Recent content by Snial

(and @harrymatic ) I don't think that's really true. For example, Cubase Lite will work without any MIDI manager since the MIDI interface can be driven directly from the application based on a 500kHz, 1MHz or 2MHz clock. https://macintoshgarden.org/apps/cubase-lite-10-68k The menu option...

Hi @old_hitech. I was able to unzip the zbasic.sit file using the Stuffit Expander available via Infinite Mac (I used the Quadra 650 emulator). Inside there's an image for ZBasic 3.02. I was able to mount that using DiskCopy. I then copied that to my local MacBook and then opened the disk using...

Hi, thanks for the link. I've finally managed to have a go at testing it, but it doesn't see this drive either. When you try any of the file options for copying or formatting (the only ones I've tried so far), it first scans for SCSI IDs, and in my case, with the 340MB HD that used to work, it...

:ROFLMAO: There's always a reason to liberate an ARM CPU ;-) ! Anyway, perhaps there's another way (@Phipli ): Modify the ROM so there's a back door that lets you execute ARM code directly. My guess though is one already exists because it's the kind of thing developers would do.

Weird. I thought that the clock input frequency on an ARM2 was twice the CPU frequency. However, they're right - a 10MHz VL86C010 can execute instructions at up to 10MIPs. The 6MIPs is only an average. Unfortunately, Radius left the window on their EPROM uncovered, so the QuickDraw speed-up...

Oh, right. I assumed it had its own frame buffer. But a standard 640x480 takes 300kB. A few months back I was playing with MAME’s SparcStation 1 emulator, which runs in realtime. The SS1 (May 1989) had a 20MHz Sparc, with only a multiply step operation (32c (1.6us). A 12MHz ARM2 would perform a...

I'm sure my memory is much worse! It's a 12MHz ARM2. It needs a MEMC chip to properly emulate an Archimedes, which it doesn't have. It looks like it's got a 256kBit ROM, which is 32kBytes (seems reasonable) and 256kBytes of video RAM. Because it's written in 1988, it'll only support 8-bit Color...

Interesting. What did you use to write it?

All you need is a new house now :-) !

Well done! I’ll try and check it out!

Thanks, very curious. Did @MrFahrenheit put it on Macintosh Garden?

The disk imaging apps on a Mac appear to be too clever, aiming to copy individual volumes and caring about the underlying file system. DumbDD copies sectors from a real SCSI HD, indexed by sector, using the SCSI Toolbox APIs, not the file system FS or PB routines. It can also copy them back from...

Hi folks, Another DumbDD update. I've been testing DumbDD on my PowerBook 1400c and a real 334MB Hard Drive. I initially used Disk Copy to save the image, which I can mount. I couldn't run the project using THINK C 5.0.4, because it looks like any project with MacTraps causes THINK C to crash...

What's a RIFA? (I have a feeling this is a really dumb question to ask).