The iGS-Mac Homepage

What is it?

Features for 0.53

• Redesigned from scratch, using the 0.53 core with abstractions to allow for improved CPU debugging.
• A floating disk management window
• A console for debug output, and more!
• See iGS History for what to watch for in future releases and the revisions in the current release.
• See the MacOS Porting Notes for general information!
• See Quick Setup Procedures as a quick-start guide for XGS-Mac

System requirements

• A higher end 68k Macintosh computer (68020 or better; FPU prefered) or PowerPC based Macintosh
• Any Macintosh keyboard. (An Extended Keyboard is prefered, so you can use the FKeys.)
• Memory: 6MB minimum for the app + allocated GS RAM space
• Hard disk space: 1MB minimum; 20MB (depending on your configuration)
• The Apple IIGS ROM. (Version 01 or 03)

To legitimately run this emulator, you must own an Apple IIGS so that you can extract the ROM (XGS supports both ROM versions.)
See the file "Setup Procedures" for the ROM Extraction Procedure.
Do not ask me to send the IIGS ROM to you. It is copyrighted.
• A System Disk or some other disk to boot the GS.

Do not ask me to send a boot disk to you.

Download Information

A ROM 01 or ROM 03 Image

• Apple IIGS ROM01 Image
• Available at Asimov's Apple II archive

DiskCopy or equivalent

• To create disk images from of your GS floppies,  download Apple's DiskCopy

GS System 6.01 on 800KB disk images

• GS System 6.01 Installer disk images
• Freely available at Apple II Software Updates (PS. Use a mirror )
• Click -- System 6.01 disk images -- For a more reliable mirror.

See the file "Setup Procedures" for the Disk Image Conversion Procedure.

For 68K users without FPUs

• An FPU is prefered by XGS-Mac, and SoftwareFPU is very handy if you do not have an FPU.
• Shareware or registered version of SoftwareFPU
• Shareware version available at John Neil & Associates Updates page

The XGS-Mac package

For PowerPC-based Macintosh computers

• Download the latest Stuffit Expander, if your version says the archive may be corrupt, by filling out this form.
• Latest version: Download iGS-Mac 0.53r6 PPC (SIT) (HQX)
• Necessary for 0.53: Download Apple's Appearance Extension and install it (Necessary before System 8.0).
• Previous version: Download XGS-Mac 0.50r3 PPC (SIT)
• Necessary for 0.50r3: Download Apple's DrawSprocket and install it (necessary before System 9.0) in any of these three places then reboot: your system folder, the xgs application directory, or the system's extension folder.

For 68K Macintosh computers

• If your version says the archive may be corrupt, download the latest Stuffit Expander by filling out this form.
• Latest version: Download iGS-Mac 0.53r6 68K (SIT) (HQX)
• Previous version: Download XGS-Mac 0.50r3 PPC (SIT)

A disk image of the "Nucleus" demo in DiskCopy format

• Load this image into smartport drive 0 (smpt0). When the GS prompt appears, enter "PR#7" and hit return to launch Nucleus. Or, load into s5d1 and with no disk image in smpt0. When the GS prompt appears, enter "PR#5" and hit return to launch Nucleus.
• "Nucleus Demo" DiskCopy image

A disk image of the "MODULAE" demo in DiskCopy format

• Load this image into smartport drive 0 (smpt0). When the GS prompt appears, enter "PR#7" and hit return to launch the MODULAE demo. Or, load into s5d1 and with no disk image in smpt0. When the GS prompt appears, enter "PR#5" and hit return to launch the MODULAE demo.
• "MODULAE Demo" DiskCopy image

A sampled sound from "The Apple IIGS Tour" using the "Record GS Sound to AIFF" option

• IIGS Tour sound clip (~ 276KB)

For More Information

• Use The iGS Bug Reporter to record bugs!
• 0.53: There appears to be an issue with Process Layers/Appearance Manager under OS 8.5.1.

Resolution: Upgrade to OS 8.6 or better.
• 0.53: Sound is choppy. I just started work on this.
• 0.50r3: Sometimes the GDevice is incorrect, and switching from 256 to thousands of colors will crash XGS-Mac. Workaround: change the screen depth to 256 colors before activating Full Screen.

The XGS Project & Archives. A site filled with formation related to the XGS Project created and maintained by inwards.

Original XGS Project Site Created and maintained by Joshua Thompson, this site is no longer online.

XGS mailing list

No longer maintained/available.

Tech Info Library

Search the Apple Tech Info Library for related documents.
Enter "IIGS" as your search criteria.

Other Online Resources

Emulation on the Macintosh (Apple II page)

The Official XGS homepage.
Core created and maintained by Joshua Thompson.

XGS-DOS (For MS-DOS users).
Ported by Gilles Tschopp