Talk:Sansism

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[edit] Sansism without wire-crossing

How about this, for a proof that Sansism is Turing-complete even if wire-crossing is banned (much like Archway2): The proof is by showing that wire-crossing-less Sansism can emulate Brainfuck. The following equivalences are as usual: 

+ +
- -
, ,
. .
> !
< ##!##

[ and ] need special treatment. The following equivalences are used: 

   G1
[  >*
  *G2

  1G
] *G>*
    -
  2+G

The * symbols indicate where the code enters and exits each block. The 1 and 2 have to be on corresponding rows; they can be moved up or down to allow for inner loops. A > is placed right at the start of the program. For instance, the (pointless) Brainfuck program +[-[>]-]+ becomes: 

  G      G
    G G
    >!G>-G>+
       -  -
  >-G +G
>+G      +G

which contains no wire-crossings. (The program slopes gradually from bottom-left to top-right). --ais523 12:43, 22 May 2006 (UTC)

Interesting, but please, the wiki is really not a discussion board. We were using it that way before, but it sucked. Tell the forum about this matter. --Graue 02:02, 24 May 2006 (UTC)
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