| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | romof | cloneof | MachineGenreId |
| dgnbeta | trs/dgn_beta.cpp | | no | no | no | yes | Dragon 128 (Beta) | 1984 | Dragon Data Ltd | | | Computer / Home System |
|
rom
| name | size | crc | sha1 | region | offset | status | optional | merge | bios |
| beta_bt.rom | 16384 | 4c54c1de | 141d9fcd2d187c305dff83fce2902a30072aed76 | maincpu | 0 | good | no | | bootrom |
| beta_tst.rom | 8192 | 01d79d00 | 343e08cf7656b5e8970514868df37ea0af1e2362 | maincpu | 2000 | good | no | | testrom |
| beta_cfi.rom | 8192 | d312e4c0 | 5c00daac488eaf8d36d66de6ec6c746ab7b78ecf | maincpu | 2000 | good | no | | cfiles |
| beta_dfi.rom | 8192 | c4ad7f64 | 50aa92a1c383321485d5a1aa41dfe4f90b3beaed | maincpu | 2000 | good | no | | dfiles |
| betachar.rom | 8192 | ca79d66c | 8e2090d471dd97a53785a7f44a49d3c8c85b41f2 | gfx1 | 0 | good | no | | |
|
biosset
| name | description | default |
| bootrom | Dragon Beta OS-9 Boot ROM (15.6.84) | no |
| testrom | Dragon Beta Test ROM (1984?) | no |
| cfiles | cfiles rom | no |
| dfiles | dfiles rom | no |
|
chip
| type | tag | name | clock |
| cpu | maincpu | Motorola MC6809E | 2000000 |
| cpu | dmacpu | Motorola MC6809E | 2000000 |
| 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 |
|
control
| type | player | buttons | ways | reverse | minimum | maximum | sensitivity | keydelta | ways2 | ways3 | reqbuttons |
| keyboard | | 70 | | no | | | | | | | |
|
device
| type | tag | interface | fixed_image | mandatory |
| floppydisk | wd2797:0:dd | floppy_3_5 | | |
| floppydisk | wd2797:1:dd | floppy_3_5 | | |
|
device_ref
| name |
| mc6809e |
| mc6809e |
| screen |
| gfxdecode |
| palette |
| pia6821 |
| pia6821 |
| pia6821 |
| wd2797 |
| floppy_connector |
| floppy_35_dd |
| speaker |
| flopsnd |
| floppy_connector |
| floppy_35_dd |
| speaker |
| flopsnd |
| floppy_connector |
| floppy_connector |
| hd6845s |
| ram |
| software_list |
|
display
| tag | type | rotate | width | height | refresh | pixclock | htotal | hbend | hbstart | vtotal | vbend | vbstart | flipx |
| screen | raster | 0 | 700 | 550 | 50.000000 | | | | | | | | 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 |
| :KEY0 |
| :KEY1 |
| :KEY2 |
| :KEY3 |
| :KEY4 |
| :KEY5 |
| :KEY6 |
| :KEY7 |
| :KEY8 |
| :KEY9 |
|
ramoption
| name | ramoptionValue | default |
| 128K | 131072 | |
| 384K | 393216 | |
| 512K | 524288 | |
| 640K | 655360 | |
| 768K | 786432 | |
| 256K | 262144 | yes |
|
slot
| name |
| wd2797:0 |
| wd2797:1 |
| wd2797:2 |
| wd2797:3 |
|
softwarelist
|
sound
|