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You certainly should! I admit I haven’t tested that yet. It would be fairly slow probably. The video capture was on a Mac II emulator running at 16x (my default). It might be OK on an 040 or PPC.

Not sure if anyone else is addicted to running Mini vMac for iPad and carrying it around with you everywhere you go, but … I am. And it’s bugged me that when running it, the obvious thing to do - scrolling documents open in Mini vMac by swiping on the iPad - doesn’t work. (I mainly use it for...

6.0.8 is lighting fast and with MultiFinder and a handy batch of extensions like StickyClick is highly usable. I love it.

Oh gosh I hadn’t known that but now see the related e-maculation thread. That’s very concerning.

I shared this with gryphel but posting here in case anyone @cheesestraws has seen it or can find something wrong with my very simple code blow: In short, the _Microseconds trap, when called repeatedly in a tight loop in Mini vMac (tested on multiple modern machines) seems to start repeating...

I was not familiar with this, thanks for mentioning. Looks interesting. I will try it … But for OP’s purposes I am skeptical. It would be easy in principle to measure the memory allocated in the System Heap at INIT time, which is probably of interest, but doesn’t tell the whole story...

Hi, I’m sorry for the delay in looking at this due to family things. This is the most complete set of Mac Tech Notes I’ve personally seen, which is pretty cool. I can’t remember if I asked you elsewhere - where did you find this? This isn’t internal information - the Tech Notes were of...

I’ve seen this associated with an INIT (in particular, ones I’ve written!) behaving badly. I am not sure why. It is very random. Is it possible the MBDF is the first resource loaded after INIT time, so if you leave the resource manager or system heap in a bad state when your INIT exits, this is...

Yeah you need to bend the rails slightly with a screwdriver. It’s fine. They will snap right back.

I have this one specifically, which it looks like is currently sold out but I’m sure the other available options are equivalent. LANMU 48CM SD Card to SD Card Extension Extender Cable SDHC 4 8 16 32 GB Compatible with SanDisk SDXC/Raspberry Pi/Arduino GPS TV SDXC https://a.co/d/fEYJy89

I use one. Works great. You can route them right through the security slot, so I just stuck my SD card “reader” end to the rear outside of my SE/30 with a Velcro dot.

HasDepth is in <Palettes.h> and should definitely be available in THINK C 5. (THINK Reference can tell you this right up at the top of each Toolbox call’s entry. Definitely use THINK Reference if you aren’t already!) GWorlds are just a way to do the setup and tear down — in between you are...

Yeah. Almost any book from the 90s assumed GWorlds, naturally. The first edition of this book (not the later second edition) is old enough to precede them, so its full treatment of offscreen graphics without GWorlds is pretty unusual I think.

Oh - it doesn’t look like you’re turning on the high bit of rowBytes. You need to do this to tell CopyBits (which can accept either a BitMap or a PixMap) that you’re giving it a PixMap. (**aPixMap).rowBytes &= 0x80000000; I’m also not totally familiar with the way you’re getting a color table...

GWorlds are actually supported under later versions of System 6 (6.0.3 and above, maybe?) if you just install the 32-bit Color QuickDraw INIT in the System Folder. (I brought this to someone else’s attention a while back but now can’t find where that INIT exists online — it’s definitely around...

I always enjoyed this classic meme about MacOS assembly. (That IS what it’s about … right??)

Interesting possibility, so does anyone know where to find a “ROM Symbol File” and how to make it accessible to Macsbug?

Was the 8•24 GC actually “meant for” the IIfx in particular? (I know lowendmac says this, but that doesn’t mean it’s true.) I had one in my IIci (which came out 6 months before the IIfx), I’m pretty sure circa 1990. It was just a NuBus card that ran in all the NuBus Macs, right?

They are all available here https://vintageapple.org/

Yes, to be explicit, you need to transfer the .sit file to your emulated Mac and run StuffIt Expander there.