GNS - JoakimLarsson/mame GitHub Wiki

This page is designed to allow for a quick look over all the drivers with a GAME_NO_SOUND or GAME_IMPERFECT_SOUND flag by giving, as much as possible, an idea on the amount of effort needed to fix them.

Skeleton driver for a CD Juke Box.

Preliminary sound support only.

Driver moved from MESS to MAME, since there were arcade games based on the 3DO. Emulation is stil preliminary.

Skeleton driver.

Unknown writes and reads.

indianbt and clone - Only part of the discrete sound emulation is completed.

astropal, attackfc, ballbomb, claybust, cosmo, darthvdr, desterth, galactic, grescue, gunchamp, intruder, invadpt2 and clone, invmulti and clones, invrvnge and clones, lrescue, lrescuem, lupin3, lupin3a, moonbase, moonbasea, rollingc, schaserc, schasercv, sflush, shuttlei, sicv, sisv, sisv1, sisv2, sisv3, skylove, spacecom, spacmiss, spcewars, spacewr3, spacerng, steelwkr, vortex, yosakdon, yosakdona - Need discrete sound emulation.

Needs discrete sound emulation.

Sound emulation is completely lacking.

aerfboot, aerfboo2, pspikesc, spikes91, spikes91b - Bootlegs with slightly different sound hardware.

11beat, mayjin3 - The sound in these games is probably working as in the other games in the driver, but these games are not working for the time being.

Missing laserdisc sound.

Skeleton driver (SH4 based system).

Not all sound devices have been hooked up yet.

Skeleton driver. Sound hardware hook up can't be verified.

Skeleton driver. System is SH4 based.

hexa - Keeps writing 0x3f to register 0x07 of the AY8910, to read the input ports. This causes clicks in the music since the output channels are continuously disabled and reenabled.

Needs discrete sound hardware emulation.

demndrgn - Audio board isn't emulated yet.

gorf, gorfpgm1, gorfpgm2, wow, wowg - Need Votrax SC-01 speech synthesizer emulation.

seawolf2 - Needs discrete sound hardware emulation.

Needs discrete sound hardware emulation.

Sound hook up is preliminary.

Sounds to be verified against a real machine; noise generator sounds like a loud barrrr instead of noise, fortunately it doesn't seem to be used.

Preliminary driver. ADSP-2181 based DCS2 audio.

Skeleton driver.

catchp - Needs discrete sound hardware emulation.

There seems to be a bug with a stuck note from the YM2203 FM channel at the start of scene 3 and near the ending when your characters are flying over a forest in a helicopter.

bbusters, bbustersu - Sound hardware isn't 100% correctly hooked up yet.

Needs discrete sound hardware emulation.

Sound isn't correctly hooked up (DAC/Custom + 6840 Timer).

Mostly mechanical fruit machines.

quintond, quintono, quintoon - Sound ROM needs redumping, the one currently used is suspiciously similar to qos.

Sound hardware isn't correctly hooked up yet.

Driver is preliminary, sound hook up can't be verified.

Sound chips are driven by a PIC which has been dumped but not hooked up yet.

Needs discrete sounds emulation.

Sound is MCU-protected.

Needs noise generator emulation, along with proper mixing and volume control.

weststry - Bootleg with different sound hardware, which needs correct hook up.

Z80 - YMF271 comms aren't 100% correct yet.

Preliminary driver.

Needs discrete sound hardware emulation.

Support for the 7630's controlling the sound chip outputs (bass/treble, volume) is completely missing. The sound Z80 seems to write answers for the main Z80, but the latter doesn't seem to read them.

Sound hardware isn't hooked up yet (AY8910).

Sound hardware isn't hooked up yet (DACs for babypac, Cheep Squeek sound board for granny).

cabalbl - Bootleg with different sound hardware, which isn't correctly hooked up yet.

Needs discrete sound hardware emulation.

gaia, theroes - Sound cuts out occasionally.

Sound hardware is hooked up but game isn't working yet.

Needs discrete sound hardware emulation.

Cubo CD32 sound hardware isn't 100% correctly emulated / hooked up yet.

The CDI sound hardware isn't 100% emulated yet.

Sound doesn't play most samples.

Sound hardware emulation is incomplete.

X-BOX sound hardware isn't emulated yet.

saiyugb1 - There are sync problems between the i8049 and the m5205 which need further looking at.

007232 volume & panning control is almost certainly wrong.

Sound hardware isn't correctly hooked up yet.

altair, destryer, destryea - Missing white noise.

Needs discrete sound hardware emulation.

Discrete sound hardware is only partially emulated. Needs full emulation instead of samples.

Needs discrete sound hardware emulation.

Sound hardware isn't hooked up yet.

According to a side-by-side test, sound should be "darker" by some octaves. It's likely that a sound filter is needed.

Sound hardware isn't correctly hooked up yet.

Sound hardware isn't correctly hooked up yet.

Sound hardware hook up isn't perfect yet.

Missing emulation of the 1412M2 protection chip, used by the sound CPU. This is probably an extra CPU (program rom is the ic2 one), presumably with data / address line scrambling.

Driver is still preliminary. Sound isn't hooked up yet.

Discrete sound hardware is partially emulated.

winner81 - Sound hardware hook-up is imperfect.

Need proper sound hardware emulation instead of samples.

gigaman2 - A bootleg with a different sound system.

Discrete sound hardware emulation isn't 100% correct yet.

Namco 52xx isn't hooked up yet.

Sound board most probably has discrete circuits. The 393Hz tone used for shots (superbike) and collisions (8ball) is just a guess. Some sounds seem to be missing.

Sound is controlled by three undumped i8741 MCU. Decap or simulation needed.

Needs discrete sound hardware emulation (some preliminary work has been done).

Sound hook up isn't 100% correct (Z80 + 2 x AY-3-8910).

animaljr, animaljrs - Sound ROM needs redump.

quizchq, quizchq1 - Some samples are played at the wrong pitch.

lockload and clones - Sound hook-up is preliminary.

Preliminary buzzer sound is hooked up. Needs a more exact implementation.

Needs discrete sound hardware emulation.

Needs KS0164 sound chip emulation.

ADPCM has sound volume issues, it's either too loud or too quiet.

pestplce - Currently using dkongjr sound hardware emulation.

shootgal - Possibly missing speech PCB emulation.

spcfrcii, spclforc - Sound hardware isn't hooked up yet.

asoccer, idsoccera - Different sound rom causes bad sound, is the rom bad or is it the sound system implementation instead?

Needs discrete sound hardware emulation.

Needs discrete sound hardware emulation.

Skeleton driver for fruit machine games.

Skeleton driver for fruit machine games.

Skeleton driver for fruit machine games.

Needs discrete sound hardware emulation.

QDSP QS1000 sound chip emulation isn't complete yet (missing envelopes and volume balance at least).

Analog drums/cymbals are missing. The bassline is imperfect. This is just the square wave output of the 5232 at the moment. It should go through analog stages. Needs proper emulation of the 8155 on the sound board. Missing implementation of the low-pass filters on the DAC output. The purpose of the sound PROM is unclear. From the schematics, it seems it should influence the MSM5232 clock. However, even removing it from the board doesn't seem to affect the sound.

Sound is currently ugly in both games, recognizable but still nowhere near perfection.

Missing laserdisc sound.

panzer, phantom, phantoma, rallys, rallysa, sidetrac, spectar, spectar1, targ, targc - Need proper sound hardware emulation instead of samples.

Coin insertion sound is not emulated. Coin beep (before time out) is not emulated.

galaxygn - Sound hardware hook up isn't 100% correct yet.

dinopic2, punipic, punipic2, punipic3, slampic - Bootleg with different sound hardware.

Needs discrete sound hardware emulation.

Sound hardware hook up isn't 100% correct yet.

Sound hardware isn't correctly hooked up yet.

Timing needs verifying, but also samplerate and effects counter. What do the unknown bits in soundregs do?. Are channel effects correct? It's currently mostly guesswork, the pitch effects sound pretty convincing though.

TA7630 emulation needs filter support (bass sounds from MSM5232 should be about 2 times louder).

Needs discrete sound hardware emulation.

Sound hardware is unknown.

Sound hardware isn't hooked up yet.

Preliminary driver. PC based hardware (Cyrix GX + 3DFX).

YMF278B and YMF262 are hooked up in an awkward way (real chip has YMF262 integrated). PCM channels of music in asurabus is sometimes off-tune, check Chen-Mao's stage for example (note: srom.u7 (z80 prg) is a good dump).

Skeleton driver. Sound hardware isn't hooked up yet.

battles, gallag, gatsbee - All these bootlegs use unemulated circuitry instead of Namco custom chip 54XX.

xevios - Uses a 4th Z80 instead of Namco Custom MCU.

Is sound partly discrete?

4in1, dkongjrm - Sound hardware isn't 100% correctly hooked up yet and / or needs verifying with real PCBs.

monsterz - Possibily missing one sound ROM.

scorpion, scorpiona, scorpionb - Sound hardware isn't 100% correctly hooked up yet.

zipzap - Sound hardware isn't 100% correctly hooked up yet.

Preliminary driver. Sound isn't hooked up yet.

PC hardware. Needs SiS 7018 emulation.

Skeleton driver for fruit machine games.

Needs emulation of the custom 62XX explosion chip instead of samples.

Background music is missing (controlled by MSM-6585 sound chip).

Sound hardware (DAC) isn't 100% correctly hooked up yet.

Preliminary driver. Hardware is PC-Engine based.

QDSP QS1000 sound chip emulation isn't complete yet (missing envelopes and volume balance at least).

Sound hardware isn't 100% correctly hooked up yet.

Preliminary driver.

magoddsc, magoddsd - Custom encrypted CPU block.

unkch1, unkch2, unkch3, unkch4 - Sound hardware isn't hooked up yet.

kngtmare - Sound rom isn't dumped.

qbert and clones, reactor - Need Votrax SC-01 speech synthesizer emulation.

tylz - Different sound hardware needs proper implementation.

Missing speech synthesis chips emulation. HD38880 is the main chip whereas HD38882 is an eprom interface. PARCOR based.

Missing laserdisc sound.

Missing engine noise.

Needs discrete sound hardware emulation.

x2222 and clone - Sound ROMs aren't available. It's possible they don't exist anymore, given the game is an unreleased prototype.

josvolly - DAC sound needs to be implemented.

Sound hardware isn't 100% correctly hooked up yet.

hdrivair, hdrivairp Serial communications between the two DS III/IV sound ADSPs need fixing (The auxillary DSP is used to process the output of the sound DSP).

Needs discrete sound hardware emulation.

Skeleton driver. Sound hardware isn't hooked up yet.

Skeleton driver. Sound hardware isn't hooked up yet.

barricad, brickyrd - They currently use hitme discrete sound hardware implementation. Needs to be checked on schematics / PCBs.

Sound hardware isn't hooked up yet.

mirderby - Preliminary driver.

mjikaga - Sound sfxs don't work. CPU communication issue?

Voice emulation is missing (unemulated D7756C with internal rom).

Sound hardware isn't 100% correctly hooked up yet.

Preliminary driver.

hypersptb - Bootleg with different hardware. Has ADPCM via MSM5205 instead of VLM.

Code is encrypted.

vbowl, vbowlj - Sound is slow and low volume.

mgcs - Sound banking goes through protection, which isn't perfectly simulated.

Sound hardware hasn't been hooked up yet.

Missing laserdisc sound.

Preliminary driver. Sound hardware isn't hooked up yet (Creative/Ensoniq AudioPCI ES1373).

striv - Sound hook up isn't 100% correct yet.

daireika, mjzoomin, urashima - Sound banking needs fixing. It's protection-related for the first version of the MCU (should be somewhere on the work ram/shared ram).

jclub2 - Sound hardware isn't hooked up yet.

jclub2o - Sound hardware (ST016) is hooked up, but game doesn't work so it can't be verified.

Sound hardware isn't hooked up yet.

The mechanical games aren't emulated yet.

The mechanical games aren't emulated yet.

cashcade - Incomplete dump? Shows a loading error.

Preliminary driver.

Some events sound louder than others.

Missing PIC dumps. The kickgoal sound rom is also bad.

Possibly missing discrete sound hardware emulation.

PSX SPU emulation isn't perfect yet.

vsnetscr and clones -

Sound hardware isn't hooked up yet.

Skeleton driver for fruit machine games.

Sound hardware isn't hooked up yet.

PSX SPU emulation isn't perfect and some games are missing emulation of the external digital sound and I/O board.

Sound hardware isn't hooked up yet.

Sound hardware isn't correctly hooked up yet. Would greatly benefit from schematics.

Sound hardware hook-up is commented out.

lastfght - Sound chip is unknown.

medlanes - Needs discrete sound hardware emulation.

Needs discrete sound hardware emulation.

Sound hardware (Z80 + 3 AY-3-8910) isn't hooked up yet.

prosport, prosporta - Sound hook up isn't 100% correct.

dynabomb, legendoh, sb2003, sb2003a - QDSP QS1000 sound chip emulation isn't complete yet (missing envelopes and volume balance at least).

spotty - Different sound hardware isn't correctly hooked up yet.

Sound hardware is mostly understood, but isn't perfectly implemented yet.

bygone - Missing music. Emulation bug or incomplete prototype?

DAC emulation can be improved by adding the missing signals for decay etc. (see schematics).

Sound chip type is unknown.

Needs discrete sound hardware emulation.

Needs discrete sound hardware emulation.

alpha1v - Sound isn't correctly hooked up yet.

kidniki and clones, horizon, spelunk2 - Missing analog drums emulation.

Boom, Thud, Shot discrete sounds need more accurate emulation.

nbbatman2bl - Bootleg with different sound hardware: an undumped MCU as soundcpu, OKI samples for music/sound.

cultname, kisakaeh, kisakaen - ST016 hook up / emulation isn't perfect yet.

The sound chip is unknown (it's an ADPCM with eight channels).

Skeleton driver. Sound hardware isn't hooked up yet.

Preliminary driver. Sound hardware isn't hooked up yet.

Sound isn't correctly hooked up yet (2x SN76477).

Preliminary driver.

Needs discrete sound hardware emulation.

Preliminary driver.

Sound hardware hook up isn't correct yet.

mazerbla, mazerblaa - Sound isn't hooked up yet. Speech processor is unknown.

dpoker - Sound ROMs aren't dumped. Currently using the ones from kick.

twotiger - 8 track cassette has been dumped but the hook up isn't perfect yet.

bowl3d - Missing sound ROMs dump.

minferno - Sound hardware isn't hooked up yet.

Sound banking isn't understood.

edfbl - Bootleg on different hardware.

mermaid, yachtn - These game have a ROM for sample playback, needs identifying and hooking up.

Very complex prototype hardware. Preliminary driver.

puzzlet - The game does not write to the OKI sound chip (probably the timers don't work properly).

vmetal and clone - ES8712 sound may not be quite right. Samples are currently looped, but whether they should and how, is unknown. Where does the M6585 hook up to?

DAC hook-up isn't perfect yet.

Needs discrete sound hardware emulation.

Needs discrete sound hardware emulation.

Sound system implementation isn't 100% accurate yet.

mkyawdim2 - Bootleg on different hardware.

Sound hardware is unknown.

The Sound NMI and/or Interrupts aren't likely to be right. The Sound CPU starts writing to unusual memory ports - either because the NMI/Interrupt timing is out, or the sheer fact that the Sound CPU code is rather poorly written, so it may be normal behaviour. Also, the OKI M6295 seems to be playing the wrong samples, however the current OKI M6295 sound ROM dump is bad.

pangba, spangbl - Bootlegs with different sound hardware.

swa - Missing MPEG music, due to patent restrictions.

Sound comms are working but emulation isn't perfect yet.

Preliminary driver. Sound hardware isn't hooked up yet.

Preliminary driver. Uses an AY-3-8910.

Sound hardware isn't hooked up yet.

Fruit machine hardware. Not working yet.

Fruit machine hardware. Not working yet.

Fruit machine hardware. Not working yet.

Fruit machine hardware. Not working yet.

Fruit machine hardware. Not working yet.

Fruit machine hardware. Not working yet.

Fruit machine hardware. Not working yet.

Sound system isn't correctly hooked up yet (Amiga custom + Ensoniq ES5503).

Z80 - YMF271 comms aren't 100% correct yet.

Sound isn't hooked up yet.

Mechanical game. Needs discrete sound emulation.

280zzzap, lagunar - Need discrete sound hardware emulation.

blueshrk - Sounds are derived from schematics but could be (and seem) wrong. Needs checking on a real PCB.

bowler, clowns, clowns1, desertgu, dogpatch, invad2ct, roadrunm, shuffle, spacwalk, spcenctr, tornbase - Discrete sound hardware is only partially emulated.

checkmat - Needs breadboarding to get noise/filter frequencies.

gmissile, gunfight, gunfighto, m4, phantom2, seawolf, seawolfo - Need discrete sound hardware emulation instead of samples.

Needs discrete sound hardware emulation.

helifire, helifirea -

Namco C352 sound chip emulation isn't 100% correct yet.

Namco C352 sound chip emulation isn't 100% correct yet.

Namco C352 sound chip emulation isn't 100% correct yet.

Sound hardware isn't hooked up yet.

Namco C352 sound chip emulation isn't 100% correct yet.

Namco C352 sound chip emulation isn't 100% correct yet.

finallap and clones, finalap2 and clones, finalap3 and clones, fourtrax, suzuka8h and clones, suzuk8h2 and clones - Engine sound is awful.

Namco C352 sound chip emulation isn't 100% correct yet.

Namco C352 sound chip emulation isn't 100% correct yet.

AICA emulation / hook up isn't 100% yet.

barline - Wrong NMI enable trigger, causing wrong sample pitch (and sometimes crashes when you soft reset).

shabdama - Uses a laserdisc which isn't dumped yet.

Sound interface isn't implemented yet

Skeleton driver. Sound hook-up is preliminary.

Discrete motor/skid sounds are not 100% correct.

hachamf, tdragon1 - Protected sets, they don't handshake with the NMK004.

manybloc - Sound isn't 100% correctly hooked up. There are writes to 0x08001c.w and 0x08001e.w. ! Could they be related to sound and/or interrupts ?

vandykeb - Undumped PIC controls sound.

Preliminary driver.

SNES sound emulation isn't perfect yet.

Sound emulation is hooked up but driver is still preliminary.

Needs better sound emulation (mixing ?).

Function of port A on IC37 AY8910 is unknown. It looks like a DAC, but this is not supported by the writes to the port. All the writes are 0x9X, usually 0x9b or 0x9d. Note that this is incorrectly referred to as port B on the schematics, but the pin #'s confirm it is, in fact port A.

Main -> sound cpu communication is completely wrong, commands don't play the intended sound.

There are a few unmapped writes for the sound Z80 and unknown writes to the MSM5205 control addresses.

Needs hook up of the upd7751c sample player (it works correctly but there's main cpu side write(latch/command) missing).

One of the sound ROMs might be badly dumped. Sound hardware and frequencies are mostly guessed.

eggor - Sound hook up isn't 100% correct.

Skeleton driver. PC hardware. ISA 16bit sound card.

Sound system hook up isn't 100% correct yet.

Needs ATMEL DREAM SAM9773 Single Chip Synthesizer/MIDI emulation.

PC hardware. Sound isn't hooked up yet.

PC hardware. Sound isn't hooked up yet.

filetto - "buzzer" PC sound has issues plus the UM5100 sound chip, might be connected to the prototyping card.

tetriskr - "buzzer" PC sound has issues.

Sound system hook up isn't 100% correct yet (Z80 + ICS WaveFront ICS2115V Wavetable Midi Synthesizer).

PC hardware. Unemulated sound card.

Preliminary driver. Pinball - video hybrid. DCS2 Stereo Sound system isn't hooked up yet.

Sound hardware isn't 100% hooked up yet.

Sound hardware isn't hooked up yet (YM2203).

Needs discrete sound hardware emulation.

hrdtimes, hrdtimesa, wbeachvl, wbeachvl2, wbeachvl3 - Missing PIC dump.

Sound system isn't hooked up yet.

polepos2bi - Bootleg on different hardware. Sound hardware (Z80 + TMS5220) aren't properly hooked up yet.

BGM seems quite off, YM2413 core bug?

Sound CPU (TMS5200) isn't hooked up yet.

Sound system hook up isn't 100% correct yet.

jzth - A sound bank isn't hooked up yet.

Invader effect is missing. In general, sound needs comparing with a real PCB.

The emulation of the Custom Imagetek I5000 chip isn't perfect yet.

commsega - The first time you kill a soldier, the music stops. When you die the music restarts and won't stop a second time.

nrallyx, nrallyxb, rallyx, rallyxa, rallyxm - Needs emulation of the explosion with discrete sound components. The schematics are available so it should be possible eventually.

dai2kaku - Sound isn't correctly hooked up.

demoneye, ww3 -

panther - Sound comms don't work.

redalert - Needs discrete sound hardware emulation. Audio CPU NMI is generated by a 74121 multivibrator, the correct pulse length is not emulated.

Needs discrete sound hardware emulation.

Skeleton driver. Sound hardware isn't hooked up yet.

darkseal2 - One sound ROM is incorrect for this set.

Needs discrete sound hardware emulation for sound effects.

Needs discrete sound hardware emulation.

Sound ROM is badly dumped.

jansou - Game doesn't work due to missing program rom, thus sound emulaton can't be tested.

svolleybl - Bootleg on different hardware.

All games are marked as imperfect sound. Incorrect hook up of the Konami 054539 PCM sound chip?

frpwr_l6 - Sound doesn't work.

barra_l1, solar_l2 - Sound doesn't work.

thund_p1 and clones - Speech is mixed up.

alcat_l7 - Sound ROM isn't dumped.

Needs discrete sound hardware emulation instead of samples.

pzlestar -

Needs discrete sound hardware emulation.

800fath -

ad2083 - Bad dump of the tms5110 roms.

harem - Missing speech emulation.

mariner - Discrete sound in addition to the 8910.

turpins - Sound CPU to be added.

Preliminary driver. Probably discrete sound hardware.

005 - Sound PROM for melody generator is missing. Need discrete sound hardware emulation.

astrob and clones, monsterb, monsterb2, spaceod, spaceod2 - Need discrete sound hardware emulation.

pignewt, pignewta - Sega Universal Sound Board emulation isn't perfect yet.

elim2, elim4, spacfury and clones, zektor - Need discrete sound hardware emulation instead of samples.

startrek, tacscan - Sega Universal Sound Board emulation isn't perfect yet.

Skeleton driver.

Needs laserdisc sound and discrete sound hardware emulation.

tturf - One of the sound roms isn't dumped.

rascot - Only the terminal is dumped.

All SPI games suffer from incomplete Yamaha YMF271-F sound chip emulation.

blockcarb - Bootleg with different sound hardware.

crazyfgt - Level 2 interrupt should probably be triggered by the 3812 but sound tends to die that way.

jjsquawk, jjsquawkb, jjsquawkb2 - Player's shot sound is missing (not requested to X1-010?). Many sounds are wrong since MAME 0.62.

sokonuke - Sound is imperfect.

thunderlbl - Bootleg with different sound hardware. Sound is hooked up but it restarts after a few seconds at the title screen.

Preliminary driver. Uses a YM3812.

SNES sound emulation isn't perfect yet.

sasuke, satansat and clones, vanguard and clones - Discrete sound hardware isn't emulated yet.

fantasy and clones, vanguard and clones - Speech is missing (hd38880/hd38882 emulation).

satansat and clones - Music frequency is wrong.

ballboy, snowbro3 - It's not confirmed if the sound cpu code is missing or it's driven by the main cpu.

Needs discrete sound hardware emulation instead of samples.

Needs hook up of the SN76477s.

Missing filters emulation.

rebus - Sound isn't hooked up yet.

3super8 - Roms are badly dumped.

NiLe chipo emulation / hook up isn't perfect yet.

Audio CPU isn't emulated yet (QDSP).

Needs discrete sound hardware emulation.

Some sounds are missing: at least two of the unused roms contain samples (unknown format, perhaps adpcm).

Needs discrete sound hardware emulation.

Needs discrete sound hardware emulation.

srmp7 - Needs interrupts by the sound chip (not properly hooked up yet). Kludged to work.

Most games need discrete sound hardware emulation.

Needs discrete sound hardware emulation.

Needs discrete sound hardware emulation instead of samples.

Needs discrete sound hardware emulation. Samples are now hooked up, though.

Discrete sound hardware is emulated, but still needs proper emulation of the MC3340.

tomcatsw - Sound roms aren't dumped.

Needs interrupt frequencies at least. Possibly some discrete parts.

Sound is marked as imperfect in most games and there is no sound in some others due to incomplete SCSP emulation / hook up.

batmanfr Extra ADSP-2181 chip isn't hooked up (Same used by NBA Jam Extreme (ZN game)).

Preliminary driver.

Discrete sound hardware emulation is incomplete (missing sonar sound).

bishjan - Sound hardware isn't understood yet.

Sound hardware isn't hooked up yet.

The board seems to contain a discrete sound portion which needs to be emulated.

Most games in the driver lack / have incomplete sound. Needs support for custom sound HW used by the various bootlegs.

champwr, champwrj, champwru - Additional MSM5205 isn't 100% correctly hooked up yet.

evilston - Repeated SFXs. Audio NMI source is unknown.

Zoom sound DSP emulation isn't complete.

Zoom sound DSP emulation isn't complete.

Preliminary driver.

Zoom sound DSP is currently unemulated.

Zoom sound DSP is currently unemulated.

Needs discrete sound emulation instead of samples.

Konami GX based PCB for gambling games.

Sound isn't hooked up (probably discrete).

stepstag, steps3 - No music ROMs / HD dumps.

Needs converting of the SSI-263 to a sound device and laserdisc audio.

chkun - Needs Toshiba TC8830F sound chip emulation.

Missing laserdisc audio.

The emulation of the Custom Imagetek I5000 chip isn't perfect yet.

glfgreat, glfgreatj - Sound hook up isn't 100% correct yet.

Preliminary driver.

fireshrk and clones, vimana and clones - No sound because of missing sound MCU dump. Chip is protected. It's a QFP80 Hitachi HD647180.

outzonec - Z80 roms is probably incorrect for this set, causing wrong sounds.

ghox, ghoxj, tekipaki, whoopee - No sound because of missing sound MCU dump. Chip is protected. It's a QFP80 Hitachi HD647180. Whopeee misses the dump too, but is currently using one from a bootleg.

jujuba - In this bootleg sound hardware seems to have been slightly modified, the coins are handled ok, but there is no music and bad sfx.

Sound is hooked up according to schematics, but it sounds horrible. It's supposed that real hardware differs from schematics.

Sound isn't perfect yet (PC-Engine hardware).

hyprolymb - Bootleg with different sound hardware, which isn't correctly hooked up yet.

Audio is almost there, but not perfect yet.

Sound isn't hooked up yet (possibily driven by a protected PIC).

pangpang, tumbleb2 - Sound PIC is protected and simulation isn't 100% correct. We need a dump of the PICs.

tumbleb - Sound is not quite correct yet.

Driver needs discrete sound emulation instead of samples.

Sound isn't fully hookep up yet (IDE DMA, finish comms).

tx1, tx1jb, tx1jc - TX-1 tyre screech noises are not implemented yet.

The tone played by the jamma if board is not emulated.

Amiga sound emulation isn't perfect yet.

misncrft, wyvernwg and clone, yorizori - QDSP QS1000 sound chip emulation isn't complete yet (missing envelopes and volume balance at least).

QDSP QS1000 sound chip emulation isn't complete yet (missing envelopes and volume balance at least).

gauntleg12 - Sound doesn't work in this clone.

cartfury, nbanfl, nbashowt - Use unknown DCS boards.

sf2049, sf2049se, sf2049te - Use DCS2 "Denver" board which isn't fully implemented yet.

All games are missing discrete sound emulation.

Driver doesn't do much yet, thus sound isn't hooked up.

Preliminary driver.

ES8712 sound may not be quite right. Samples are currently looped, but it's unknown whether they should and how.

PC hardware. Preliminary driver.

Sound isn't hooked up yet (AY8910).

Preliminary driver. Probably discrete sound hardware.

navarone, sos - Sound isn't completely emulated yet.

Sound isn't correctly hookep up.

MSM5205 sound isn't perfect yet.

Encrypted.

Sound is completely unimplemented.

Skeleton driver. Pinball games.

Preliminary driver. Needs memory map improvements, ACRTC support, GFX decode and sound support.

Sound emulation isn't fully accurate.

Sound emulation isn't fully accurate.

scion, scionc, stinger, stinger2 - Discrete hardware emulation is preliminary.

Missing discrete sound emulation and (undumped) audio cassette.

Sound emulation isn't fully accurate.

Sound hardware isn't hooked up yet.

Sound hardware isn't hooked up yet. There's no info available about the sound board.

Missing discrete sound emulation.

Lacks analog circuitry emulation (see driver notes). Needs implementation of discrete filters for analog signals 1 to 5 and attenuation control for signal 5 (74LS156).

Missing discrete sound emulation.

SPU emulation isn't perfect yet.