You gotta change the old p1 into the latest p1 for kawaks. You can download the latest p1 here: http://www.neogamez.net/Downloads/Utilidad...g5_p1kawaks.zip The DAT: %%%%%%%%%%% System: NEO RomName: mslug5 Game: Metal Slug 5 [Program] 268_p1.rom,0,600000,975EB06A,0 [Text] 268_s1.rom,0,20000,64952683,0 [Z80] 268_m1.rom,0,20000,6FA01C9A,0 [samples] 268_v1.rom,0,400000,C3540E0D,0 268_v2.rom,400000,400000,77BD2F4,0 268_v3.rom,800000,400000,39B14567,0 268_v4.rom,C00000,400000,969FF3B2,0 [Graphics] 268_c1.rom,0,800000,969C0D62,0 268_c2.rom,1,800000,C69AE867,0 268_c3.rom,1000000,800000,D7BEAEAF,0 268_c4.rom,1000001,800000,E1B1131B,0 268_c5.rom,2000000,800000,2FA1A5AD,0 268_c6.rom,2000001,800000,6DE89589,0 268_c7.rom,3000000,800000,97BD0C0A,0 268_c8.rom,3000001,800000,C0D5BC20,0 [system] CartridgeID: 268 GfxCrypt: 0 GfxKey: 0 ButLayout: 9 Fix: 0 %%%%%%%%%%%%%%%%% I have tested it and it works!!!