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Author Topic: How to read Amiga 880k disks on AppleIIGS?  (Read 2182 times)

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Offline tonyvdbTopic starter

How to read Amiga 880k disks on AppleIIGS?
« on: February 29, 2016, 04:13:15 PM »
As the title says Im wondering if there is a way to read Amiga formatted 880k disks on an Apple IIGS? I want to transfer Game files from my PC over tho the Amiga then put those files on a 880k disk and then read them on the Apple. Is this possible?
Amiga 2000HD Indivision ECS
Amiga 4000D towerised OS 3.1 and 3.9 on CF cards
Indivision AGA, Mediator 4000
Video Toaster 4000 Flyer v4.3 Millenium.
202gig of video drive space & 5gig audio.
 

Offline kolla

Re: How to read Amiga 880k disks on AppleIIGS?
« Reply #1 on: February 29, 2016, 04:27:24 PM »
Quote from: tonyvdb;804934
As the title says Im wondering if there is a way to read Amiga formatted 880k disks on an Apple IIGS? I want to transfer Game files from my PC over tho the Amiga then put those files on a 880k disk and then read them on the Apple. Is this possible?


Why go via Amiga?

http://adtpro.sourceforge.net
B5D6A1D019D5D45BCC56F4782AC220D8B3E2A6CC
---
A3000/060CSPPC+CVPPC/128MB + 256MB BigRAM/Deneb USB
A4000/CS060/Mediator4000Di/Voodoo5/128MB
A1200/Blz1260/IndyAGA/192MB
A1200/Blz1260/64MB
A1200/Blz1230III/32MB
A1200/ACA1221
A600/V600v2/Subway USB
A600/Apollo630/32MB
A600/A6095
CD32/SX32/32MB/Plipbox
CD32/TF328
A500/V500v2
A500/MTec520
CDTV
MiSTer, MiST, FleaFPGAs and original Minimig
Peg1, SAM440 and Mac minis with MorphOS
 

Offline tonyvdbTopic starter

Re: How to read Amiga 880k disks on AppleIIGS?
« Reply #2 on: February 29, 2016, 04:37:33 PM »
PC wont read 880k disks?
Amiga 2000HD Indivision ECS
Amiga 4000D towerised OS 3.1 and 3.9 on CF cards
Indivision AGA, Mediator 4000
Video Toaster 4000 Flyer v4.3 Millenium.
202gig of video drive space & 5gig audio.
 

Offline Oldsmobile_Mike

Re: How to read Amiga 880k disks on AppleIIGS?
« Reply #3 on: February 29, 2016, 04:42:52 PM »
I don't understand what you're trying to do, but if you just want to transfer files all three machines should be able to read PC DD 720kb disks (with appropriate software).
« Last Edit: February 29, 2016, 04:45:31 PM by Oldsmobile_Mike »
Amiga 500: 2MB Chip|16MB Fast|30MHz 68030+68882|3.9|Indivision ECS|GVP A500HD+|Mechware card reader + 8GB CF|Cocolino|SCSI DVD-RAM
Amiga 2000: 2MB Chip|136MB Fast|50MHz 68060|3.9|Indivision ECS + GVP Spectrum|Mechware card reader + 8GB CF|AD516|X-Surf 100|RapidRoad|Cocolino|SCSI CD-RW
 Amiga videos and other misc. stuff at https://www.youtube.com/CompTechMike/videos
 

Offline kolla

Re: How to read Amiga 880k disks on AppleIIGS?
« Reply #4 on: February 29, 2016, 04:48:47 PM »
Quote from: tonyvdb;804937
PC wont read 880k disks?


Ah, and this is the native format of the Apple II? I honestly do not know what formatting/filesystem the Apple II used.
B5D6A1D019D5D45BCC56F4782AC220D8B3E2A6CC
---
A3000/060CSPPC+CVPPC/128MB + 256MB BigRAM/Deneb USB
A4000/CS060/Mediator4000Di/Voodoo5/128MB
A1200/Blz1260/IndyAGA/192MB
A1200/Blz1260/64MB
A1200/Blz1230III/32MB
A1200/ACA1221
A600/V600v2/Subway USB
A600/Apollo630/32MB
A600/A6095
CD32/SX32/32MB/Plipbox
CD32/TF328
A500/V500v2
A500/MTec520
CDTV
MiSTer, MiST, FleaFPGAs and original Minimig
Peg1, SAM440 and Mac minis with MorphOS
 

Offline tonyvdbTopic starter

Re: How to read Amiga 880k disks on AppleIIGS?
« Reply #5 on: February 29, 2016, 05:18:51 PM »
Quote from: Oldsmobile_Mike;804939
I don't understand what you're trying to do, but if you just want to transfer files all three machines should be able to read PC DD 720kb disks (with appropriate software).


so you can get a PC 3.5" drive to read/write DD disks?
I simply want to get the "disk" images of old Apple games to work on the Apple.
Amiga 2000HD Indivision ECS
Amiga 4000D towerised OS 3.1 and 3.9 on CF cards
Indivision AGA, Mediator 4000
Video Toaster 4000 Flyer v4.3 Millenium.
202gig of video drive space & 5gig audio.
 

Offline Thomas

Re: How to read Amiga 880k disks on AppleIIGS?
« Reply #6 on: February 29, 2016, 05:25:36 PM »
AFAIK Apple has a 800K disk format. Neither 880K nor 720K, but 800K.

Only with a HD drive it can read 1440K disks (same sector format as PC HD floppies but Mac file system).

IIRC with ShapeShifter an Amiga is able to read and write 800K disks, but I doubt that an Apple can be made to read 880K disks.

Offline tonyvdbTopic starter

Re: How to read Amiga 880k disks on AppleIIGS?
« Reply #7 on: February 29, 2016, 05:34:37 PM »
Quote from: Thomas;804949


IIRC with ShapeShifter an Amiga is able to read and write 800K disks, but I doubt that an Apple can be made to read 880K disks.


So, I can format an DD 880k disk to a 800k disk on the Amiga?
Amiga 2000HD Indivision ECS
Amiga 4000D towerised OS 3.1 and 3.9 on CF cards
Indivision AGA, Mediator 4000
Video Toaster 4000 Flyer v4.3 Millenium.
202gig of video drive space & 5gig audio.
 

Offline Oldsmobile_Mike

Re: How to read Amiga 880k disks on AppleIIGS?
« Reply #8 on: February 29, 2016, 05:47:41 PM »
Quote from: tonyvdb;804950
So, I can format an DD 880k disk to a 800k disk on the Amiga?

Possibly.  With Shapeshifter.

If I understand correctly, you have some Apple IIgs disk images on your PC.  And you're trying to transfer them to the Apple, by using the Amiga as an intermediary?

As an alternative, would it be possible to zip them on the PC to something small enough to fit on a 720kb disk, then transfer them directly to the Apple, and un-zip them back to 800k size and write them onto disks that way?  Thus taking the Amiga out of the equation?

AFAIK the Apple should have no problems reading PC double density format disks (720kb), with appropriate software.

You might have better luck asking this question on an Apple forum, I'm sure people there ask "how to transfer from a PC" all the time.
Amiga 500: 2MB Chip|16MB Fast|30MHz 68030+68882|3.9|Indivision ECS|GVP A500HD+|Mechware card reader + 8GB CF|Cocolino|SCSI DVD-RAM
Amiga 2000: 2MB Chip|136MB Fast|50MHz 68060|3.9|Indivision ECS + GVP Spectrum|Mechware card reader + 8GB CF|AD516|X-Surf 100|RapidRoad|Cocolino|SCSI CD-RW
 Amiga videos and other misc. stuff at https://www.youtube.com/CompTechMike/videos
 

Offline tonyvdbTopic starter

Re: How to read Amiga 880k disks on AppleIIGS?
« Reply #9 on: March 01, 2016, 07:25:51 PM »
Quote from: Oldsmobile_Mike;804951
Possibly.  With Shapeshifter.

If I understand correctly, you have some Apple IIgs disk images on your PC.  And you're trying to transfer them to the Apple, by using the Amiga as an intermediary?
Yes, thats correct.

Im going to try some old 800k disks ive found and see if my one PC that has a floppy drive will read them and then I wont need the Amiga at all.
Amiga 2000HD Indivision ECS
Amiga 4000D towerised OS 3.1 and 3.9 on CF cards
Indivision AGA, Mediator 4000
Video Toaster 4000 Flyer v4.3 Millenium.
202gig of video drive space & 5gig audio.
 

Offline gertsy

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Re: How to read Amiga 880k disks on AppleIIGS?
« Reply #10 on: March 02, 2016, 08:06:32 AM »
I don't think anyone understands why you need your Amiga in this problem.  http://www.whatisthe2gs.apple2.org.za/faq/
 

Offline psxphill

Re: How to read Amiga 880k disks on AppleIIGS?
« Reply #11 on: March 02, 2016, 08:25:55 AM »
Quote from: gertsy;805145
I don't think anyone understands why you need your Amiga in this problem.  http://www.whatisthe2gs.apple2.org.za/faq/

I suspect that the only way an amiga would help, is if you had a Sybil, catweasel, amax or crossmac and an apple drive, which would allows you to read/write 800k mac disks. I'm assuming that the apple2gs used the same drives as the mac (which are clv instead of the amiga and pc cav) so that you could transfer documents between them.

Kryoflux seems to support it.

https://groups.google.com/forum/#!topic/vintage-macs/CbD58EqcnUM

Or you could get an old mac

http://robertgomez.org/content/apple-ii-running-your-favorite-software-past

Or if you want a nicer experience altogether on the apple 2 gs then get one of these

http://robertgomez.org/content/cffa3000
« Last Edit: March 02, 2016, 08:32:21 AM by psxphill »
 

guest11527

  • Guest
Re: How to read Amiga 880k disks on AppleIIGS?
« Reply #12 on: March 02, 2016, 11:53:09 AM »
Quote from: tonyvdb;804937
PC wont read 880k disks?

No, a PC cannot read Amiga disks. Decoding and encoding of the disk is directly done by hardware, in the south bridge, and hence, the format is fixed to the PC format. For the amiga, decoding is done by software.  Nevertheless, while I do not know for the IIGS floppies, at least Mac floppies cannot be read by the Amiga either. The problem is here that the Mac varies the rotation speed between tracks to fit more data on the disk, i.e. it operates at constant head velocity instead of constant angular speed. The latter is used at the PC and the Amiga.
 

Offline wawrzon

Re: How to read Amiga 880k disks on AppleIIGS?
« Reply #13 on: March 02, 2016, 11:57:04 AM »
afair with cross mac you could read low density mac floippies on amiga as you could read the pc formatted ones with cross dos.
 

Offline kolla

Re: How to read Amiga 880k disks on AppleIIGS?
« Reply #14 on: March 02, 2016, 11:59:46 AM »
In case people don't realize, the machine in question, Apple IIGS, is _not_ a Macintosh.
B5D6A1D019D5D45BCC56F4782AC220D8B3E2A6CC
---
A3000/060CSPPC+CVPPC/128MB + 256MB BigRAM/Deneb USB
A4000/CS060/Mediator4000Di/Voodoo5/128MB
A1200/Blz1260/IndyAGA/192MB
A1200/Blz1260/64MB
A1200/Blz1230III/32MB
A1200/ACA1221
A600/V600v2/Subway USB
A600/Apollo630/32MB
A600/A6095
CD32/SX32/32MB/Plipbox
CD32/TF328
A500/V500v2
A500/MTec520
CDTV
MiSTer, MiST, FleaFPGAs and original Minimig
Peg1, SAM440 and Mac minis with MorphOS