- top[48] = ((a << 3) - d1 + rnd1) >> 3;
- top[56] = ((b << 3) - d2 + rnd2) >> 3;
- bottom[0] = ((c << 3) + d2 + rnd1) >> 3;
- bottom[8] = ((d << 3) + d1 + rnd2) >> 3;
+ top[48] = ((a * 8) - d1 + rnd1) >> 3;
+ top[56] = ((b * 8) - d2 + rnd2) >> 3;
+ bottom[0] = ((c * 8) + d2 + rnd1) >> 3;
+ bottom[8] = ((d * 8) + d1 + rnd2) >> 3;