| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | romof | cloneof | MachineGenreId |
| a51site4 | atari/mediagx.cpp | | no | no | no | yes | Area 51: Site 4 (HD Rev 2.01, September 7, 1998) | 1998 | Atari Games | | | Shooter / Gun |
|
rom
| name | size | crc | sha1 | region | offset | status | optional | merge | bios |
| a51s4_bios_09-15-98.u1 | 262144 | f8cd6a6b | 75f851ae21517b729a5596ce5e042ebfaac51778 | bios | 0 | good | no | | new |
| a51s4_bios_07-11-98.u1 | 262144 | 5ee189cc | 0b0d9321a4c59b1deea6854923e655a4d8c4fcfe | bios | 0 | good | no | | old |
| a51s4_bios_04-22-98.u1 | 262144 | 2008bfc6 | 004bec8759fb04d375c6efc49d048693d1f871ee | bios | 0 | good | no | | older |
| cga.chr | 4096 | 42009069 | ed08559ce2d7f97f68b9f540bddad5b6295294dd | gfx1 | 0 | good | no | | |
|
biosset
| name | description | default |
| new | v1.0h | no |
| old | v1.0f | no |
| older | v1.0d | no |
|
chip
| type | tag | name | clock |
| cpu | maincpu | Cyrix MediaGX | 166000000 |
| cpu | dma8237_1 | AM9517A | 4772727 |
| cpu | dma8237_2 | AM9517A | 4772727 |
| audio | lspeaker | Speaker | |
| audio | rspeaker | Speaker | |
| audio | dac0 | DMA-driven DAC | |
| audio | dac1 | DMA-driven DAC | |
|
control
| type | player | buttons | ways | reverse | minimum | maximum | sensitivity | keydelta | ways2 | ways3 | reqbuttons |
| joy | 1 | 9 | 5 (half8) | no | | | | | | | |
| keyboard | 1 | 103 | | no | | | | | | | |
| joy | 2 | 3 | 5 (half8) | no | | | | | | | |
| joy | 3 | 3 | 5 (half8) | no | | | | | | | |
|
device
| type | tag | interface | fixed_image | mandatory |
| printout | lpt0:centronics:printer:printer | | | |
| harddisk | ide:0:hdd:image | ide_hdd,hdd | | |
|
device_ref
| name |
| mediagx |
| pc_lpt |
| centronics |
| centronics_printer |
| printer_image |
| input_buffer |
| input_buffer |
| input_buffer |
| output_latch |
| output_latch |
| pic8259 |
| pic8259 |
| am9517a |
| am9517a |
| pit8254 |
| pit_counter |
| pit_counter |
| pit_counter |
| mc146818 |
| kbdc8042 |
| at_keyb |
| pci_bus_legacy |
| idectrl32 |
| ata_slot |
| idehd |
| harddisk_image |
| ata_slot |
| timer |
| ramdac |
| screen |
| gfxdecode |
| palette |
| speaker |
| speaker |
| dmadac |
| dmadac |
|
disk
| name | merge | sha1 | region | index | writable | status | optional |
| a51site4-2_01 | | 48496666d1613700ae9274f9a5361ea5bbaebea0 | ide:0:hdd | 0 | yes | good | no |
|
display
| tag | type | rotate | width | height | refresh | pixclock | htotal | hbend | hbstart | vtotal | vbend | vbstart | flipx |
| screen | raster | 0 | 640 | 240 | 60.000000 | 18432000 | 640 | 0 | 640 | 480 | 0 | 240 | no |
|
driver
| status | emulation | savestate | requiresartwork | unofficial | nosoundhardware | incomplete | cocktail |
| preliminary | preliminary | unsupported | no | no | no | no | |
|
input
| players | coins | service | tilt |
| 3 | 4 | yes | no |
|
port
| tag |
| :IN0 |
| :IN1 |
| :IN2 |
| :IN3 |
| :IN4 |
| :IN5 |
| :IN6 |
| :IN7 |
| :IN8 |
| :at_keyboard:pc_keyboard_0 |
| :at_keyboard:pc_keyboard_1 |
| :at_keyboard:pc_keyboard_2 |
| :at_keyboard:pc_keyboard_3 |
| :at_keyboard:pc_keyboard_4 |
| :at_keyboard:pc_keyboard_5 |
| :at_keyboard:pc_keyboard_6 |
| :at_keyboard:pc_keyboard_7 |
|
slot
|
sound
|