01893: mk4: MK4 hangs in demo mode after about 5 mins/matches.

ID	Category [?]	Severity [?]	Reproducibility	Date Submitted	Last Update
01893	Crash/Freeze	Critical (emulation)	Always	Jun 11, 2008, 05:27	May 8, 2011, 19:28

Tester	john_iv	View Status	Public	Platform	MAMEUI
Assigned To	Phil Bennett	Resolution	Fixed	OS	Windows XP/Vista 64-bit
Status [?]	Resolved			Driver	midway/midzeus.cpp
Version	0.125u4	Fixed in Version	0.142u3	Build	64-bit
		Fixed in Git Commit		Github Pull Request #

Summary	01893: mk4: MK4 hangs in demo mode after about 5 mins/matches.
Description	MK4 will hang, not assert, requiring a taskmgr process kill.
Steps To Reproduce	Launch MK4, let it run through its demo mode for about 5 matches. Hangs on stuttering tone but doesn't error, requires taskmgr killing.
Additional Information
Github Commit

Flags
Regression Version
Affected Sets / Systems	mk4

Attached Files

No.01262 Fujix Administrator Jun 11, 2008, 11:50	Confirmed. It hangs at a demo fight of Sonia vs Tania.
No.01266 Jdurg Tester Jun 11, 2008, 16:15	Could be related to Bug ID 01449 where hitting any administration button causes the emulation to just cease.
No.07419 Phil Bennett Developer May 5, 2011, 12:50	Was caused by arithmetic overflow in one of the DCS timer functions.