Tack

Tack is an esoteric programming language, with only one symbol: !. Tack was made by User: AmNow.

Commands

In Tack, the ! symbol marks to do the command associated with that cell, if there is no !, then the cell won’t be run. The cell table will loop, and run sequentially e.x.: cell 1 will run if marked, cell 2 will run if marked, etc.

Cell table

1. Push 35
2. Input as a number
3. Input as string
4. ASCII to number
5. Swap
6. Pop
7. Move bottom value up
8. Move top value down
9. Jump to cell top of stack * 27 (NO POP)
10. Divide
11. Subtract
12. Push 2
13. Duplicate
14. Multiply
15. Add
16. Number to ASCII
17. Output
18. End Program.
19. Jump to beginning Marked cells after it are not run.
20. String to number
21. Jump to cell Top of stack * 27 if the value below it is non zero. (NO POP)
22. Equal
23. Logical Negate
24. Less than
25. Greater than
26. Jump to the beginning if the top of the stack is not 0. Marked cells after it are not run.
27. Push 4

Programs

Spam #s

!12345678901234!!1!

Truth machine

1!12345678901!123!1234567890!123456789012345678901!12345678901234567890123456!1234567890123456!12345678!123!123456789012345!123!

Computational class

Tack’s is Turing complete, as multiplicative Minsky machines can be compiled into it.