Viewing Issue Advanced Details
ID Category [?] Severity [?] Reproducibility Date Submitted Last Update
07099 Color/Palette Minor Always Sep 10, 2018, 14:28 Nov 16, 2018, 16:58
Tester MetalGod View Status Public Platform MAME (Official Binary)
Assigned To Resolution Open OS Windows Vista/7/8 (64-bit)
Status [?] Confirmed Driver namcona1.cpp
Version 0.201 Fixed in Version Build 64-bit
Summary 07099: fghtatck, fa: Big dark red lines at the top-bottom of the screen and wrongly coloured transition screens.
Description Big dark red lines at the top-bottom of the screen and wrongly coloured transition screens.
During screen transitions the whole screen is dark red. It looks like this lines were intended to be black instead.
It happens since MAME 0.195
Steps To Reproduce
Additional Information
Flags Verified with Original, Noted in Source
Regression Version 0.195
Affected Sets / Systems fghtatck, fa
Attached Files
png file icon test1.PNG (215,905 bytes) Sep 10, 2018, 14:28 Uploaded by MetalGod
related to 07155Confirmed knckhead, exvania, cgangpzl, tinklpit, emeraldia: Wrongly coloured transition screens and vertical lines on the sides in some namcona1.cpp games 
User avatar
Senior Tester
Sep 10, 2018, 23:07
edited on: Sep 10, 2018, 23:08
this kind of thing is perfectly normal for a lot of games, since the operator would be expected to stretch it off-screen the developers rarely cared.

50/50 chance of it being an actual bug or intentional behaviour I'd say.
User avatar
Senior Tester
Sep 11, 2018, 01:03
namcona1.cpp: Added dynamic screen visible area change effect, used mostly by Numan Athletics on transitions [Angelo Salese]

This dynamic screen visible area change looks ugly and could certainly be programmed without stripes!
User avatar
Senior Tester
Sep 11, 2018, 22:09
edited on: Sep 11, 2018, 22:10
It is not only the lines, it is also the transition screens, they are in dark red color instead of black.
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Senior Tester
Sep 12, 2018, 11:15
it's pen 0, so gets displayed where nothing else is.

maybe there's a bg pen register to specify a different pen, if it were just the bars I'd say not a bug, but yeah, the fullscreen transitions look rather wrong.
User avatar
Oct 20, 2018, 13:14
edited on: Oct 20, 2018, 13:17

Should be black. What's annoying is that X-Day 2 uses the background color for the flame effects, pretty likely there must be an unemulated behaviour there.
The stripes dimension is correct anyway, it's really intended to cut off one line at top/bottom as proven by the video.
(Also all of this is noted in source anyway)
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Senior Tester
Nov 16, 2018, 16:58
well background colour is also contained within clipping area I guess, outside clipping area maybe it should force black

there are timing issues with the driver too, as the tilemap scrolls at a slightly different rate towards the right hand side.. overall probably needs some hardware studying.