| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | romof | cloneof | MachineGenreId |
| stepone | matsushita/myb3k.cpp | | no | no | no | yes | Step/One | 1984 | Ericsson | myb3k | myb3k | Computer / Business - Terminal |
|
rom
| name | size | crc | sha1 | region | offset | status | optional | merge | bios |
| steponechrg-v2.07.bin | 8192 | 8284a391 | 7203c5e9d83be37c1c195946fbee5c53b1bce391 | ipl | c000 | good | no | | |
| steponebios-v2.07.bin | 8192 | 322c1618 | a7a3cc2af7cc9556007d98014714ba656f6e79d1 | ipl | e000 | good | no | | |
|
chip
| type | tag | name | clock |
| cpu | maincpu | Intel 8088 | 4772727 |
| cpu | dma | Intel 8257 DMA Controller | 2386363 |
| audio | isa1:myb3k_fdc4711:fdc:0:525qd:flopsndout | Speaker | |
| audio | isa1:myb3k_fdc4711:fdc:0:525qd:floppysound | Floppy sound | 44100 |
| audio | isa1:myb3k_fdc4711:fdc:1:525qd:flopsndout | Speaker | |
| audio | isa1:myb3k_fdc4711:fdc:1:525qd:floppysound | Floppy sound | 44100 |
| audio | isa1:myb3k_fdc4711:fdc:2:525qd:flopsndout | Speaker | |
| audio | isa1:myb3k_fdc4711:fdc:2:525qd:floppysound | Floppy sound | 44100 |
| audio | isa1:myb3k_fdc4711:fdc:3:525qd:flopsndout | Speaker | |
| audio | isa1:myb3k_fdc4711:fdc:3:525qd:floppysound | Floppy sound | 44100 |
| audio | mono | Speaker | |
| audio | speaker | Filtered DAC | |
|
configuration
| name | tag | mask |
| IRQ5 source | J4 | 3 |
| IRQ7 source | J5 | 12 |
| Monitor | MONITOR | 1 |
|
control
| type | player | buttons | ways | reverse | minimum | maximum | sensitivity | keydelta | ways2 | ways3 | reqbuttons |
| keyboard | | 92 | | no | | | | | | | |
|
device
| type | tag | interface | fixed_image | mandatory |
| floppydisk | isa1:myb3k_fdc4711:fdc:0:525qd | floppy_5_25 | | |
| floppydisk | isa1:myb3k_fdc4711:fdc:1:525qd | floppy_5_25 | | |
| floppydisk | isa1:myb3k_fdc4711:fdc:2:525qd | floppy_5_25 | | |
| floppydisk | isa1:myb3k_fdc4711:fdc:3:525qd | floppy_5_25 | | |
| printout | centronics:printer:printer | | | |
|
device_ref
| name |
| i8088 |
| ram |
| pic8259 |
| i8255 |
| i8257 |
| pit8253 |
| pit_counter |
| pit_counter |
| pit_counter |
| hd6845s |
| isa8 |
| isa8_slot |
| isa8_myb3k_fdc4711 |
| fd1791 |
| floppy_connector |
| floppy_525_qd |
| speaker |
| flopsnd |
| floppy_connector |
| floppy_525_qd |
| speaker |
| flopsnd |
| floppy_connector |
| floppy_525_qd |
| speaker |
| flopsnd |
| floppy_connector |
| floppy_525_qd |
| speaker |
| flopsnd |
| isa8_slot |
| isa8_myb3k_com |
| i8251 |
| rs232 |
| pit8253 |
| pit_counter |
| pit_counter |
| pit_counter |
| isa8_slot |
| centronics |
| centronics_printer |
| printer_image |
| output_latch |
| speaker |
| speaker_sound_device |
| stepone_keyboard |
| screen |
| software_list |
|
dipswitch
| name | tag | mask |
| Unused | DSW1 | 1 |
| Unused | DSW1 | 2 |
| Display Mode | DSW1 | 12 |
| Expansion Unit | DSW1 | 16 |
| Flexible Disk Drive for boot | DSW1 | 96 |
| Flexible Disk Drive type for boot | DSW1 | 128 |
| Check mode | DSW2 | 1 |
| Unused | DSW2 | 2 |
| Unused | DSW2 | 4 |
| Unused | DSW2 | 8 |
| Always off | DSW2 | 16 |
| Number of disk drive(s) | DSW2 | 32 |
| Initial setting of basic RS-232C Adapter | DSW2 | 192 |
| I/O Base address | isa2:myb3k_com:DPSW1 | 2044 |
| USART ISA IRQ | isa2:myb3k_com:DPSW2 | 15 |
|
display
| tag | type | rotate | width | height | refresh | pixclock | htotal | hbend | hbstart | vtotal | vbend | vbstart | flipx |
| screen | raster | 0 | 600 | 400 | 19.886363 | 4772727 | 600 | 0 | 600 | 400 | 0 | 400 | no |
|
driver
| status | emulation | savestate | requiresartwork | unofficial | nosoundhardware | incomplete | cocktail |
| good | good | unsupported | no | no | no | no | |
|
input
| players | coins | service | tilt |
| 1 | | no | no |
|
port
| tag |
| :DSW1 |
| :DSW2 |
| :J4 |
| :J5 |
| :MONITOR |
| :isa2:myb3k_com:DPSW1 |
| :isa2:myb3k_com:DPSW2 |
| :myb3k_keyboard:MYB3K_T0 |
| :myb3k_keyboard:MYB3K_T1 |
| :myb3k_keyboard:MYB3K_T2 |
| :myb3k_keyboard:MYB3K_T3 |
| :myb3k_keyboard:MYB3K_T4 |
| :myb3k_keyboard:MYB3K_T5 |
| :myb3k_keyboard:MYB3K_T6 |
| :myb3k_keyboard:MYB3K_T7 |
| :myb3k_keyboard:MYB3K_T8 |
| :myb3k_keyboard:MYB3K_T9 |
| :myb3k_keyboard:MYB3K_TA |
| :myb3k_keyboard:MYB3K_TB |
|
ramoption
| name | ramoptionValue | default |
| 128K | 131072 | |
| 256K | 262144 | yes |
|
slot
| name |
| isa1 |
| isa1:myb3k_fdc4711:fdc:0 |
| isa1:myb3k_fdc4711:fdc:1 |
| isa1:myb3k_fdc4711:fdc:2 |
| isa1:myb3k_fdc4711:fdc:3 |
| isa2 |
| isa2:myb3k_com:com1 |
| isa3 |
| centronics |
|
softwarelist
|
sound
|