public void RLC()
{
cpu = new CPU(mmu, regs);
regs.PC = 0xc000;
regs.SetAllRegs(0x85); //put the test data into memory.
for (int i = 0; i < 8; i++)
{
mmu.wb((ushort)(0xc000 + i), (byte)i); // push the RLC instructions into memory.
}
cpu.Tick(0xcb);
Assert.That(regs.B, Is.EqualTo(0xb));
cpu.Tick(0xcb);
Assert.That(regs.C, Is.EqualTo(0xb));
cpu.Tick(0xcb);
Assert.That(regs.D, Is.EqualTo(0xb));
cpu.Tick(0xcb);
Assert.That(regs.E, Is.EqualTo(0xb));
cpu.Tick(0xcb);
Assert.That(regs.H, Is.EqualTo(0xb));
cpu.Tick(0xcb);
Assert.That(regs.L, Is.EqualTo(0xb));
//the HL register
mmu.wb(0xc150, 0x85);
regs.HL = 0xc150;
cpu.Tick(0xcb);
Assert.That(mmu.rb(0xc150), Is.EqualTo(0xb));
//Finally a register.
cpu.Tick(0xcb);
Assert.That(regs.A, Is.EqualTo(0xb));
}
static void TestPattern()
{
GPU.reset();
GPU._bgon = 1; // turn Background on
GPU._lcdon = 1; // turn LCD on
GPU._winon = 1; // turn Window on
GPU._xscrl = 0;
GPU._yscrl = 0;
// tile pattern tables are 0x8000 => 0x8FFF, or 0x8800 => 0x97FF
// set tile 0 to all 0
for (int i = 0; i < 4; i++)
{
MMU.wb(0x8000 + i, 0); // low bit
MMU.wb(0x8001 + i, 0); // high bit
}
// set tile 1 to all 1
MMU.wb(0x8002, 0xFF); // low bit
MMU.wb(0x8003, 0); // high bit
// set tile 2 to all 2
MMU.wb(0x8004, 0x00); // low bit
MMU.wb(0x8005, 0xFF); // high bit
// set tile 3 to all 3
MMU.wb(0x8004, 0xFF); // low bit
MMU.wb(0x8005, 0xFF); // high bit
// set the background tiles to all be tile 3 (all 0x3)
// Map Display Select Mode 0 0x9800 => 0x9BFF (32 * 32)
for (int i = 0; i < 32 * 32; i++)
{
MMU.wb(0x9800 + i, i % 4);
}
GPU.RenderTiles();
}