lr-mame 2010 and 7z format
-
How are you compressing the ROMs to 7z ? Did you use a ROM manager ?
-
@mitu said in lr-mame 2010 and 7z format:
How are you compressing the ROMs to 7z ? Did you use a ROM manager ?
This is the same issue I'm having (logs state individual files NOT FOUND). Here, using standard 7Zip for Windows. Level 9 compression (not using a ROM manager). The same ROM in 7Z format may work fine with MAME2015 or MAME2016, but not MAME 2010. The ZIP version of the same loads fine w/MAME2010. Weird. I had no idea anybody else was able to use .7Z until today.
Using a universally compatible ROM "avalnche".
MAME 2010 (d315183) <--2 releases back from current
RetroArch 1.8.8 (Standard RetroPie Installation) -
@roslof What does
7z l avalnche.7zshow ? -
Path = avalnche.7z Type = 7z Physical Size = 4291 Headers Size = 199 Method = LZMA:16 Solid = + Blocks = 1 Date Time Attr Size Compressed Name ------------------- ----- ------------ ------------ ------------------------ 1996-12-24 23:32:00 ..... 2048 4092 30611.c2 1996-12-24 23:32:00 ..... 2048 30614.c3 1996-12-24 23:32:00 ..... 2048 30612.d2 1996-12-24 23:32:00 ..... 2048 30615.d3 1996-12-24 23:32:00 ..... 2048 30613.e2 1996-12-24 23:32:00 ..... 2048 30616.e3 ------------------- ----- ------------ ------------ ------------------------ 1996-12-24 23:32:00 12288 4092 6 files -
@roslof said in lr-mame 2010 and 7z format:
Method = LZMA:16
that's different from my test ROM, which had
Method = LZMA2:21
Can you re-pack the file using the
7zon your RetroPie installation ? Justunzip "$HOME/RetroPie/roms/mame-libretro/avalnche.zip" -d /tmp/avalnche pushd /tmp/avalnche 7z a avalnche.7z * cp avalnche.7z "$HOME/RetroPie/roms/mame-libretro" popd -
@mitu I'll do that, but
I did figure out that using method LZMA2 instead of LZMA works... :|EDIT. This was incorrect. I had the emulator set for lr-mame...Neither LZMA nor LZMA2 generated from either 7-Zip or the Pi's 7z launch for me with MAME2010.
FWIW, here is the output for the Pi .7z:
Listing archive: avalnche.7z -- Path = avalnche.7z Type = 7z Physical Size = 4295 Headers Size = 203 Method = LZMA2:12k Solid = + Blocks = 1 Date Time Attr Size Compressed Name ------------------- ----- ------------ ------------ ------------------------ 1996-12-24 23:32:00 ....A 2048 4092 30611.c2 1996-12-24 23:32:00 ....A 2048 30612.d2 1996-12-24 23:32:00 ....A 2048 30613.e2 1996-12-24 23:32:00 ....A 2048 30614.c3 1996-12-24 23:32:00 ....A 2048 30615.d3 1996-12-24 23:32:00 ....A 2048 30616.e3 ------------------- ----- ------------ ------------ ------------------------ 1996-12-24 23:32:00 12288 4092 6 files -
This post is deleted! -
@roslof using the same ROM (
avalnche) I get the same error (files missing). Seems it's not fully.7zcompliant or some compression parameters are different between the ROMs. -
@mitu said in lr-mame 2010 and 7z format:
@roslof using the same ROM (
avalnche) I get the same error (files missing). Seems it's not fully.7zcompliant or some compression parameters are different between the ROMs.Yes, something funky. Same ROM files work perfectly fine as a ZIP. But this also seems to be the case for all ROMs for me... Well, at least all the ones I've ever tested (maybe 30-40?).
-
I guess some bug is around this, not sense to me what is going on with .7z files
-
I've looked at the libretro core repository, it doesn't seem to be supporting
.7z. We'll update the docs accordingly, I was about to refactor the MAME page anyway.
I found out why my test was working - I traced the core and it actually picked up the.zipfile instead of the.7z, once I removed the original.zip, it stopped working. -
@mitu Thanks for looking at it, keeping the files in zip format :)
Contributions to the project are always appreciated, so if you would like to support us with a donation you can do so here.
Hosting provided by Mythic-Beasts. See the Hosting Information page for more information.