tommyaweosme's harmonica

tommyaweosme's harmonica is a programming language designed by user:tommyaweosme where every command is playable on his harmonica

every note is a variable, and some notes are commands.

commands

1B XX - declares a variable XX and sets it to 0
1D XX - prints a variable XX to the screen
2B XX - increments a variable XX
2D XX - decrements a variable XX
3B XX YY - repeat the following code until 3D until a variable XX is equal to a variable YY
3D - look at 3B's definition
4B - ends the program
4D XX - puts users input into a variable XX
5B XX YY - swaps the content of two variables XX and YY
5D XX YY - sets a variable XX to a variable YY
6B XX YY - does the following code until 6D if a variable XX is equal to a variable YY
6D - look at 6B's definition
7B to 9D - absurdly high note, definitions may vary per interpreter

69

1B 1B
2B 1B
2B 1B
2B 1B
1B 9D
1B 1D
3B 1B 9D
    2B 1D 2B 1D 2B 1D 2B 1D
    2B 1D 2B 1D 2B 1D 2B 1D
    2D 1B
3D
2D 1D
3B 1D 9D
    2B 1B 2B 1B 2B 1B
    2D 1D
3D
1D 1B

turing-completeness proof

3B 3D is []

2B 2D is +-

the different variables make this a variant of brainfuck where there are a limited number of unlimited cells. still turing-complete tho.

trivia

this esolang has it's name cus tommyaweosme got a harmonica on the very day this esolang was created (5/23/25)