/// <summary>
/// if R(A + 1) != null
/// R(A) = R(A + 1); pc += sBx
/// </summary>
public static void TForLoop(Instruction ins, ILuaVM vm)
{
ins.AsBx(out var a, out var sbx);
a += 1;
if (!vm.IsNil(a + 1))
{
vm.Copy(a + 1, a);
vm.AddPC(sbx);
}
}
internal static void TForLoop(Instruction i, ILuaVM vm)
{
var(a, sBx) = i.AsBx();
a += 1;
if (!vm.IsNil(a + 1))
{
vm.Copy(a + 1, a);
vm.AddPC(sBx);
}
}