Problematic AGA demos. - Page 15

Zarnal · 26 April 2022, 18:09

Quote:

Originally Posted by AmiClassic

I have problem with demo Sceptic - AGAtha (http://janeway.exotica.org.uk/release.php?id=4969)

On a real Amiga:

there is something wrong with sound
there are graphics bugs in Credits Part

On WinUAE:

sound plays perfectly
there are graphics bugs in Credits Part

What is wrong with this demo?

Disable Fast Ram on real hardware or WinUae for this graphics issues.

AmiClassic · 27 April 2022, 00:03

Thanks for hint!

Disabling FAST-RAM didn't solve problem in 100%, but...

Real Amiga:
solved sound problem

didn't quite solve graphics errors, but it's now acceptable

WinUAE:
same errors as on real Amiga, but here:
bug 1 (flashing dots): I solved by slightly moving screen vertically and hiding this behind an overlay

bug 2 (flying pixel from left to right): disappeared after setting SUBPIXEL DISPLAY EMULATION

Another cool demo added to my project

Thanks again for your help.

AmiClassic · 10 June 2022, 16:41

I finally to get a 'supposedly' good version of Duplo - My Mama Is A Vampire (which amilo3438 wrote about here: link)

When loading part 2, a screen like this appears:

Is this file actually corrupted, or is this such a 'funny' ending this demo?

ross · 11 June 2022, 17:22

Quote:

Originally Posted by AmiClassic

Is this file actually corrupted, or is this such a 'funny' ending this demo?

Is it really supposed to work in a real machine?

I've uploaded into the Zone! a version with removed checksum check, try it.

amilo3438 · 11 June 2022, 20:34

Quote:

Originally Posted by ross

Is it really supposed to work in a real machine?

I've uploaded into the Zone! a version with removed checksum check, try it.

Files AmiClassic posted seem to have the same crc as those from: http://www.arabuusimiehet.com/break/...s.php?id=13773

According to the FAQ from the same site: "Everything you see here is hand checked and verified to be working". (so probably should work on a real thing)

BTW. The files you posted in the zone with removed checksum works fine! (thanks)

Ps.
The .dms version from: http://janeway.exotica.org.uk/release.php?id=3734 does not crash at disk 1 if the CPU cache is disabled with "SHIFT+F12" and "r cacr 0" after the green text starts to appear!
(But stays the same problem when loading the part 2 of the demo!)

AmiClassic · 11 June 2022, 23:47

Quote:

Originally Posted by ross

Is it really supposed to work in a real machine?

Not necessarily

I'm more interested in making it work in WinUAE, because I wanted to add it to my Amiga Demotheque project (based on Hyperspin and WinuAE).

Quote:

Originally Posted by amilo3438

...According to the FAQ from the same site: "Everything you see here is hand checked and verified to be working". (so probably should work on a real thing)...

Unfortunately on a real Amiga it also stop loading Part 2.

Quote:

Originally Posted by ross

I've uploaded into the Zone! a version with removed checksum check, try it.

Your fixed version works perfectly on WinUAE (Quick A1200)

I checked WinUAE config A1200 + Fast RAM - music in Part 2 plays weird (on real Amiga with FAST music also plays strangely, without FAST message 'Out Of Memory' appears)

Thank you so much for this fix

paraj · 12 June 2022, 11:30

Quote:

Originally Posted by ross

Is it really supposed to work in a real machine?

I've uploaded into the Zone! a version with removed checksum check, try it.

Checksum error also occurs on stock A1200, fixed version let's me reach the end. On 060 it crashes in the "fractal zoomer" part.

ross · 02 August 2022, 23:20

Quote:

Originally Posted by AmiClassic

I finally to get a 'supposedly' good version of Duplo - My Mama Is A Vampire (which amilo3438 wrote about here: link)
Is this file actually corrupted, or is this such a 'funny' ending this demo?

Warning: the published file appears to contain a virus.

If it is started from disk it does not create problems, but if started from WB it infects the C:LoadWB file.

paraj · 03 August 2022, 18:05

Quote:

Originally Posted by ross

Warning: the published file appears to contain a virus.
If it is started from disk it does not create problems, but if started from WB it infects the C:LoadWB file.

Crap, around that time (trying the demo) I had issues with LoadWB crashing during startup, so I copied it from the WB installation disk. Luckily it seems like the virus is not 060 compatible, but it did ruin my no-virus streak

(had a bad case of the SADDAM virus back in my youth...).
Even seems to be somewhat known: https://vht-dk.dk/amiga/desc/txt/commanderdrop.htm. FWIW VirusZ III finds the virus on the disk, but turned up nothing when I scanned my amiga HD.
Thanks for the heads up.

ross · 03 August 2022, 18:43

For some (lucky?) reason the patched ADF version I uploaded to the zone seems to not spread the virus.
I did a basic installation of WB, launched the demo and LoadWB was still healthy on exit, while with the "original" version LoadWB was infected.
In any case, for safety, I deleted it.

No idea why, I've not checked the code (and I'm not going to do it

)
Maybe skipping the check code I also casually skipped the virus writing code?
Or used a different version of the demo? Unfortunately I don't remember what I did, it was a very quick patch.

Zarnal · 12 December 2022, 19:15

Hi,

The crash of TEK-Rampage (OCS demo) with Quickstart 1200 since WinUae 4.9.0 is it normal (or even related to the CPU) ? I remember an explanation was given but I can't find it.

Note : no need to answer if it's a CPU issue.

And thank you very much for the improvements since 4.9.0.

Amcio · 20 December 2022, 00:35

Papadeo by floppy -> https://www.pouet.net/prod.php?which=3861
Black screen after first 3 screens.
A1200 any cpu configuration (running from amiga os 3.9 workbench)
winuae: 4.4.0, 4.9.0, 4.10.0

AmiClassic · 20 December 2022, 01:02

It works fine running directly, without Workbench. It seems that it is fault of your system (maybe some patch?), not WinUAE.
I checked on WinUAE 2.8.1 and 4.4.0.

Amcio · 20 December 2022, 23:06

Yep, You're right, haven't tested without WB, Thanks Alot!

Snoopy1234 · 21 December 2022, 01:43

Network Synthesis crashes on 2nd part. (OS 3.9 A1200 030)

AmiClassic · 21 December 2022, 11:24

Try using WHDLoad version, works well (A1200, 3.1, 030).

Snoopy1234 · 21 December 2022, 12:17

Quote:

Originally Posted by AmiClassic

Try using WHDLoad version, works well (A1200, 3.1, 030).

Tried re-newing WHDLoad install. Quits after intro giving "Coprocessor violation.." I don't have an fpu on the card in the A1200 atm so I'm s'possing an fpu is needed for it.

Zarnal · 21 December 2022, 12:59

Quote:

Originally Posted by Snoopy1234

Network Synthesis crashes on 2nd part. (OS 3.9 A1200 030)

Real hardware ?

Toni Wilen · 21 December 2022, 13:04

I think this isn't on topic. Check the first post.

Bootable disk based AGA demos that don't need accelerators that have problems in emulation.

Snoopy1234 · 21 December 2022, 13:16

Quote:

Originally Posted by Zarnal

Real hardware ?

actual A1200

12 December 2022, 19:15	#291
Zarnal Registered User Join Date: Feb 2018 Location: France Posts: 504	Hi, The crash of TEK-Rampage (OCS demo) with Quickstart 1200 since WinUae 4.9.0 is it normal (or even related to the CPU) ? I remember an explanation was given but I can't find it. Note : no need to answer if it's a CPU issue. And thank you very much for the improvements since 4.9.0. Attached Thumbnails

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27 April 2022, 00:03	#282
AmiClassic Registered User Join Date: Feb 2020 Location: PL Posts: 157	Thanks for hint! Disabling FAST-RAM didn't solve problem in 100%, but... Real Amiga: solved sound problem didn't quite solve graphics errors, but it's now acceptable WinUAE: same errors as on real Amiga, but here: bug 1 (flashing dots): I solved by slightly moving screen vertically and hiding this behind an overlay bug 2 (flying pixel from left to right): disappeared after setting SUBPIXEL DISPLAY EMULATION Another cool demo added to my project Thanks again for your help.

03 August 2022, 18:43	#290
ross Defendit numerus Join Date: Mar 2017 Location: Crossing the Rubicon Age: 53 Posts: 4,468	For some (lucky?) reason the patched ADF version I uploaded to the zone seems to not spread the virus. I did a basic installation of WB, launched the demo and LoadWB was still healthy on exit, while with the "original" version LoadWB was infected. In any case, for safety, I deleted it. No idea why, I've not checked the code (and I'm not going to do it ) Maybe skipping the check code I also casually skipped the virus writing code? Or used a different version of the demo? Unfortunately I don't remember what I did, it was a very quick patch.

20 December 2022, 00:35	#292
Amcio Registered User Join Date: Sep 2019 Location: Poland Posts: 39	Papadeo by floppy -> https://www.pouet.net/prod.php?which=3861 Black screen after first 3 screens. A1200 any cpu configuration (running from amiga os 3.9 workbench) winuae: 4.4.0, 4.9.0, 4.10.0

20 December 2022, 01:02	#293
AmiClassic Registered User Join Date: Feb 2020 Location: PL Posts: 157	It works fine running directly, without Workbench. It seems that it is fault of your system (maybe some patch?), not WinUAE. I checked on WinUAE 2.8.1 and 4.4.0.

20 December 2022, 23:06	#294
Amcio Registered User Join Date: Sep 2019 Location: Poland Posts: 39	Yep, You're right, haven't tested without WB, Thanks Alot!

21 December 2022, 01:43	#295
Snoopy1234 Registered User Join Date: Apr 2022 Location: Australia Age: 51 Posts: 836	Network Synthesis crashes on 2nd part. (OS 3.9 A1200 030)

21 December 2022, 11:24	#296
AmiClassic Registered User Join Date: Feb 2020 Location: PL Posts: 157	Try using WHDLoad version, works well (A1200, 3.1, 030).

21 December 2022, 13:04	#299
Toni Wilen WinUAE developer Join Date: Aug 2001 Location: Hämeenlinna/Finland Age: 49 Posts: 26,502	I think this isn't on topic. Check the first post. Bootable disk based AGA demos that don't need accelerators that have problems in emulation.

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