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Apple Lisa Workshop 3.x C compiler disks
- Thread starter barana
- Start date
Hope this isn't too late. These are read-only compressed DiskCopy images. If you wanted to use these in an emulator like LisaEm you need to convert them to either DC42 format or read/write ndif DiskCopy 6.x format. In Mac OS X up to at least 10.4, you do that with hdiutil from the cli. Use the following command for DC42: "hdiutil convert -format DC42 DiskImageX -o NewDiskImageX.dc42" , without the quotes, where DiskImageX is the name of the disk to converted. The ".dc42" extension is for the benefit of LisaEm which seems to prefer its DC42 images with that tacked on. For read/write Disk Copy 6.x images this command will work: "hdiutil convert -format RdWr DiskImageX -o NewDiskImageX" . You can now use this image with the emulator of your choice. Almost all the disk images on the Apple Legacy CD are like this, so you need to convert them with hdiutil if you're going to use them in an emulator.
If you had a Mac with a stock floppy drive you can use these images straight away to make real floppies. Just open up DiskCopy, navigate to "Make a Floppy..." and follow the directions. If you didn't have access to DD floppies that the Lisa's required you can tape the HD hole opposite the protection tab shut on a HD Floppy and fool the mac into thinking it's a DD floppy. A few caveats though: tape it securely - you don't want it to come undone in your Mac or Lisa; data on such disks is very fleeting - sometimes the error detection/correction routines of the Mac will choke on it, sometimes just the act of reading it will corrupt it. Even something as simple as stacking the floppies together or laying them right next to computer/keyboard/mouse can mess them up. And it won't work with a USB floppy drive attached to a Mac.
If you had a Mac with a stock floppy drive you can use these images straight away to make real floppies. Just open up DiskCopy, navigate to "Make a Floppy..." and follow the directions. If you didn't have access to DD floppies that the Lisa's required you can tape the HD hole opposite the protection tab shut on a HD Floppy and fool the mac into thinking it's a DD floppy. A few caveats though: tape it securely - you don't want it to come undone in your Mac or Lisa; data on such disks is very fleeting - sometimes the error detection/correction routines of the Mac will choke on it, sometimes just the act of reading it will corrupt it. Even something as simple as stacking the floppies together or laying them right next to computer/keyboard/mouse can mess them up. And it won't work with a USB floppy drive attached to a Mac.
