We are currently working on new rules for what content should and shouldn't be allowed on this website, and are looking for feedback! See Esolang:2026 topicality proposal to view and give feedback on the current draft.
Unsquare
Jump to navigation
Jump to search
Unsquare was named after Dave Brubeck's Unsquare Dance. Unsquare Dance is unusual in rhythm, and so is the esolang.
Instructions
| Command | Meaning |
|---|---|
| O | Push 0. |
| I | Push 1. |
| A | Pop the top of the stack into the accumulator. |
| S | Swap the top 2 items of the stack. |
| + | Add 2 to the accumulator. |
| - | Subtract 2 from the accumulator. |
| x | Multiply the accumulator by 2 |
| P | Push the accumulator. |
| o | Output the top of the stack. (Note: This does not discard the top of the stack.) |
| i | Wait for user input, then push it onto the stack. |
| > | If the accumulator is 0 or 1, jump to the corresponding <. |
| < | If the accumulator is not 0 nor 1, jump to the corresponding >. |
Examples
Hello, world!
Note: This was made before multiplication.
OA++++++++++++++++++++++++++++++++++++oIA++++++++++++++++++++++++++++++++++++++++++++++++++oOA+++++++++++++++++++++++++++++++++++++++++++++++++++ooIA++++++++++++++++++++++++++++++++++++++++++++++++++++oOA++++++++++++++++++++++o------oIA+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++o----oOA+++++++++++++++++++++++++++++++++++++++++++++++++++++++++o---o----o
Cat program
iA>PoiA<
Truth-machine
ioAx>Io<
Implementations
A Ruby interpreter and x86 assembly compiler (written in Python) by User:Bangyen.