static RomLoadPtr rom_irrmaze = new RomLoadPtr(){ public void handler(){ 
		ROM_REGION( 0x200000, REGION_CPU1 );
		ROM_LOAD_WIDE_SWAP( "im_p1.rom", 0x000000, 0x200000, 0x6d536c6e );
	
		ROM_REGION( 0x40000, REGION_GFX1 );
		ROM_LOAD( "im_s1.rom",           0x000000, 0x20000, 0x5d1ca640 );
		ROM_LOAD( "ng-sfix.rom",  0x020000, 0x20000, 0x354029fc );
	
		ROM_REGION( 0x20000, REGION_USER1 );
		/* special BIOS with trackball support */
		ROM_LOAD_WIDE_SWAP( "im_bios.rom", 0x00000, 0x020000, 0x853e6b96 );
		ROM_REGION( 0x40000, REGION_CPU2 );
		ROM_LOAD( "ng-sm1.rom", 0x00000, 0x20000, 0x97cf998b );/* we don't use the BIOS anyway... */
		ROM_LOAD( "im_m1.rom",  0x00000, 0x20000, 0x880a1abd );/* so overwrite it with the real thing */
	
		ROM_REGION( 0x200000, REGION_SOUND1 | REGIONFLAG_SOUNDONLY );
		ROM_LOAD( "im_v1.rom", 0x000000, 0x200000, 0x5f89c3b4 );
	
		ROM_REGION( 0x100000, REGION_SOUND2 | REGIONFLAG_SOUNDONLY );
		ROM_LOAD( "im_v2.rom", 0x000000, 0x100000, 0x1e843567 );
	
		ROM_REGION( 0x0800000, REGION_GFX2 );
		ROM_LOAD_GFX_EVEN( "im_c1.rom", 0x000000, 0x400000, 0xc1d47902 );/* Plane 0,1 */
		ROM_LOAD_GFX_ODD ( "im_c2.rom", 0x000000, 0x400000, 0xe15f972e );/* Plane 2,3 */
	ROM_END(); }}