Bootable Diskspare Floppy?

BarryB · 14 May 2020, 11:37

Just wondering if it's technically possible to make a Diskspare floppy bootable or is that simply not possible?

ppill · 14 May 2020, 11:43

Quote:

Originally Posted by BarryB

Just wondering if it's technically possible to make a Diskspare floppy bootable or is that simply not possible?

Only via rad: so not really booting from it exactly.

musashi5150 · 14 May 2020, 11:51

It's probably feasible to make a dual format floppy with a small OFS/FFS section that can be booted, setup Diskspare and hand over control to the newly mounted device. Bootblock, rootblock etc would have to be tweaked as necessary.

But you'd have to really WANT to

Could be a fun task just for the hell of it.

BarryB · 14 May 2020, 12:54

Quote:

Originally Posted by musashi5150

It's probably feasible to make a dual format floppy with a small OFS/FFS section that can be booted, setup Diskspare and hand over control to the newly mounted device. Bootblock, rootblock etc would have to be tweaked as necessary.

But you'd have to really WANT to

Could be a fun task just for the hell of it.

That's what I was thinking, but no idea how to do it! Something like tracks 0-1 as standard 11 blocks + bootblock so the Amiga will recognise the disk and somehow mount diskspare to use the rest?

Retro1234 · 14 May 2020, 21:20

Someone did it with Xfloppy it's like Diskspare, seems like you'd need to split it into three maybe 4 ? partitions Track 1- AmigaDos BootBlock, Track 40 - AmigaDos with your commands and Mountlist etc, and the rest DiskSpare.

BarryB · 14 May 2020, 21:51

Yeah, forgot the important track 40! Was xfloppy was ever finished, the one on aminet is buggy and prone to read/write errors!

Retro1234 · 14 May 2020, 23:19

I don't think so but a member who is now banned put a Hard Drive version of B.C. Kid on 1 floppy to prove 1 floppy version using XFloppy.

BarryB · 15 May 2020, 12:30

Quote:

Originally Posted by Retro1234

I don't think so but a member who is now banned put a Hard Drive version of B.C. Kid on 1 floppy to prove 1 floppy version using XFloppy.

Was that post on EAB? xfloppy doesn't contain an example mountlist but I guess it will be the same as diskspare, only mountable under workbench unless the disk is setup to boot lke mushasi said!

hooverphonique · 15 May 2020, 15:22

Quote:

Originally Posted by Retro1234

Someone did it with Xfloppy it's like Diskspare, seems like you'd need to split it into three maybe 4 ? partitions Track 1- AmigaDos BootBlock, Track 40 - AmigaDos with your commands and Mountlist etc, and the rest DiskSpare.

The block number of the root block (normally 880) is in the bootblock though - is this not honoured by AmigaDOS, so you could put the root block on track 0?

Phantasm · 15 May 2020, 17:59

i'm pretty sure its not

14 May 2020, 11:37	#1
BarryB Amigaholic Join Date: Dec 2009 Location: UK Posts: 4,697	Bootable Diskspare Floppy? Just wondering if it's technically possible to make a Diskspare floppy bootable or is that simply not possible?

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14 May 2020, 11:51	#3
musashi5150 move.w #$4489,$dff07e Join Date: Sep 2005 Location: Norfolk, UK Age: 42 Posts: 2,351	It's probably feasible to make a dual format floppy with a small OFS/FFS section that can be booted, setup Diskspare and hand over control to the newly mounted device. Bootblock, rootblock etc would have to be tweaked as necessary. But you'd have to really WANT to Could be a fun task just for the hell of it.

14 May 2020, 21:20	#5
Retro1234 Phone Homer Join Date: Jun 2006 Location: 5150 Posts: 5,775	Someone did it with Xfloppy it's like Diskspare, seems like you'd need to split it into three maybe 4 ? partitions Track 1- AmigaDos BootBlock, Track 40 - AmigaDos with your commands and Mountlist etc, and the rest DiskSpare.

14 May 2020, 21:51	#6
BarryB Amigaholic Join Date: Dec 2009 Location: UK Posts: 4,697	Yeah, forgot the important track 40! Was xfloppy was ever finished, the one on aminet is buggy and prone to read/write errors!

14 May 2020, 23:19	#7
Retro1234 Phone Homer Join Date: Jun 2006 Location: 5150 Posts: 5,775	I don't think so but a member who is now banned put a Hard Drive version of B.C. Kid on 1 floppy to prove 1 floppy version using XFloppy.

15 May 2020, 17:59	#10
Phantasm Not a Rebel anymore Join Date: Apr 2005 Location: UK Age: 51 Posts: 499	i'm pretty sure its not

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