AmigaDOS hunks documentation & HUNK_OVERLAY

AmiGer · 05 February 2004, 13:47

Does anybody know or own a good documentation about AmigaDOS Hunks !?
Would be great if somebody could give it to me (maybe scan or link).

I'm mostly interested in the HUNK_OVERLAY.
What does this hunk ? Can anybody help ?

Thanks.

Codetapper · 05 February 2004, 20:45

Overlay files are a crackers nightmare! They have a root node which is in memory at all times, and the rest of the program is split into smaller modules. These smaller parts are loaded and unloaded as needed, so you can fit a large program into a small amount of memory.

The best place for documents is this Aminet article on Overlays.

If you are writing a new program, I would stay well clear of them personally.

AmiGer · 06 February 2004, 08:00

Quote:

Originally posted by Codetapper
Overlay files are a crackers nightmare!

Yes I realized that. Every disassembler has problems with it and I don't know any assembler that is supporting it. I think it's maybe used by 'C' or 'Pascal' compilers, or ?

Quote:

The best place for documents is this...

I found this file by myself after my post here. Thanks anyway. I read it and decided that it's better to forget it...

BTW, if I've expected an answer from somebody than it was you, Codetapper, thanks...

05 February 2004, 13:47	#1
AmiGer Registered User Join Date: Sep 2002 Location: Germany Posts: 348	AmigaDOS hunks documentation & HUNK_OVERLAY Does anybody know or own a good documentation about AmigaDOS Hunks !? Would be great if somebody could give it to me (maybe scan or link). I'm mostly interested in the HUNK_OVERLAY. What does this hunk ? Can anybody help ? Thanks.

05 February 2004, 20:45	#2
Codetapper Moderator Join Date: May 2001 Location: Auckland / New Zealand Age: 38 Posts: 2,476	Overlay files Overlay files are a crackers nightmare! They have a root node which is in memory at all times, and the rest of the program is split into smaller modules. These smaller parts are loaded and unloaded as needed, so you can fit a large program into a small amount of memory. The best place for documents is this Aminet article on Overlays. If you are writing a new program, I would stay well clear of them personally.

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