- In sync with the core source structure update, Testers has been updated with the new driver names with paths.
- The distinction by project (MAME/MESS) has been abolished. From now on, please report them as MAME's.
filters
Tester Assigned To Category Severity Resolution Driver (bugs)
any any any any any any
Status Hide Status Version Fixed in Version Build Platform
any none any any any any
Show Show Sticky Issues Changed(hrs) Use Date Filters Relationships OS
100 No 12 No any any
Flags Regression Version Affected Sets / Systems
any any any
Sort by Category Descending Project any
[ Advanced Filters ]
Viewing Issues
1 - 100 / 8189
IDVersionDriverCategory [?]
Severity [?]Status [?]UpdatedSummaryTester
 0886050.265TimingMajorAcknowledged11 days agoAll games in konamigq.c and (probably some in) konamigv.c: The loading parts are VERY slowdanylopez123
 08749280.257
seta/seta.cpp
TimingMajorConfirmedSep 12, 2023rezon: Severe slowdowns when there's a lot of sprites on screenMamesick
 0854270.251
sinclair/spec128.cpp
TimingMinorClosedJun 21, 2023spec128, specpl3e: Some spectrum models are running at wrong speedStHiryu
 0858130.251
commodore/c128.cpp
TimingCritical (emulation)ConfirmedMar 24, 2023c128 All PAL versions: The PAL versions produce wrong output with the rs232 device, NTSC devices produce correct outputWalker
 08548110.251
sony/zn.cpp
TimingTrivialAcknowledgedJan 11, 2023gdarius, gdariusj, gdariusu: Inaccurate Slowdown compared to Real HardwareCow
 06455110.180
nintendo/nes.cpp
TimingCritical (emulation)ResolvedDec 5, 2022MESS-specific dendy: timing regression causing major slowdown in all softwarekazblox
 0756730.218
konami/konamigs.cpp
TimingMinorConfirmedFeb 24, 2022ddrkids: Songs eventually goes Off-Sync with the Rhythm.danylopez123
 0795220.230
rare/kinst.cpp
TimingMinorAcknowledgedFeb 22, 2022kinst: Timing speed is wrong in ATTRACT MODE.toniosj
 0743230.213
konami/gticlub.cpp
TimingMinorResolvedJul 5, 2021gticlub, jetwave and clones: The player vehicle skips/jitters during the end sequence.Hydreigon
 0666580.188
trs/coco3.cpp
TimingMinorConfirmedMay 19, 2021MESS-specific All drivers in coco12.cpp, coco3.cpp: Very slow load times when accessing the floppy driveMrGW
 07050330.199
miltonbradley/vectrex.cpp
TimingMinorConfirmedJul 19, 2020MESS-specific vectrex: 6522 VIA shift register issuezaxxon
 0753420.217
apple/apple2e.cpp
TimingMajorResolved (R. Belmont)Jan 8, 2020MESS-specific apple2ee: Time advancing too quickly using Thunderclockxolson
 0719680.205
snk/snk6502.cpp
TimingMinorResolved (AJR)Nov 26, 2019nibbler: 2-player Slow DownbobRetro
 0538740.151
snk/snk6502.cpp
TimingMinorResolved (AJR)Nov 26, 2019nibbler: Some animations run too fast.Zaphod
 07424390.213
dataeast/cbuster.cpp
TimingMinorAcknowledgedSep 21, 2019cbuster and clones: Lack of slowdownICEknight
 0462180.144u6
konami/ironhors.cpp
TimingMinorResolved (Kale)Jun 29, 2018ironhors: 30fps framerate seems abnormalhap
 06774220.191
trs/coco12.cpp
TimingMinorAcknowledgedNov 28, 2017MESS-specific coco, coco2, dragon and clones: Clock speed running too fast in some instancesMrGW
 067280.190
tatung/einstein.cpp
TimingMajorResolved (Duke)Oct 24, 2017MESS-specific einstein: In Xtal Basic the PRINT TI$ always gives "000000" ?demotester
 0634650.176
pacman/jrpacman.cpp
TimingMinorConfirmedSep 1, 2016mspacman: refreshspeed not work if using bgfxAugusto
 0616180.171
apple/apple2gs.cpp
TimingMinorAcknowledgedMar 27, 2016MESS-specific apple2gsr1 (and probably others): Timing problems !demotester
 060430.166
msx/msx.cpp
TimingMajorConfirmedOct 19, 2015MESS-specific svi738, vg8235, fsa1wx, fsa1wsx: The demo "io by Logon System" does not work properly!demotester
 059120.160TimingMinorConfirmedApr 7, 2015refreshspeed not work if using openglAugusto
 04625120.144u6
namco/namcona1.cpp
TimingTrivialConfirmedApr 9, 2014fghtatck & clone: graphic glitches when scrolling left-rightmoa
 0543410.152
atari/atari400.cpp
TimingMinorAcknowledgedJan 24, 2014MESS-specific a800: [possible] INC WSYNC skips 3 scanlines while Acid800 expects one scanline to be skipped.Alegend45
 0509320.145
misc/cave.cpp
TimingMinorAcknowledgedDec 25, 2012dfeveron: [possible] Countdown in Time Attack mode runs a little too slowshmup999
 0495620.146u3
taito/arkanoid.cpp
TimingMinorResolvedDec 13, 2012arkanoid: [possible] startup countdown seems too fastmoa
 0465440.144u7
sega/stv.cpp
TimingCritical (emulation)Resolved (R. Belmont)Feb 2, 2012All sets in stv.c: All sets do not start or play correctly (Timing, Auto Credit, Sound)Scagazza
 0462330.144u6TimingMinorResolved (hap)Jan 25, 2012drivers that use SCREEN_VBLANK: change from SCREEN_EOF to SCREEN_VBLANK regressed timinghap
 0790630.229
sony/zn.cpp
SpeedMinorAcknowledgedMar 26, 2024sfex, sfexp and clones: Parts of the demo sequence are fast compared with actual hardwareFortuna
 04663140.145
sony/zn.cpp
SpeedMinorAcknowledgedMar 26, 2024tgmj: Wrong framerate/refresh ratemuf
 0881020.261
midway/seattle.cpp
SpeedMinorAcknowledgedJan 25, 2024sfrush (and possibly others in seattle.cpp): Gameplay runs slightly faster in Mame compared to pcbHydreigon
 0879820.261
midway/mcr.cpp
SpeedMajorClosedDec 1, 2023All sets in mcr.cpp and mcr3.cpp: All games play to fastchaneman
 0871540.256
handheld/hh_tms1k.cpp
SpeedMinorResolved (hap)Jul 11, 2023vclock3: [possible] Clock runs slower, it needs around 78 seconds to reach a minuteBIOS-D
 0870420.256
dataeast/dassault.cpp
SpeedMajorAcknowledgedJul 10, 2023All sets on dassault.cpp: Games running very slowBalthier
 004087320.37b8
capcom/cps1.cpp
SpeedMajorConfirmedJul 8, 2023sf2hfu: Running too fast.Sixtoe
 0417730.141
capcom/lwings.cpp
SpeedMajorConfirmedFeb 16, 2023avengers: [possible] General in-game slowdowns haynor666
 0854420.251
konami/konamim2.cpp
SpeedMinorConfirmedJan 7, 2023polystar: The game haves many slowdownsdanylopez123
 0677360.191
konami/vendetta.cpp
SpeedMajorConfirmedDec 13, 2022esckids, esckidsj: Slowdown in gameFortuna
 0846910.248
konami/zr107.cpp
SpeedMinorAcknowledgedOct 28, 2022windheat and probably the other games in zr107.cpp: Incorrect Refresh Ratedanylopez123
 08368150.245
jaleco/megasys1.cpp
SpeedMajorClosedSep 8, 2022phantasm: Game speed is always halfsasuke
 0838110.245
epoch/scv.cpp
SpeedMajorConfirmedJul 26, 2022[scv] lupin3: Emulation speed too slowArcadeShadow
 08193160.239
sega/segag80v.cpp
SpeedMajorConfirmedJan 28, 2022spacfury: Space Fury gameplay slows down in second level after first ship docking.john_iv
 03737140.135
konami/nemesis.cpp
SpeedMinorResolved (aaron)Dec 16, 2021salamand, lifefrce: Music speed is slow.Ace
 0810610.236
commodore/plus4.cpp
SpeedCritical (emulation)ConfirmedOct 13, 2021MESS-specific plus4: Recently released Arkanoid +4 (FreeWare) Running way too fastKaylee
 0115310.104u6
nichibutsu/clshroad.cpp
SpeedMinorResolved (nicolasa)Aug 6, 2021clshroad: The game is slow, the frame rate suffers, and even the calorie bar flickers.Machone
 0449350.143
taito/taito_f3.cpp
SpeedMinorConfirmedJun 7, 2021arkretrn, elvactr, landmakr, dungeonm, quizhuhu, popnpop, trstar, puchicar, qtheater, gunlock, recalh, ridingf: Slow game speedAfdal
 0787360.228
sega/segag80r.cpp
SpeedMajorClosedFeb 14, 2021astrob and clones using discrete: Emulation speed suffered noticable dropozfalcon
 0784810.227
nintendo/popeye.cpp
SpeedMajorConfirmedJan 16, 2021popeye and clones using Discrete: Emulation speed suffered noticable dropTafoid
 071410.203
vtech/vtech2.cpp
SpeedMinorResolved (Robbbert)Aug 19, 2020MESS-specific laser500: speed is faster than real machinenippur72
 03693270.136u1
psikyo/psikyo.cpp
SpeedMinorConfirmedJul 4, 2020s1945nj, s1945n: [possible] Slowdown in certain scenariospooyan
 0663550.188
technos/renegade.cpp
SpeedMinorResolved (Kale)Jun 2, 2020renegade and clones: [possible] Possible speed issuesMachone
 0098750.56
seta/seta2.cpp
SpeedMinorResolvedMay 15, 2020myangel: Bad syncronization in (one of) the ending of the game.Kale
 0657240.185
jaleco/ms32.cpp
SpeedMajorAcknowledgedMay 2, 2020bnstars bnstars1: Incorrect emulation speedsystem11
 076042100.219
irem/m62.cpp
SpeedMinorClosedApr 8, 2020kidniki: Kid Niki slow speed gameplay not using available CPUAugusto
 0116810.57
konami/simpsons.cpp
SpeedMinorResolved (Kold666)Oct 13, 2019simpsons: The game slows down a bit as if the original hardware wasn't powerful enough for it.Bugfinder
 07443110.214
capcom/cps1.cpp
SpeedMinorAcknowledgedOct 2, 2019ffight: slowdown comparisonabelardator2
 07417330.213
sega/stv.cpp
SpeedMinorConfirmedSep 12, 2019thunt and clones: Performance hit in one specific fade outICEknight
 0413540.140u2
valadon/tankbust.cpp
SpeedMajorConfirmedSep 8, 2019tankbust: Game speed issue.Kold666
 0733720.209
midway/midvunit.cpp
SpeedMinorAcknowledgedMay 26, 2019crusnusa, crusnwld and offroadc and clones: All games run at incorrect speeds.Hydreigon
 0709310.201
midway/seattle.cpp
SpeedMinorAcknowledgedMay 25, 2019carnevil: Image faster than sound during clown introductions.MetalGod
 0411750.140u1
atari/mhavoc.cpp
SpeedMajorConfirmedDec 18, 2018mhavocp: [possible] Increasing slowdown in Test ModeTafoid
 0281130.129
jaleco/bnstars.cpp
SpeedMinorConfirmedNov 17, 2018bnstars1: This thing runs WICKED fast.nightsoil
 0039710.71u2
atari/jaguar.cpp
SpeedMinorResolvedNov 4, 2018a51mxr3k: When doing the disk check, the throughput seems locked at 3999KB/sec...which is slow compared to the real thingReznor007
 0074710.37b5
midway/midtunit.cpp
SpeedMinorConfirmedOct 23, 2018nbajam: When you the glass shatters, the game should slow down.-Misc Reporters-
 05939270.161
snk/prehisle.cpp
SpeedMinorConfirmedOct 20, 2018prehisle, gensitou, prehislek, prehisleu: Wrong speedabelardator2
 0304030.130
namco/namcos12.cpp
SpeedMinorConfirmedOct 12, 2018soulclbr and clones: Game speed issueLastNinja2
 0011320.94u1
sega/segas18.cpp
SpeedMinorResolvedSep 16, 2018lghost: The strange 'hiccup' about 10 seconds into the first level.Karasu
 06149110.171
sega/stv.cpp
SpeedMajorAcknowledgedSep 12, 2018diehard, dnmtdeka: Huge slowdown during quicktime eventsSolstar
 0709510.197
sega/stv.cpp
SpeedMinorClosedSep 6, 2018diehard, dnmtdeka: SlownessMetalGod
 0560460.153
cvs/cvs.cpp
SpeedMinorConfirmedAug 29, 2018hunchbak, hunchbaka: suffers from slowdownszaxxon
 046621150.145
psikyo/psikyosh.cpp
SpeedMinorResolved (AWJ)Aug 25, 2018tgm2, tgm2p: Wrong framerate/refresh ratemuf
 0700870.198
atari/pong.cpp
SpeedMajorClosedJun 16, 2018breakout, pong: Breakout displays 92% using F11 even though it can run beyond 100%john_iv
 06908140.195
itech/iteagle.cpp
SpeedMinorResolved (tedgreen)Mar 25, 2018bbhcotw, bbh2sp: Game runs slow on certain levels despite being 100% in MAME (snow?)mmarino4
 0052520.37b15
metro/metro.cpp
SpeedMinorResolved (Kale)Nov 22, 2017bangball: When you finish a level, sometimes the game runs like slow-motion.Kale
 0619320.172
sunelectronics/shanghai.cpp
SpeedMajorResolved (Kale)Nov 4, 2017shanghai, shangha2 and clones: When playing, the gameplay and sound are very fast.Scuore
 067151120.190
capcom/cps1.cpp
SpeedMajorClosedOct 22, 2017Huge slowdown with bezelswuemura
 066520.188
konami/tmnt.cpp
SpeedMajorConfirmedAug 10, 2017qgakumon: Slow transitionsKale
 0664660.185
sega/segac2.cpp
SpeedMajorResolvedAug 9, 2017sonicfgt: Game with speed to 100% in mame is 5x too slowGIGI88200
 0354840.135u1
namco/namcos12.cpp
SpeedMinorConfirmedJun 25, 2017soulclbr: Soul Calibur running at half speed though showing 100%john_iv
 02704140.128
neogeo/neogeo.cpp
SpeedMinorResolvedJun 23, 2017savagere: Emulation hiccups on screen transitions.Yonah
 0417670.141SpeedMinorResolvedOct 18, 2016Speed throttle doesn't work properly in some games with artwork, -mt and -video ddraw.haynor666
 063900.178
misc/homedata.cpp
SpeedMajorAcknowledgedSep 28, 2016battlcry: Erratic gameplay speedKale
 0320150.131
metro/hyprduel.cpp
SpeedMajorResolvedJul 25, 2016hyprduel: Dramatically decreased performanceDark Kariya
 062440.174
namco/namconb1.cpp
SpeedMinorResolved (Osso)Jun 20, 2016machbrkr, outfxies: Degraded performance speedKale
 0604620.166SpeedMajorResolved (crazyc)Jan 21, 2016MESS-specific Several drivers using mc6845.c: Speed is always 90-98% when throttledr09
 0082580.60
konami/wecleman.cpp
SpeedMajorResolved (Kale)Nov 24, 2015hotchase: The game is too slow. You can realize this by checking the in-game chronometer.Kale
 060660.167
itech/iteagle.cpp
SpeedMinorConfirmedNov 10, 2015All gtfore sets: Video playback and gameplay run too fastgeforcefly
 0606320.167
universal/cosmic.cpp
SpeedMinorClosedNov 3, 2015cosmicg: cosmic guerilla speed issue.russ h.
 06015140.164
namco/namcos1.cpp
SpeedMajorAcknowledgedAug 18, 2015All sets: Emulation speed drop from 100% to <60%wallyweek
 060070.164
suna/suna16.cpp
SpeedMinorResolved (Haze)Aug 4, 2015bssoccer: significant performance drop during introhaynor666
 0597910.163
taito/rbisland.cpp
SpeedMinorResolved (system11)Jul 29, 2015jumping, jumpinga: Sound is slightly wrong in jumping due to incorrect clock dividers / clockssystem11
 05931140.161
neogeo/neogeo.cpp
SpeedMinorClosedMay 6, 2015janshin: Slowdown when the game uses a wavy line effectizius
 05755210.155
namco/namcos12.cpp
SpeedMajorClosedOct 23, 2014soulclbr and clones: [possible] soulclbr and clones: Speed ​​graphics with the Interlace modeCT92
 0250650.127SpeedMinorResolved (Haze)Oct 15, 2014All Sets in fuukifg2.c and fuukifg3.c: [possible] Noticable slowdown while performing full screen frame bufferinguser422
 0100810.36b11
tecfri/speedbal.cpp
SpeedMinorConfirmedJul 27, 2014speedbal: Running too fast.Bugfinder
 0562780.153
dataeast/dec0.cpp
SpeedTrivialResolved (AWJ)Jul 19, 2014slyspy and clones: comparing to other games in this driver performance is lowhaynor666
 056260.153
subsino/lastfght.cpp
SpeedMajorAssigned (galibert)Jul 16, 2014lastfght: Gameplay speed is too fastTafoid
 04097120.140
namco/namcos1.cpp
SpeedMinorResolved (AWJ)Jun 11, 2014All sets in namcos1.c: Performance regressionM.A.S.H.
 0558820.153
itech/itech32.cpp
SpeedMajorClosedMay 20, 2014wcbowl (All sets): Incorrect refresh rate reported by mame.ozfalcon
 0557030.153
technos/xain.cpp
SpeedMajorResolvedMay 6, 2014xsleena: Massive slowdowns when a lot of graphics on screenBeylie