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Brainfuck.cpp
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Brainfuck.cpp
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/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
#include "Brainfuck.h"
void Brainfuck::clearScreen() {
#ifdef OS_WINDOWS
system("CLS");
#else
system("clear");
#endif
}
void Brainfuck::interpretCode(char* code) {
char tape[30000] = {1};
int loop;
char *codePtr = code;
char *tapePtr = tape;
while (*tapePtr) ++tapePtr;
cout << "\n\n\n";
while (*codePtr) {
switch (*codePtr) {
case '>':
tapePtr++;
break;
case '<':
tapePtr--;
break;
case '+':
(*tapePtr)++;
break;
case '-':
(*tapePtr)--;
break;
case '.':
cout << *tapePtr;
break;
case ',':
cin >> *tapePtr;
break;
case '[':
loop = 1;
if (*tapePtr == '\0') {
do {
codePtr++;
if (*codePtr == '[') loop++;
else if (*codePtr == ']') loop--;
} while (loop != 0);
}
break;
case ']':
loop = 0;
do {
if (*codePtr == '[') loop++;
else if (*codePtr == ']') loop--;
codePtr--;
} while (loop != 0);
break;
case '#':
cout << "Current Instruction :" << --(*codePtr) << endl;
++(*codePtr);
break;
case '$':
cout << "Current Cell Address :" << tapePtr << endl;
break;
}
++codePtr;
}
cout << "\n\n\n";
delete codePtr;
delete tapePtr;
}