kolibrios/programs/cmm/BrainFuck/brainfuck.c

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/*
* Author Pavel Iakovlev
*/
#define MEMSIZE 4096*10
#include "../lib/io.h"
#include "../lib/obj/console.h"
#define bufferSize 10000;
#define memoryBrainfuck 30000
#define memoryByteBF 1
#define stackBrainFuck 4*1024
dword buffer = 0;
word bufferSymbol = 0;
dword memory = 0;
byte initConsole = 0;
dword stack = 0;
void consoleInit()
{
IF(!initConsole)
{
load_dll(libConsole, #con_init, 0);
con_init stdcall (-1, -1, -1, -1, "BrainF*ck interpreter");
initConsole = 0xFF;
}
}
void evalBrainFuckCode(dword code)
{
dword offsetMemory = 0;
dword countStack = 0;
dword countOffset = memoryBrainfuck / 2 / memoryByteBF;
offsetMemory = memory;
// clear memory
EBX = memoryBrainfuck;
offsetMemory = memory;
WHILE(EBX)
{
EBX--;
DSBYTE[offsetMemory] = 0;
offsetMemory++;
}
//--------
offsetMemory = memory + countOffset;
countStack = stack;
WHILE(1)
{
switch(DSBYTE[code])
{
case '+':
DSBYTE[offsetMemory]++;
break;
case '-':
DSBYTE[offsetMemory]--;
break;
case '[':
DSDWORD[countStack] = code;
countStack += 4;
break;
case ']':
IF (DSBYTE[offsetMemory]) code = DSDWORD[countStack - 4];
ELSE countStack -= 4;
break;
case ',':
consoleInit();
con_getch stdcall();
DSBYTE[offsetMemory] = AL;
break;
case '.':
consoleInit();
DSBYTE[#bufferSymbol] = DSBYTE[offsetMemory];
con_printf stdcall (#bufferSymbol);
break;
case '>':
offsetMemory++;
break;
case '<':
offsetMemory--;
break;
case 0:
return;
break;
}
code++;
}
}
void main()
{
dword brainFuckCode = 0;
buffer = malloc(bufferSize);
memory = malloc(memoryBrainfuck);
stack = malloc(stackBrainFuck);
IF(DSBYTE[I_Param])
{
IF(io.read(I_Param)) evalBrainFuckCode(EAX);
}
ELSE
{
consoleInit();
con_printf stdcall ("BrainF*ck interpreter v1.01\r\n");
loop()
{
con_printf stdcall ("\r\nEnter BrainF*ck code:\r\n");
con_gets stdcall(buffer, bufferSize);
evalBrainFuckCode(EAX);
con_printf stdcall ("\r\nOutput BrainF*ck:\r\n");
}
}
ExitProcess();
IF(initConsole) con_exit stdcall (0);
}