03457: choplift: Choplifter (8751 315-5151) scrolling problems

ID	Category [?]	Severity [?]	Reproducibility	Date Submitted	Last Update
03457	Graphics	Major	Always	Sep 29, 2009, 12:56	Dec 17, 2011, 09:24

Tester	Kold666	View Status	Public	Platform	MAME (Official Binary)
Assigned To	hap	Resolution	Fixed	OS	Windows XP (32-bit)
Status [?]	Resolved			Driver	sega/system1.cpp
Version	0.134u1	Fixed in Version	0.144u4	Build	Normal
		Fixed in Git Commit		Github Pull Request #

Summary	03457: choplift: Choplifter (8751 315-5151) scrolling problems
Description	The protected set has a very jumpy scrolling
Steps To Reproduce
Additional Information
Github Commit

Flags
Regression Version
Affected Sets / Systems	choplift

Attached Files

No.04992 Tafoid Administrator Sep 29, 2009, 13:10	When comparing with the other sets, there is a noticeable jumpiness to the scrolling of the ground. Odd, but I can confirm the behavior.
No.04999 robiza Developer Oct 4, 2009, 17:48	in my build the speed is about 50% i think it's only slow
No.05034 robiza Developer Oct 18, 2009, 15:27	the log is full of unmapped addresses: (no context): unmapped I/O memory byte write to 20003 = FF (no context): unmapped I/O memory byte write to 20002 = FF (no context): unmapped I/O memory byte write to 20000 = FF 'mcu' (0044): unmapped I/O memory byte write to 20003 = FF