| 
 
			
				
					| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | cloneof | romof | MachineGenreId |  
					| mg1 | mg1/mg1.cpp |  | no | no | no | yes | MG-1 | 1984 | Whitechapel Computer Works |  |  | Computer / Workstation - Server |  
 | 
		| rom
			
				
					| name | size | crc | sha1 | region | offset | status | optional | merge | bios |  
					| sys_260_even.u291 | 8192 | 24b45b73 | 04d86587b104aa122ac395aa39eb92a1f4d68def | prom | 0 | good | no |  | 260 |  
					| sys_260_odd.u292 | 8192 | a46ebbf8 | a2ab9fa3a9576d63d8d49730bfcd58a0f508b30f | prom | 1 | good | no |  | 260 |  
					| even_2.51__sys__13.1_u291.u291 | 8192 | 677cab3c | d0197b45ddb1ddd8cd125727312b06dcae0f984a | prom | 0 | good | no |  | 251 |  
					| odd_2.51__sys__13.1_u292.u292 | 8192 | b0134a98 | a81bd4987030b09799bad0c3bc758ea8aed8cd2f | prom | 1 | good | no |  | 251 |  
					| 3.0__iop__24.7.87.u285 | 8192 | 733cd089 | 31ffdd85b4ae2ac35dcde292a0d42860baaba88d | iop_prom | 0 | good | no |  |  |  
 | 
		| biosset
			
				
					| name | description | default |  
					| 260 | v2.60 | no |  
					| 251 | v2.51 | no |  
 | 
		| chip
			
				
					| type | tag | name | clock |  
					| cpu | cpu | National Semiconductor NS32016 | 8000000 |  
					| cpu | iop | Motorola MC68121 IPC | 1000000 |  
					| cpu | kbd:mcu | Intel 8039 | 6000000 |  
					| audio | fdc:0:35dd:flopsndout | Speaker |  |  
					| audio | fdc:0:35dd:floppysound | Floppy sound | 44100 |  
					| audio | mono | Speaker |  |  
					| audio | buzzer | Filtered DAC |  |  
 | 
		| control
			
				
					| type | player | buttons | ways | reverse | minimum | maximum | sensitivity | keydelta | ways2 | ways3 | reqbuttons |  
					| mouse |  | 3 |  | no | 0 | 65535 | 100 |  |  |  |  |  
					| keyboard |  | 83 |  | no |  |  |  |  |  |  |  |  
 | 
		| device
			
				
					| type | tag | interface | fixed_image | mandatory |  
					| harddisk | hdc:0 |  |  |  |  
					| harddisk | hdc:1 |  |  |  |  
					| floppydisk | fdc:0:35dd | floppy_3_5 |  |  |  
 | 
		| device_ref
			
				
					| name |  
					| ns32016 |  
					| ns32081 |  
					| ns32082 |  
					| ns32202 |  
					| ram |  
					| nvram |  
					| mc68121 |  
					| nvram |  
					| pit8253 |  
					| pit_counter |  
					| pit_counter |  
					| pit_counter |  
					| ipt_merge_all_hi |  
					| am9516 |  
					| am9516 |  
					| i8251 |  
					| rs232 |  
					| mm58174 |  
					| hd6845s |  
					| screen |  
					| am7990 |  
					| upd7261 |  
					| harddisk_image |  
					| harddisk_image |  
					| wd1770 |  
					| floppy_connector |  
					| floppy_35_dd |  
					| speaker |  
					| flopsnd |  
					| pit8253 |  
					| pit_counter |  
					| pit_counter |  
					| pit_counter |  
					| mg1_kbd_device |  
					| i8039 |  
					| clock |  
					| speaker |  
					| speaker_sound_device |  
 | 
		| dipswitch
			
				
					| name | tag | mask |  
					| Baud Rate | kbd:w | 240 |  
 | 
		| display
			
				
					| tag | type | rotate | width | height | refresh | pixclock | htotal | hbend | hbstart | vtotal | vbend | vbstart | flipx |  
					| screen | raster | 0 | 1024 | 800 | 57.164634 | 60000000 | 1280 | 64 | 1088 | 820 | 0 | 800 | no |  
 | 
		| driver
			
				
					| status | emulation | savestate | requiresartwork | unofficial | nosoundhardware | incomplete | cocktail |  
					| preliminary | preliminary | unsupported | no | no | no | no |  |  
 | 
		| input
			
				
					| players | coins | service | tilt |  
					| 1 |  | no | no |  
 | 
		| port
			
				
					| tag |  
					| :MOUSE_B |  
					| :MOUSE_X |  
					| :MOUSE_Y |  
					| :kbd:col.0 |  
					| :kbd:col.1 |  
					| :kbd:col.2 |  
					| :kbd:col.3 |  
					| :kbd:col.4 |  
					| :kbd:col.5 |  
					| :kbd:col.6 |  
					| :kbd:col.7 |  
					| :kbd:col.8 |  
					| :kbd:col.9 |  
					| :kbd:col.a |  
					| :kbd:col.b |  
					| :kbd:col.c |  
					| :kbd:col.d |  
					| :kbd:col.e |  
					| :kbd:col.f |  
					| :kbd:w |  
 | 
		| ramoption
			
				
					| name | ramoptionValue | default |  
					| 4M | 4194304 |  |  
					| 6M | 6291456 |  |  
					| 8M | 8388608 |  |  
					| 2M | 2097152 | yes |  
 | 
		| slot
 | 
		| sound
 |