raspberry pi emulator file system mac os

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Return to the Terminal window and type CTRL-c to break the program and close the emulator window. Unfortunately this results in a loop that you can't easily escape.

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The Mac will start up, and then display this error message: ' The system software on the startup disk only functions on the original media, not if copied to another drive' and an option to Restart. Press the Start button in the SheepShaver GUI. In the JIT Compiler tab: Leave the built-in 68K DR Emulator option disabled.

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button and select the Mac OS ROM file saved in Step 3. You can experiment with other values later. In the Memory/Misc tab: set MacOS RAM Size (MB) to 512. In the Graphics/Sound tab: set the Window Refresh Rate to 30 Hz, Width to 1024, and Height to 768. Still in the Volumes tab: set the Unix Root value to /home/pi/Downloads (or somewhere else you might prefer but I found this location the most useful). button and select the Apple Mac OS 9.0.4.iso file. In the Size text box type in a reasonable size in megabytes (anything over 200 MB seems reasonable to me - I went with 500 Mb) and give it a name (I used MacHD)

button and a new Create Hardfile dialog box will open. Leave everything at the defaults unless mentioned otherwise below. The settings suggested here are the ones that worked best for me. SheepShaver's GUI will open, and in here we can set up a drive file to hold our Macintosh files and operating system, and adjust the various options of the emulation. It is also important at this stage to be running it from a Terminal window so that the program can be exited if things go wrong (which they definitely will in the next couple of steps). I am unclear as to why this is necessary, but the program seems much more stable when run with admin permissions. This will run SheepShaver with admin permissions and connect it to the translation interface between the newer Pulse Audio sound framework, and the older oss framework. Return to the Terminal window we had opened in step 2, and enter the following command: This will run the CPU clockspeed in the Pi400 at a steady pace instead of scaling up and down as it does on the default On Demand setting. Under the System menu in Twister OS, select the Performance option. I had more stable usage after I disabled it, but honestly it might also have to do with a few other tweaks I made to the setup while I was smoothing things out, so who knows. Might be superstition but I found in my experience that the screensaver caused SheepShaver to quit unexpectedly. But first I am going to provide some advice that will get things running as smoothly as possible.ĭisable your screensaver if you have one set up, or set a time out value of at least an hour.

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Move this to the /home/pi/SheepShaver folder.Īt this point we have most of the ingredients we need to successfully set up SheepShaver, create a drive file to contain our Mac files, and install Mac OS 9. Open that folder, and you'll find a file called Apple MacOS 9.0.4.iso. This is really only needed if you intend to play games on your emulated Mac.ĭownload the Apple Mac OS 9.0.4.7z archive, extract it, and you'll end up with a folder named Apple Mac OS 9.0.4. Osspd will provide a means for older softer that expects to find a /dev/dsp audio device to work with newer linux setups-translation: this lets your Mac have sound! QJoypad is a small utility that will convert gamepad axis commands to keystrokes. Open the Add/Remove Software application from the Twister OS Menu (it is under System I believe) and install the following two packages: osspd and qjoypad). Unzip it, rename the file newworld86.rom to Mac OS ROM (just exactly like that - same capitalization, spaces, no file extension) and move it to the /home/pi/SheepShaver folder. Leave the terminal window open for now - we will be using it again later.ĭownload the New World PPC ROM. This will give the application permission to execute. In the terminal window type the following: Move this folder to the /home/pi folder, and rename it SheepShaver.Įnter the SheepShaver folder, right click in the folder and select Open Terminal Here from the context menu.

You'll end up with a folder named MacArm which contains 2 files: ppc and SheepShaver.

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Download the ARM version of SheepShaver from Novaspirit, and extract to the downloads folder.