05714: a2600p: The demo "(core) by wamma" is not working properly.

ID	Category [?]	Severity [?]	Reproducibility	Date Submitted	Last Update
05714	Graphics	Minor	Always	Oct 10, 2014, 13:08	Sep 26, 2015, 19:37

Tester	demotester	View Status	Public	Platform	MESS (Official Binary)
Assigned To		Resolution	Fixed	OS	Windows XP
Status [?]	Resolved			Driver	atari/a2600.cpp
Version	0.154	Fixed in Version	0.166	Build	Normal
		Fixed in Git Commit		Github Pull Request #

Summary	05714: a2600p: The demo "(core) by wamma" is not working properly.
Description	Some parts of the demo "(core) by wamma" are not working properly in MESS a2600p system. http://www.pouet.net/prod.php?which=30236
Steps To Reproduce	Compare the demo in mess using a2600p system with below yt-video: case1 -------- yt-video from 0:41 till 0:57 and 1:48 till 2:04 ... in MESS it does not works properly -> only vertical stripes case2 -------- yt-video from 2:44 till 3:16 ... in MESS it does not works properly -> f.ex. the scroll text does not wave
Additional Information
Github Commit

Flags
Regression Version
Affected Sets / Systems	a2600p

Attached Files

No.11038 Tafoid Administrator Oct 11, 2014, 22:04	Timing/IRQ issues with the newer m6502 core in late 2012 (r18875)
No.12046 Tafoid Administrator Sep 26, 2015, 19:37	https://github.com/mamedev/mame/commit/80b274e7ed97be04821cb6658a154ea11203b8ff a2600: new 6502 PC=cur inst, old 6502 PC=prev inst (MT 5345) [Mike Saarna, Trebor, R. Belmont]