private void previousPageToolStripMenuItem_Click(object sender, EventArgs e)
{
switch (DisplayMode)
{
case DisplayMode.Disassembly:
if (DisassemblyStepSize.Count > 0)
{
var step = DisassemblyStepSize.Pop();
if (DisplayPointer.CanDec(step))
{
DisplayPointer.Dec(step);
}
}
break;
default:
if (DisplayPointer.CanDec(StepSize))
{
DisplayPointer.Dec(StepSize);
}
else
{
DisplayPointer.FromInt(0);
}
break;
}
RenderScreen();
}
private void LoadFile(string filename)
{
try
{
var temp = new Memory();
temp.Load(filename, out var start, out _);
Text = $@"C64 Memory Visualizer - {filename}";
Memory = temp;
DisplayPointer.FromInt(start.Value);
DisassemblyStartAddress.FromInt(start.Value);
DisplayMode = DisplayMode.HexRaw;
if (Memory != null)
{
MemOverview = MemOverview.Create(
Memory,
Height,
DisplayMode == DisplayMode.Disassembly ? DisassemblyStartAddress.Value : 0);
}
RenderScreen();
}
catch
{
MessageBox.Show($@"The file ""{filename}"" could not be loaded.",
Text,
MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
}
private void nextByteToolStripMenuItem_Click(object sender, EventArgs e)
{
if (DisplayMode == DisplayMode.Disassembly)
{
return;
}
if (DisplayPointer.CanInc(1))
{
DisplayPointer.Inc(1);
}
RenderScreen();
}
private void previousByteToolStripMenuItem_Click(object sender, EventArgs e)
{
if (DisplayMode == DisplayMode.Disassembly)
{
return;
}
if (DisplayPointer.CanDec(1))
{
DisplayPointer.Dec(1);
}
else
{
DisplayPointer.FromInt(0);
}
RenderScreen();
}
private bool SetDisassemblyStartAddress()
{
using (var x = new PrgStartAddressDialog())
{
x.StartAddress = DisassemblyStartAddress.Value;
if (x.ShowDialog(this) != DialogResult.OK)
{
return(false);
}
DisassemblyStartAddress.FromInt(x.StartAddress);
DisassemblyStepSize.Clear();
DisplayPointer.FromInt(x.StartAddress);
RenderScreen();
return(true);
}
}
private void nextPageToolStripMenuItem_Click(object sender, EventArgs e)
{
switch (DisplayMode)
{
case DisplayMode.Disassembly:
if (LastPerformedDisassemblyStepSize > 0)
{
DisassemblyStepSize.Push(LastPerformedDisassemblyStepSize);
DisplayPointer.Inc(LastPerformedDisassemblyStepSize);
}
break;
default:
if (DisplayPointer.CanInc(StepSize))
{
DisplayPointer.Inc(StepSize);
}
break;
}
RenderScreen();
}
private void homeToolStripMenuItem_Click(object sender, EventArgs e)
{
DisplayPointer.FromInt(DisplayMode == DisplayMode.Disassembly ? DisassemblyStartAddress.Value : 0);
RenderScreen();
}
