09018: thinkpad850: Freezes at start

ID	Category [?]	Severity [?]	Reproducibility	Date Submitted	Last Update
09018	Crash/Freeze	Minor	Always	Dec 14, 2024, 01:09	Dec 19, 2024, 12:35

Tester	Robbbert	View Status	Public	Platform	MAME (Self-compiled)
Assigned To		Resolution	Not fixable	OS	Windows 10/11 (64-bit)
Status [?]	Closed			Driver	ibm/thinkpad8xx.cpp
Version	0.272	Fixed in Version		Build	64-bit
		Fixed in Git Commit		Github Pull Request #

Summary	09018: thinkpad850: Freezes at start
Description	This system freezes at start (MAME not responding).
Steps To Reproduce	>mame thinkpad850 A red warning screen will appear. It might have already frozen by now, but if not, press any key. Now it will certainly be frozen, requiring MAME to be killed off.
Additional Information
Github Commit

Flags
Regression Version
Affected Sets / Systems	thinkpad850

Attached Files

No.22631 Robbbert Moderator Dec 19, 2024, 12:35	The debugger starts at FFF00100, with a list of question marks, and immediately freezes there. The driver doesn't have a memory map, so there's no chance of it working any time soon. MNW, invalid report.