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Infinite Mac has added support for running multiple PowerPC versions of BeOS in a browser. The project’s creator says the work also led to compatibility fixes in the DingusPPC emulator, while details such as the full list of supported releases are not specified in the report.
Infinite Mac now lets users run multiple PowerPC versions of BeOS in a browser, adding the multimedia-focused operating system to a project that hosts classic Mac environments. The site’s creator says users can boot BeOS, use software from the site’s library, load CD-ROM images and save work to a virtual drive.
The addition runs BeOS on DingusPPC, an emulator for PowerPC Macintosh hardware that Infinite Mac already used for Mac operating systems. The site’s creator initially set up a Power Macintosh 7300, a model supported by BeOS, and used an installation CD to make a disk image. Work to support other versions exposed compatibility issues that required changes to the emulator.
According to the project report, those fixes addressed several differences in how BeOS and Mac OS interacted with the emulated hardware. They included a bug that made BeOS detect modifier keys as held down, a display problem when changing screen depth, and support for video memory updates used by earlier BeOS releases. The report also says BeOS had trouble mounting some HFS disk volumes created for the site because it checked certain structures more strictly than Mac OS.
Infinite Mac’s existing features carry over: large disk images stream as needed, software is available through the site’s Infinite HD library, and users can insert CD-ROM images from the Internet Archive. A “Saved HD” drive lets them retain work. The site also adjusts BeOS’s stored screen-resolution settings to match the browser window. For Developer Release 8, version 2, the creator says the site selects a working date so that release can boot despite its historical date restriction.
A New Way to Explore BeOS
The browser-based release makes an operating system associated with mid-1990s Power Macs easier to try without locating original hardware or configuring a local emulator. Readers can examine BeOS’s interface and included tools directly, while the saved virtual drive and software library make the experience more than a brief boot screen.
The development also has a technical consequence beyond the site. Its creator says testing a system other than Mac OS uncovered assumptions in DingusPPC’s hardware emulation, leading to fixes that improved compatibility. That work may help the emulator handle other alternative operating systems, although support for them is described as a possibility rather than a completed feature.
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BeOS and the Power Mac Era
BeOS was developed by Be, Inc. as a multimedia-oriented, multitasking operating system and was later ported to Power Macintosh computers. The report describes its speed, Unix-like shell and POSIX subsystem as notable features from a modern perspective. BeOS also drew attention in the Mac community at a time when Apple was looking for a next-generation operating system and considered acquiring Be, according to the project’s account.
The site’s creator says the project’s earlier Mac-focused development meant DingusPPC could rely on behaviors particular to Mac OS. Adding BeOS tested different hardware paths. The report credits the emulator’s maintainers with having brought it close to working before these changes, and says the creator believes DingusPPC may be the only emulator able to run PowerPC versions of BeOS. That exclusivity is the author’s assessment, not an independently established comparison in the report.
Supported Versions and Limits
The report does not provide a complete list of the BeOS releases available on Infinite Mac, nor does it specify browser compatibility, performance measurements or any limitations users may encounter. The creator’s statement that DingusPPC may be the only emulator capable of running PowerPC BeOS is presented as a belief, not a verified survey of emulators.
It is also unclear whether the project will add MkLinux, Rhapsody or other operating systems, or when that work might happen. The announcement describes those systems as possible future targets only.
Further Emulator Compatibility Work
For now, users can try the BeOS environments through Infinite Mac’s site and save work on the virtual drive. The creator says the BeOS work has made them hopeful about testing additional PowerPC operating systems, including MkLinux and Rhapsody, but has not announced a schedule or confirmed plans for either. Any further additions would depend on continued emulator and site development.
Key Questions
What has Infinite Mac added?
It has added browser-based access to multiple PowerPC versions of BeOS, using the DingusPPC emulator.
Can users save work in BeOS?
Yes. The announcement says users can save work to a virtual “Saved HD” drive.
Can users load applications or discs?
Users can access pre-installed software from Infinite HD and insert CD-ROM images from the Internet Archive, according to the project report.
Does the BeOS addition mean Infinite Mac supports MkLinux or Rhapsody?
No. The creator mentions those systems as possible future compatibility targets; the announcement does not say either is currently available.
Why did BeOS require changes to the emulator?
Testing BeOS exposed hardware-emulation issues that had not surfaced when the project focused mainly on Mac OS, including display handling, keyboard input and disk-volume compatibility.
Source: blog.persistent.info
