| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | cloneof | romof | MachineGenreId | 
				 
					| ti25502 | handheld/hh_tms1k.cpp |   | no | no | no | yes | TI-2550 II | 1975 | Texas Instruments |   |   | Calculator / Pocket Calculator | 
				 
			 
		 
			 
		 | 
	
		
			rom
			
			
				
					| name | size | crc | sha1 | region | offset | status | optional | merge | bios | 
				 
					| tms1071nl | 1024 | 0f5640c9 | 6e8b54d8ceed8850d1186204ea26b6657add3d48 | maincpu | 0 | good | no |   |   | 
				 
					| tms1000_ti25502_micro.pla | 867 | 639cbc13 | a96152406881bdfc7ddc542cf4b478525c8b0e23 | maincpu:mpla | 0 | good | no |   |   | 
				 
					| tms1070_ti25502_output.pla | 406 | c1df3ae6 | f106caaea1ac4787d8b579f16177dbf2f35b094d | maincpu:opla | 0 | good | no |   |   | 
				 
			 
		 
			 
		 | 
	
		
			chip
			
			
				
					| type | tag | name | clock | 
				 
					| cpu | maincpu | Texas Instruments TMS1070 | 350000 | 
				 
			 
		 
			 
		 | 
	
		
			configuration
			
			
				
					| name | tag | mask | 
				 
					| Decimal | IN.7 | 15 | 
				 
			 
		 
			 
		 | 
	
		
			control
			
			
				
					| type | player | buttons | ways | reverse | minimum | maximum | sensitivity | keydelta | ways2 | ways3 | reqbuttons | 
				 
					| keypad |   | 28 |   | no |   |   |   |   |   |   |   | 
				 
			 
		 
			 
		 | 
	
		
			device_ref
			
			
				
					| name | 
				 
					| tms1070 | 
				 
					| pla | 
				 
					| pla | 
				 
					| pwm_display | 
				 
			 
		 
			 
		 | 
	
		
			driver
			
			
				
					| status | emulation | savestate | requiresartwork | unofficial | nosoundhardware | incomplete | cocktail | 
				 
					| good | good | supported | no | no | yes | no |   | 
				 
			 
		 
			 
		 | 
	
		
			input
			
			
				
					| players | coins | service | tilt | 
				 
					| 1 |   | no | no | 
				 
			 
		 
			 
		 | 
	
		
			port
			
			
				
					| tag | 
				 
					| :IN.0 | 
				 
					| :IN.1 | 
				 
					| :IN.2 | 
				 
					| :IN.3 | 
				 
					| :IN.4 | 
				 
					| :IN.5 | 
				 
					| :IN.6 | 
				 
					| :IN.7 | 
				 
			 
		 
			 
		 | 
	
		
			sound
			
			 
		 |