| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | romof | cloneof | MachineGenreId |
| md3 | morrow/microdec.cpp | | no | no | no | yes | Micro Decision MD-3 | 1982 | Morrow Designs | md2 | md2 | Computer / Business - Terminal |
|
rom
| name | size | crc | sha1 | region | offset | status | optional | merge | bios |
| md3-23a.bin | 4096 | 95d59980 | ae65a8e8e2823cf4cf6b1d74c0996248e290e9f1 | maincpu | 0 | good | no | | v23a |
| md3-25.bin | 4096 | 14f86bc5 | 82fe022c85f678744bb0340ca3f88b18901fdfcb | maincpu | 0 | good | no | | v25 |
| md3-31.bin | 4096 | bd4014f6 | 5b33220af34c64676756177db4915f97840b2996 | maincpu | 0 | good | no | | v31 |
|
biosset
| name | description | default |
| v23a | v2.3a | no |
| v25 | v2.5 | no |
| v31 | v3.1 | no |
|
chip
| type | tag | name | clock |
| cpu | maincpu | Zilog Z80 | 4000000 |
| audio | rs232a:terminal:bell | Speaker | |
| audio | rs232a:terminal:beeper | Beep | 2000 |
| audio | fdc:0:525hd:flopsndout | Speaker | |
| audio | fdc:0:525hd:floppysound | Floppy sound | 44100 |
|
configuration
| name | tag | mask |
| Data Bits | rs232a:terminal:RS232_DATABITS | 255 |
| Parity | rs232a:terminal:RS232_PARITY | 255 |
| RX Baud | rs232a:terminal:RS232_RXBAUD | 255 |
| Stop Bits | rs232a:terminal:RS232_STOPBITS | 255 |
| TX Baud | rs232a:terminal:RS232_TXBAUD | 255 |
| Cursor | rs232a:terminal:TERM_CONF | 1 |
| Type | rs232a:terminal:TERM_CONF | 2 |
| Blinking | rs232a:terminal:TERM_CONF | 4 |
| Invert | rs232a:terminal:TERM_CONF | 8 |
| Color | rs232a:terminal:TERM_CONF | 48 |
| Auto CR on LF | rs232a:terminal:TERM_CONF | 64 |
| Auto LF on CR | rs232a:terminal:TERM_CONF | 128 |
| Local echo | rs232a:terminal:TERM_CONF | 256 |
| Layout | rs232a:terminal:keyboard:GENKBD_CFG | 1 |
| Typematic Delay | rs232a:terminal:keyboard:GENKBD_CFG | 6 |
| Typematic Rate | rs232a:terminal:keyboard:GENKBD_CFG | 248 |
|
control
| type | player | buttons | ways | reverse | minimum | maximum | sensitivity | keydelta | ways2 | ways3 | reqbuttons |
| keyboard | | 73 | | no | | | | | | | |
|
device
| type | tag | interface | fixed_image | mandatory |
| floppydisk | fdc:0:525hd | floppy_5_25 | | |
|
device_ref
| name |
| z80 |
| clock |
| i8251 |
| rs232 |
| serial_terminal |
| screen |
| generic_keyboard |
| speaker |
| beep |
| i8251 |
| rs232 |
| upd765a |
| floppy_connector |
| floppy_525_hd |
| speaker |
| flopsnd |
| software_list |
|
dipswitch
| name | tag | mask |
| Diagnostics | DIAG | 32 |
|
display
| tag | type | rotate | width | height | refresh | pixclock | htotal | hbend | hbstart | vtotal | vbend | vbstart | flipx |
| rs232a:terminal:terminal_screen | raster | 0 | 640 | 240 | 50.000000 | | | | | | | | no |
|
driver
| status | emulation | savestate | requiresartwork | unofficial | nosoundhardware | incomplete | cocktail |
| preliminary | preliminary | supported | no | no | yes | no | |
|
input
| players | coins | service | tilt |
| 1 | | no | no |
|
port
| tag |
| :DIAG |
| :rs232a:terminal:RS232_DATABITS |
| :rs232a:terminal:RS232_PARITY |
| :rs232a:terminal:RS232_RXBAUD |
| :rs232a:terminal:RS232_STOPBITS |
| :rs232a:terminal:RS232_TXBAUD |
| :rs232a:terminal:TERM_CONF |
| :rs232a:terminal:keyboard:GENKBD_CFG |
| :rs232a:terminal:keyboard:GENKBD_MOD |
| :rs232a:terminal:keyboard:GENKBD_ROW0 |
| :rs232a:terminal:keyboard:GENKBD_ROW1 |
| :rs232a:terminal:keyboard:GENKBD_ROW2 |
| :rs232a:terminal:keyboard:GENKBD_ROW3 |
|
slot
|
softwarelist
| tag | name | status | filter |
| flop_list | md2_flop | original | |
|
sound
|