public MEM(ARM7TDMI cpu)
{
this.cpu = cpu;
this.bus = cpu.bus;
this.BIOS = new BIOSSection(cpu);
this.IO = cpu.IO;
this.VRAM = new VRAMSection(cpu.IO);
this.GamePak_L = new cROMSection(this, false);
this.GamePak_H = new cROMSection(this, true);
this.Backup = new BackupSection(cpu.DMAChannels[3]);
this.MemorySections = new IMemorySection[16]
{
this.BIOS,
this.UnusedSection,
this.eWRAM,
this.iWRAM,
this.IO,
this.PAL,
this.VRAM,
this.OAM,
this.GamePak_L,
this.GamePak_H,
this.GamePak_L,
this.GamePak_H,
this.GamePak_L,
this.GamePak_H,
this.Backup,
this.Backup
};
}
public PPU(GBA gba, ushort[] display, IORAMSection IO)
{
this.gba = gba;
this.IO = IO;
this.Display = display;
this.ResetBGScanlines(0, 1, 2, 3);
this.ResetOBJScanlines();
}
public GBA(ushort[] display)
{
this.cpu = new ARM7TDMI(this, this.EventQueue);
this.IO = this.cpu.IO;
this.mem = this.cpu.mem;
this.bus = this.cpu.bus;
this.apu = new APU(this.cpu, this.EventQueue);
this.ppu = new PPU(this, display, this.IO);
this.mem.Init(this.ppu);
this.IO.Init(this.ppu, this.bus);
this.IO.Layout(this.cpu, this.apu);
// this.mem.UseNormattsBIOS();
this.display = display;
#if THREADED_RENDERING
this.RenderThread = new Thread(() => ppu.Mainloop());
#endif
}
public ARM7TDMI(GBA gba, Scheduler.Scheduler scheduler)
{
this.gba = gba;
this.Pipeline = new cPipeline(this);
this.InitARM();
this.InitTHUMB();
this.InitTimers(scheduler);
// IO requires bus to be initialized
this.bus = new BUS(this);
this.IO = new IORAMSection();
// DMAChannels require bus AND IO to be initialized
this.DMAChannels[0] = new DMAChannel(this, 0);
this.DMAChannels[1] = new DMAChannel(this, 1);
this.DMAChannels[2] = new DMAChannel(this, 2);
this.DMAChannels[3] = new DMAChannel(this, 3);
// mem requires IO AND DMAChannels to be initialized
this.mem = new MEM(this);
this.SystemBank = new uint[16];
this.FIQBank = new uint[16];
this.SupervisorBank = new uint[16];
// this.AbortBank = new uint[16];
this.IRQBank = new uint[16];
// this.UndefinedBank = new uint[16];
this.state = State.ARM;
// need banked registers for CPSR initialization
this.CPSR = 0x0000005F;
this.PipelineFlush();
this.PC += 4;
}
public VRAMSection(IORAMSection IO) : base(0x18000)
{
this.IO = IO;
}