Rule:SlideConstruct

@RULE SlideConstruct

Universal Construction and Computation within 4 states. Uses a Moore neighborhood.

@TABLE n_states:4 neighborhood:Moore symmetries:rotate4reflect var a = {0,1,2,3} var b = a var c = a var d = a var e = a var f = a var g = a var h = a var p = {0,3} var q = p var r = p var s = p var t = p

1. Retract

3,2,2,0,0,0,a,3,0,2

1. Turn

1,2,3,2,a,b,c,0,0,3 2,1,2,3,0,0,0,0,0,3

1. Build

0,0,1,3,1,0,p,q,r,1 3,p,2,1,2,q,r,s,t,2 0,p,2,1,2,q,r,s,t,3

1. Extend

0,3,0,2,2,3,1,0,0,3

1. Gate

0,3,1,3,a,3,b,c,d,2 0,0,3,3,0,1,2,0,a,2 0,a,3,3,1,1,3,3,3,2 0,3,1,2,a,b,c,d,e,2

1. Propagation

0,a,3,3,a,1,b,c,d,1 0,3,3,1,a,b,c,d,e,1 0,a,3,3,1,b,c,d,e,1 0,1,3,a,b,c,d,e,0,2 0,1,3,a,b,c,d,e,2,2 1,a,b,c,d,e,f,g,h,2 2,a,b,c,d,e,f,g,h,0

1. Photon?

0,1,1,0,a,b,c,0,1,0 0,1,1,0,a,b,c,0,d,1

@COLORS 0 0 0 0 1 255 255 0 2 0 0 255 3 255 255 255