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gen: fix dumb bug with sprite masking... fixes sprites showing up in WINDOW in many games where theyre not supposed to

This commit is contained in:
beirich 2012-09-04 02:56:53 +00:00
parent 25e213f157
commit 2ef33fbfec
2 changed files with 8 additions and 6 deletions
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5
BizHawk.Emulation/Consoles/Sega/Genesis/Compat.txt
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@ -11,7 +11,7 @@ GAMES:
Ahhh! Real monsters - no sound
Adventures of Mighty Max - crashes memory mapper
Air Diver - palette issue - suffer from lack of 2cell vscroll
Air Diver - suffer from lack of 2cell vscroll
Alien Storm.... gfx glitches. control glitches?
Altered Beast: start with 0 health, 0 lives???
Another World .. broken.. (E) tho
@ -45,6 +45,7 @@ Final Blow - Music messed up
Fire Shark - Messed up sound
Flavio's Raster FX Test.. doesnt work
Foreman for Real doent boot
Galaxy Force II - minor gfx corruption now...
Garfield... immediate gfx corruption. debug target.
Gargoyles... gameplay is nonfunctional
Gauntlet 4 .. title screen messed. gfx corruption. immediately - debug target.
@ -56,6 +57,7 @@ Insector X .. title screen gfx issue
James Pond 3 crash in intro
Jim Power - gfx glitches
Jurassic Park 2 - crashes in intro
Landstalker - Sprite masking on bottom is too high on the screen...
Lemmings: Sound is royally effed... gfx glitches.
Marvel Land .. holy shit thats psychadelic
Mega Bomberman....gfx glitches title screen
@ -86,7 +88,6 @@ Truxton - Sound is jaaaacked.
Verytex - gfx issues
World of Illusion doesnt boot
Zero Tolerance - gfx bugs that didnt used to happen :(
Zombies At My Neighbors: doesnt boot really
Zoop doesnt boot

9
BizHawk.Emulation/Consoles/Sega/Genesis/GenVDP.Render.cs
View File

@ -244,11 +244,12 @@ namespace BizHawk.Emulation.Consoles.Sega
{
if (sprite.Y > ScanLine || sprite.Y+sprite.HeightPixels <= ScanLine)
goto nextSprite;
if (sprite.X + sprite.WidthPixels <= 0)
if (sprite.X == -127) // masking code is not super tested
break; // TODO does masking mode 2 really exist?
if (sprite.X + sprite.WidthPixels <= 0)
goto nextSprite;
if (sprite.X == -128)
throw new Exception("bleeeh"); // masking code is not really tested
//break; // TODO this satisfies masking mode 1 but not masking mode 2
if (sprite.HeightCells == 2)
sprite.HeightCells = 2;