| 
 
			
				
					| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | cloneof | romof | MachineGenreId |  
					| stkclmnsj | sega/segac2.cpp |  | no | no | no | yes | Stack Columns (Japan) | 1994 | Sega | stkclmns | stkclmns | Puzzle / Drop |  
 | 
		| rom
			
				
					| name | size | crc | sha1 | region | offset | status | optional | merge | bios |  
					| epr-16795.ic32 | 524288 | b478fd02 | aaf9d9f9f4dc900b4e8ff6f258f26e782e5c3166 | maincpu | 0 | good | no |  |  |  
					| epr-16794.ic31 | 524288 | 6d0e8c56 | 8f98d9fd98a1faa70b173cfd72f15102d11e79ae | maincpu | 1 | good | no |  |  |  
					| mpr-16797.ic34 | 524288 | b28e9bd5 | 227eb591d10c9dbc52b35954ebd322e2a4451df2 | maincpu | 100000 | good | no | mpr-16797.ic34 |  |  
					| mpr-16796.ic33 | 524288 | ec7de52d | 85bc48cef15e615ad9059500808d17916c854a87 | maincpu | 100001 | good | no | mpr-16796.ic33 |  |  
					| epr-16793.ic4 | 131072 | ebb2d057 | 4a19ee5d71e4aabe7d9b9b968ab5ee4bc6262aad | upd | 0 | good | no | epr-16793.ic4 |  |  
 | 
		| chip
			
				
					| type | tag | name | clock |  
					| cpu | maincpu | Motorola MC68000 | 8948862 |  
					| audio | gen_vdp | Sega 315-5313 Megadrive VDP | 53693175 |  
					| audio | gen_vdp:snsnd | Sega VDP PSG | 3579545 |  
					| audio | mono | Speaker |  |  
					| audio | ymsnd | YM3438 OPN2C | 7670453 |  
					| audio | upd | NEC uPD7759 | 640000 |  
 | 
		| 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 |  
					| nvram |  
					| 315_5296 |  
					| sega315_5313 |  
					| palette |  
					| segapsg |  
					| palette |  
					| palette |  
					| palette |  
					| timer |  
					| screen |  
					| palette |  
					| speaker |  
					| ym3438 |  
					| upd7759 |  
 | 
		| dipswitch
			
				
					| name | tag | mask |  
					| Coin A | COINAGE | 15 |  
					| Coin B | COINAGE | 240 |  
					| Difficulty | DSW | 3 |  
					| Demo Sounds | DSW | 4 |  
					| Match Mode Price | DSW | 8 |  
					| Unused | DSW | 16 |  
					| Unused | DSW | 32 |  
					| Unused | DSW | 64 |  
					| Unused | DSW | 128 |  
 | 
		| display
			
				
					| tag | type | rotate | width | height | refresh | pixclock | htotal | hbend | hbstart | vtotal | vbend | vbstart | flipx |  
					| screen | raster | 0 | 256 | 224 | 59.922743 | 8038276 | 512 | 0 | 256 | 262 | 0 | 224 | no |  
 | 
		| driver
			
				
					| status | emulation | savestate | requiresartwork | unofficial | nosoundhardware | incomplete | cocktail |  
					| good | good | unsupported | no | no | no | no |  |  
 | 
		| input
			
				
					| players | coins | service | tilt |  
					| 2 | 2 | yes | no |  
 | 
		| port
			
				
					| tag |  
					| :COINAGE |  
					| :DSW |  
					| :P1 |  
					| :P2 |  
					| :SERVICE |  
 | 
		| sound
 |