08082: tokio, tokiob: Player ship incorrect right banking animation

ID	Category [?]	Severity [?]	Reproducibility	Date Submitted	Last Update
08082	Graphics	Minor	Always	Sep 12, 2021, 10:37	Sep 14, 2021, 03:39

Tester	BPzeBanshee	View Status	Public	Platform	MAME (Official Binary)
Assigned To		Resolution	Bugs That Aren't Bugs	OS	Windows 10 (64-bit)
Status [?]	Resolved			Driver	taito/bublbobl.cpp
Version	0.235	Fixed in Version		Build	64-bit
		Fixed in Git Commit		Github Pull Request #

Summary	08082: tokio, tokiob: Player ship incorrect right banking animation
Description	As stated, the banking animation appears notably wonky when moving right in newest builds. Easier to see in action rather than using stills.
Steps To Reproduce	Insert Coin, start game, then move right
Additional Information	Used this video as brief reference: Also looked at previous bug reports, in which one video moves the player but doesn't exhibit the issue. Also not present in Taito Legends.
Github Commit

Flags
Regression Version
Affected Sets / Systems	tokio, tokiob

Attached Files

No.19251 Haze Senior Tester Sep 13, 2021, 07:39	I can't see what you mean at all
No.19252 Tafoid Administrator Sep 13, 2021, 09:33	I, too, can't figure out how the moving the ship left to right looks "wonky" in any way. You'll need to be a bit more descriptive and illustrate precisely what you mean and how you achieve what you are asserting.
No.19253 hap Developer Sep 13, 2021, 19:44	Play in slow motion (eg. speed 0.2) to see it better. But! it looks the same in the pcb video. BTANB
No.19254 BPzeBanshee Tester Sep 14, 2021, 03:39	Apologies for wasting time, it seems hap is correct. I've also used the 0.25x replay to confirm it is present in other videos as well - which is weird because they didn't seem obvious at normal speed when I checked before making this bug report, and it really stuck out like a sore thumb when playing it in MAME the other day. To better explain the effect, upon having moved right a certain amount of frames and then either stopping or presenting other input, the ship appears to have a jerk-like effect on the wings while animating back to it's center frame. This doesn't happen when banking left, only when banking right. Upon closer inspection using frame advance it appears like half of the sprite is actually reverting to its previous frame while animating, but the videos online would seem to confirm this to be a PCB bug and not a MAME emulation issue.