| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | romof | cloneof | MachineGenreId |
| x820 | xerox/xerox820.cpp | | no | no | no | yes | Xerox 820 | 1981 | Xerox | bigboard | bigboard | Computer / Business - Terminal |
|
rom
| name | size | crc | sha1 | region | offset | status | optional | merge | bios |
| x820v10.u64 | 2048 | | | u46 | 0 | nodump | no | | v10 |
| x820v10.u63 | 2048 | | | u46 | 800 | nodump | no | | v10 |
| x820v20.u64 | 2048 | 2fc227e2 | b4ea0ae23d281a687956e8a514cb364a1372678e | u46 | 0 | good | no | | v20 |
| x820v20.u63 | 2048 | bc11f834 | 4fd2b209a6e6ff9b0c41800eb5228c34a0d7f7ef | u46 | 800 | good | no | | v20 |
| mxkx25a.u64 | 2048 | 7ec5f100 | 5d0ff35a51aa18afc0d9c20ef99ff5d9d3f2075b | u46 | 0 | good | no | | smart23 |
| mxkx25b.u63 | 2048 | a7543798 | 886e617e1003d13f86f33085cbd49391b77291a3 | u46 | 800 | good | no | | smart23 |
| p2x25a.u64 | 2048 | 3ccd7a8f | 6e46c88f03fc7289595dd6bec95e23bb13969525 | u46 | 0 | good | no | | plus2 |
| p2x25b.u63 | 2048 | 1e580391 | e91f8ce82586df33c0d6d02eb005e8079f4de67d | u46 | 800 | good | no | | plus2 |
| x820.u92 | 2048 | b823fa98 | ad0ea346aa257a53ad5701f4201896a2b3a0f928 | chargen | 0 | good | no | | |
|
biosset
| name | description | default |
| v10 | Xerox Monitor v1.0 | no |
| v20 | Xerox Monitor v2.0 | yes |
| smart23 | MICROCode SmartROM v2.3 | no |
| plus2 | MICROCode Plus2 v0.2a | no |
|
chip
| type | tag | name | clock |
| cpu | u46 | Zilog Z80 | 2500000 |
| cpu | kb:i8748 | Intel 8048 | 6000000 |
| audio | u109:0:sa400l:flopsndout | Speaker | |
| audio | u109:0:sa400l:floppysound | Floppy sound | 44100 |
| audio | u109:1:sa400l:flopsndout | Speaker | |
| audio | u109:1:sa400l:floppysound | Floppy sound | 44100 |
|
control
| type | player | buttons | ways | reverse | minimum | maximum | sensitivity | keydelta | ways2 | ways3 | reqbuttons |
| keyboard | | 74 | | no | | | | | | | |
|
device
| type | tag | interface | fixed_image | mandatory |
| floppydisk | u109:0:sa400l | floppy_5_25 | | |
| floppydisk | u109:1:sa400l | floppy_5_25 | | |
| quickload | quickload | | | |
|
device_ref
| name |
| z80 |
| screen |
| gfxdecode |
| palette |
| z80pio |
| z80pio |
| z80ctc |
| z80ctc_channel |
| z80ctc_channel |
| z80ctc_channel |
| z80ctc_channel |
| fd1771 |
| floppy_connector |
| floppy_525_sssd |
| speaker |
| flopsnd |
| floppy_connector |
| floppy_525_sssd |
| speaker |
| flopsnd |
| z80sio |
| z80sio_channel |
| z80sio_channel |
| rs232 |
| rs232 |
| com8116 |
| x820kb |
| i8048 |
| software_list |
| quickload |
|
display
| tag | type | rotate | width | height | refresh | pixclock | htotal | hbend | hbstart | vtotal | vbend | vbstart | flipx |
| screen | raster | 0 | 560 | 240 | 58.759615 | 10694250 | 700 | 0 | 560 | 260 | 0 | 240 | no |
|
driver
| status | emulation | savestate | requiresartwork | unofficial | nosoundhardware | incomplete | cocktail |
| good | good | unsupported | no | no | yes | no | |
|
input
| players | coins | service | tilt |
| 1 | | no | no |
|
port
| tag |
| :kb:Y0 |
| :kb:Y1 |
| :kb:Y10 |
| :kb:Y11 |
| :kb:Y12 |
| :kb:Y13 |
| :kb:Y14 |
| :kb:Y15 |
| :kb:Y2 |
| :kb:Y3 |
| :kb:Y4 |
| :kb:Y5 |
| :kb:Y6 |
| :kb:Y7 |
| :kb:Y8 |
| :kb:Y9 |
|
slot
| name |
| u109:0 |
| u109:1 |
| rs232a |
| rs232b |
|
softwarelist
| tag | name | status | filter |
| flop_list | xerox820 | original | |
|
sound
|