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YYsMG's picture
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Joined: 2009 Aug 19
Making disk images for Emulation

Is there a 'best way' to make disk images for MiniVMac?

I threw a few together (400k, read only, non compressed) with Disk Copy on OS9 and about half of them worked. Those that did work kept generating messages saying that they needed minor repairs.

Cheers!

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MikeTomTom's picture
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Joined: 2009 Dec 7

Those that did work kept generating messages saying that they needed minor repairs.

This is a typical error message that you will get from System 6.0.8 and earlier Mac OS's when they encounter disks that have been in mounted unlocked under or created under a Mac OS 7.0 to 9.2.2 system.

Unlock the disk when it mounts under those earlier OS's so they can rebuild a System 6 or earlier type desktop database.

fogWraith's picture
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Joined: 2009 Oct 23

Oho, that's something I was kind of unaware of, or it slipped out of my mind entirely!

fogWraith's picture
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I haven't touched Mini vMac in forever I think, but it does read DC42 images fine though? That's how I've been creating mine ... think I just drag & dropped them and there were no issues.

Which version are you using to create the floppies?

MikeTomTom's picture
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I haven't touched Mini vMac in forever I think, but it but it does read DC42 images fine though?

Yes Mini vMac handles DC42 images very well.

Additionally, if running Disk Copy 4.2 itself at the time; Dropping 800k and 400k images into a running Mini vMac window, these are recognized by Disk Copy 4.2 as being actual hardware disks and will even save them to the internal disk drive as new DC42 image files if you want (this can be quite useful).

Unfortunately the same cannot be said for 1.4MB image files (of any type) and Disk Copy 4.2 doesn't appear to recognize these. Although, they have no trouble mounting in a running Mini vMac window.

YYsMG's picture
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Joined: 2009 Aug 19

I don't have it to hand at the moment so i cant say for sure but it's whichever version comes bundled with 9.2.

swamprock's picture
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Joined: 2010 May 31

This site will help tremendously- https://sites.google.com/site/minivmacapplicationsv6/

24bit's picture
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Joined: 2010 Nov 19

Probably, yes.
The page linked looks a bit outdated though and the build environment for MiniVMac has been overhauled by Paul C. Pratt at least twice meanwhile.
If you are looking for the build procedure preceding the up to date (2019) one, please look here:
http://macintoshgarden.org/apps/mac-system-608-minivmac-mac-plus 3. DL.
From the MiniVMac build helper, source code can be generated for compiling with e.g. Visual Studio 2015 (.exe) or XCode (.app).
Please note that Windows executables from VC 2015 will not work with XP or lower by default. Sad