04148: pzletime: Message "E2-ROM ERROR"

ID	Category [?]	Severity [?]	Reproducibility	Date Submitted	Last Update
04148	Crash/Freeze	Critical (emulation)	Always	Dec 20, 2010, 22:00	Mar 17, 2012, 00:42

Tester	-Misc Reporters-	View Status	Public	Platform	MAME (Self-compiled)
Assigned To	wilbert	Resolution	Fixed	OS	Windows XP (32-bit)
Status [?]	Resolved			Driver	edevices/pzletime.cpp
Version	0.140u2	Fixed in Version	0.144u4	Build	Normal
		Fixed in Git Commit		Github Pull Request #

Summary	04148: pzletime: Message "E2-ROM ERROR"
Description	When playing the game and you exit MAME while the game play is happening, attempting to start MAME again will result in a bad eeprom error.
Steps To Reproduce	1. Delete .NV file if needed 2. Start pzletime 3. Credit once and start a game. Once you've started and see the game playfield with the puzzle pieces, exit MAME. 4. Re-Start pzletime to get the error screen. The game will not function until you delete the .NV file (pzletime.nv)
Additional Information	First reported by jrideburg: http://www.mameworld.info/ubbthreads/showthreaded.php?Cat=&Number=241655 There were a number of eeprom related changes just before 0.136 went out the door. It's likely the issue lies in the conversion. (r7796, r7799, r7800)
Github Commit

Flags
Regression Version	0.136
Affected Sets / Systems	pzletime

Attached Files

No.08356 NekoEd Senior Tester Mar 15, 2012, 14:55	I can no longer reproduce the issue as reported. (2012-03-15 v0.145u4) I was able to entice an "E2-ROM ERROR" by playing with the EEROM test in service mode, but only once. It did require deleting the EEPROM file, but it seems it was a freak occurance. Marking Resolved/CNR.
No.08381 M.A.S.H. Senior Tester Mar 17, 2012, 00:42	Found 'Fixed' version: 0.144u4: Wilbert Pol changed the EEPROM 'erase' function to force all data bits of the specified address to 1s.