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Each volume has its own desktop file. Have you rebuilt all of them? (I assume yes) (From memory) 6.0.8 has a volume size limit of 2GB, you mentioned “multiple gigs” of data, I assume each individual volume is below the 2GB limit?

You can see/change type & creator info in ResEdit without actually opening the file. Chose “File —> Get File/Folder Info…” before opening anything.

Yes old Fetch definitely worked on System 6. No idea about 2.1.2 particularly. What happens when you try it?

I’m happy to share here TidyMenus (a.k.a. NoLabel 2.0) https://macintoshgarden.org/apps/tidymenus , a simple little Control Panel for System 7 and 8 that can: Hide/Show the Help menu in all applications Re-show the Help menu across all applications at any time, just by opening the Control Panel...

Ooo I like it. Great idea, would love to give it a try. (instant affordance suggestion: stick a “hand doing thing” design atop that icon so it looks like a utility application instead of a document 😀 )

I would say then in general - if your Plus accelerator crashes at the Finder after you add drivers, it’s more likely your drivers are borked than that your SCSI is incompatible, in my experience anyway. (In particular if your SCSI even gets you thru the boot sequence, it is probably working fine.)

Are you sure the issue is specific to using a SCSI emulator? You didn’t actually say whether you can boot successfully with the driver installed (GemStart) but using native SCSI. I ask because these old accelerator drivers are notoriously finicky. Anyway I have never used this Performer...

True, but you can still decompile your resources and post the .r file on git. THINK C 5 still includes SARez as a stand-alone resource compiler, it just won’t auto-build your resources from the IDE just by including the .r file in your project like THINK C 6 will.

Thanks for posting this, I have a few HyperDrive machines in various states of repair and I love them. It’s still kind of a thrill running a vintage internal hard drive in a machine lIke a 512k that had no business having one!

Edit: I think I must have been crazy - are the 7.1 and 7.5.5 desktop databases actually compatible? Anyway I installed Desktop Mgr (linked above) on my 6.0.8 setup and now never seem to have to rebuild the desktop file under any combination of switching between 7.5.5, 7.1, and 6.0.8. It’s...

I’d like to know more about the Desktop Manager …. Is it this? https://macintoshgarden.org/apps/desktop-mgr-201 System 7 desktop files aren’t all the same: for example, I always have to rebuild the desktop when switching between 7.1 and a 7.5.5. Do you know if Desktop Manager causes System...

It looks like OP has asked the same question on 68KMLA, I have posted my thoughts there: https://68kmla.org/bb/index.php?threads/seeking-basic-example-in-c-c-using-the-process-to-process-communication-toolbox.45724/post-507018

Nice idea, count me in. I’m a long-ago founder of an Apple-registered Macintosh User Group (1991, give or take, at my high school). I am amazed/impressed they still do this — though it looks like most of the work has been farmed out to the “User Group Advisory Board” group linked above...

I’m a longtime fan of Bluestone Lane, an Aussie-founded NYC-based small chain of 3rd wave coffee shops. This is my daily driver: https://shop.bluestonelane.com/products/maverick-espresso-coffee-blend And like @Paolo B I use it almost entirely for straight espresso. Italians really know...

Nice tip, hadn’t seen this one before - and I quite enjoyed that it has a 1-star review on Amazon because someone complained that the material was dated … in 2001 😊 Sounds like it’s just right for us!

For sure. You can do the calculation in a VBL, but at some point the process has to yield or you can’t display anything.

This is true, but one can measure which processes are using the CPU what % of the time, and do so accurately even if no process yields the CPU by checking (for example) the current application’s name 60 times/second from a VBL interrupt. It’s not actually very hard. That’s probably what apps...

Any of the MacTutor anthologies are awesome if you are into vintage development at all. The are a bit hard to find if you want hard copies (be patient and set up searches on eBay and AbeBooks, it took me maybe a year but I now have all 5 volumes)...

Right — the Plus and the SE don’t have Color QuickDraw at all (hence you can’t call GetNewCWindow), whereas the SE/30 does (it just can’t show any of those colors on the internal monitor). This has tripped me up before! gestaltHasColor shouldn’t be true on a Plus I’m pretty sure — are you...

It’s not the 68000 that’s tripping you up, it’s the ROM. The Plus ROM doesn’t have the Graphics Devices calls in it, so you can’t call GetMainDevice. Pre-Device Manager, you can check the QuickDraw global variable screenBits.bounds to get the bounding rectangle of the display. (You meant...