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#44907 - 09/19/08 07:32 PM Re: Atari 800 and atx disk file format [Re: R. Belmont]  
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Stiletto Offline
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Re: FDI Images - is this what you're looking for?
http://www.oldskool.org/disk2fdi/files/FDISPEC.pdf

Reading the acornpreservation.org archives, they said they used the Disk2FDI program.

See also the bottom link on the page here"
http://www.oldskool.org/disk2fdi/support.html

It doesn't look like they've touched this for 4 years. You could explore whether they would open up their tools.

- Stiletto

#44910 - 09/19/08 07:44 PM Re: Atari 800 and atx disk file format [Re: R. Belmont]  
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Iggy Drougge Offline
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Originally Posted By R. Belmont
Yes, and then I have to cancel SDLMESS and a large chunk of the active contributors become unable to work on the project.


Why would you have to cancel SDLMESS? I'm no C programmer, but I have compiled the SDLMESS code, and had to specify the build target. Every build target links to a lot of different external code (I had to download lots of megabytes of non-MESS material for it to compile on Linpus). So I don't see why a simple #ifdef WINDOWS load(this_and_that.dll) wouldn't work.

Originally Posted By R. Belmont
Also, the current MAME license prohibits linking to closed-source modules that don't come from your OS vendor.


That's great from a portability point of view. Not. Sounds like an inversion of the LGPL licence, if you know what I mean.

#44911 - 09/19/08 07:52 PM Re: Atari 800 and atx disk file format [Re: Iggy Drougge]  
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R. Belmont Offline
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Originally Posted By Iggy Drougge
Why would you have to cancel SDLMESS? I'm no C programmer, but I have compiled the SDLMESS code, and had to specify the build target. Every build target links to a lot of different external code (I had to download lots of megabytes of non-MESS material for it to compile on Linpus). So I don't see why a simple #ifdef WINDOWS load(this_and_that.dll) wouldn't work.


Because then you would have core emulation that only worked on Windows. That and the two people most likely to hook that up (Judge and eta) are non-Windows guys. Right now on MAME and MESS every feature of the actual emulation works identically on Windows, Linux, BSD, Mac OS X, and the Playstation 3 (barring endian bugs and the like). That's a core feature that we defend, not a side effect smile

Quote:
That's great from a portability point of view. Not. Sounds like an inversion of the LGPL licence, if you know what I mean.


Preventing the core emulation from depending on closed-source OS-specific things *hurts* portability? I don't think that word means what you think it does.

Last edited by R. Belmont; 09/19/08 07:54 PM.
#44916 - 09/19/08 10:30 PM Re: Atari 800 and atx disk file format [Re: R. Belmont]  
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Lord Nightmare Offline
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found more FDI info, mentioned it on the IRC channel earlier, could be for a different format sharing the FDI name, possibly:
http://www.shadowmagic.org.uk//cssfaq/reference/formats.htm


"When life gives you zombies... *CHA-CHIK!* ...you make zombie-ade!"
#44926 - 09/20/08 01:00 PM Re: Atari 800 and atx disk file format [Re: Lord Nightmare]  
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Stiletto Offline
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It's different. Could be the FDI 1.0 format referenced here:
http://www.oldskool.org/disk2fdi/support.html
the bottom link on the page here

#44936 - 09/21/08 06:45 AM Re: Atari 800 and atx disk file format [Re: Stiletto]  
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Lord Nightmare Offline
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well, sounds like we need to support both then. fun. XP

LN


"When life gives you zombies... *CHA-CHIK!* ...you make zombie-ade!"
#63958 - 08/22/10 08:47 AM Re: Atari 800 and atx disk file format [Re: R. Belmont]  
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k1w1 Offline
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I am contemplating putting together a MESS software list for the a800. There are a large number of VAPI .atx titles know available for this system and i would like to incorporate them in lieu of the cracked .atr files that are out there as well.

The idea would be to replace all of the cracked files with .atx as they became available or even the APE .pro format.

Has anybody looked at incorporating the facility to read .atx format into MESS since the last post here?

The Altirra emulator can handle both .atx & .pro formats and the source code can be found here: -

http://www.virtualdub.org/altirra.html

Given MESS's goal to is to accurately preserve and mimic computer hardware, i thought it would be nice if MESS could contribute to this with it's software lists.

The CAPS project is also preserving a number of original disk formats for other machines.

k1w1


#63959 - 08/22/10 09:41 AM Re: Atari 800 and atx disk file format [Re: k1w1]  
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Duke Offline
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We can't use images from the SPS project because the format isn't open (yet).

#63967 - 08/22/10 02:54 PM Re: Atari 800 and atx disk file format [Re: Duke]  
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Lord Nightmare Offline
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Lord Nightmare  Offline
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.atx is not the same as the SPS .apf format; afaik .atx could well be supported. iIt seems to be a dynamic format similar to .fdi with the capability of storing flux data... The altirra source code handles it in disk.cpp.

LN


"When life gives you zombies... *CHA-CHIK!* ...you make zombie-ade!"
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