been there done that both failled System: NEO RomName: mslug5 Game: Metal slug 5 [Program] 268-p1.bin,0,800000,3f1cf3d2,0 [Z80] 268-m1d.bin,0,20000,6fa01c9a,0 [samples] 268-v1.bin,0,400000,C3540E0D,0 268-v2.bin,400000,400000,077bd2f4,0 268-v3.bin,800000,400000,39B14567,0 268-v4.bin,C00000,400000,969FF3B2,0 [Graphics] 268-c1.bin,0,800000,27d59de8,0 268-c2.bin,1,800000,e600dee1,0 268-c3.bin,1000000,800000,b650f098,0 268-c4.bin,1000001,800000,10499589,0 268-c5.bin,2000000,800000,19352405,0 268-c6.bin,2000001,800000,bbec8745,0 268-c7.bin,3000000,800000,fe2c1338,0 268-c8.bin,3000001,800000,ecce3141,0 [system] CartridgeID: 268 GfxCrypt: 1 GfxKey: 1e ButLayout: 9 Fix: System: NEO RomName: mslug5nd Game: Metal slug 5 [Program] 268-p1.bin,0,800000,3f1cf3d2,0 [Z80] 268-m1d.bin,0,20000,6fa01c9a,0 [samples] 268-v1.bin,0,400000,C3540E0D,0 268-v2.bin,400000,400000,77BD2F4,0 268-v3.bin,800000,400000,39B14567,0 268-v4.bin,C00000,400000,969FF3B2,0 [Graphics] 268-c1d.bin,0,800000,969C0D62,0 268-c2d.bin,1,800000,C69AE867,0 268-c3d.bin,1000000,800000,D7BEAEAF,0 268-c4d.bin,1000001,800000,E1B1131B,0 268-c5d.bin,2000000,800000,2FA1A5AD,0 268-c6d.bin,2000001,800000,6DE89589,0 268-c7d.bin,3000000,800000,97BD0C0A,0 268-c8d.bin,3000001,800000,C0D5BC20,0 [system] CartridgeID: 268 GfxCrypt: 0 GfxKey: 0 ButLayout: 9 Fix: 0 So why is this rom proving so difficult to get working outside of a hacked mame?...does it have extra encryption or something?........or is it a bad dump?