unknown VT02 based 25-in-1 handheld

MAME: 0.274 - Released: 2025-01-29T18:38:09 - Machines: 47853 - rom: 358079 - disk: 1360 - Lists: 719 - Software: 138973 - rom: 235320 - disk: 11309

machine AO ? name sourcefile sampleof isbios isdevice ismechanical runnable description year manufacturer romof cloneof MachineGenreId vt25in1 nintendo/nes_vt02_vt03.cpp   no no no yes unknown VT02 based 25-in-1 handheld 2004 <unknown>     Handheld / Home Videogame Console

rom name size crc sha1 region offset status optional merge bios 25in1.bin 1048576 1038b5ec e7d1ccafe0edcfa44c11412d2aa771f4ba96b5b8 mainrom 0 good no

chip type tag name clock cpu soc:maincpu Ricoh RP2A03 core 1789772 audio soc:mono Speaker   audio soc:apu XOP APU 1789772

control type player buttons ways reverse minimum maximum sensitivity keydelta ways2 ways3 reqbuttons joy 1 2 8 no               joy 2 2 8 no

device_ref name nes_vt02_vt03_soc rp2a03_core screen ppu_vt03 speaker nes_apu_vt

display tag type rotate width height refresh pixclock htotal hbend hbstart vtotal vbend vbstart flipx soc:screen raster 0 256 240 60.098800               no

driver status emulation savestate requiresartwork unofficial nosoundhardware incomplete cocktail imperfect good unsupported no no no no

feature type status overall graphics imperfect   sound imperfect

input players coins service tilt 2   no no

port tag :IO0 :IO1

sound channels 1

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