EverybodyLang

Add any command you want! (Don't forget updating the implementation!)

Commands

Original commands

Original commands

Command	Meaning
H	Prints Hello world
Q	Prints "Q"
9	Prints 99 bottles of beer
+	Increment current memory cell
-	Decrement current memory cell
<	Move the pointer left
>	Move the pointer right
,	Get user input as ASCII/Unicode and store in current memory cell
.	Output value of current memory cell as ASCII/Unicode
;	Get user input as number and store in current memory cell
:	Output value of current memory cell as number

Additional commands

Additional commands

Command	Meaning
0	Clear current memory cell
q	Prints the code
'	Prints the program counter as number
"	Prints the program counter as ASCII/Unicode
#	Set current memory cell to 1 if it is greater than 0, and 0 otherwise
{	Ignore commands until matching }. Also used as a parameter for some other commands. (I'm too lazy to judge if there is a matching parenthesis or not)
}	NOP, only used as a target for {
s	Square the current memory cell
/	Divide the current memory cell by 2 (rounded down)
*	Set the current memory cell to a random number between 0 and 255
D	Jump to previous D
(	Jump to corresponding ) if current cell is 0
)	NOP, only used as a target for (
[	Jump to corresponding ] if current cell is 0
]	Jump back to corresponding [ if current cell is NOT 0
@	Set the current cell to the value in the cell pointed by the current cell's value
={x}	set current memory cell to x (a number)
(space)	NOP, only serves as padding
v	Store value of current memory cell in the register
v{string}	Store the string string in the register
V	Get user input and store it in the register
^	Output the register as a string
e	End the program. All following commands will be ignored.
a	Ignore the next command once unless that command is r. If looped back to this command it will not ignore the next command
á	Ignore the next commands (the amount is the current cell number) once. If looped back to this command it will not ignore the next commands
r	print " are" (with the space) and ignore the next command.
y	Set current memory cell to 30
u	Print "you"
o	Set current memory cell to 999
~	Execute a random valid command other than ~ itself
&	Set current memory cell to NaN

Other information

The tape of memory cells is infinite. There is also a single register that can hold strings.
Dividing by 0 or using invalid parameters in a command raises an error.
Memory cells do not wrap and can go above 255, but setting a memory cell to a negative number is undefined behavior.
Optionally, an implementation may inject the coder with estrogen if it detects an error, but this is not required.

Examples

Hello, world! 1

H

Hello, world! 2

={72}.={101}.={108}..={111}.={44}.={32}.={119}.={111}.={114}.={108}.={100}.

Hello, world! 3

v{Hello, world!}^

Quine 4/Hello world program 4

Hello, world!

Quine 1

Q

Quine 2

you are always valid

Quine 3

q

Quine 4/Hello world program 4

Hello, world!

Looping counter

+{D       "}[->+<                         "]>[-<+>]<+D

Implementation

Assume code is the code.

import collections, random

jumps = {}
prefix = None
curly_brackets = []
capital_d = -1
parentheses = []
square_brackets = []
equals, current_equal = {}, None
for i, j in enumerate(code):
	if prefix == "=":
		if j == "}":
			prefix = None
			jumps[current_equal] = i
		if j.isdigit():
			equals[current_equal] *= 10
			equals[current_equal] += int(j)
		continue
	if j == "{":
		curly_brackets.append(i)
	if j == "}":
		jumps[curly_brackets.pop()] = i
	if j == "D":
		jumps[i], capital_d = capital_d, i
	if j == "(":
		parentheses.append(i)
	if j == ")":
		jumps[parentheses.pop()] = i
	if j == "[":
		square_brackets.append(i)
	if j == "]":
		m = square_brackets.pop()
		jumps[i], jumps[m] = m, i
	if j == "=":
		current_equal = i
		equals[current_equal] = 0
		prefix = "="

def ninety_nine_bottles_of_beer():
	print("99 bottles of beer on the wall, 99 bottles of beer.\nTake one down, pass it around,", end = "")
	for i in range(99,0,-1):
		bottle = "bottles"
		if i == 1: bottle = "bottle"
		print("%d %s of beer on the wall.\n%d %s of beer on the wall, %d %s of beer." % ((i,bottle)*3))
		print("Take one down, pass it around, ", end = "")
	print("no bottles of beer on the wall.\nNo bottles of beer on the wall, no bottles of beer.")
	print("Go to store, buy some more, 99 bottles of beer on the wall!")

mem = collections.defaultdict(int)
memc = 0
pc = 0
while pc < len(code):
	cur = code[pc]
	if cur == "H": print("Hello, world!")
	if cur == "Q": print("Q", end="")
	if cur == "9": ninety_nine_bottles_of_beer()
	if cur == "+": mem[memc] += 1
	if cur == "-": mem[memc] -= 1
	if cur == "<": memc -= 1
	if cur == ">": memc += 1
	if cur == ";": mem[memc] = int(input())
	if cur == ":": print(mem[memc], end="")
	if cur == ",": mem[memc] = ord(int(input()))
	if cur == ".": print(chr(mem[memc]), end="")
	if cur == "0": mem[memc] = 0
	if cur == "q": print(code, end="")
	if cur == "'": print(pc, end="")
	if cur == '"': print(chr(pc), end="")
	if cur == "#": mem[memc] = 1 if mem.get(memc, 0) > 0 else 0
	if cur == "{": pc = jumps[pc]
	if cur == "s": mem[memc] **= 2
	if cur == "/": mem[memc] //= 2
	if cur == "*": mem[memc] = random.randint(0, 255)
	if cur == "D": pc = jumps[pc]
	if cur == "(" and mem[memc] == 0: pc = jumps[pc]
	if cur == "[" and mem[memc] == 0: pc = jumps[pc]
	if cur == "]" and mem[memc] != 0: pc = jumps[pc]
	if cur == "@": mem[memc] = mem[mem[memc]]
	if cur == "=": mem[memc], pc = equals[pc], jumps[pc]

	pc += 1