| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | romof | cloneof | MachineGenreId |
| px4 | epson/px4.cpp | | no | no | no | yes | PX-4 | 1985 | Epson | | | Computer / Laptop - Notebook - Portable |
|
rom
| name | size | crc | sha1 | region | offset | status | optional | merge | bios |
| m25122aa_po_px4.10c | 32768 | 62d60dc6 | 3d32ec79a317de7c84c378302e95f48d56505502 | os | 0 | good | no | | default |
| ramtest.10c | 32768 | f8aced5f | a5a2f398e602aa349c3636d6659dd0c7eaba07fb | os | 0 | good | no | | ramtest |
| upd7508.bin | 4096 | | | slave | 0 | nodump | no | | |
|
biosset
| name | description | default |
| default | PX-4 OS ROM | no |
| ramtest | PX-4/PX-8 DRAM Test Ver. 1.0 | no |
|
chip
| type | tag | name | clock |
| cpu | maincpu | Zilog Z80 | 3686400 |
| audio | mono | Speaker | |
| audio | speaker | Filtered DAC | |
| audio | extcas | Cassette | |
|
control
| type | player | buttons | ways | reverse | minimum | maximum | sensitivity | keydelta | ways2 | ways3 | reqbuttons |
| keyboard | | 72 | | no | | | | | | | |
|
device
| type | tag | interface | fixed_image | mandatory |
| printout | centronics:printer:printer | | | |
| cassette | extcas | | | |
| cartridge | capsule0 | px4_cart | | |
| cartridge | capsule1 | px4_cart | | |
|
device_ref
| name |
| z80 |
| screen |
| palette |
| speaker |
| speaker_sound_device |
| timer |
| timer |
| ram |
| nvram |
| centronics |
| centronics_printer |
| printer_image |
| output_latch |
| cassette_image |
| timer |
| epson_sio |
| rs232 |
| generic_cartslot |
| generic_cartslot |
| software_list |
| software_list |
|
dipswitch
| name | tag | mask |
| Character set | dips | 15 |
| LST device | dips | 48 |
| Not used | dips | 64 |
| Keyboard type | dips | 128 |
|
display
| tag | type | rotate | width | height | refresh | pixclock | htotal | hbend | hbstart | vtotal | vbend | vbstart | flipx |
| screen | lcd | 0 | 240 | 64 | 72.000000 | 1105920 | 240 | 0 | 240 | 64 | 0 | 64 | no |
|
driver
| status | emulation | savestate | requiresartwork | unofficial | nosoundhardware | incomplete | cocktail |
| good | good | unsupported | no | no | no | no | |
|
input
| players | coins | service | tilt |
| 1 | | no | no |
|
port
| tag |
| :dips |
| :keyboard_0 |
| :keyboard_1 |
| :keyboard_2 |
| :keyboard_3 |
| :keyboard_4 |
| :keyboard_5 |
|
ramoption
| name | ramoptionValue | default |
| 64K | 65536 | yes |
|
slot
| name |
| centronics |
| sio |
| rs232 |
| capsule0 |
| capsule1 |
|
softwarelist
|
sound
|