掉爆子脑

掉爆子脑 is an Esolang that designed and implemented by PSTF.

It is reversed version of 脑子爆掉.

Command Table

This Esolang            脑子爆掉            Brainfuck
右                      左                  <
左                      右                  >
下                      上                  ^
上                      下                  v
写                      读                  ,
读                      写                  .
终                      始                  [
始                      终                  ]

Example

Cat program

写终读写始

Interpreters

import sys
def nzbd(code):
    s=[]
    matches={}
    tape=[0]*1000000
    for i,j in enumerate(code):
        if j=='终':
            s.append(i)
        if j=='始':
            m=s.pop()
            matches[m]=i
            matches[i]=m
    cp=0
    p=0
    while cp<len(code):
        if code[cp]=='上':
            tape[p]=(tape[p]-1)%256
        if code[cp]=='下':
            tape[p]=(tape[p]+1)%256
        if code[cp]=='读':
            print(chr(tape[p]),end='')
        if code[cp]=='写':
            c=sys.stdin.read(1)
            tape[p]=(ord(c) if c else 0)%256
        if code[cp]=='左':
            p+=1
        if code[cp]=='右':
            p-=1
        if code[cp]=='始':
            if tape[p]:
                cp=matches[cp]
        if code[cp]=='终':
            if not tape[p]:
                cp=matches[cp]
        cp+=1
nzbd(sys.stdin.read())