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tia.c: Prevent Nans. (nw)

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This commit is contained in:
Wilbert Pol 2014-10-31 20:36:13 +01:00
parent 49882329bf
commit 155a056aec
1 changed files with 8 additions and 8 deletions
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16
src/mame/video/tia.c
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@ -269,14 +269,14 @@ Phase Shift 26.2
double G = Y - 0.272 * I - 0.647 * Q;
double B = Y - 1.106 * I + 1.703 * Q;
R = pow(R, 0.9) / pow(1, 0.9);
G = pow(G, 0.9) / pow(1, 0.9);
B = pow(B, 0.9) / pow(1, 0.9);
if (R < 0) R = 0;
if (G < 0) G = 0;
if (B < 0) B = 0;
R = pow(R, 0.9);
G = pow(G, 0.9);
B = pow(B, 0.9);
if (R > 1) R = 1;
if (G > 1) G = 1;
if (B > 1) B = 1;
@ -328,14 +328,14 @@ PALETTE_INIT_MEMBER(tia_pal_video_device, tia_pal)
double G = Y - 0.344 * U - 0.714 * V;
double B = Y + 1.770 * U;
R = pow(R, 1.2) / pow(1, 1.2);
G = pow(G, 1.2) / pow(1, 1.2);
B = pow(B, 1.2) / pow(1, 1.2);
if (R < 0) R = 0;
if (G < 0) G = 0;
if (B < 0) B = 0;
R = pow(R, 1.2);
G = pow(G, 1.2);
B = pow(B, 1.2);
if (R > 1) R = 1;
if (G > 1) G = 1;
if (B > 1) B = 1;