public static void SaveSRAM()
{
if (board != null)
{
if (SaveSRAMAtShutdown && board.SRAMSaveRequired)
{
Trace.WriteLine("Saving SRAM ...");
byte[] sramBuffer = new byte[0];
ZlipWrapper.CompressData(board.GetSRAMBuffer(), out sramBuffer);
Stream str = new FileStream(SRAMFileName, FileMode.Create, FileAccess.Write);
str.Write(sramBuffer, 0, sramBuffer.Length);
str.Flush();
str.Close();
Trace.WriteLine("SRAM saved successfully.");
}
}
}
/// <summary>
/// Save current game state as
/// </summary>
/// <param name="fileName">The complete path where to save the file</param>
public void SaveStateAs(string fileName)
{
if (state_is_loading_state)
{
this.EmulationPaused = false;
this.view.WriteNotification("Can't save state while loading a state !", 120, Color.Red);
return;
}
if (state_is_saving_state)
{
this.EmulationPaused = false;
this.view.WriteNotification("Already saving state !!", 120, Color.Red);
return;
}
state_is_saving_state = true;
// Create the stream
Stream stream = new MemoryStream();
BinaryWriter bin = new BinaryWriter(stream);
// Write header
bin.Write(Encoding.ASCII.GetBytes("MNS")); // Write MNS (My Nes State)
bin.Write(state_version); // Write version (1 byte)
// Write SHA1 for compare later
for (int i = 0; i < this.memory.board.RomSHA1.Length; i += 2)
{
string v = this.memory.board.RomSHA1.Substring(i, 2).ToUpper();
bin.Write(System.Convert.ToByte(v, 16));
}
// Write data
#region General
bin.Write(this.emulator.palCyc);
#endregion
#region APU
this.apu.SaveState(bin);
#endregion
#region CPU
this.cpu.SaveState(bin);
#endregion
#region DMA
this.dma.SaveState(bin);
#endregion
#region DMC
this.apu.dmcChannel.SaveState(bin);
#endregion
#region Input
bin.Write(this.input.PORT0);
bin.Write(this.input.PORT1);
bin.Write(this.input.inputStrobe);
#endregion
#region Interrupts
this.interrupts.SaveState(bin);
#endregion
#region Memory
this.memory.SaveState(bin);
#endregion
#region Noise
this.apu.noiseChannel.SaveState(bin);
#endregion
#region PPU
this.ppu.SaveState(bin);
#endregion
#region Pulse 1
this.apu.pulse1Channel.SaveState(bin);
#endregion
#region Pulse 2
this.apu.pulse2Channel.SaveState(bin);
#endregion
#region Triangle
this.apu.triangleChannel.SaveState(bin);
#endregion
// Compress data !
byte[] outData = new byte[0];
ZlipWrapper.CompressData(((MemoryStream)bin.BaseStream).GetBuffer(), out outData);
// Write file !
Stream fileStream = new FileStream(fileName, FileMode.Create, FileAccess.Write);
fileStream.Write(outData, 0, outData.Length);
// Save snapshot
this.view.TakeSnapshot(STATEFolder, Path.GetFileNameWithoutExtension(fileName), ".jpg", true);
// Finished !
bin.Flush();
bin.Close();
fileStream.Flush();
fileStream.Close();
state_is_saving_state = false;
this.EmulationPaused = false;
this.view.WriteNotification("State saved at slot " + STATESlot, 120, Color.Green);
}
/// <summary>
/// Save current game state as
/// </summary>
/// <param name="fileName">The complete path where to save the file</param>
public static void SaveStateAs(string fileName)
{
if (state_is_loading_state)
{
EmulationPaused = false;
videoOut.WriteNotification("Can't save state while loading a state !", 120, Color.Red);
return;
}
if (state_is_saving_state)
{
EmulationPaused = false;
videoOut.WriteNotification("Already saving state !!", 120, Color.Red);
return;
}
state_is_saving_state = true;
// Create the stream
Stream stream = new MemoryStream();
BinaryWriter bin = new BinaryWriter(stream);
// Write header
bin.Write(Encoding.ASCII.GetBytes("MNS")); // Write MNS (My Nes State)
bin.Write(state_version); // Write version (1 byte)
// Write SHA1 for compare later
for (int i = 0; i < board.RomSHA1.Length; i += 2)
{
string v = board.RomSHA1.Substring(i, 2).ToUpper();
bin.Write(System.Convert.ToByte(v, 16));
}
// Write data
#region General
bin.Write(palCyc);
#endregion
#region APU
bin.Write(Cycles);
bin.Write(SequencingMode);
bin.Write(CurrentSeq);
bin.Write(isClockingDuration);
bin.Write(FrameIrqEnabled);
bin.Write(FrameIrqFlag);
bin.Write(oddCycle);
#endregion
#region CPU
bin.Write(registers.a);
bin.Write(registers.c);
bin.Write(registers.d);
bin.Write(registers.eah);
bin.Write(registers.eal);
bin.Write(registers.i);
bin.Write(registers.n);
bin.Write(registers.pch);
bin.Write(registers.pcl);
bin.Write(registers.sph);
bin.Write(registers.spl);
bin.Write(registers.v);
bin.Write(registers.x);
bin.Write(registers.y);
bin.Write(registers.z);
bin.Write(M);
bin.Write(opcode);
bin.Write(byte_temp);
bin.Write(int_temp);
bin.Write(int_temp1);
bin.Write(dummy);
#endregion
#region DMA
bin.Write(dmaDMCDMAWaitCycles);
bin.Write(dmaOAMDMAWaitCycles);
bin.Write(isOamDma);
bin.Write(oamdma_i);
bin.Write(dmaDMCOn);
bin.Write(dmaOAMOn);
bin.Write(dmaDMC_occurring);
bin.Write(dmaOAM_occurring);
bin.Write(dmaOAMFinishCounter);
bin.Write(dmaOamaddress);
bin.Write(OAMCYCLE);
bin.Write(latch);
#endregion
#region DMC
bin.Write(DeltaIrqOccur);
bin.Write(DMCIrqEnabled);
bin.Write(dmc_dmaLooping);
bin.Write(dmc_dmaEnabled);
bin.Write(dmc_bufferFull);
bin.Write(dmc_dmaAddrRefresh);
bin.Write(dmc_dmaSizeRefresh);
bin.Write(dmc_dmaSize);
bin.Write(dmc_dmaBits);
bin.Write(dmc_dmaByte);
bin.Write(dmc_dmaAddr);
bin.Write(dmc_dmaBuffer);
bin.Write(dmc_output);
bin.Write(dmc_cycles);
bin.Write(dmc_freqTimer);
#endregion
#region Input
bin.Write(PORT0);
bin.Write(PORT1);
bin.Write(inputStrobe);
#endregion
#region Interrupts
bin.Write(NMI_Current);
bin.Write(NMI_Old);
bin.Write(NMI_Detected);
bin.Write(IRQFlags);
bin.Write(IRQ_Detected);
bin.Write(interrupt_vector);
bin.Write(interrupt_suspend_nmi);
bin.Write(interrupt_suspend_irq);
bin.Write(nmi_enabled);
bin.Write(nmi_old);
bin.Write(vbl_flag);
bin.Write(vbl_flag_temp);
#endregion
#region Memory
board.SaveState(bin);
bin.Write(WRAM);
bin.Write(palettes_bank);
bin.Write(oam_ram);
bin.Write(oam_secondary);
bin.Write(BUS_ADDRESS);
bin.Write(BUS_RW);
bin.Write(BUS_RW_P);
bin.Write(temp_4015);
bin.Write(temp_4016);
bin.Write(temp_4017);
#endregion
#region Noise
bin.Write(noz_envelope);
bin.Write(noz_env_startflag);
bin.Write(noz_env_counter);
bin.Write(noz_env_devider);
bin.Write(noz_length_counter_halt_flag);
bin.Write(noz_constant_volume_flag);
bin.Write(noz_volume_decay_time);
bin.Write(noz_duration_haltRequset);
bin.Write(noz_duration_counter);
bin.Write(noz_duration_reloadEnabled);
bin.Write(noz_duration_reload);
bin.Write(noz_duration_reloadRequst);
bin.Write(noz_mode);
bin.Write(noz_shiftRegister);
bin.Write(noz_feedback);
bin.Write(noz_frequency);
bin.Write(noz_cycles);
#endregion
#region PPU
bin.Write(VClock);
bin.Write(HClock);
bin.Write(oddSwap);
bin.Write(current_pixel);
bin.Write(temp);
bin.Write(temp_comparator);
bin.Write(bkg_pos);
bin.Write(spr_pos);
bin.Write(object0);
bin.Write(infront);
bin.Write(bkgPixel);
bin.Write(sprPixel);
bin.Write(bkg_fetch_address);
bin.Write(bkg_fetch_nametable);
bin.Write(bkg_fetch_attr);
bin.Write(bkg_fetch_bit0);
bin.Write(bkg_fetch_bit1);
bin.Write(spr_fetch_address);
bin.Write(spr_fetch_bit0);
bin.Write(spr_fetch_bit1);
bin.Write(spr_fetch_attr);
for (int i = 0; i < spr_zero_buffer.Length; i++)
{
bin.Write(spr_zero_buffer[i]);
}
bin.Write(vram_temp);
bin.Write(vram_address);
bin.Write(vram_address_temp_access);
bin.Write(vram_address_temp_access1);
bin.Write(vram_increament);
bin.Write(vram_flipflop);
bin.Write(vram_fine);
bin.Write(reg2007buffer);
bin.Write(bkg_enabled);
bin.Write(bkg_clipped);
bin.Write(bkg_patternAddress);
bin.Write(spr_enabled);
bin.Write(spr_clipped);
bin.Write(spr_patternAddress);
bin.Write(spr_size16);
bin.Write(spr_0Hit);
bin.Write(spr_overflow);
bin.Write(grayscale);
bin.Write(emphasis);
bin.Write(ppu_2002_temp);
bin.Write(ppu_2004_temp);
bin.Write(ppu_2007_temp);
bin.Write(oam_address);
bin.Write(oam_fetch_data);
bin.Write(oam_evaluate_slot);
bin.Write(oam_evaluate_count);
bin.Write(oam_fetch_mode);
bin.Write(oam_phase_index);
bin.Write(spr_render_i);
bin.Write(bkg_render_i);
bin.Write(spr_evaluation_i);
bin.Write(spr_render_temp_pixel);
#endregion
#region Pulse 1
bin.Write(sq1_envelope);
bin.Write(sq1_env_startflag);
bin.Write(sq1_env_counter);
bin.Write(sq1_env_devider);
bin.Write(sq1_length_counter_halt_flag);
bin.Write(sq1_constant_volume_flag);
bin.Write(sq1_volume_decay_time);
bin.Write(sq1_duration_haltRequset);
bin.Write(sq1_duration_counter);
bin.Write(sq1_duration_reloadEnabled);
bin.Write(sq1_duration_reload);
bin.Write(sq1_duration_reloadRequst);
bin.Write(sq1_dutyForm);
bin.Write(sq1_dutyStep);
bin.Write(sq1_sweepDeviderPeriod);
bin.Write(sq1_sweepShiftCount);
bin.Write(sq1_sweepCounter);
bin.Write(sq1_sweepEnable);
bin.Write(sq1_sweepReload);
bin.Write(sq1_sweepNegateFlag);
bin.Write(sq1_frequency);
bin.Write(sq1_sweep);
bin.Write(sq1_cycles);
#endregion
#region Pulse 2
bin.Write(sq2_envelope);
bin.Write(sq2_env_startflag);
bin.Write(sq2_env_counter);
bin.Write(sq2_env_devider);
bin.Write(sq2_length_counter_halt_flag);
bin.Write(sq2_constant_volume_flag);
bin.Write(sq2_volume_decay_time);
bin.Write(sq2_duration_haltRequset);
bin.Write(sq2_duration_counter);
bin.Write(sq2_duration_reloadEnabled);
bin.Write(sq2_duration_reload);
bin.Write(sq2_duration_reloadRequst);
bin.Write(sq2_dutyForm);
bin.Write(sq2_dutyStep);
bin.Write(sq2_sweepDeviderPeriod);
bin.Write(sq2_sweepShiftCount);
bin.Write(sq2_sweepCounter);
bin.Write(sq2_sweepEnable);
bin.Write(sq2_sweepReload);
bin.Write(sq2_sweepNegateFlag);
bin.Write(sq2_frequency);
bin.Write(sq2_sweep);
bin.Write(sq2_cycles);
#endregion
#region Triangle
bin.Write(trl_length_counter_halt_flag);
bin.Write(trl_duration_haltRequset);
bin.Write(trl_duration_counter);
bin.Write(trl_duration_reloadEnabled);
bin.Write(trl_duration_reload);
bin.Write(trl_duration_reloadRequst);
bin.Write(trl_linearCounter);
bin.Write(trl_linearCounterReload);
bin.Write(trl_step);
bin.Write(trl_linearCounterHalt);
bin.Write(trl_halt);
bin.Write(trl_frequency);
bin.Write(trl_cycles);
#endregion
// Compress data !
byte[] outData = new byte[0];
ZlipWrapper.CompressData(((MemoryStream)bin.BaseStream).GetBuffer(), out outData);
// Write file !
Stream fileStream = new FileStream(fileName, FileMode.Create, FileAccess.Write);
fileStream.Write(outData, 0, outData.Length);
// Save snapshot
videoOut.TakeSnapshot(STATEFolder, Path.GetFileNameWithoutExtension(fileName), ".jpg", true);
// Finished !
bin.Flush();
bin.Close();
fileStream.Flush();
fileStream.Close();
state_is_saving_state = false;
EmulationPaused = false;
videoOut.WriteNotification("State saved at slot " + STATESlot, 120, Color.Green);
}
