掩膜图形参考

条件

000

(i+j)mod 2=0

001

i mod 2=0

010

jmod3=0

011

(i+j)mod3=0

100

((idiv2)+(jdiv3))mod2=0

101

(i,j)mod2+(i,j)mod3=0

110

((i,j)mod2+(i,j)mod3)mod2=0

111

((i,j)mod3+(i,j)mod2)mod2=0