Twiggery Scripting Language

using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
using AddressingMode = System.Int32;

namespace Twiggery
{
    /// <summary>
    /// ASM infomation display control
    /// </summary>
    public class TwiggeryAsmBox : ListView
    {
        /// <summary>
        /// TVM object
        /// </summary>
        private TVM tvm = null;

        /// <summary>
        /// ASM constructor
        /// </summary>
        public TwiggeryAsmBox()
        {
            Initialize();
            FullRowSelect = true;
        }

        /// <summary>
        /// ASM constructor
        /// </summary>
        /// <param name="vm">TVM object</param>
        public TwiggeryAsmBox(ref TVM vm)
        {
            tvm = vm;
            Initialize();
            FullRowSelect = true;
        }

        /// <summary>
        /// Initialization
        /// </summary>
        /// <param name="vm">TVM object</param>
        public void Initialize(ref TVM vm)
        {
            tvm = vm;
            try
            {
                base.Items.Clear();
                AddressingMode am = TVM.AM_NIL;
                AddressingMode am1 = TVM.AM_NIL;
                AddressingMode am2 = TVM.AM_NIL;
                for (int i = 0; i < tvm.AsmCount; i++)
                {
                    ListViewItem lvi = new ListViewItem();
                    lvi.SubItems.Clear();
                    lvi.SubItems[0].Text = i.ToString();
                    lvi.SubItems.Add(tvm[i].GetType().Name);
                    if (tvm[i].GetType() == typeof(TVM.LAM))
                    {
                        am = (AddressingMode)tvm[i].Operand[0];
                        am1 = TVM.DepartAddressingMode(am, 1);
                        am2 = TVM.DepartAddressingMode(am, 0);

                        lvi.SubItems.Add("0x" + String.Format("{0:X8}", (int)tvm[i].Operand[0]));
                    }
                    else if (tvm[i].GetType() == typeof(TVM.CALL) ||
                        tvm[i].GetType() == typeof(TVM.ARG))
                    {
                        lvi.SubItems.Add(tvm[i].Operand[0].ToString());
                        lvi.SubItems.Add(tvm[i].Operand[1].ToString());
                    }
                    else if (tvm[i].GetType() == typeof(TVM.JMP) ||
                            tvm[i].GetType() == typeof(TVM.JT) ||
                            tvm[i].GetType() == typeof(TVM.JF)||
                            tvm[i].GetType() == typeof(TVM.HAL))
                    {
                        lvi.SubItems.Add(tvm[i].Operand[0].ToString());
                    }
                    else if (tvm[i].Operand != null)
                    {
                        if (tvm[i].Operand.Length >= 1)
                        {
                            string operand = null;
                            switch (am1)
                            {
                                case TVM.AM_RAM:
                                    operand = "[" + tvm[i].Operand[0].ToString() + "]";
                                    break;
                                case TVM.AM_STK:
                                    operand = "[#]";
                                    break;
                                case TVM.AM_IMD:
                                    operand = tvm[i].Operand[0].ToString();
                                    break;
                            }
                            lvi.SubItems.Add(operand);
                        }
                        if (tvm[i].Operand.Length >= 2)
                        {
                            string operand = null;
                            switch (am2)
                            {
                                case TVM.AM_RAM:
                                    operand = "[" + tvm[i].Operand[1].ToString() + "]";
                                    break;
                                case TVM.AM_STK:
                                    operand = "[#]";
                                    break;
                                case TVM.AM_IMD:
                                    operand = tvm[i].Operand[1].ToString();
                                    break;
                            }
                            lvi.SubItems.Add(operand);
                        }
                    }
                    base.Items.Add(lvi);
                }
            }
            catch
            {
            }
        }

        /// <summary>
        /// Initialization
        /// </summary>
        public void Initialize()
        {
            ColumnHeader ch1 = new ColumnHeader();
            ch1.DisplayIndex = 0;
            ch1.Text = "ADD";
            ch1.Width = 50;

            ColumnHeader ch2 = new ColumnHeader();
            ch2.DisplayIndex = 1;
            ch2.Text = "ASM";
            ch2.Width = 50;

            ColumnHeader ch3 = new ColumnHeader();
            ch3.DisplayIndex = 2;
            ch3.Text = "OP1";
            ch3.Width = 90;

            ColumnHeader ch4 = new ColumnHeader();
            ch4.DisplayIndex = 3;
            ch4.Text = "OP2";
            ch4.Width = 60;

            base.Columns.AddRange(new ColumnHeader[] { ch1, ch2, ch3, ch4 });
        }
    }
}