NEC PC-9801-86

MAME: 0.278 - Released: 2025-06-28T23:16:39 - Machines: 48574 - rom: 362783 - disk: 1374 - Lists: 721 - Software: 139730 - rom: 236715 - disk: 11374

machine AO ? name sourcefile sampleof isbios isdevice ismechanical runnable description year manufacturer cloneof romof MachineGenreId pc9801_86 devices/bus/cbus/pc9801_86.cpp   no yes no no NEC PC-9801-86         System / Device

rom name size crc sha1 region offset status optional merge bios sound_rx.rom 16384 fe9f57f2 d5dbc4fea3b8367024d363f5351baecd6adcd8ef sound_bios 0 baddump no   86rx sound_486mu.rom 16384 6cdfa793 4b8250f9b9db66548b79f961d61010558d6d6e1c sound_bios 0 baddump no   86mu

biosset name description default 86rx nec86rx no 86mu epson86mu no

chip type tag name clock audio :speaker Speaker   audio :opna YM2608 OPNA 7987000 audio :ldac 16-Bit R-2R Twos Complement DAC   audio :rdac 16-Bit R-2R Twos Complement DAC

device_ref name ipt_merge_any_hi speaker ym2608 dac_16bit_r2r_tc dac_16bit_r2r_tc msx_general_purpose_port

dipswitch name tag mask PC-9801-86: Port Base :OPNA_DSW 1 PC-9801-86: Enable sound ROM :OPNA_DSW 2 PC-9801-86: Interrupt level :OPNA_DSW 12 PC-9801-86: Interrupt enable :OPNA_DSW 16 PC-9801-86: ID number :OPNA_DSW 224

feature type status overall sound imperfect   microphone unemulated

slot name :joy_port

sound channels 1

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