05644: ganjaja: Line glitches at top of screen

ID	Category [?]	Severity [?]	Reproducibility	Date Submitted	Last Update
05644	Graphics	Minor	Always	Jul 26, 2014, 23:53	Jul 28, 2014, 15:29

Tester	M.A.S.H.	View Status	Public	Platform	MAME (Self-compiled)
Assigned To	hap	Resolution	Fixed	OS	Windows XP
Status [?]	Resolved			Driver	jaleco/homerun.cpp
Version	0.154	Fixed in Version	0.155	Build	Normal
		Fixed in Git Commit		Github Pull Request #

Summary	05644: ganjaja: Line glitches at top of screen
Description	There were line glitches at the top of Ganbare screen since MAME 0.147u1 (r18026). The problematic change was in video\homerun.c (see picture). If you change it back to 16 the line glitches disappears.
Steps To Reproduce
Additional Information	MAME Revision: 18026 Author: hap Considering the sprite hw is like on NES, IN0 d6 looks like it is sprite-0 collision detection. ---- Modified : /trunk/src/mame/drivers/homerun.c Modified : /trunk/src/mame/includes/homerun.h Modified : /trunk/src/mame/video/homerun.c
Github Commit

Flags
Regression Version	0.147u1
Affected Sets / Systems	ganjaja

Attached Files	ganjaja-MAME 0.154.gif (20,102 bytes) Jul 26, 2014, 23:53 Uploaded by M.A.S.H.
Attached Files	ganjaja-video_driver.png (22,397 bytes) Jul 26, 2014, 23:54 Uploaded by M.A.S.H.

No.10873 hap Developer Jul 28, 2014, 14:55 edited on: Jul 28, 2014, 14:56	I'm pretty sure i base sprite Y value from pics from pcb footage. It's either same like this on pcb, or (more likely IMO) sprites do not wraparound, this happens on NES too.