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author Ted Green <tedgreen99@protonmail.com>2017-09-11 09:50:25 -0600
committer Ted Green <tedgreen99@protonmail.com>2017-09-11 09:51:09 -0600
commit1656785386755442c7e2b7b06f3f66bdbb67d94d (patch)
treea6cecbf02c0360e565e3340908108b1f9bdaf5ec
parenta7a5d146933620f59fcd544d846c40d1f6fcc7e2 (diff)
voodoo: Change 2x2 dither matrix values. Allows iteagle power-on video memory tests to pass. (nw)
-rw-r--r--src/devices/video/voodoo.h17
1 files changed, 12 insertions, 5 deletions
diff --git a/src/devices/video/voodoo.h b/src/devices/video/voodoo.h
index 5b90ba5f947..87a3127b98d 100644
--- a/src/devices/video/voodoo.h
+++ b/src/devices/video/voodoo.h
@@ -1019,16 +1019,23 @@ static const uint8_t dither_matrix_4x4[16] =
15, 7, 13, 5
};
+//static const uint8_t dither_matrix_2x2[16] =
+//{
+// 2, 10, 2, 10,
+// 14, 6, 14, 6,
+// 2, 10, 2, 10,
+// 14, 6, 14, 6
+//};
+// Using this matrix allows iteagle video memory tests to pass
static const uint8_t dither_matrix_2x2[16] =
{
- 2, 10, 2, 10,
- 14, 6, 14, 6,
- 2, 10, 2, 10,
- 14, 6, 14, 6
+ 8, 10, 8, 10,
+ 11, 9, 11, 9,
+ 8, 10, 8, 10,
+ 11, 9, 11, 9
};
-
/*************************************
*
* Macros for extracting pixels