| 
 
			
				
					| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | cloneof | romof | MachineGenreId |  
					| bm4thmix | konami/djmain.cpp |  | no | no | no | yes | beatmania 4th MIX (ver JA-A) | 1999 | Konami |  |  | Music Game / Instruments |  
 | 
		| rom
			
				
					| name | size | crc | sha1 | region | offset | status | optional | merge | bios |  
					| 847jaa01.6a | 524288 | 81138a1b | ebe211126f871e541881e1670f56d50b058dead3 | maincpu | 0 | good | no |  |  |  
					| 847jaa02.8a | 524288 | 4eeb0010 | 942303dfb19a4a78dd74ad24576031760553a661 | maincpu | 1 | good | no |  |  |  
					| 847jaa03.19a | 524288 | f447d140 | cc15b80419940d127a77765508f877421ed86ee2 | gfx1 | 0 | good | no |  |  |  
					| 847jaa04.20a | 524288 | edc3e286 | 341b1dc6ee1562b1ddf235a66ac96b94c482b67c | gfx1 | 1 | good | no |  |  |  
					| 847jaa05.22a | 524288 | da165b5e | e46110590e6ab89b55f6abfbf6c53c99d28a75a9 | gfx1 | 100000 | good | no |  |  |  
					| 847jaa06.24a | 524288 | 8bfc2f28 | f8869867945d63d9f34b6228d95c5a61b193eed2 | gfx1 | 100001 | good | no |  |  |  
					| 847jab07.22d | 524288 | c159e7c4 | 96af0c29b2f1fef494b2223179862d16f26bb33f | k056832 | 0 | good | no |  |  |  
					| 847jab08.23d | 524288 | 8ff084d6 | 50cff8c701e33f2630925c1a9ae4351076912acd | k056832 | 1 | good | no |  |  |  
					| 847jab09.25d | 524288 | 2e4ac9fe | bbd4c6e0c82fc0be88f851e901e5853b6bcf775f | k056832 | 100000 | good | no |  |  |  
					| 847jab10.27d | 524288 | c78516f5 | 1adf5805c808dc55de14a9a9b20c3d2cf7bf414d | k056832 | 100001 | good | no |  |  |  
 | 
		| chip
			
				
					| type | tag | name | clock |  
					| cpu | maincpu | Motorola MC68EC020 | 16000000 |  
					| audio | speaker | Speaker |  |  
					| audio | k054539_1 | Konami 054539 ADPCM | 18432000 |  
					| audio | k054539_2 | Konami 054539 ADPCM | 18432000 |  
 | 
		| control
			
				
					| type | player | buttons | ways | reverse | minimum | maximum | sensitivity | keydelta | ways2 | ways3 | reqbuttons |  
					| dial | 1 | 5 |  | no | 0 | 255 | 30 | 15 |  |  |  |  
					| dial | 2 | 5 |  | no | 0 | 255 | 30 | 15 |  |  |  |  
 | 
		| device
			
				
					| type | tag | interface | fixed_image | mandatory |  
					| harddisk | ata:0:hdd:image | ide_hdd,hdd |  |  |  
 | 
		| device_ref
			
				
					| name |  
					| m68ec020 |  
					| ata_interface |  
					| ata_slot |  
					| idehd |  
					| harddisk_image |  
					| ata_slot |  
					| screen |  
					| palette |  
					| gfxdecode |  
					| k056832 |  
					| k055555 |  
					| speaker |  
					| k054539 |  
					| k054539 |  
 | 
		| dipswitch
			
				
					| name | tag | mask |  
					| Coinage | DSW1 | 31 |  
					| Free Play (Ignore Coinage) | DSW1 | 32 |  
					| Free Secret Expert Course (step2of4) | DSW1 | 64 |  
					| Free Secret Expert Course (step1of4) | DSW1 | 128 |  
					| Expert Mode Difficulty | DSW2 | 3 |  
					| Basic / Hard Mode Difficulty | DSW2 | 12 |  
					| Level Display | DSW2 | 16 |  
					| Demo Sounds | DSW2 | 96 |  
					| Score Display / Free Secret Expert Course (step3of4) | DSW2 | 128 |  
					| Score Display (if Free Secret Expert Course) | DSW3 | 1 |  
					| Free Secret Expert Course (step4of4) | DSW3 | 2 |  
					| Event Mode Stages | DSW3 | 28 |  
					| Basic / Hard Mode Stages | DSW3 | 28 |  
					| Event Mode (Ignore Coinage) | DSW3 | 32 |  
 | 
		| disk
			
				
					| name | merge | sha1 | region | index | writable | status | optional |  
					| 847jaa11 |  | 8cad631531b5616d6a4b0a99d988f4b525932dc7 | ata:0:hdd | 0 | yes | good | no |  
 | 
		| display
			
				
					| tag | type | rotate | width | height | refresh | pixclock | htotal | hbend | hbstart | vtotal | vbend | vbstart | flipx |  
					| screen | raster | 0 | 488 | 384 | 57.996230 | 16000000 | 660 | 12 | 500 | 418 | 0 | 384 | no |  
 | 
		| driver
			
				
					| status | emulation | savestate | requiresartwork | unofficial | nosoundhardware | incomplete | cocktail |  
					| imperfect | good | unsupported | no | no | no | no |  |  
 | 
		| feature
			
				
					| type | status | overall |  
					| sound |  | imperfect |  
 | 
		| input
			
				
					| players | coins | service | tilt |  
					| 2 | 1 | yes | no |  
 | 
		| port
			
				
					| tag |  
					| :BTN1 |  
					| :BTN2 |  
					| :BTN3 |  
					| :DSW1 |  
					| :DSW2 |  
					| :DSW3 |  
					| :TT1 |  
					| :TT2 |  
					| :UNK1 |  
					| :UNK2 |  
 | 
		| sound
 |