| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | cloneof | romof | MachineGenreId |
| bitgrpha | skeleton/bitgraph.cpp | | no | no | no | yes | BitGraph rev A | 1981 | BBN | | | Computer / Business - Terminal |
|
rom
| name | size | crc | sha1 | region | offset | status | optional | merge | bios |
| bg125.rom | 32768 | b86c974e | 5367db80a856444c2a55de22b69a13f97a62f602 | maincpu | 0 | good | no | | |
|
chip
| type | tag | name | clock |
| cpu | maincpu | Motorola MC68000 | 6900000 |
| cpu | keyboard:l2207:mcu | Intel 8035 | 3579545 |
| audio | keyboard:l2207:mono | Speaker | |
| audio | keyboard:l2207:beeper | Filtered DAC | |
| audio | mono | Speaker | |
| audio | psg | AY-3-8912A PSG | 1294400 |
|
configuration
| name | tag | mask |
| Flow Control | rs232host:null_modem:FLOW_CONTROL | 7 |
| Data Bits | rs232host:null_modem:RS232_DATABITS | 255 |
| Parity | rs232host:null_modem:RS232_PARITY | 255 |
| RX Baud | rs232host:null_modem:RS232_RXBAUD | 255 |
| Stop Bits | rs232host:null_modem:RS232_STOPBITS | 255 |
| TX Baud | rs232host:null_modem:RS232_TXBAUD | 255 |
|
control
| type | player | buttons | ways | reverse | minimum | maximum | sensitivity | keydelta | ways2 | ways3 | reqbuttons |
| keyboard | | 83 | | no | | | | | | | |
|
device
| type | tag | interface | fixed_image | mandatory |
| bitbanger | rs232host:null_modem:stream | | | |
|
device_ref
| name |
| m68000 |
| screen |
| palette |
| acia6850 |
| rs232 |
| null_modem |
| bitbanger |
| acia6850 |
| keytronic_connector |
| keytronic_l2207 |
| i8035 |
| speaker |
| speaker_sound_device |
| acia6850 |
| rs232 |
| com8116 |
| com8116 |
| pia6821 |
| er2055 |
| speaker |
| ay8912 |
| clock |
| acia6850 |
| rs232 |
| ram |
|
display
| tag | type | rotate | width | height | refresh | pixclock | htotal | hbend | hbstart | vtotal | vbend | vbstart | flipx |
| screen | raster | 90 | 1024 | 768 | 40.000000 | | | | | | | | no |
|
driver
| status | emulation | savestate | requiresartwork | unofficial | nosoundhardware | incomplete | cocktail |
| imperfect | good | unsupported | no | no | no | no | |
|
feature
| type | status | overall |
| sound | | imperfect |
|
input
| players | coins | service | tilt |
| 1 | | no | no |
|
port
| tag |
| :keyboard:l2207:KEYS0 |
| :keyboard:l2207:KEYS1 |
| :keyboard:l2207:KEYS10 |
| :keyboard:l2207:KEYS11 |
| :keyboard:l2207:KEYS2 |
| :keyboard:l2207:KEYS3 |
| :keyboard:l2207:KEYS4 |
| :keyboard:l2207:KEYS5 |
| :keyboard:l2207:KEYS6 |
| :keyboard:l2207:KEYS7 |
| :keyboard:l2207:KEYS8 |
| :keyboard:l2207:KEYS9 |
| :rs232host:null_modem:FLOW_CONTROL |
| :rs232host:null_modem:RS232_DATABITS |
| :rs232host:null_modem:RS232_PARITY |
| :rs232host:null_modem:RS232_RXBAUD |
| :rs232host:null_modem:RS232_STOPBITS |
| :rs232host:null_modem:RS232_TXBAUD |
|
ramoption
| name | ramoptionValue | default |
| 128K | 131072 | yes |
|
slot
| name |
| rs232host |
| keyboard |
| rs232debug |
| rs232mouse |
|
sound
|