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fixed colortable creation (01880: All sets in mrdo.c: Color Regression)

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fixed diode voltage drop value which caused apples to be orange instead of red-orange. The title screen now perfectly matches http://www.flickr.com/photos/arecee/2384126902/sizes/l/ including the logo outline.
This commit is contained in:
Nicola Salmoria 2008-06-08 08:16:00 +00:00
parent 12ee107795
commit 9bfce7efe9
1 changed files with 6 additions and 6 deletions
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12
src/mame/video/mrdo.c
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@ -54,10 +54,10 @@ PALETTE_INIT( mrdo )
const int R2 = 120;
const int R3 = 100;
const int R4 = 75;
const int pull = 200;
const int pull = 220;
float pot[16];
int weight[16];
const float potadjust = 0.2f; /* diode voltage drop */
const float potadjust = 0.7f; /* diode voltage drop */
for (i = 0x0f; i >= 0; i--)
{
@ -86,7 +86,7 @@ PALETTE_INIT( mrdo )
int bits0, bits2;
int r, g, b;
a1 = ((i >> 3) & 0x1c) + (i & 0x03) + 32;
a1 = ((i >> 3) & 0x1c) + (i & 0x03) + 0x20;
a2 = ((i >> 0) & 0x1c) + (i & 0x03);
/* red component */
@ -120,11 +120,11 @@ PALETTE_INIT( mrdo )
UINT8 ctabentry = color_prom[(i - 0x100) & 0x1f];
if ((i - 0x100) & 0x20)
ctabentry = ctabentry >> 4; /* high 4 bits are for sprite color n + 8 */
ctabentry >>= 4; /* high 4 bits are for sprite color n + 8 */
else
ctabentry = ctabentry & 0x0f; /* low 4 bits are for sprite color n */
ctabentry &= 0x0f; /* low 4 bits are for sprite color n */
colortable_entry_set_value(machine->colortable, i, ctabentry);
colortable_entry_set_value(machine->colortable, i, ctabentry + ((ctabentry & 0x0c) << 3));
}
}