| 
 
			
				
					| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | cloneof | romof | MachineGenreId |  
					| tetrist | taito/taito_b.cpp |  | no | no | no | yes | Tetris (Japan, Taito B-System, Nastar Conversion Kit) | 1988 | Sega | tetris | tetris | Puzzle / Drop |  
 | 
		| rom
			
				
					| name | size | crc | sha1 | region | offset | status | optional | merge | bios |  
					| c12-03.50 | 131072 | 38f1ed41 | d11194dd6686e6eba8c481bb0f9662041ca396ed | maincpu | 0 | good | no |  |  |  
					| c12-02.31 | 131072 | ed9530bc | 84c324e4ef0c5c3af04ea000ad3e9c319bd9f2a2 | maincpu | 1 | good | no |  |  |  
					| c12-05.49 | 131072 | 128e9927 | 227b4a43074b66c9ba6f4497eb329fbcc5e3f52b | maincpu | 40000 | good | no |  |  |  
					| c12-04.30 | 131072 | 5da7a319 | 0c903b3274f6eafe24c8b5ef476dc5e8e3131b20 | maincpu | 40001 | good | no |  |  |  
					| c12-06.37 | 65536 | f2814b38 | 846d3cc7a6f1cfbfd5661d6942f24330d21f91f0 | audiocpu | 0 | good | no |  |  |  
					| b81-03.14 | 524288 | 551b75e6 | 5b8388ee2c6262f359c9e6d04c951ea8dc3901c9 | gfx2 | 0 | good | no |  |  |  
					| b81-04.15 | 524288 | cf734e12 | 4201a74468058761454515738fbf3a7b22a66e00 | gfx2 | 80000 | good | no |  |  |  
					| b81-02.2 | 524288 | 20ec3b86 | fcdcc7f0a09feb824d8d73b1af0aae7ec30fd1ed | ymsnd:adpcma | 0 | good | no |  |  |  
					| b81-01.1 | 524288 | b33f796b | 6cdb32f56283acdf20eb46a1e658e3bd7c97978c | ymsnd:adpcmb | 0 | good | no |  |  |  
 | 
		| chip
			
				
					| type | tag | name | clock |  
					| cpu | maincpu | Motorola MC68000 | 12000000 |  
					| cpu | audiocpu | Zilog Z80 | 4000000 |  
					| audio | mono | Speaker |  |  
					| audio | ymsnd | YM2610 OPNB | 8000000 |  
 | 
		| control
			
				
					| type | player | buttons | ways | reverse | minimum | maximum | sensitivity | keydelta | ways2 | ways3 | reqbuttons |  
					| joy | 1 | 2 | 8 | no |  |  |  |  |  |  |  |  
					| joy | 2 | 2 | 8 | no |  |  |  |  |  |  |  |  
 | 
		| device_ref
			
				
					| name |  
					| m68000 |  
					| z80 |  
					| tc0220ioc |  
					| watchdog |  
					| screen |  
					| palette |  
					| tc0180vcu |  
					| speaker |  
					| ym2610 |  
					| tc0140syt |  
 | 
		| dipswitch
			
				
					| name | tag | mask |  
					| Unused | DSWA | 1 |  
					| Flip Screen | DSWA | 2 |  
					| Service Mode | DSWA | 4 |  
					| Demo Sounds | DSWA | 8 |  
					| Coin A | DSWA | 48 |  
					| Coin B | DSWA | 192 |  
					| Difficulty | DSWB | 3 |  
					| Unused | DSWB | 4 |  
					| Unused | DSWB | 8 |  
					| Unused | DSWB | 16 |  
					| Unused | DSWB | 32 |  
					| Unused | DSWB | 64 |  
					| Unused | DSWB | 128 |  
 | 
		| display
			
				
					| tag | type | rotate | width | height | refresh | pixclock | htotal | hbend | hbstart | vtotal | vbend | vbstart | flipx |  
					| screen | raster | 0 | 320 | 224 | 60.000000 |  |  |  |  |  |  |  | no |  
 | 
		| driver
			
				
					| status | emulation | savestate | requiresartwork | unofficial | nosoundhardware | incomplete | cocktail |  
					| good | good | supported | no | no | no | no |  |  
 | 
		| input
			
				
					| players | coins | service | tilt |  
					| 2 | 2 | no | yes |  
 | 
		| port
			
				
					| tag |  
					| :DSWA |  
					| :DSWB |  
					| :IN0 |  
					| :IN1 |  
					| :IN2 |  
 | 
		| sound
 |