forked from KolibriOS/kolibrios
126 lines
2.2 KiB
C
126 lines
2.2 KiB
C
/*
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* Author Pavel Iakovlev
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*/
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#define MEMSIZE 4096*10
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#include "../lib/io.h"
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#include "../lib/obj/console.h"
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#define bufferSize 10000;
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#define memoryBrainfuck 30000
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#define memoryByteBF 1
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#define stackBrainFuck 4*1024
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dword buffer = 0;
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word bufferSymbol = 0;
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dword memory = 0;
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byte initConsole = 0;
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dword stack = 0;
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void consoleInit()
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{
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IF(!initConsole)
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{
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load_dll(libConsole, #con_init, 0);
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con_init stdcall (-1, -1, -1, -1, "BrainF*ck interpreter");
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initConsole = 0xFF;
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}
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}
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void evalBrainFuckCode(dword code)
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{
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dword offsetMemory = 0;
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dword countStack = 0;
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dword countOffset = memoryBrainfuck / 2 / memoryByteBF;
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offsetMemory = memory;
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// clear memory
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EBX = memoryBrainfuck;
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offsetMemory = memory;
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WHILE(EBX)
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{
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EBX--;
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DSBYTE[offsetMemory] = 0;
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offsetMemory++;
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}
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//--------
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offsetMemory = memory + countOffset;
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countStack = stack;
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WHILE(1)
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{
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switch(DSBYTE[code])
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{
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case '+':
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DSBYTE[offsetMemory]++;
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break;
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case '-':
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DSBYTE[offsetMemory]--;
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break;
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case '[':
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DSDWORD[countStack] = code;
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countStack += 4;
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break;
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case ']':
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IF (DSBYTE[offsetMemory]) code = DSDWORD[countStack - 4];
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ELSE countStack -= 4;
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break;
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case ',':
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consoleInit();
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con_getch stdcall();
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DSBYTE[offsetMemory] = AL;
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break;
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case '.':
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consoleInit();
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DSBYTE[#bufferSymbol] = DSBYTE[offsetMemory];
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con_printf stdcall (#bufferSymbol);
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break;
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case '>':
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offsetMemory++;
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break;
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case '<':
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offsetMemory--;
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break;
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case 0:
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return;
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break;
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}
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code++;
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}
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}
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void main()
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{
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dword brainFuckCode = 0;
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word maxLoop = 1000;
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buffer = malloc(bufferSize);
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memory = malloc(memoryBrainfuck);
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stack = malloc(stackBrainFuck);
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IF(DSBYTE[I_Param])
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{
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IF(io.read(I_Param)) evalBrainFuckCode(EAX);
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}
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ELSE
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{
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consoleInit();
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con_printf stdcall ("BrainF*ck interpreter v1.05");
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WHILE(maxLoop)
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{
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con_printf stdcall ("\r\n\r\nEnter code: ");
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con_gets stdcall(buffer, bufferSize);
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brainFuckCode = EAX;
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con_printf stdcall ("Output: ");
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evalBrainFuckCode(brainFuckCode);
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maxLoop--;
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}
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}
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IF(initConsole) con_exit stdcall (0);
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ExitProcess();
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}
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