Save CPU State

J65el02

@@ -1 +1 @@
-Subproject commit f5416177b806650d8014201a3e12c24d6e1c8747
+Subproject commit c127f1a2e5873ee3333b4dac05459cdbf002c662

src/main/java/net/brokenmoon/redcontrol/api/Emulator.java

@@ -8,6 +8,7 @@ import com.simon816.j65el02.device.RedBus;
 import net.brokenmoon.redcontrol.RedControl;
 import net.brokenmoon.redcontrol.mixin.BusAccessor;
 import net.brokenmoon.redcontrol.mixin.CpuAccessor;
+import net.minecraft.nbt.NbtCompound;
 
 import java.io.IOException;
 import java.nio.file.Paths;
@@ -56,9 +57,113 @@ public class Emulator {
         }
     }
 
-    public void reset(){
+    public void reset(int driveId, int monitorId){
         cpu.reset();
-        ram.write(0, 2, ((CpuAccessor)cpu).getRedBusState());
-        ram.write(1, 1, ((CpuAccessor)cpu).getRedBusState());
+        ram.write(0, driveId, ((CpuAccessor)cpu).getRedBusState());
+        ram.write(1, monitorId, ((CpuAccessor)cpu).getRedBusState());
+    }
+
+    public void writeNbt(NbtCompound nbt) {
+        //Cpu write nbt
+
+        //Cpu state write nbt
+        nbt.putInt("aRegister", cpu.getCpuState().a);
+        nbt.putInt("aTopRegister", cpu.getCpuState().aTop);
+        nbt.putInt("xRegister", cpu.getCpuState().x);
+        nbt.putInt("yRegister", cpu.getCpuState().y);
+        nbt.putInt("spRegister", cpu.getCpuState().sp);
+        nbt.putInt("pcRegister", cpu.getCpuState().pc);
+        nbt.putInt("irRegister", cpu.getCpuState().ir);
+        nbt.putInt("iRegister", cpu.getCpuState().i);
+        nbt.putInt("rRegister", cpu.getCpuState().r);
+        nbt.putInt("dRegister", cpu.getCpuState().d);
+        nbt.putInt("brkRegister", cpu.getCpuState().brk);
+        nbt.putInt("porRegister", cpu.getCpuState().por);
+        nbt.putInt("nextirRegister", cpu.getCpuState().nextIr);
+        nbt.putInt("args1Register", cpu.getCpuState().args[0]);
+        nbt.putInt("args2Register", cpu.getCpuState().args[1]);
+        nbt.putInt("nextArgs1Register", cpu.getCpuState().nextArgs[0]);
+        nbt.putInt("nextArgs2Register", cpu.getCpuState().nextArgs[1]);
+        nbt.putInt("instSizeRegister", cpu.getCpuState().instSize);
+        nbt.putBoolean("opTrap", cpu.getCpuState().opTrap);
+        nbt.putBoolean("irqAsserted", cpu.getCpuState().irqAsserted);
+        nbt.putBoolean("nmiAsserted", cpu.getCpuState().nmiAsserted);
+        nbt.putInt("lastPc", cpu.getCpuState().lastPc);
+        nbt.putBoolean("intWait", cpu.getCpuState().intWait);
+        nbt.putBoolean("signalStop", cpu.getCpuState().signalStop);
+
+        nbt.putBoolean("carryFlag", cpu.getCpuState().carryFlag);
+        nbt.putBoolean("negativeFlag", cpu.getCpuState().negativeFlag);
+        nbt.putBoolean("zeroFlag", cpu.getCpuState().zeroFlag);
+        nbt.putBoolean("irqDisable", cpu.getCpuState().irqDisableFlag);
+        nbt.putBoolean("decimalMode", cpu.getCpuState().decimalModeFlag);
+        nbt.putBoolean("breakFlag", cpu.getCpuState().breakFlag);
+        nbt.putBoolean("overflowFlag", cpu.getCpuState().overflowFlag);
+        nbt.putBoolean("emuFlag", cpu.getCpuState().emulationFlag);
+        nbt.putBoolean("mWidth", cpu.getCpuState().mWidthFlag);
+        nbt.putBoolean("indexWidth", cpu.getCpuState().indexWidthFlag);
+        nbt.putLong("stepCounter", cpu.getCpuState().stepCounter);
+
+        //Redbus state write nbt
+        nbt.putInt("deviceId", cpu.redBusState.activeDeviceId);
+        nbt.putInt("offset", cpu.redBusState.offset);
+        nbt.putInt("memoryWindow", cpu.redBusState.memoryWindow);
+        nbt.putBoolean("enabled", cpu.redBusState.enabled);
+        nbt.putBoolean("enableWindow", cpu.redBusState.enableWindow);
+
+        //Ram write nbt.
+        nbt.putByteArray("ramValues", this.ram.getMem());
+    }
+
+    public void readNbt(NbtCompound nbt) {
+        //Cpu write nbt
+
+        //Cpu state write nbt
+        cpu.getCpuState().a = nbt.getInt("aRegister");
+        cpu.getCpuState().aTop = nbt.getInt("aTopRegister");
+        cpu.getCpuState().x = nbt.getInt("xRegister");
+        cpu.getCpuState().y = nbt.getInt("yRegister");
+        cpu.getCpuState().pc = nbt.getInt("pcRegister");
+        cpu.getCpuState().sp = nbt.getInt("spRegister");
+        cpu.getCpuState().ir = nbt.getInt("irRegister");
+        cpu.getCpuState().i = nbt.getInt("iRegister");
+        cpu.getCpuState().r = nbt.getInt("rRegister");
+        cpu.getCpuState().d = nbt.getInt("dRegister");
+        cpu.getCpuState().brk = nbt.getInt("brkRegister");
+        cpu.getCpuState().por = nbt.getInt("porRegister");
+        cpu.getCpuState().nextIr = nbt.getInt("nextirRegister");
+        cpu.getCpuState().args[0] = nbt.getInt("args1Register");
+        cpu.getCpuState().args[1] = nbt.getInt("args2Register");
+        cpu.getCpuState().nextArgs[0] = nbt.getInt("nextArgs1Register");
+        cpu.getCpuState().nextArgs[1] = nbt.getInt("nextArgs2Register");
+        cpu.getCpuState().instSize = nbt.getInt("instSizeRegister");
+        cpu.getCpuState().opTrap = nbt.getBoolean("opTrap");
+        cpu.getCpuState().irqAsserted = nbt.getBoolean("irqAsserted");
+        cpu.getCpuState().nmiAsserted = nbt.getBoolean("nmiAsserted");
+        cpu.getCpuState().lastPc = nbt.getInt("lastPc");
+        cpu.getCpuState().intWait = nbt.getBoolean("intWait");
+        cpu.getCpuState().signalStop = nbt.getBoolean("signalStop");
+
+        cpu.getCpuState().carryFlag = nbt.getBoolean("carryFlag");
+        cpu.getCpuState().negativeFlag = nbt.getBoolean("negativeFlag");
+        cpu.getCpuState().zeroFlag = nbt.getBoolean("zeroFlag");
+        cpu.getCpuState().irqDisableFlag = nbt.getBoolean("irqDisable");
+        cpu.getCpuState().decimalModeFlag = nbt.getBoolean("decimalMode");
+        cpu.getCpuState().breakFlag = nbt.getBoolean("breakFlag");
+        cpu.getCpuState().overflowFlag = nbt.getBoolean("overflowFlag");
+        cpu.getCpuState().emulationFlag = nbt.getBoolean("emuFlag");
+        cpu.getCpuState().mWidthFlag = nbt.getBoolean("mWidth");
+        cpu.getCpuState().indexWidthFlag = nbt.getBoolean("indexWidth");
+        cpu.getCpuState().stepCounter = nbt.getLong("stepCounter");
+
+        //Redbus state write nbt
+        cpu.redBusState.activeDeviceId = nbt.getInt("deviceId");
+        cpu.redBusState.offset = nbt.getInt("offset");
+        cpu.redBusState.memoryWindow = nbt.getInt("memoryWindow");
+        cpu.redBusState.enabled = nbt.getBoolean("enabled");
+        cpu.redBusState.enableWindow = nbt.getBoolean("enableWindow");
+
+        //Ram write nbt.
+        ram.setMem(nbt.getByteArray("ramValues"));
     }
 }

src/main/java/net/brokenmoon/redcontrol/api/RCWorldBus.java

@@ -36,4 +36,8 @@ public class RCWorldBus {
     public void setValid(boolean val){
         this.isValid = val;
     }
+
+    public boolean getValid(){
+        return this.isValid;
+    }
 }

src/main/java/net/brokenmoon/redcontrol/blockentities/CpuEntity.java

@@ -4,9 +4,15 @@ import com.simon816.j65el02.device.RedBus;
 import net.brokenmoon.redcontrol.RedControl;
 import net.brokenmoon.redcontrol.api.Emulator;
 import net.brokenmoon.redcontrol.api.RCWorldBus;
+import net.brokenmoon.redcontrol.blocks.NetworkCarrier;
 import net.minecraft.block.BlockState;
+import net.minecraft.nbt.NbtCompound;
+import net.minecraft.network.listener.ClientPlayPacketListener;
+import net.minecraft.network.packet.Packet;
+import net.minecraft.network.packet.s2c.play.BlockEntityUpdateS2CPacket;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.World;
+import org.jetbrains.annotations.Nullable;
 
 public class CpuEntity extends Peripheral{
     public int i = 0;
@@ -16,18 +22,37 @@ public class CpuEntity extends Peripheral{
 
     private int defaultMonitorId = 1;
     private int defaultDriveId = 2;
+
+    private boolean isRunning = true;
+    private boolean isResetting = false;
+    private boolean isReset = false;
+    private int resetTimer = 5;
+
     public CpuEntity(BlockPos pos, BlockState state) {
         super(RedControl.CPU_BLOCK_ENTITY, pos, state, 0);
     }
 
     public static void tick(World world, BlockPos pos, BlockState state, CpuEntity be) {
-        if(be.notTicked) {
-            be.notTicked = false;
+        if(be.worldBus == null || !be.worldBus.getValid()){
+            ((NetworkCarrier)state.getBlock()).generateBus(world, pos);
         }
-        for(int i = 0; i < 500; i++)
-            be.step();
-        if(be.core.isWaitingOnInterrupt()){
-            be.core.setWaitingOnInterrupt();
+        if(!world.isClient) {
+            if (be.notTicked) {
+                be.notTicked = false;
+            }
+            if(be.isRunning) {
+                for (int i = 0; i < 500; i++)
+                    be.step();
+            } else{
+                if (be.isResetting && !be.isReset && be.resetTimer > 0){
+                    be.resetTimer--;
+                } else {
+                    be.core = new Emulator(be.getBus().getRedBus());
+                }
+            }
+            if (be.core.isWaitingOnInterrupt()) {
+                be.core.setWaitingOnInterrupt();
+            }
         }
     }
 
@@ -50,7 +75,7 @@ public class CpuEntity extends Peripheral{
 
 
     public void reset() {
-        this.core.reset();
+        this.core.reset(this.defaultDriveId, this.defaultMonitorId);
     }
 
     public void step() {
@@ -78,4 +103,34 @@ public class CpuEntity extends Peripheral{
         this.bus.setPeripheral(id, this);
         this.worldBus = bus;
     }
+
+    @Nullable
+    @Override
+    public Packet<ClientPlayPacketListener> toUpdatePacket() {
+        return BlockEntityUpdateS2CPacket.create(this);
+    }
+
+    @Override
+    protected void writeNbt(NbtCompound nbt) {
+        nbt.putBoolean("isRunning", this.isRunning);
+        nbt.putBoolean("isResetting", this.isResetting);
+        nbt.putBoolean("isReset", this.isReset);
+        nbt.putInt("resetTimer", this.resetTimer);
+        nbt.putInt("defaultMonitorId", this.defaultMonitorId);
+        nbt.putInt("defaultDriveId", this.defaultDriveId);
+        core.writeNbt(nbt);
+        super.writeNbt(nbt);
+    }
+
+    @Override
+    public void readNbt(NbtCompound nbt) {
+        this.isReset = nbt.getBoolean("isRunning");
+        this.isResetting = nbt.getBoolean("isResetting");
+        this.isReset = nbt.getBoolean("isReset");
+        this.resetTimer = nbt.getInt("resetTimer");
+        this.defaultMonitorId = nbt.getInt("defaultMonitorId");
+        this.defaultDriveId = nbt.getInt("defaultDriveId");
+        core.readNbt(nbt);
+        super.readNbt(nbt);
+    }
 }