Yup. Whatever file system reorganization caused HFS write to break, seems to have also disabled MFS read. Now I have only installed the included package pre-built file system, so perhaps it can be reconfigured to work under Snow Leopard, but without knowing exactly what broke it in the first place I'm clueless.
Your implementation of HFS write (and I'm sure eventually read – maybe even as soon as 10.7), is far more important than reading an MFS image, much less writing to one given that capability in Mini vMac.
Though there are a number of ways to get around getting files onto an HFS disk image, none of them are simple. I still see many classic files routinely being sent as stand alone, or .sit, or .hqx formats, most of which will not open under OS X, which either way leaves one with the problem of getting them onto an HFS image which Mini vMac can use. As Paul Pratt, the current developer of the vMac legacy, will tell you, getting those files into Mini vMac to put onto an HFS image is a simple matter of creating a startup disk with his ImportFL application. But again, it's an added step to managing one's disks, and not the easiest to set up for many casual users. Most importantly it won't import the resource fork, so free files must be compressed under OS X in a method that will de-compress under System 7 – I'm sure there's a way, but I sure don't know what it is. Alternately would it be possible to make Stuffit Expander aware of the OS X .zip format definition so it can be expanded inside Mini vMac under System 7?
Obviously, it's so much easier to just open a disk image in the OS X Finder, copy your files directly into it, then open in Mini vMac.
Of course this will all be moot as soon as Paul tackles the Quadra 700 emulation, but I wouldn't hold my breath. :beige: