Hello, World! in Befunge

Example for versions befungee 0.2.0

First part of the example pushes the required values on the stack. 25* puts 10 on the stack (ASCII-code of new line), then " toggles string mode, in which each character of the program pushes its ASCII-code on the stack, and finally second " toggles string mode off.

Second part of the example is a loop which prints all values in the stack, starting from the topmost ones. > makes the instruction pointer move right (after the end of iteration). : duplicates the topmost element of the stack (i.e., the current character); due to usage of the bridge # this command is executed only when the instruction pointer moves to the right. , prints the topmost element of the stack; due to the bridge it is executed only when the IP moves to the left. _ allows the IP to pass to @ if the topmost element of the stack is 0 (or the stack is empty) and mirrors it back to moving left otherwise. The order of events within one iteration is:

  • duplicate the topmost element of the stack.
  • check, whether it’s equal to 0; if it is, break the loop. During this check the topmost element is always deleted.
  • print the topmost element of the stack. 
25*"!dlroW ,olleH" >:#,_@