/// <summary>
/// 比较指令，比较两个寄存器或常量表里的值，分别由b和c指定，如果比较结果和a操作数相同，则跳过下一条指令。比较指令不更改寄存器状态
/// </summary>
/// <param name="i"></param>
public void Compare(Instruction i, TokenType opType)
{
int a = 0, b = 0, c = 0;
i.ABC(ref a, ref b, ref c);
luaState.GetRK(b + 1);
luaState.GetRK(c + c);
var result = luaState.Compare(-2, -1, opType);
bool aBool = false;
if (a == 1)
{
aBool = true;
}
if ((bool)result.OValue == aBool)
{
luaState.AddPC();
}
}
