| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | romof | cloneof | MachineGenreId |
| megatech | sega/megatech.cpp | | yes | no | no | yes | Mega-Tech | 1989 | Sega | | | System / BIOS |
|
rom
| name | size | crc | sha1 | region | offset | status | optional | merge | bios |
| epr-12664.20 | 32768 | f71e9526 | 1c7887541d02c41426992d17f8e3db9e03975953 | mtbios | 0 | good | no | | ver1 |
| epr-12263a.20 | 32768 | 07c3f423 | 50c28bbc2d4349c820d988ae3f20aae3f808545f | mtbios | 0 | good | no | | ver0a |
| epr-12263b.20 | 32768 | ca26c87a | 987a18bede6e54cd73c4434426eb6c302a37cdc5 | mtbios | 0 | good | no | | ver0b |
| epr-12604a.20 | 32768 | 884e4aa5 | c9008c431a937c084fb475273093ca0b434b5f47 | mtbios | 0 | good | no | | ver0aa |
|
biosset
| name | description | default |
| ver1 | Ver 1 | no |
| ver0a | Ver 0 Rev A | no |
| ver0b | Ver 0 Rev B | no |
| ver0aa | Ver 0 Rev B (alt?) | no |
|
chip
| type | tag | name | clock |
| cpu | maincpu | Motorola MC68000 | 7670453 |
| cpu | genesis_snd_z80 | Zilog Z80 | 3579545 |
| cpu | mtbios | Zilog Z80 | 3579540 |
| audio | gen_vdp | Sega 315-5313 Megadrive VDP | 53693175 |
| audio | gen_vdp:snsnd | Sega VDP PSG | 3579545 |
| audio | lspeaker | Speaker | |
| audio | rspeaker | Speaker | |
| audio | ymsnd | YM2612 OPN2 | 7670453 |
| audio | vdp1 | Sega 315-5246 SMS2 VDP | 10738620 |
| audio | vdp1:snsnd | Sega VDP PSG | 3579540 |
|
control
| type | player | buttons | ways | reverse | minimum | maximum | sensitivity | keydelta | ways2 | ways3 | reqbuttons |
| joy | 1 | 3 | 8 | no | | | | | | | |
| joy | 2 | 3 | 8 | no | | | | | | | |
|
device
| type | tag | interface | fixed_image | mandatory |
| cartridge | mt_slot1 | megatech_cart | | |
| cartridge | mt_slot2 | megatech_cart | | |
| cartridge | mt_slot3 | megatech_cart | | |
| cartridge | mt_slot4 | megatech_cart | | |
| cartridge | mt_slot5 | megatech_cart | | |
| cartridge | mt_slot6 | megatech_cart | | |
| cartridge | mt_slot7 | megatech_cart | | |
| cartridge | mt_slot8 | megatech_cart | | |
|
device_ref
| name |
| m68000 |
| timer |
| sega315_5313 |
| palette |
| segapsg |
| palette |
| palette |
| palette |
| screen |
| z80 |
| ipt_merge_any_hi |
| megadrive_io_port |
| megadrive_io_port |
| megadrive_io_port |
| speaker |
| speaker |
| ym2612 |
| z80 |
| cxd1095 |
| cxd1095 |
| screen |
| sega315_5246 |
| palette |
| segapsg |
| generic_cartslot |
| generic_cartslot |
| generic_cartslot |
| generic_cartslot |
| generic_cartslot |
| generic_cartslot |
| generic_cartslot |
| generic_cartslot |
| software_list |
|
dipswitch
| name | tag | mask |
| Coin slot 4 | BIOS_DSW0 | 1 |
| Coin slot 3 | BIOS_DSW0 | 2 |
| Coin slot 3/4 value | BIOS_DSW0 | 28 |
| Coin slot 2 value | BIOS_DSW0 | 224 |
| Coin Slot 1 value | BIOS_DSW1 | 15 |
| Time per credit | BIOS_DSW1 | 240 |
| Unknown | BIOS_IN0 | 2 |
| Unknown | BIOS_IN0 | 4 |
| Unknown | BIOS_IN0 | 8 |
| Unknown | BIOS_IN0 | 16 |
| Unknown | BIOS_IN0 | 32 |
| Unknown | BIOS_IN0 | 64 |
| 5 | BIOS_J1 | 1 |
| Unknown | BIOS_J1 | 2 |
| Unknown | BIOS_J1 | 4 |
| Unknown | BIOS_J1 | 8 |
| Unknown | BIOS_J1 | 16 |
| Unknown | BIOS_J1 | 32 |
| Unknown | BIOS_J1 | 64 |
| Unknown | BIOS_J1 | 128 |
|
display
| tag | type | rotate | width | height | refresh | pixclock | htotal | hbend | hbstart | vtotal | vbend | vbstart | flipx |
| megadriv | raster | 0 | 256 | 224 | 59.922738 | | | | | | | | no |
| menu | raster | 0 | 256 | 224 | 59.922738 | 5369317 | 342 | 63 | 319 | 262 | 27 | 251 | no |
|
driver
| status | emulation | savestate | requiresartwork | unofficial | nosoundhardware | incomplete | cocktail |
| good | good | unsupported | no | no | no | no | |
|
input
| players | coins | service | tilt |
| 2 | 4 | yes | no |
|
port
| tag |
| :BIOS_DSW0 |
| :BIOS_DSW1 |
| :BIOS_IN0 |
| :BIOS_IN1 |
| :BIOS_J1 |
| :PAD1 |
| :PAD2 |
| :RESET |
|
slot
| name |
| mt_slot1 |
| mt_slot2 |
| mt_slot3 |
| mt_slot4 |
| mt_slot5 |
| mt_slot6 |
| mt_slot7 |
| mt_slot8 |
|
softwarelist
| tag | name | status | filter |
| cart_list | megatech | original | |
|
sound
|