20 lines
713 B
Markdown
20 lines
713 B
Markdown
|
# Stupid Worm Languag
|
||
|
|
- program space is an arbitrary sized grid
|
||
|
|
- the worm starts where you place the worm head @
|
||
|
|
- as it passes over commands, they get moved to the back of the worm
|
||
|
|
- values get pushed to stack (eaten) when passed over, worm body length increases
|
||
|
|
- the program gets rearranged every time the worm executes it
|
||
|
|
|
||
|
|
## commands
|
||
|
|
```
|
||
|
|
+- pop 2 values *, push sum/difference (uses the order they are popped, so `0 -` negates the top of the stack)
|
||
|
|
><^v change direction
|
||
|
|
0..9 push number to stack
|
||
|
|
/\ pop stack, reflect to the side if not zero
|
||
|
|
? reads one byte of input
|
||
|
|
= duplicate top of stack
|
||
|
|
! pop and write output as ascii char
|
||
|
|
" pop and write output as number
|
||
|
|
```
|
||
|
|
* pop when stack is empty yields zero
|