| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | romof | cloneof | MachineGenreId |
| m20 | olivetti/m20.cpp | | no | no | no | yes | Olivetti L1 M20 | 1981 | Olivetti | | | Computer / Business - Terminal |
|
rom
| name | size | crc | sha1 | region | offset | status | optional | merge | bios |
| m20.bin | 8192 | 5c93d931 | d51025e087a94c55529d7ee8fd18ff4c46d93230 | maincpu | 0 | good | no | | m20 |
| m20-20d.bin | 8192 | cbe265a6 | c7cb9d9900b7b5014fcf1ceb2e45a66a91c564d0 | maincpu | 0 | good | no | | m20-20d |
| m20-20f.bin | 8192 | db7198d8 | 149d8513867081d31c73c2965dabb36d5f308041 | maincpu | 0 | good | no | | m20-20f |
|
biosset
| name | description | default |
| m20 | M20 1.0 | no |
| m20-20d | M20 2.0d | no |
| m20-20f | M20 2.0f | no |
|
chip
| type | tag | name | clock |
| cpu | maincpu | Zilog Z8001 | 4000000 |
| cpu | apb:8086 | Intel 8086 | 8000000 |
| audio | fd1797:0:5dd:flopsndout | Speaker | |
| audio | fd1797:0:5dd:floppysound | Floppy sound | 44100 |
| audio | fd1797:1:5dd:flopsndout | Speaker | |
| audio | fd1797:1:5dd:floppysound | Floppy sound | 44100 |
|
control
| type | player | buttons | ways | reverse | minimum | maximum | sensitivity | keydelta | ways2 | ways3 | reqbuttons |
| keyboard | | 72 | | no | | | | | | | |
|
device
| type | tag | interface | fixed_image | mandatory |
| floppydisk | fd1797:0:5dd | floppy_5_25 | | |
| floppydisk | fd1797:1:5dd | floppy_5_25 | | |
|
device_ref
| name |
| z8001 |
| ram |
| screen |
| palette |
| fd1797 |
| floppy_connector |
| floppy_525_dd |
| speaker |
| flopsnd |
| floppy_connector |
| floppy_525_dd |
| speaker |
| flopsnd |
| mc6845 |
| i8255 |
| i8251 |
| i8251 |
| pit8253 |
| pit_counter |
| pit_counter |
| pit_counter |
| pic8259 |
| rs232 |
| m20_kbd |
| rs232 |
| m20_8086 |
| i8086 |
| software_list |
|
display
| tag | type | rotate | width | height | refresh | pixclock | htotal | hbend | hbstart | vtotal | vbend | vbstart | flipx |
| screen | raster | 0 | 512 | 256 | 60.000000 | | | | | | | | no |
|
driver
| status | emulation | savestate | requiresartwork | unofficial | nosoundhardware | incomplete | cocktail |
| preliminary | preliminary | unsupported | no | no | no | no | |
|
feature
| type | status | overall |
| sound | unemulated | |
|
input
| players | coins | service | tilt |
| 1 | | no | no |
|
port
| tag |
| :kbd:m20:LINE0 |
| :kbd:m20:LINE1 |
| :kbd:m20:LINE2 |
| :kbd:m20:LINE3 |
| :kbd:m20:LINE4 |
| :kbd:m20:LINE5 |
| :kbd:m20:LINE6 |
| :kbd:m20:LINE7 |
| :kbd:m20:LINE8 |
| :kbd:m20:MODIFIERS |
|
ramoption
| name | ramoptionValue | default |
| 128K | 131072 | |
| 192K | 196608 | |
| 224K | 229376 | |
| 256K | 262144 | |
| 384K | 393216 | |
| 512K | 524288 | |
| 160K | 163840 | yes |
|
slot
| name |
| fd1797:0 |
| fd1797:1 |
| kbd |
| rs232 |
|
softwarelist
| tag | name | status | filter |
| flop_list | m20 | original | |
|
sound
|