| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | romof | cloneof | MachineGenreId |
| m40 | olivetti/m20.cpp | | no | no | no | yes | Olivetti L1 M40 | 1981 | Olivetti | m20 | m20 | Computer / Business - Terminal |
|
rom
| name | size | crc | sha1 | region | offset | status | optional | merge | bios |
| m40rom-15-dec-81 | 8192 | e8e7df84 | e86018043bf5a23ff63434f9beef7ce2972d8153 | maincpu | 0 | good | no | | m40-81 |
| m40rom-17-dec-82 | 8192 | cf55681c | fe4ae14a6751fef5d7bde49439286f1da3689437 | maincpu | 0 | good | no | | m40-82 |
| m40rom-4.1 | 8192 | cf55681c | fe4ae14a6751fef5d7bde49439286f1da3689437 | maincpu | 0 | good | no | | m40-41 |
| m40rom-6.0 | 16384 | 8114ebec | 4e2c65b95718c77a87dbee0288f323bd1c8837a3 | maincpu | 0 | good | no | | m40-60 |
|
biosset
| name | description | default |
| m40-81 | M40 15.dec.81 | no |
| m40-82 | M40 17.dec.82 | no |
| m40-41 | M40 4.1 | no |
| m40-60 | M40 6.0 | 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
|