| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | romof | cloneof | MachineGenreId |
| dgnalpha | trs/dgnalpha.cpp | | no | no | no | yes | Dragon Professional (Alpha) | 1984 | Dragon Data Ltd | dragon32 | dragon32 | Computer / Home System |
|
rom
| name | size | crc | sha1 | region | offset | status | optional | merge | bios |
| alpha_bt_10.rom | 8192 | c3dab585 | 4a5851aa66eb426e9bb0bba196f1e02d48156068 | maincpu | 2000 | good | no | | boot10 |
| alpha_bt_04.rom | 8192 | d6172b56 | 69ea376dbc7418f69e9e809b448d22a4de012344 | maincpu | 2000 | good | no | | boot04 |
| alpha_ba.rom | 16384 | 84f68bf9 | 1983b4fb398e3dd9668d424c666c5a0b3f1e2b69 | maincpu | 8000 | good | no | | |
|
biosset
| name | description | default |
| boot10 | Boot v1.0 | yes |
| boot04 | Boot v0.4 | no |
|
chip
| type | tag | name | clock |
| cpu | maincpu | Motorola MC6809E | 888625 |
| audio | cassette | Cassette | |
| audio | speaker | Speaker | |
| audio | dac | 6-Bit Binary Weighted DAC | |
| audio | sbs | 1-Bit DAC | |
| audio | wd2797:0:dd:flopsndout | Speaker | |
| audio | wd2797:0:dd:floppysound | Floppy sound | 44100 |
| audio | wd2797:1:dd:flopsndout | Speaker | |
| audio | wd2797:1:dd:floppysound | Floppy sound | 44100 |
| audio | ay8912 | AY-3-8912A PSG | 1000000 |
|
configuration
| name | tag | mask |
| Right Controller Port (P1) | ctrl_sel | 15 |
| Left Controller Port (P2) | ctrl_sel | 240 |
| Hi-Res Joystick Interfaces | hires_intf | 7 |
| Artifacting | vdg:artifacting | 3 |
|
control
| type | player | buttons | ways | reverse | minimum | maximum | sensitivity | keydelta | ways2 | ways3 | reqbuttons |
| stick | 1 | 1 | | no | 0 | 1023 | 100 | 10 | | | |
| keyboard | 1 | 52 | | no | | | | | | | |
| stick | 2 | 1 | | no | 0 | 1023 | 100 | 10 | | | |
|
device
| type | tag | interface | fixed_image | mandatory |
| cassette | cassette | dragon_cass | | |
| printout | printer | | | |
| cartridge | ext | coco_cart | | |
| floppydisk | wd2797:0:dd | floppy_3_5 | | |
| floppydisk | wd2797:1:dd | floppy_3_5 | | |
|
device_ref
| name |
| mc6809e |
| ipt_merge_any_hi |
| ipt_merge_any_hi |
| pia6821 |
| pia6821 |
| sam6883 |
| cassette_image |
| printer_image |
| screen |
| mc6847_pal |
| speaker |
| dac_6bit_bw |
| dac |
| address_map_bank |
| software_list |
| software_list |
| software_list |
| software_list |
| ram |
| ipt_merge_any_hi |
| cococart_slot |
| mos6551 |
| clock |
| wd2797 |
| floppy_connector |
| floppy_35_dd |
| speaker |
| flopsnd |
| floppy_connector |
| floppy_35_dd |
| speaker |
| flopsnd |
| floppy_connector |
| floppy_connector |
| ay8912 |
| pia6821 |
| software_list |
| software_list |
| software_list |
|
display
| tag | type | rotate | width | height | refresh | pixclock | htotal | hbend | hbstart | vtotal | vbend | vbstart | flipx |
| screen | raster | 0 | 372 | 293 | 49.967668 | 7109000 | 456 | 0 | 372 | 312 | 0 | 293 | no |
|
driver
| status | emulation | savestate | requiresartwork | unofficial | nosoundhardware | incomplete | cocktail |
| good | good | unsupported | no | no | no | no | |
|
input
| players | coins | service | tilt |
| 2 | | no | no |
|
port
| tag |
| :ctrl_sel |
| :hires_intf |
| :joystick_buttons |
| :joystick_lx |
| :joystick_ly |
| :joystick_rx |
| :joystick_ry |
| :row0 |
| :row1 |
| :row2 |
| :row3 |
| :row4 |
| :row5 |
| :row6 |
| :vdg:artifacting |
|
ramoption
| name | ramoptionValue | default |
| 64K | 65536 | yes |
|
slot
| name |
| ext |
| wd2797:0 |
| wd2797:1 |
| wd2797:2 |
| wd2797:3 |
|
softwarelist
|
sound
|