@pavlor

almost no amiga software follows any guidelines set by whomever. amiga was always about guidelines breech. which anarchistic approach im fine with. now, when reapplying an amiga oriented system as aros is you are confronted with all the consequences of this situation so far i observe. in aros68k you have to take many of the holes left open in the fence into account to ensure the original software to work, which is actually the only known and dependable proof of actual amiga compatibility that remains. so a system that runs out of the box and especially without emulation most genuine amiga software will likely be regarded most "amiga". easy as that.

@resle

To me, the Amiga started feeling limited back in the 1990's. I welcome anything that expands it's capabilities. Add-on video cards don't integrate seamlessly with the OS and so make it non-Amiga. The underlying hardware is just a means to an end. Also without a direct lineage to the original Amiga it becomes non-Amiga. MorphOS and AROS aren't Amigas. The thing that limits Amiga now is software.

Last edited by thinkchip on 09-Mar-2013 at 02:50 PM.

_________________
X5000 / microA1(OS4.1 FE U2) / CodeBench / Imagine / Blender
Lightwave 2019 / Microsoft Visual C++

@_ThEcRoW

If you disable the sound (no paula emulation remember) or use AHI, and if the DEMO does opens a screen whit OpenScreen() API, if it does not disable multitasking as soon as it starts, if the demo uses timer.device, ciaa.resoucre and ciab.resource is not supported.

No registry hacking!!! (no copper, no blitter)

AmigaOS4 happiest whit 640x480 planar modes, you can mode promote I guess as long as the Demo does not guess the bytes per row.

Then yes the demo will run, as long as there is no NULL pointer fault, because will trigger grim ripper, you can chouse to ignore the message to get demo running.

If I pick a random demo, I guess the AGA one has bigger chance of running then the OCS one because it might be using newer Amiga API's that are more system fremdly.

Last edited by NutsAboutAmiga on 09-Mar-2013 at 03:08 PM.
Last edited by NutsAboutAmiga on 09-Mar-2013 at 03:07 PM.
Last edited by NutsAboutAmiga on 09-Mar-2013 at 03:01 PM.

_________________
http://lifeofliveforit.blogspot.no/
Facebook::LiveForIt Software for AmigaOS

@pavlor

Quote:

If these follow OS compatibilty guidelines set by Commodore...

Thats a start, i think you need to be even more careful.

_________________
http://lifeofliveforit.blogspot.no/
Facebook::LiveForIt Software for AmigaOS

@thinkchip

Quote:

MorphOS and AROS aren't Amigas. The thing that limits Amiga now is software

mos and aros are not amiga since they are only the operating systems, same as os4, that may but not neccessarily need to run on amiga. amiga is not the software, but the software may be taken as reference to determine how much"amiga" some solution is, if it doesnt carry the label itself.

Why should it run two or three decades old apps to be called an Amiga ? Why should it retain useless features today (that might have been useful 30 years ago) to be called an Amiga ?

Current PS3 isn't backward compatible with the PS1. Yet, it's a Playstation. And everyone is fine with that. And not a single people would ask for a PS3 that's hardware compatible with the original PS1...

You may run PS1 apps on it by using repackaged/emulated games. And that's fine. But that wasn't a requirement, and wasn't available on day one.

The PS3 is just a modern Playstation.

I wish we could define a modern Amiga too, without blindly wanting to keep three decades hardware/apps because that's what make it an Amiga.

What made the Amiga what it was was its smplicity, nice OS, and, most of all, the apps.

_________________
http://www.warpdesign.fr/

@NutsAboutAmiga

What your describing is NOT an OCS/AGA-demo, but a RTG-demo .....

_________________
- We don't need good ideas, we haven't run out on bad ones yet
- blame Canada

If name is not Amiga then it is not a Amiga

@Leo

Quote:

What made the Amiga what it was was its smplicity, nice OS, and, most of all, the apps.

And name, don´t forget the name!

@pavlor

Quote:

Quote: Can os4 run ocs or aga demos without euae? If these follow OS compatibilty guidelines set by Commodore...

If you follow OS compatibility guidelines set by Commodore then it will not run on Hyperion's OS4. Commodore allowed accessing the hardware directly (direct Paula and CIA access was just fine), planar bitmaps, dual playfield screens and Amiga API defines system calls to build custom copper lists (to mention few examples). Also, if you are following Commdore OS compatibility guidelines then you also have to allocate chip ram in certain cases which will not work on a clean OS4 install.

_________________
Amiga Developer
Amiga 500, Efika, Mac Mini and PowerBook

@itix

That question was only rhetorical, as probably none demo followed them.

Quote:

Hyperion's OS4

There is other OS4 than from Hyperion? Of course OS4, but that is certainly not OS4 you would search on Amigaworld.net.

@pavlor

/me still prefers http://www.os4.de/

_________________
- We don't need good ideas, we haven't run out on bad ones yet
- blame Canada

@Kronos

I'm describing a demo that uses planar graphics not RTG, simple system fremdly DEMO that does noting bad, simply opens a AGA or OCS screen mode, whit no aid from chipsets.

The planar graphics on chunky is not enabled on default, nor is fake aga.
(One option in the GUI prefs, and is the tooltype of video driver.)

Last edited by NutsAboutAmiga on 09-Mar-2013 at 04:18 PM.
Last edited by NutsAboutAmiga on 09-Mar-2013 at 04:17 PM.

_________________
http://lifeofliveforit.blogspot.no/
Facebook::LiveForIt Software for AmigaOS

@pavlor

There are many OS friendly demos especially from late 90s. Software development rules defined by Commodore were so loose that they are too expensive to honour by "NG" operating systems.

Quote:

There is other OS4 than from Hyperion?

Haage & Partner was developing their own AmigaOS 4 fork. Some community leaders claim it progressed well.

_________________
Amiga Developer
Amiga 500, Efika, Mac Mini and PowerBook

@NutsAboutAmiga

If you open a planar screen you can also use dual playfield or HAM screen modes (not supported) or use copper lists (not supported) or allocate bitmaps from chip ram (not supported). You can also disable multitasking or interrupts using assembler macros provided by Commodore (not supported), use atomic 68k instructions (not supported), use audio.device (not supported), use CIA resource (not supported), use blitter queue (not supported) and many many more now unsupported features.

Although it is often considered that all system friendly software runs on OS4 or MorphOS it is not fully true. Only certain feature set from the original Commodore-Amiga operating system supported and the software must rely on 3rd party components not part of the original Commodore-Amiga operating system (like AHI, MUI/Reaction, CGX, AmiTCP API).

Last edited by itix on 09-Mar-2013 at 04:30 PM.

_________________
Amiga Developer
Amiga 500, Efika, Mac Mini and PowerBook

@itix

No I think that was CommodoreOS from Commodore USA, Haage & Partner was out ball game long before then or was you referring to some thing before the Amithlon / AmigaXL deal broke down.

_________________
http://lifeofliveforit.blogspot.no/
Facebook::LiveForIt Software for AmigaOS

@itix

Quote:

Haage & Partner was developing their own AmigaOS 4 fork. Some community leaders claim it progressed well.

That is realy interesting information. Is there any source?

@itix

Yes I think HAM is supported, people are using DPaint5 on AmigaOS4.
playfield I don't think so, maybe if split screen count Foundation AGA works on AmigaOS4.

I think audio.device is supported, does not Workbench use it play simple sounds in audio prefs?

Last edited by NutsAboutAmiga on 09-Mar-2013 at 06:09 PM.
Last edited by NutsAboutAmiga on 09-Mar-2013 at 04:44 PM.
Last edited by NutsAboutAmiga on 09-Mar-2013 at 04:41 PM.
Last edited by NutsAboutAmiga on 09-Mar-2013 at 04:39 PM.

_________________
http://lifeofliveforit.blogspot.no/
Facebook::LiveForIt Software for AmigaOS

@pavlor

You might start here:
Party on

Everyone off to the fallout shelter !!

Last edited by Kronos on 09-Mar-2013 at 04:33 PM.

_________________
- We don't need good ideas, we haven't run out on bad ones yet
- blame Canada

@pavlor

I was just trying to Google more information about it. It is getting difficult because keyword os4 is swamped by so many things today. Anyway, H&P was trying to develop new OS4 based on their WarpUp kernel but the project was scrapped. This happened in 1999-2001.

I couldnt find anything relevant from Google with Zico specs or AmigaOne 1200.

_________________
Amiga Developer
Amiga 500, Efika, Mac Mini and PowerBook