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November 8, 2004: Power48 v1.5.1 update released!
A couple of last-minute bugs crept up, so this version was released to
squash 'em...
- MAJOR BUG FIX: Keyboard handling issue with alpha-shifted keys in
320x320 mode fixed. Should fix slowdowns and lock-ups some were seeing.
- Altered memory allocation a little further to fix a different
problem with 49G target on Tungsten T5.
More information is available in the Changelog.txt file included in the
download. All user of previous versions of Power48 should upgrade to
this version.
November 8, 2004: Power48 v1.5 final released!
Power48 version 1.5 is out of beta testing and available for downloading
at this site. Here are some of the changes since the first beta:
- MAJOR BUG FIX: Fixed intermittent lock-up due to keyboard
handling routine modifications
- Enhanced support for PalmOne 5-Way navigator and Tapwave
Zodiac Navigator
- Implemented global key click sound option
- Added battery saving code (activated when 'True calculator
speed' option is selected)
- Tungsten T5 memory allocation problem solved
More information is available in the Changelog.txt file included in the
download. All user of previous beta versions of Power48 should upgrade to
this version.
August 17, 2004: Power48 v1.5 beta released!
Please see readme file included in download archive for instructions on
obtaining and/or converting HP ROM images for use with Power48.
Major change in this release: ROM/RAM images can be stored internally,
and installation can be accomplished solely through hotsync.
 Power48 is a PalmOS based emulator for the Hewlett-Packard
48SX, 48GX and 49G series of calculators. It provides a fairly complete
emulation of the Saturn CPU upon which these calculators are based and is able
to run a majority of the programs available for them. It emulates one instance
each of the 48SX, 48GX and 49G, and maintains complete and separate state
information for each allowing the user to quickly switch between either one.
Power48 is based primarily on Emu48 originally written by
Sebastien Carlier and now maintained and updated by Christoph Gießelink. It is
important to note however that Power48 is not 100% equivalent to Emu48, as state
and port files generated by Emu48 are not compatible with Power48 and
vice-versa. Additionally, the core emulation code has been almost completely
rewritten and optimized for the Palm platform in an attempt to squeeze in every
ounce of performance possible.
Power48 requires the presence of a ROM image for each
target (48SX, 48GX, and 49G) that the user wishes to emulate. These ROM images
are the property of and copyrighted by Hewlett-Packard and are not
distributed with this emulator. Please see the installation for directions on
obtaining ROM images and how to install them. NOTE: The ROM images previously
distributed with Power48 versions less than 1.5 will NOT work as is. They will
need to be converted for use with version 1.5 with the included ROM conversion
utility.
Power48 is an open source project and is distributed in
accordance with GNU General Public License.
 Features:
- Robust Saturn CPU emulation
- Supports 48SX, 48GX, and 49G ROM images
- ROM/RAM images can be loaded internally or from VFS expansion
- Ability to load/save objects to/from stack level 1
- Supports MetaKernel shell replacement
- Support for merge-able 128K expansion card in port 1
- Support for 320x320 and 320x480 displays
- Supports screen zooming in 320x320 mode
- Virtual LCD display support including contrast adjustment and
alternate colors
- Virtual keyboard support
- Full state and memory saving for quick resume
- Support for mapping PalmOS internal real time clock to HP48 clock
- Beep support through Makebeep patch
- ARM native emulation core faster than real calculator!
- Small memory footprint on OS5 devices with large heap space
- Support for background images on calculator display
- Support for pixel color cycling effect
System Requirements:
Power48 has the following minimum hardware requirements for correct
operation:
- PalmOS 5 based device
- High resolution screen of at least 320x320 resolution. (320x480 and
480x320 (Sony UX-40/50) also supported)
- 16-bit display color depth
- ARM CPU
- 16MB internal memory
 Download Links:
Power48 Application: v1.5.1
Power48 Source code: v1.5.1
The manual for Power48 is already included in the distribution package in
.pdf format, but if you'd like the manual in MS Word format you can download
it here.
PalmOne Tungsten T3 DIA Compatibility .prcs
Donations:
Power48 is a free program distributed under the GPL, but unfortunately
testing hardware and development environments are not. Working on this program
also requires large amounts of my free time. If you're feeling generous and find
this program useful and would like to support it's continued development, maybe
you'd like to make a donation to help offset the costs of developing it? If you
feel so inclined, you can send me your donation through PayPal via the following
email address support@power48.mobilevoodoo.com or by clicking the link below.
Thank you very much! - Robert Hildinger, developer Power48
Technical Support:
For all Power48 support issues...
email:
support@power48.mobilevoodoo.com
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