Google Groups no longer supports new Usenet posts or subscriptions. Historical content remains viewable.
Dismiss

[HP-48] Disable Auto Power Off?

46 views
Skip to first unread message

Jim Frame

unread,
Jan 18, 2001, 11:10:19 PM1/18/01
to
Is there a way to disable the auto poweroff feature of a 48GX? I don't mind
it in the 48 itself, but it's annoying when using EMU-48.

Thanks.

---------------------------------------------------------------------
Jim Frame jhf...@dcn.davis.ca.us (530) 756-8584 756-8201 (FAX)
Frame Surveying & Mapping 609 A Street Davis, CA 95616
-----------------------< Davis Community Network >-------------------


Jean-Yves Avenard

unread,
Jan 19, 2001, 3:08:46 AM1/19/01
to
You can't by default.

But if you install the MetaKernel (available at
http://www.epita.fr/~avenar_j/hp/48.html ) then you can set your calculator
to never turn off (or to turn off every 3 hours and so on ..)

Jean-Yves

"Jim Frame" <jhf...@dcn.davis.ca.us> wrote in message
news:H5P96.5024$74.6...@e420r-sjo3.usenetserver.com...

Christoph Giesselink

unread,
Jan 22, 2001, 8:02:28 PM1/22/01
to
There was a ROM patch to eliminate an auto power problem. This patch worked
only sometimes. So I decided to make some "new" patches. All addresses are
undocumented, they may be different in non tested ROM versions. Each patch
replace the original ROM code during the emulation. The original ROM file is
untouched.

-HP38G v1.67
014A1:6300; disable 10 min auto off (internal, undocumented)

- HP39/40G v1.40
0148D:6300; disable 10 min auto off (internal, undocumented)

- HP48SX-E and HP48GX-R
01477:6300; disable 10 min auto off (internal, undocumented)

- HP49G v1.18 and v1.19-5
41262:6300; disable 10 min auto off (internal, undocumented)

The best place for the patch is the beep.* file. Mostly every Emu48 KML
script include a file with the name beep.* with an extension belonging to
the emulated calculator or ROM.

beep.38g for HP38G
beep.39g for HP39/40G
beep.ext or beep.48 for HP48SX/GX (look inside your KML script)
beep.49g for HP49G

Just add the patch line before or after the existing one.

Sample for the beep.ext file

01477:6300; disable 10 min auto off (internal, undocumented)
017A6:81B1; =makebeep


Remember the HP48 Metakernel his it's own auto power off handler, which is
replacing the original one. So I expect that the HP48 patch don't work then.

Hope this helps

Christoph

"Jim Frame" <jhf...@dcn.davis.ca.us> schrieb im Newsbeitrag
news:H5P96.5024$74.6...@e420r-sjo3.usenetserver.com...

0 new messages