private void SelectCurrentOpcode()
{
int index = assemblies.FindIndex(o => o.Address == CPU.Registers.PC);
disassembler.SelectedIndices.Add(index);
disassembler.EnsureVisible(index);
StackView.Invalidate();
StackView.SelectedIndices.Add(65534 - CPU.Registers.SP);
StackView.EnsureVisible(65534 - CPU.Registers.SP);
hexBox1.Invalidate();
}