IFF Types

alancfrancis · 26 May 2021, 13:26

I'm enjoying the section in the Amiga User Interface Style Guide where it suggests I have to get in touch with Commodore if I wish to define a new IFF Type ID for my application.

"A registry of IFF form and chunk types is available from Commodore on the IFF disk". Does the canonical list of "recognised" type codes still exist somewhere ?

Matt_H · 26 May 2021, 13:55

You can find the document they’re referring to on the Developer CDs, I think, and probably elsewhere (i.e., with SDKs/NDKs), but I don’t know if there’s an official authority that “owns” and maintains this resource. Possibly the OS4 documentation Wiki?

Samurai_Crow · 26 May 2021, 15:14

Last I heard, Steven Solie was keeping track of that. He currently works on the ExecSG kernel of AmigaOS 4.x.

thomas · 26 May 2021, 15:28

https://wiki.amigaos.net/wiki/IFF_FO...Chunk_Registry

Matt_H · 26 May 2021, 17:07

Quote:

Originally Posted by thomas

https://wiki.amigaos.net/wiki/IFF_FO...Chunk_Registry

That’s the one I was thinking of.

alancfrancis · 26 May 2021, 21:25

Thanks so much!

So seems there are now a ton of useful chunk types registered that I could use inside my file (eg UTF8) but I couldn’t see a usefully generic FORM type. I suspect I won’t go to the hassle of trying to figure out how to register a new FORM type, I’ll just invent one and use it.

If I get anywhere with an app I might try and figure it out then.

26 May 2021, 13:26	#1
alancfrancis Registered User Join Date: Jun 2020 Location: Scotland Posts: 146	IFF Types I'm enjoying the section in the Amiga User Interface Style Guide where it suggests I have to get in touch with Commodore if I wish to define a new IFF Type ID for my application. "A registry of IFF form and chunk types is available from Commodore on the IFF disk". Does the canonical list of "recognised" type codes still exist somewhere ?

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26 May 2021, 13:55	#2
Matt_H Registered User Join Date: Jul 2008 Location: Boston, MA Posts: 943	You can find the document they’re referring to on the Developer CDs, I think, and probably elsewhere (i.e., with SDKs/NDKs), but I don’t know if there’s an official authority that “owns” and maintains this resource. Possibly the OS4 documentation Wiki?

26 May 2021, 15:14	#3
Samurai_Crow Total Chaos forever! Join Date: Aug 2007 Location: Waterville, MN, USA Age: 49 Posts: 2,186	Last I heard, Steven Solie was keeping track of that. He currently works on the ExecSG kernel of AmigaOS 4.x.

26 May 2021, 15:28	#4
thomas Registered User Join Date: Jan 2002 Location: Germany Posts: 6,985	https://wiki.amigaos.net/wiki/IFF_FO...Chunk_Registry

26 May 2021, 21:25	#6
alancfrancis Registered User Join Date: Jun 2020 Location: Scotland Posts: 146	Thanks so much! So seems there are now a ton of useful chunk types registered that I could use inside my file (eg UTF8) but I couldn’t see a usefully generic FORM type. I suspect I won’t go to the hassle of trying to figure out how to register a new FORM type, I’ll just invent one and use it. If I get anywhere with an app I might try and figure it out then.

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