ps_1_1

texkill t0					// t1	// If any of t0.xyz is less than zero, we're culling out this pixel
tex	t1						// t1	// sample the texture
mul	r0.rgb, t1,	v0			// a1	// modulate the texture sample by the diffuse, ambient and shadow color.
mul r1.rgb, c0, v1			// a1	// Fog Color * Scaled Dist from center
mad r0.rgb, r0, 1-v1, r1	// a1	// (Diffuse Color * 1-Dist from Center) + Scaled Fog	
+mov r0.a, t1.a				// a0	// co-issue setting output value to the texture alpha	
// Total Instructions = 2 (texture) + 3 (arithmetic)