stack lift - Paul Dale - 11-01-2020, 09:58 AM

RE: Bug in the HP-41 with R/S and stack lift - ijabbott - 11-01-2020, 03:35 PM

RE: Bug in the HP-41 with R/S and stack lift - Thomas Okken - 11-01-2020, 05:08 PM

RE: Bug in the HP-41 with R/S and stack lift - vassilisprevelakis - 11-02-2020, 01:15 PM

RE: Bug in the HP-41 with R/S and stack lift - Ángel Martin - 11-02-2020, 01:15 PM

RE: Bug in the HP-41 with R/S and stack lift - vassilisprevelakis - 11-02-2020, 01:29 PM

RE: Bug in the HP-41 with R/S and stack lift - Ángel Martin - 11-02-2020, 05:33 PM

RE: Bug in the HP-41 with R/S and stack lift - Thomas Okken - 11-02-2020 08:09 PM

RE: Bug in the HP-41 with R/S and stack lift - Valentin Albillo - 11-02-2020, 08:59 PM

RE: Bug in the HP-41 with R/S and stack lift - Ángel Martin - 11-03-2020, 06:37 AM

RE: Bug in the HP-41 with R/S and stack lift - Valentin Albillo - 11-03-2020, 06:23 PM

RE: Bug in the HP-41 with R/S and stack lift - Gene - 11-03-2020, 12:34 AM

RE: Bug in the HP-41 with R/S and stack lift - Thomas Okken - 11-03-2020, 12:43 AM

RE: Bug in the HP-41 with R/S and stack lift - Didier Lachieze - 11-05-2020, 05:57 PM

RE: Bug in the HP-41 with R/S and stack lift - Roland57 - 11-23-2020, 06:36 PM

RE: Bug in the HP-41 with R/S and stack lift - hth - 11-23-2020, 06:12 PM

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