// Grab noise texture,
// modulate biased version by vtx color 0,
// add to vtx color 1

ps.1.1

tex     t0;
tex     t1;

add     r0.rgb, t0_bias, t1_bias;
+add    r0.a, t0, t1;
//mov       r0, t1_bias;
mad     r0.rgb, r0, v0, v1;
//mov r0, v1;