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NES Debugger: implemented poor disassembler

This commit is contained in:
taotao54321 2012-03-10 17:54:58 +00:00
parent 8ae543bb14
commit bd5f1b3135
1 changed files with 55 additions and 0 deletions
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55
BizHawk.MultiClient/NEStools/NESDebugger.cs
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@ -6,13 +6,22 @@ using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using BizHawk.Emulation.Consoles.Nintendo;
namespace BizHawk.MultiClient
{
public partial class NESDebugger : Form
{
const int ADDR_MAX = 0xFFFF;
const int DISASM_LINE_COUNT = 100;
int defaultWidth; //For saving the default size of the dialog, so the user can restore if desired
int defaultHeight;
NES Nes;
int pc;
int addr;
List<string> lines = new List<string>();
public NESDebugger()
{
@ -20,17 +29,54 @@ namespace BizHawk.MultiClient
DebugView.QueryItemText += new QueryItemTextHandler(DebugView_QueryItemText);
DebugView.QueryItemBkColor += new QueryItemBkColorHandler(DebugView_QueryItemBkColor);
DebugView.VirtualMode = true;
DebugView.ItemCount = ADDR_MAX + 1;
Activated += (o, e) => UpdateValues();
Closing += (o, e) => SaveConfigSettings();
}
public void Restart()
{
if (!(Global.Emulator is NES)) this.Close();
if (!this.IsHandleCreated || this.IsDisposed) return;
Nes = Global.Emulator as NES;
}
public void UpdateValues()
{
if (!this.IsHandleCreated || this.IsDisposed) return;
addr = pc = Nes.cpu.PC;
UpdateDebugView();
}
private void UpdateDebugView()
{
DebugView.BlazingFast = true;
Disasm(DISASM_LINE_COUNT);
DebugView.ensureVisible(0xFFFF);
DebugView.ensureVisible(pc);
DebugView.Refresh();
DebugView.BlazingFast = false;
}
private void Disasm(int line_count)
{
lines.Clear();
int a = addr;
for (int i = 0; i < line_count; ++i)
{
int advance;
string line = Nes.cpu.Disassemble((ushort)a, out advance);
lines.Add(line);
a += advance;
if (a > ADDR_MAX) break;
}
}
private void NESDebugger_Load(object sender, EventArgs e)
{
LoadConfigSettings();
Nes = Global.Emulator as NES;
}
private void LoadConfigSettings()
@ -63,6 +109,15 @@ namespace BizHawk.MultiClient
void DebugView_QueryItemText(int index, int column, out string text)
{
text = "";
if (column == 0)
{
text = String.Format("{0:X4}", index);
}
else if (column == 1)
{
if (addr <= index && index < addr+lines.Count)
text = lines[index-addr];
}
}
private void exitToolStripMenuItem_Click(object sender, EventArgs e)