name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | romof | cloneof | MachineGenreId |
bigboard | xerox/xerox820.cpp | | no | no | no | yes | Big Board | 1980 | Digital Research Computers | | | Computer / Single Board |
|
rom
name | size | crc | sha1 | region | offset | status | optional | merge | bios |
bigboard.u67 | 2048 | 5a85a228 | d51a2cbd0aae80315bda9530275aabfe8305364e | u46 | 0 | good | no | | |
bigboard.u73 | 2048 | 10bf0d81 | 7ec73670a4d9d6421a5d6a4c4edc8b7c87923f6c | chargen | 0 | good | 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 |
audio | mono | Speaker | |
audio | beeper | Beep | 950 |
|
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 |
speaker |
beep |
timer |
|
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 |
preliminary | preliminary | unsupported | no | no | no | 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
|