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 MainWindow_Resize(object sender, EventArgs e)
{
_screenPainter.RecalcGridFontSize = true;
if (Memory != null && (MemOverview?.NeedsRecreating(Height) ?? false))
{
MemOverview = MemOverview.Create(Memory, Height, DisplayMode == DisplayMode.Disassembly ? DisassemblyStartAddress.Value : 0);
}
Invalidate();
}
private void spriteToolStripMenuItem_Click(object sender, EventArgs e)
{
foreach (ToolStripMenuItem item in viewToolStripMenuItem.DropDownItems)
{
item.Checked = false;
}
spriteToolStripMenuItem.Checked = true;
previousByteToolStripMenuItem.Enabled = true;
nextByteToolStripMenuItem.Enabled = true;
DisplayMode = DisplayMode.Sprite;
_screenRenderer = new SpriteScreenRenderer(ScreenCharacterMap.Rows, Characters);
MemOverview = MemOverview.Create(Memory, Height, DisplayMode == DisplayMode.Disassembly ? DisassemblyStartAddress.Value : 0);
RenderScreen();
}
public static MemOverview Create(Memory memory, int actualHeight, int disassembly)
{
_actualHeight = actualHeight;
_disassembly = disassembly;
_bytesPerPixel = GetDivFactorFromHeight(actualHeight);
var x = new MemOverview {
Data = new int[Height]
};
var memIndex = 0;
for (var yIndex = 0; yIndex < Height; yIndex++)
{
var byteSum = 0;
for (var y = 0; y < _bytesPerPixel; y++)
{
byteSum += memory.GetByte((ushort)memIndex);
memIndex++;
}
x.Data[yIndex] = byteSum;
}
x.NormalizeData();
x.CreateBitmap();
return(x);
}
private void MainWindow_Paint(object sender, PaintEventArgs e)
{
_screenPainter.Paint(e.Graphics, Memory, ClientSize, menuStrip1.Height, ScreenCharacterMap.Rows, ScreenCharacterMap.Columns, Characters);
_screenRenderer.DrawGraphics(e.Graphics, Size, Memory, _lastRenderedDisplayPointer);
MemOverview?.Draw(e.Graphics, DisplayPointer.Value, 10, menuStrip1.Height + 10);
}
