08867: kartduel, kartduelj: The game freezes for like 0.25 seconds every 30 frames

ID	Category [?]	Severity [?]	Reproducibility	Date Submitted	Last Update
08867	Known Issues/To-Do's	Major	Always	Jun 3, 2024, 20:22	26 days ago

Tester	danylopez123	View Status	Public	Platform	MAME (Official Binary)
Assigned To	smf	Resolution	Fixed	OS	Windows 10/11 (64-bit)
Status [?]	Resolved			Driver	namco/namcos12.cpp
Version	0.266	Fixed in Version	0.271	Build	64-bit
		Fixed in Git Commit	977b016	Github Pull Request #

Summary	08867: kartduel, kartduelj: The game freezes for like 0.25 seconds every 30 frames
Description	EDIT: Osso pointed that this issue was already listed in the source: https://git.redump.net/mame/tree/src/mame/namco/namcos12.cpp#n18 Kart Duel is somewhat playable but the one thing that makes it very annoying is that the game freezes for a bit every 30 frames (Game's internal framerate is 59.826 but since the game runs like 30 FPS, it count's like every 15 frames) How the game supposed to run with no freezing: [video was deleted by youtube] Attract:
Steps To Reproduce
Additional Information
Github Commit

Flags
Regression Version
Affected Sets / Systems	kartduel, kartduelj

Attached Files

No.22150 Osso Moderator Jun 3, 2024, 21:12	Right, this is listed in the source: https://git.redump.net/mame/tree/src/mame/namco/namcos12.cpp#n18
No.22152 danylopez123 Tester Jun 3, 2024, 22:07	Whops.. that is one page i'm not used to take a look. At least this should let the others know about it from mametesters I'll put that link to the description.
No.22154 hap Developer Jun 3, 2024, 22:52	I don't know, see rule 10. The bug you reported is the reason the game is marked 'not working' in MAME.