Данил
99 lines
1.4 KiB
C++
99 lines
1.4 KiB
C++
#pragma once
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#include <iostream>
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enum Type
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{
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Addres,
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Value
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};
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enum Command
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{
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Mov,
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Syscall
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};
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enum Registers
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{
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AX = -1,
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BX = -2,
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CX = -3,
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DX = -4,
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Error = -5
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};
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#pragma region System
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int sizeCode;
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char* MemoryCode;
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int indexCode = 0;
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long long registers[5] = { 0, 0, 0, 0, 0 };
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HMODULE Core;
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#pragma endregion
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static int GetValue()
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{
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char addr = MemoryCode[++indexCode];
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if (addr == Addres)
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{
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addr = MemoryCode[++indexCode];
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if (MemoryCode[++indexCode] > -5)
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{
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registers[4] = 0;
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return registers[MemoryCode[indexCode] - 1];
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}
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else
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{
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registers[4] = -1;
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return 0;
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}
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}
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else
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{
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registers[4] = 0;
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return MemoryCode[++indexCode];
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}
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}
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typedef void (*systemCall)(int);
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systemCall SystemCall;
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void InitVirtual(char* Code, int SizeCode)
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{
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MemoryCode = Code;
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sizeCode = SizeCode;
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Core = LoadLibrary(L"CoreDLL.dll");
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if (Core == nullptr)
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exit(-1);
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SystemCall = (systemCall)GetProcAddress(Core, "SystemCall");
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if (SystemCall == nullptr)
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exit(-3);
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}
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void VirtualStart(char* Code, const int SizeCode)
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{
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InitVirtual(Code, SizeCode);
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while (indexCode < sizeCode)
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{
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char OpCode = MemoryCode[indexCode];
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switch (OpCode)
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{
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case Mov:
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{
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++indexCode;
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int addr = MemoryCode[indexCode];
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int value = GetValue();
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registers[-addr - 1] = value;
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} break;
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case Syscall:
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{
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int systemCall = registers[0];
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SystemCall(systemCall);
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} break;
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}
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++indexCode;
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}
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FreeLibrary(Core);
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}
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