Sorry it's a adding code problem!!! Been around the site & thought id add the code for mslug5, i know the stickys are abit out of date (admin, how about updating the stickys) anyway after compile i get these errors implicit declaration of function mslug5_px_decrypt implicit declaration of function neo_pcm2_playmore_2002 im using this driver init DRIVER_INIT( mslug5 ) { mslug5_px_decrypt(); neo_pcm2_playmore_2002(2); // Mslug5 neogeo_fix_bank_type = 1; kof2000_neogeo_gfx_decrypt(0x19); init_neogeo(); } anyhelp would be great thanks