08741: tmek20: TMEK 2.0 hangs on title screen

ID	Category [?]	Severity [?]	Reproducibility	Date Submitted	Last Update
08741	Crash/Freeze	Critical (emulation)	Always	Aug 4, 2023, 13:13	Aug 12, 2023, 05:42

Tester	80sRay	View Status	Public	Platform	MAME (Official Binary)
Assigned To		Resolution	Open	OS	Windows 10/11 (64-bit)
Status [?]	Confirmed			Driver	atari/atarigt.cpp
Version	0.257	Fixed in Version		Build	64-bit
		Fixed in Git Commit		Github Pull Request #

Summary	08741: tmek20: TMEK 2.0 hangs on title screen
Description	The T-MEK (2.0, Prototype) set completely hangs MAME a few seconds after reaching the title screen. There's no backtrack since I have to use Task Manager to force quit MAME. The other sets don't crash and seem to work as well as can be expected.
Steps To Reproduce	Run MAME, choose T-MEK 2.0 and wait.
Additional Information
Github Commit

Flags
Regression Version
Affected Sets / Systems	tmek20

Attached Files

No.21686 80sRay Tester Aug 4, 2023, 13:15	Dupe of 07146.
No.21687 Robbbert Senior Tester Aug 4, 2023, 14:25	Supposedly fixed in MT 07146 (unknown commit), but it's happening again.
No.21694 Osso Moderator Aug 12, 2023, 05:42	tbh it happens to me even if I launch 0.254, where it was reported fixed.