x64 C++ Assembly Hack to insert values into a register

RegistersHack.cpp

// Remember to extern those in a .h file
namespace RegisterHacks {
    
	MoveFromRCX* MoveToRAX;
	MoveFromRCX* MoveToRBX;
	MoveFromRCX* MoveToRCX;
	MoveFromRCX* MoveToRDX;
	MoveFromRCX* MoveToR8;
	MoveFromRCX* MoveToR9;
	MoveFromRCX* MoveToR10;
	MoveFromRCX* MoveToR11;
	MoveFromRCX* MoveToR12;
	MoveFromRCX* MoveToR13;
	MoveFromRCX* MoveToR14;
	MoveFromRCX* MoveToR15;

	void RegisterHacks::EnableRegisterHacks()
	{
		uint8_t* CallSpace = new uint8_t[4*12 + 1]; // 12 is registers count, 1 is ret
		DWORD oldProtect;
		VirtualProtect(CallSpace, 4*12 + 1, PAGE_EXECUTE_READWRITE, &oldProtect);

		uint32_t ASMs[] = {
			0xC3C88948, // RAX
			0xC3CB8948,
			0xC3C98948,
			0xC3CA8948,
			0xC3C88949, // R8
			0xC3C98949,
			0xC3CA8949,
			0xC3CB8949,
			0xC3CC8949,
			0xC3CD8949,
			0xC3CE8949,
			0xC3CF8949,
		};

		MoveFromRCX** Funcs[] = {
			&MoveToRAX,
			&MoveToRBX,
			&MoveToRCX,
			&MoveToRDX,
			&MoveToR8,
			&MoveToR9,
			&MoveToR10,
			&MoveToR11,
			&MoveToR12,
			&MoveToR13,
			&MoveToR14,
			&MoveToR15,
		};

		for (uint8_t i = 0; i < 12; i++)
		{
			uint8_t* addr = CallSpace + (i * 4);
			memcpy(CallSpace + (i * 4), ASMs + i, 4);
			*Funcs[i] = (MoveFromRCX*)addr;
		}
	}
}