SPS (CAPS) miss list - Page 29

BarryB · 01 November 2020, 19:11

Quote:

Originally Posted by DrBong

Thanks BazzaB!

That's one less I have to send Denis now from the MIA list. Stay tuned....

Still about 8 left though, so you're the most likely person to have any of those!

Quote:

Originally Posted by jurassicman

hi guys congrats on your collection... I renew my request... any chance to find the ipf files of Super Methane bros?

There is no 'official' IPF of this game! Is this just a plain ADOS disk with no protection?

DrBong · 01 November 2020, 19:48

@BarryB
I have a few of the ones missing queued up to email Denis....Das Telekommando was one of them!

BarryB · 01 November 2020, 19:57

Quote:

Originally Posted by DrBong

@BarryB
I have a few of the ones missing queued up to email Denis....Das Telekommando was one of them!

I guess being so busy has it's drawbacks!

jurassicman · 01 November 2020, 21:01

@BarryB
I don't know if disk 1 is protected but I'm pretty sure disk 2 has a copy protection. Unfortunately I have the game but on the disks there was a cracked version of the game...

zodiac · 22 December 2020, 01:26

Hi,

I just got my hands on a retail release of Clown-o-Mania. Does SPS still want this? They only have the budget release.

Thanks!

dlfrsilver · 22 December 2020, 11:07

Quote:

Originally Posted by jurassicman

hi guys congrats on your collection... I renew my request... any chance to find the ipf files of Super Methane bros?

Not yet, Super Methane Bros use a GCR protection track (4us).

BarryB · 22 December 2020, 11:49

So another GCR protection, Alternate Reality being the other one!

Keir · 02 January 2021, 17:21

Super Methane Bros is now in disk-analyse. But untested as my old UAE doesn't deal with GCR setup in ADKCON (and possibly no UAE does, but I haven't checked).

BarryB · 02 January 2021, 17:51

Quote:

Originally Posted by Keir

Super Methane Bros is now in disk-analyse. But untested as my old UAE doesn't deal with GCR setup in ADKCON (and possibly no UAE does, but I haven't checked).

Just tried my dump and it's not working! The dumps resolve correctly according to the disk-anayse output but the IPF of disk 2 just accesses track 79 a few times and then asks to insert Disk Two

Keir · 02 January 2021, 19:32

Quote:

Originally Posted by BarryB

Just tried my dump and it's not working! The dumps resolve correctly according to the disk-anayse output but the IPF of disk 2 just accesses track 79 a few times and then asks to insert Disk Two

I will test myself later or tomorrow since apparently this should work on a 1MB A500?

But I will say the bit timings are non MFM so potentially if you write out or read back with a later PC drive, things may not work out. You want an original Amiga drive in the Amiga, definitely, and it won't hurt to use one for writing the disk, either.

EDIT: Also I pushed a fix on top of the original commit. See if 'git pull' is clean on your local repo.

EDIT2: Time between fluxes on the track is up to nearly 12us. Some drives start reading weak/random bits with anything more than 10us.

EDIT3: It may also depend on what you write back with. I'm confident Greaseweazle will handle the gapless IPF track I generate, but it's quite non-standard and maybe DTC hates it. I haven't checked!

BarryB · 02 January 2021, 20:16

My repo is up to date, so must have updated after your 'fix'.

I dumped on a Sony MPF920 from 2007, I think I have a spare Chinon somewhere though so could dump with that if I find it? I've never written it back to disks only used the CT RAW / IPF in WinUAE, neither images work though!

jotd · 02 January 2021, 20:33

I have Z-out MFM IPF but Stingray says that some tracks are corrupt. Was it ever dumped officially?

Toni Wilen · 02 January 2021, 20:39

Quote:

Originally Posted by Keir

Super Methane Bros is now in disk-analyse. But untested as my old UAE doesn't deal with GCR setup in ADKCON (and possibly no UAE does, but I haven't checked).

4.1.0 added MSBSYNC ADKCON emulation support (Alternate Reality GCR protection works). There is no accurate timing emulation so if this program requires it (or isn't working for some other reason): test image needed

BarryB · 02 January 2021, 21:18

Kryoflux dump and CT Raw images in the ZONE if needed!

Toni Wilen · 02 January 2021, 21:40

It seems to read the track, no MSBSYNC, no FAST (ADKCON is zero) and expects to get enough words CCCC, 9999, 6666 or 3333. It should work already because there is nothing timing sensitive. It looks like the image is not 100% correct.

BarryB · 02 January 2021, 21:53

As Keir said, it may need to be dumped on a proper Amiga drive?

Keir · 02 January 2021, 23:00

It probably does work fine on any recent UAE. My test UAE is some ancient version of E-UAE, just because I find it convenient and too lazy to update my emulation testbench.

The dump looks fine, the protection track being the same as a dump I got from Denis. The protection check is actually pretty bad. Even though the track is long, counted in MFM bitcells, the check doesn't confirm that. Only that most of the track is 0011 repeated, in GCR timing.

I will try writing my IPF to real disk myself tomorrow and see how it looks.

BarryB · 02 January 2021, 23:23

I sent my dump to Denis, wonder if he's sent you my dump or another?

dlfrsilver · 03 January 2021, 02:11

Quote:

Originally Posted by BarryB

I sent my dump to Denis, wonder if he's sent you my dump or another?

I sent Keir your dump to make it clear

Keir · 03 January 2021, 09:24

Okay, I just wrote my IPF using Greaseweazle on an NEC FD1231M (pretty generic "modern" PC drive) and then tested on A500 using TEAC FD-235HF (venerable old PC drive). It worked fine!

Possible issues:
1. Not writing back with Greaseweazle
2. Imperfect media (long track, weird timings, inner track: it's like a worst case)
3. Related to (2) on readback I can see the track really would like to have some precomp. I should implement this as an option in Greaseweazle.

But the IPF itself, I think is good. I should test in a more modern UAE now.

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01 November 2020, 19:48	#562
DrBong HOL / AMR Team Member Join Date: Dec 2001 Location: Australia Posts: 2,632	@BarryB I have a few of the ones missing queued up to email Denis....Das Telekommando was one of them!

01 November 2020, 21:01	#564
jurassicman Registered User Join Date: Dec 2017 Location: Sassari/Italy Posts: 928	@BarryB I don't know if disk 1 is protected but I'm pretty sure disk 2 has a copy protection. Unfortunately I have the game but on the disks there was a cracked version of the game...

22 December 2020, 01:26	#565
zodiac Registered User Join Date: Aug 2018 Location: USA Posts: 169	Hi, I just got my hands on a retail release of Clown-o-Mania. Does SPS still want this? They only have the budget release. Thanks!

22 December 2020, 11:49	#567
BarryB Amigaholic Join Date: Dec 2009 Location: UK Posts: 4,759	So another GCR protection, Alternate Reality being the other one!

02 January 2021, 17:21	#568
Keir Registered User Join Date: May 2011 Location: Cambridge Posts: 686	Super Methane Bros is now in disk-analyse. But untested as my old UAE doesn't deal with GCR setup in ADKCON (and possibly no UAE does, but I haven't checked).

02 January 2021, 20:16	#571
BarryB Amigaholic Join Date: Dec 2009 Location: UK Posts: 4,759	My repo is up to date, so must have updated after your 'fix'. I dumped on a Sony MPF920 from 2007, I think I have a spare Chinon somewhere though so could dump with that if I find it? I've never written it back to disks only used the CT RAW / IPF in WinUAE, neither images work though!

02 January 2021, 20:33	#572
jotd This cat is no more Join Date: Dec 2004 Location: FRANCE Age: 52 Posts: 8,410	I have Z-out MFM IPF but Stingray says that some tracks are corrupt. Was it ever dumped officially?

02 January 2021, 21:18	#574
BarryB Amigaholic Join Date: Dec 2009 Location: UK Posts: 4,759	Kryoflux dump and CT Raw images in the ZONE if needed!

02 January 2021, 21:40	#575
Toni Wilen WinUAE developer Join Date: Aug 2001 Location: Hämeenlinna/Finland Age: 49 Posts: 26,591	It seems to read the track, no MSBSYNC, no FAST (ADKCON is zero) and expects to get enough words CCCC, 9999, 6666 or 3333. It should work already because there is nothing timing sensitive. It looks like the image is not 100% correct.

02 January 2021, 21:53	#576
BarryB Amigaholic Join Date: Dec 2009 Location: UK Posts: 4,759	As Keir said, it may need to be dumped on a proper Amiga drive?

02 January 2021, 23:00	#577
Keir Registered User Join Date: May 2011 Location: Cambridge Posts: 686	It probably does work fine on any recent UAE. My test UAE is some ancient version of E-UAE, just because I find it convenient and too lazy to update my emulation testbench. The dump looks fine, the protection track being the same as a dump I got from Denis. The protection check is actually pretty bad. Even though the track is long, counted in MFM bitcells, the check doesn't confirm that. Only that most of the track is 0011 repeated, in GCR timing. I will try writing my IPF to real disk myself tomorrow and see how it looks.

02 January 2021, 23:23	#578
BarryB Amigaholic Join Date: Dec 2009 Location: UK Posts: 4,759	I sent my dump to Denis, wonder if he's sent you my dump or another?

03 January 2021, 09:24	#580
Keir Registered User Join Date: May 2011 Location: Cambridge Posts: 686	Okay, I just wrote my IPF using Greaseweazle on an NEC FD1231M (pretty generic "modern" PC drive) and then tested on A500 using TEAC FD-235HF (venerable old PC drive). It worked fine! Possible issues: 1. Not writing back with Greaseweazle 2. Imperfect media (long track, weird timings, inner track: it's like a worst case) 3. Related to (2) on readback I can see the track really would like to have some precomp. I should implement this as an option in Greaseweazle. But the IPF itself, I think is good. I should test in a more modern UAE now.

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