143 lines
6.3 KiB
Plaintext
143 lines
6.3 KiB
Plaintext
Path: news1.icaen!news.uiowa.edu!feeder.chicago.cic.net!news.mathworks.com!out2.nntp.cais.net!news2.cais.com!news
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From: "Charles T. 'Dr. Tom' Turley" <cturley@grin.net>
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Newsgroups: comp.sys.apple2
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Subject: Re: dsk images
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Date: Sat, 24 May 1997 10:19:19 -0800
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Organization: I Try, US-A2WUG, 1WSW, GS WorldView, A2-2000
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Lines: 44
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Message-ID: <33873127.1532@grin.net>
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References: <19970524170900.NAA05455@ladder01.news.aol.com>
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Reply-To: cturley@grin.net
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NNTP-Posting-Host: 208.202.191.164
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Mime-Version: 1.0
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Content-Type: text/plain; charset=us-ascii
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Content-Transfer-Encoding: 7bit
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X-Mailer: Mozilla 2.02 (Macintosh; I; 68K)
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To: g7and7@aol.com
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Here's the method and steps I use with my Mac to get a .dsk image file
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ready to turn into a real disk for use on my IIgs;
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(A) Get the flipper program for the Mac, drag and drop the .dsk image
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file over the Flipper program icon, then change the New Type to: DSK5
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(using all upper case), then change the New Creator to: pdos (using all
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lower case). Press OK and Flipper program will save it as a REAL disk
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image file (.dsk).
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(B) Get the IC (image converter) program for the Mac, drag and drop the
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..dsk image file over the IC program icon, select Copy ][+ and press OK.
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(note: if the disk image is already a xxx.img file, then IC will do
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nothing with it. If it's a xxx.dsk file, then it will save a copu with:
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xxx.img). The xxx.img file is ready for Copu ][+ to take and convert
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back to a REAL 5.25 disk on your IIgs.
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Simply copy the xxx.img file to an 800k ProDOS disk, take it out of the
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Mac disk drive and shuttle it over to your IIgs disk drive, boot up the
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Copy ][+ program (Version 7.1 only works). Select copy disk from the
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drive that have the 800K ProDOS disk - with the xxx.img file, to the
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5.25 disk in that disk drive and Copy ][+ v7.1 will make a REAL disk
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of the program for use on your IIgs or any other Apple II that the
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program will run on.
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Another alternative (which I've been told about - but have not tried
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myself) that, if it works properly may be a bit more simple to try - is
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to get the NinjaForce Apple II program 'Asimov', copy the disk image
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file to your 800K ProDOS disk on the Mac, take that 800k ProDOS disk
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over to your IIgs, run the NinjaForce Apple II program 'Asimov' and it
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should do the same job for you, resulting in a REAL 5.25 disk of the
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program.
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If this is all to complex to deal with and understand, then email me or
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give me a telephonme call and I'll be happy to answer your questions and
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assist you until you understand the process completely and get a working
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Apple II disk from the process.
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If you don't know where to get the programs mentioned above, I'll be
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happy to tell you where to download them all from.
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Cheers,
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Tom
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Voice: (415) 468-1609
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Path: news1.icaen!news.uiowa.edu!feeder.chicago.cic.net!newsxfer.nether.net!news.altair.com!thetimes.pixel.kodak.com!news.kodak.com!news.sprintlink.net!news-pen-16.sprintlink.net!news1.rcsntx.swbell.net!usenet
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From: Rubywand <rubywand@swbell.net>
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Newsgroups: comp.sys.apple2
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Subject: Re: dsk images
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Date: Sat, 24 May 1997 15:37:40 +0000
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Organization: Southwestern Bell Internet Services
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Lines: 66
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Message-ID: <33870B44.526@swbell.net>
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References: <19970524170900.NAA05455@ladder01.news.aol.com> <33873127.1532@grin.net>
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X-Mailer: Mozilla 2.02E (Win16; I)
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Charles T. 'Dr. Tom' Turley writes ...
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>
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> Here's the method and steps I use with my Mac to get a .dsk image file
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> ready to turn into a real disk for use on my IIgs;
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>
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> (A) Get the flipper program for the Mac, .... will save it as a REAL
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> disk image file (.dsk). ....
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>
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> Simply copy the xxx.img file to an 800k ProDOS disk, take it out of the
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> Mac disk drive and shuttle it over to your IIgs disk drive, ....
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>
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> Another alternative .... - is
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> to get the NinjaForce Apple II program 'Asimov', copy the disk image
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> file to your 800K ProDOS disk on the Mac, take that 800k ProDOS disk
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> over to your IIgs, run the NinjaForce Apple II program 'Asimov' and it
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> should do the same job for you, resulting in a REAL 5.25 disk of the
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> program.
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> ....
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>
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Lots of details ...; thanks! The mention of _"real"_ DSK files could
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save some users considerable bother. (If I'd read something like this last
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night it could have saved me an hour or so.)
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It is easy to forget that files which show up with names like
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"SUPERQST.DSK" on an ftp site are hardly ever in true DSK file form; they
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are _packed_ DSK files.
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Evidently, on the Asimov site, ".DSK" files are in a zip form and
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could just as well be tagged as ".gz" type packed files. (Sometimes, in
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fact, they are.) These ".DSK" files can be unpacked on PC using WinZip or
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on a Mac using some similar utility.
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It is pretty easy to tell whether a ".DSK" file is unpacked and ready
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for use or still in packed form. A non-packed single 5.25" DSK file will
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have a length of around 143k-144k.
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A packed ".DSK" file can have a length which is much smaller than
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143k (e.g. 49k). Or, a packed ".DSK" file can include several DSK's
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along with TEXT info files and be fairly large in size (e.g. 179k).
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Note: When a packed ".DSK" file is un-zipped, you may end up with an
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unpacked file having the same name. That is, SUNDOG2.DSK may un-zip to an
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unpacked DSK file named "SUNDOG2.DSK". (DSK unpacked disk image files
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almost always end in ".DSK", as they should.)
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Consequently, a user should always unzip a ".DSK" file to a different
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directory than the directory in which the original, packed file is
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located. Otherwise, WinZip will over-write your original, discover that it
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is corrupted, and exit. You end up with neither the packed nor the
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unpacked .DSK file!
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If one downloads a ".DSK" file, unpacks it to get one or more DSK's
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and moves the unpacked ".DSK" files to an Apple ][ (e.g. via a ProDOS
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diskette from Mac or via NULL modem from PC), it is easy to convert each
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DSK file to diskette via DSK2FILE or ASIMOV.
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If one forgets to unpack a freshly downloaded ".DSK" file and moves
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it to an Apple ][, it may, still, seem to make it through the
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DSK-to-diskette conversion; _but_ you will end up with a diskette full of
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garbage, like I did. Eventually, you may see the problem; things just go
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much more smoothly when the screw-up is avoided in the first place.
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Rubywand
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