public GBA(CoreComm comm, byte[] file)
{
ServiceProvider = new BasicServiceProvider(this);
Tracer = new TraceBuffer
{
Header = " -Addr--- -Opcode- -Instruction------------------- -R0----- -R1----- -R2----- -R3----- -R4----- -R5----- -R6----- -R7----- -R8----- -R9----- -R10---- -R11---- -R12---- -R13(SP) -R14(LR) -R15(PC) -CPSR--- -SPSR---"
};
(ServiceProvider as BasicServiceProvider).Register <ITraceable>(Tracer);
CoreComm = comm;
comm.VsyncNum = 262144;
comm.VsyncDen = 4389;
comm.NominalWidth = 240;
comm.NominalHeight = 160;
byte[] bios = CoreComm.CoreFileProvider.GetFirmware("GBA", "Bios", true, "GBA bios file is mandatory.");
if (bios.Length != 16384)
{
throw new InvalidDataException("GBA bios must be exactly 16384 bytes!");
}
if (file.Length > 32 * 1024 * 1024)
{
throw new InvalidDataException("Rom file is too big! No GBA game is larger than 32MB");
}
Init();
LibMeteor.libmeteor_hardreset();
LibMeteor.libmeteor_loadbios(bios, (uint)bios.Length);
LibMeteor.libmeteor_loadrom(file, (uint)file.Length);
SetUpMemoryDomains();
}
public void Load(byte[] rom)
{
byte[] bios = CoreComm.CoreFileProvider.GetFirmware("GBA", "Bios", true, "GBA bios file is mandatory.");
if (bios.Length != 16384)
{
throw new InvalidDataException("GBA bios must be exactly 16384 bytes!");
}
if (rom.Length > 32 * 1024 * 1024)
{
throw new InvalidDataException("Rom file is too big! No GBA game is larger than 32MB");
}
Init();
LibMeteor.libmeteor_hardreset();
LibMeteor.libmeteor_loadbios(bios, (uint)bios.Length);
LibMeteor.libmeteor_loadrom(rom, (uint)rom.Length);
SetUpMemoryDomains();
}
public void FrameAdvance(bool render, bool rendersound = true)
{
Frame++;
IsLagFrame = true;
if (Controller.IsPressed("Power"))
{
LibMeteor.libmeteor_hardreset();
}
// due to the design of the tracing api, we have to poll whether it's active each frame
LibMeteor.libmeteor_settracecallback(Tracer.Enabled ? tracecallback : null);
if (!coredead)
{
LibMeteor.libmeteor_frameadvance();
}
if (IsLagFrame)
{
LagCount++;
}
}
