wow great work! I love the new menu screen on the game menu and music (Haomarous stage). I'm testing it out compared to the normal 0.5u3 I also have installed and the notes I've taken.
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THURSDAY JANUARY 5TH
First off when I hit triangle in the main screen and go to the Information for this emulator it states this new updated release as: NeoCDPSP v0.1 not NeoCDPSP v0.5.3-fix
This version is also missing the little battery life bar in the corner which i like.
2020 Super Baseball : runs on 0.5u3 but has no music.
and on 0.5.3-fix its broken. The music plays to the intro but the game is frozen.
Aero Fighters 2 - works now with sound.
Aero Fighters 3 - Works now with sound.
Aggressors of Dark Kombat - Still works perfectly.
Alpha Mission II - Still works perfectly.
Art of Fighting 2 - Still Works Perfectly.
Art of Fighting 3 - Still works fine.
Baseball Stars 2 - on 0.5.u3 this game plays without music. on 0.5.3-fix it now plays with music but seems confused on which tracks to play. example the intro has no music, and later in the game you hear the intro music while playing the game.
Blue's Journey - Now plays with music, but when there is supposed to be no music playing it plays one of the tracks (Stage select track to be exact) instead of just having silence.
Crossed Swords - Now plays with music, it didnt play music on 0.5u3
Crossed Swords 2 - played perfectly in 0.5u3 now in 0.5.3-fix it loads to the menu screen and when you go to play the game it locks up the PSP and shuts it off.
Double Dragon - still broken.
states "could not open %s" and then says "Error: Error while processing IPL.TXT." Then it reboots the PSP
Fatal Fury 3 - worked fine with music and sound on 0.5u3 but now on 0.5.3-fix the game loads to the menu screen and when you choose start game it freezes up and shuts off the PSP.
Fatal Fury Special - Still works fine.
Football Frenzy - on 0.5u3 it played without music, now with 0.5.3-fix it plays with full sound and music.
Galaxy Fight - on 0.5u3 this game played with no sound fx, now on 0.5.3-fix it plays fine with full sound fx and music.
Gowcaizer - Loads to a black screen of death on both 0.5u3 and 0.5.3-fix
Kabuki Klash - Still works with sound fx and music.
Karnov's Revenge - boots to a black screen of death and shuts off the PSP on both 0.5u3 and 0.5.3-fix
but on 0.5.3-fix it actually gets to the main menu screen where you select to play the game before it crashes.
League Bowling - Game plays fine, but it still does not play the 1 audio track that the game has for the intro.
Seems to run smoother on this new version 0.5.3-fix though.
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FRIDAY JANUARY 6TH
The King of Fighters '94 - Seems to play perfectly in 0.5u3 and in 0.5.3-fix
The King of Fighters '95 - Seems to play just fine in 0.5u3 but in 0.5.3-fix its broken. The game will now only load to the menu screen and it plays intro music when its not supposed to on that menu screen and when you choose to play the game (GAME START)--(TEAM PLAY) it freezes with a bsod and eventually turns off the PSP.
The King of Fighters '96 - Works great on 0.5u3 and 0.5.3-fix (only is missing music from character select screen)
he King of Fighters '97 - Works perfectly as far as I can tell on both 0.5u3 and 0.5.3-fix
The King of Fighters '98 - Works perfectly as far as I can tell on both 0.5u3 and 0.5.3-fix
Last Blade - Works fine in 0.5u3 and 0.5.3-fix
Last Resort - Works fine in 0.5u3 and 0.5.3-fix
Mah-Jong Kyo Retsuden - The game plays on 0.5u3 but has no music and when you get to playing Mah-Jong it saves to the memory card after every single move. (please find us a way to disable the memory card saving) on 0.5.3-fix the game still has no music on the intro and the music starts playing when you enter the streets and the main song plays. The game freezes up shortly after during the first memory card save.
Master of Syougi - Plays ok on 0.5u3 if you press Start but has no music. If it gets to the title screen it kinda freaks out. on 0.5.3-fix does the same exact thing with the title screen and has no music for the intro, BUT it at least has in game music.
Mutation Nation - Plays without music on 0.5u3 but now on 0.5.3-fix it seems to play near perfectly with sound fx and music. (only gfx bugs on colors whe fading in and out before and after stages)
Neo Turf Masters - plays identical on both 0.5u3 and 0.5.3-fix with music and sound fx, BUT (sound fx like voice speech is way too loud and mostly doesnt finish the sentences)
Neo-Geo CD Special - plays fine with music and sound fx on 0.5u3 (only one flaw, music seems to keep playing forever after selecting EXIT in the game and going back to the Neo-Geo CDZ console screen.) Plays perfect without that flaw on 0.5.3-fix.
Power Spikes 2 - Works perfectly on both 0.5u3 and 0.5.3-fix
Pulstar - Still working perfectly.
Puzzle Bobble - still has sound issues. but it plays.
Puzzled / Joy Joy Kid - plays with no music in 0.5u3 but on 0.5.3-fix it plays with music now (no music on the intro) and is confused on what tracks to play.
Quiz K.O.F. - No change, still plays fine with sound fx and music but no music plays during the intro.
Ragnagard - No Change, still plays fine with sound fx and music, but framerate is at 50fps and wont get any better. Any chance of speeding this game up?
Double Dragon - Again I own this game, so I should be able to get it to work, and I have tried for about over an hour trying in different ways and I get the same error still. You must have a hacked version or something, perhaps we have different Double Dragon revisions. (I noticed on a website called necstacy there are something more than 1 version of each Neo-Geo CD made, and perhaps they have different data on them. For example I have 2 Mah-Jong Kyo Retsuden CD Games and they both have a different insert on the back slightly and different numbers stamped on the bottom of the disc, allthough the data on the disc appears to be identical to eachother, this just might be a possibility. Maybe my Double Dragon has a different IPL.TXT file or something.
I'll edit this post with further findings....more testing to do!
i love the old arcade games. 
