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| Slimmed 6.0.8 |
Posted by: CC_333 on 2015-02-21 10:14:56
I still think some sort of RAM disk would be beneficial. It could be as large as a megabyte on a Plus, but, for obvious reasons, a reasonably sized disk on a 512k would be quite difficult (a RAM disk on a 128k is probably impossible, so it's not even worth discussing), but even a 100k disk should be enough to keep most software happy.
There are RAM disk softwares for System 6, and many of them could probably be made small enough to fit in ROM without squeezing everything else out.
Thoughts?
c
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Posted by: bigmessowires on 2015-02-21 12:45:12
You could give it a try - find an existing RAM disk extension, add it to the disk image I posted, and see how much extra space it needs. I'm not convinced it would be super-useful, though, other than as a way to get a few programs running that don't like read-only disks. The traditional reason for using a RAM disk was for speed, but in this case the RAM disk wouldn't be any faster than the ROM disk.
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Posted by: CC_333 on 2015-02-21 13:19:13
OK, if I can get a... what's it called... a ROM-inator, I can do some testing.
It seems like it could potentially be useful if one wants to save files in a temporary area while booted from ROM (another primary use of RAM disks, I believe) and then copy it all to a floppy disk (or Floppy Emu) at shutdown or restart.
c
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Posted by: bigmessowires on 2015-02-21 14:06:17
The hardware is sold out at the moment, but you don't need it to test the idea. Just grab the disk image I posted, and try changing the contents to include your favorite RAM disk. You should be able to boot it with Mini vMac, or if you shrink the image to 800K you can put it on a locked floppy and boot a real Mac with it.
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Posted by: CC_333 on 2015-02-21 14:57:19
OK, I'll do that (it'd give me an excuse to use my Floppy Emu!)
c
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Posted by: bigmessowires on 2015-02-25 09:52:13
Here's an updated ROM disk image, replaces Pyramid of Peril (doesn't work on a read-only disk) with Cairo Shootout.
rominator-disk.zip
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Posted by: Bunsen on 2015-02-26 12:42:45
Oh! Slimmed! I kept reading that wondering whether System 6 had anything to do with Ghostbusters. Yeah - title is fixed now.
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Posted by: Bunsen on 2015-02-26 12:47:07
What would it take to get AppleTalk networking happening in there?
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Posted by: uniserver on 2015-02-26 13:38:24
yup pretty sure the Classic Version has appletalk 🙂
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Posted by: 360alaska on 2015-03-01 22:13:04
What would it take to get AppleTalk networking happening in there? Downgrading the finder eliminated the chooser...
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Posted by: Bunsen on 2015-03-02 19:42:23
Just thinking that a bootable ROM and an Appletalk server full of software means you could run a diskless Mac.
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Posted by: bigmessowires on 2015-03-02 20:41:33
Any combination of system software and other programs that will fit in 864K is possible. There's nothing magic about the ROM disk - it works just like a regular disk, but read only. If you can make a system 6 boot floppy with Appletalk on it, you can put that same disk image in the ROM disk.
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