9.2 EMULATOR HOW TO DO IT

While this year is a sober one due to current events, I think a lot of people still appreciate what people are creating and sharing to keep spirits up, whether that be music or art orвЂ¦impractical programming projects. Resolution on popular ARCore devices RealWear HMT-1 support Improvements to Playmode Simulator ATG available on macOS.ItвЂ™s April 1, and that means itвЂ™s both April FoolsвЂ™ Day and the anniversary of the founding of Apple Inc. Vuforia Engine 9.2 drops today. Heres a basic compatibility list: Used: QEMU 2.7.0-rc0 w OpenBIOS compiled on JMac OS 9.2.1 (Install CD) Mac OS 9.2.2 (Modified Install CD) Windows 10 - x86-64 SimpleText. With the recent confirmation that QEMU can run Mac OS 9.1 and 9.2 by default, Ive decided to test what I can run by default. 9 Emulator Virtualbox Mac OS 9.

3 It was one of the first OSs to use a GUI at all, something that we pretty much take for granted these days. QEMU project as of late to have MacOS 9.2.2 boot successfully on the emulator.Twenty (!) years ago, before the macOS 2 we know today, there was another operating system known as вЂњMac OSвЂќ. WhatвЂ™s a Mac OSВ 9?Running Mac OS X as a QEMU/KVM Guest Gabriel L. This year I decided to seriously attempt something that IвЂ™d thought about in the past: getting a Swift program to run on Mac OSВ 9. In 2016, QEMU could finally achieve what has never been possible before: emulating Mac OS 9.0.4, 9.1 and 9.2.2 (albeit still its quite slow and the sound support is kind of buggy at the moment).Last year I implemented the worldвЂ™s best code visualizer.

It really was quite effective, and actually survived longer than booting into Mac OSВ 9 (which never received support for newer PowerPC processors). Because the Classic environment was itself an app, all the programs that ran inside it were protected from interfering with other Mac OSВ X programs and vice versa. But Apple didnвЂ™t want to just leave OSВ 9 programs behind, so they did two things:The Classic environment set up a sandbox that looked enough like Mac OSВ 9 to run Classic Mac OS programs directly in Mac OSВ X. Its successor Mac OSВ X 5 also ran on PowerPC when it first launched it wasnвЂ™t until 10.4 that Apple began to switch to Intel processors instead, and 10.6 when PowerPC was finally dropped.Mac OSВ X was a huge step forward from Mac OSВ 9 in a number of ways, including preemptive multitasking so that you could actually run multiple things at once. 4 If a program crashed or overwrote memory it wasnвЂ™t supposed to, there was a good chance youвЂ™d have to restart the whole system.Mac OSВ 9 ran on PowerPC processors, which were also used in the GameCube, PS3, and Xbox 360 earlier versions of the OS had started on MotorolaвЂ™s 68k CPU series.

Apple never released a 64-bit version of Carbon, presumably to encourage developers to move to Cocoa, and with last yearвЂ™s macOS Catalina, support for 32-bit apps was dropped entirely with very few exceptions. (h/t Marshall Elfstrand for the video link.)Classic ended with the switch to Intel processors back in the 2000s, but Carbon worked all the way up to last year, macOS Mojave. ( Sound familiar? 7) Fun aside: This is the reason (one of the reasons?) Core Foundation existsвЂ”to provide a common interface between Carbon and Cocoa. You basically just recompiled your app and added an extra annotation saying you were вЂњCarbonizedвЂќ. 6Carbon was a packaged-up version of the old Mac OS Toolbox APIs so that you could write Mac OSВ X apps the same way you always had. Think of it like Wine / CrossOver rather than VirtualBox / Parallels.

9.2 Emulator How To Do It

You will also need the mpw emulator and a copy of the Macintosh ProgrammerвЂ™s Workshop tools 9 to build an actual app using modern macOS.If you want a prebuilt PPC-capable Swift toolchain, hereвЂ™s one: ppc-swift-toolchain. (Check out that blazing fast 400MHz processor!)I assume a good number of people reading this would like to know how to do it too!If you want to build your own PPC-capable Swift compiler, check out the following repositories: git clone Make # quick start to build swiftc and the stripped-down stdlibNote the directory and branch names of the sub-repos, and note that they should be nested inside the ppc-swift-project repo. So, without further ado, hereвЂ™s a picture of a Swift Toolbox app running on Mac OSВ 9.2, on my friend NadineвЂ™s Power Mac G4. I package it up as necessary for Mac OSВ 9.Is this useful? No! Absolutely not! But neither was ROSE-8, and yet I still learned a lot doing it.As you probably guessed, I managed to accomplish this, or I wouldnвЂ™t be writing this blog post. I compile it for PowerPC with (a version of) the Swift compiler. I write Swift source code that calls Carbon / Toolbox APIs.

At some point I found about the mpw project: an emulator specifically for running AppleвЂ™s Macintosh ProgrammerвЂ™s Workshop tools. I didnвЂ™t think IвЂ™d be able to get the Swift compiler running on Classic, so IвЂ™d be shuttling object files back and forth between OSs to get anything done.Fortunately for me, IвЂ™m not the only one interested in building Classic apps on modern macOS. (Remember, no command line!) I could try to get some version of CodeWarrior running again, but that didnвЂ™t seem like the most convenient thing.

A bunch of object and binary inspection tools, which we donвЂ™t need for the finished product but which I made a lot of use of when trying to debug mystery misbehaviorThatвЂ™s pretty good as Troughton-SmithвЂ™s blog post shows, itвЂ™s enough to build an entire app thatвЂ™ll run on Classic. The Classic Mac OS library stubs, for linking against (I did ask him ahead of time if it was okay to use his app for a hobbyist project.) Longtime Mac developer Gwynne Raskind also gave a two-part high-level tour of the Toolbox APIs on Mike AshвЂ™s blog several years ago ( part 1 | part 2) fortunately, Carbon takes care of a fair amount for us even on Mac OS 9. Not only was this the reference I used to get started, but the app you see running in the above picture, BitPaint, is Troughton-SmithвЂ™s test app, ported to Swift.

I have one, but not the charger for it, and so I did most of my testing using SheepShaver. An actual machine running Mac OSВ 9. Some stripped-down form of the Swift standard library and runtime (enough to read in and interact with Carbon headers, at least) A modified version of the Swift compiler that supports emitting MPW-compatible object files

It turns out IBM has started adding support for XCOFF to LLVM just last year, as part of adding support for their AIX OSвЂ¦ which runs on PowerPC. The first time I started looking into this project, I was worried IвЂ™d have to have my compiler write out assembly code and then send that through the MPW PowerPC assemblerвЂ¦after fixing it up to account for the differences in how LLVM and MPW print PowerPC assembly.However, when I checked to see if LLVM supported XCOFF, I was in for a stroke of luck. Pretty much no one else uses this format, which was not encouraging. It turns out itвЂ™s a format called XCOFF searching for modern documentation on this turned up an IBM reference doc. Clang uses the same LLVM infrastructure as the Swift compiler, so I figured I could deal with all the object format and workflow issues in Clang, and then move on to the Swift-specific parts.The first thing I did was try to figure out what the file format was for PowerPC object files. Modern compiler, classic linkerTo make things more manageable, I set an intermediate goal: build an app using Clang, the modern C compiler that ships with Xcode.

Mac 9.2 Emulator