// TODO: Switch to builder pattern.
public void Register(ushort address, IMemorySource source)
{
Asserts.True(source.Size > 0,
$"Source at {ByteFormatter.ToHex16(address)} is empty!");
Asserts.True(address + source.Size <= this.Size,
$"Source at {ByteFormatter.ToHex16(address)} hangs off right end of mapper!");
Asserts.True(address + source.Size <= this.Size,
$"Source at {ByteFormatter.ToHex16(address)} hangs off right end of mapper!");
var newStartAddress = address;
var newEndAddress = newStartAddress + (source.Size - 1);
foreach (var existingKvp in this.sourcesBuilder_)
{
var existingStartAddress = existingKvp.Key;
var existingEndAddress =
existingStartAddress + (existingKvp.Value.Size - 1);
if (newStartAddress <= existingEndAddress &&
newEndAddress >= existingStartAddress)
{
Assert.Fail(
$"New source at {ByteFormatter.ToHex16(address)} intersects with old source!");
}
}
this.sourcesBuilder_.Add(address,
new MemoryMapperSource(address, source));
}
public byte this[ushort address] {
get {
var source = this.At_(address);
if (source == null)
{
Asserts.Fail(
$"Expected source at {ByteFormatter.ToHex16(address)} to be nonnull!");
}
var relativeAddress = (ushort)(address - source !.Address);
return(source[relativeAddress]);
}
set {
var source = this.At_(address);
if (source == null)
{
Asserts.Fail(
$"Expected source at {ByteFormatter.ToHex16(address)} to be nonnull!");
}
var relativeAddress = (ushort)(address - source !.Address);
source[relativeAddress] = value;
}
}
private void RenderForOrthographicCamera_(
RenderForOrthographicCameraTickEvent evt)
{
var g = evt.Graphics;
this.RenderLcd_(g);
g.Primitives.VertexColor(Color.White);
var registers = this.mmu_.Registers;
var memoryMap = this.mmu_.MemoryMap;
var ioAddresses = memoryMap.IoAddresses;
var lX = 202;
var bY = 145;
var t = g.Text;
var i = 0;
t.Draw(lX,
20 * i++,
16,
16,
"pc: " + ByteFormatter.ToHex16(registers.Pc.Value));
i++;
t.Draw(lX,
20 * i++,
16,
16,
"af: " + ByteFormatter.ToHex16(registers.Af.Value));
t.Draw(lX,
20 * i++,
16,
16,
"bc: " + ByteFormatter.ToHex16(registers.Bc.Value));
t.Draw(lX,
20 * i++,
16,
16,
"de: " + ByteFormatter.ToHex16(registers.De.Value));
t.Draw(lX,
20 * i++,
16,
16,
"hl: " + ByteFormatter.ToHex16(registers.Hl.Value));
i++;
lX = 320;
i = 0;
t.Draw(lX,
20 * i++,
16,
16,
"ppu: " + ByteFormatter.ToHex8((byte)this.cpu_.PpuMode));
t.Draw(lX,
20 * i++,
16,
16,
"ly: " +
ByteFormatter.ToHex8(this.mmu_.MemoryMap.IoAddresses.Ly.Value));
t.Draw(lX,
20 * i++,
16,
16,
"dma: " +
ByteFormatter.ToHex16(this.mmu_.MemoryMap.IoAddresses
.LastDmaAddress));
t.Draw(lX,
20 * i++,
16,
16,
ByteFormatter.ToHex8(ioAddresses.Lcdc.Value));
t.Draw(lX,
20 * i++,
16,
16,
ByteFormatter.ToHex8(this.cpu_.ScanlineLcdc));
var oam = memoryMap.Oam;
for (i = 0; i < 40; i++)
{
var oamAddress = (ushort)(i * 4);
var y = (byte)(oam[oamAddress] - 16);
var x = (byte)(oam[(ushort)(oamAddress + 1)] - 8);
var nPerRow = 7;
var c = i % nPerRow;
var r = (i - c) / nPerRow;
t.Draw(c * 90,
bY + r * 20,
16,
16,
"(" +
ByteFormatter.ToHex8(x) +
", " +
ByteFormatter.ToHex8(y) +
")");
}
}