slight refactoring, adding new capabilities

src/main/java/me/felinewith/kcpu/KBoard.java

@@ -17,7 +17,8 @@ import me.felinewith.kcpu.hardware.Kmcp;
 import me.felinewith.kcpu.memory.BootRom;
 import me.felinewith.kcpu.memory.Buffer;
 import me.felinewith.kcpu.util.BaseDevice;
-import me.felinewith.kcpu.util.HardwareTask;
+import me.felinewith.kcpu.util.HardwareExec;
+import me.felinewith.kcpu.util.HardwareMemIrq;
 
 /**
  *
@@ -72,7 +73,7 @@ public class KBoard extends BaseDevice implements IMemory {
 		attachMemory(0, 0xff00, new Buffer());
 		attachMemory(1, 0x1000, new BootRom());
 
-		tt = new HardwareTask(devices[0]);
+		tt = new HardwareExec(devices[0]);
 		t = new Timer("CPU Cycler");
 		t.schedule(tt, 0, 1);
 	}
@@ -84,11 +85,12 @@ public class KBoard extends BaseDevice implements IMemory {
 		else if ( dev <= 0x0f ) {
 			short devOff = deviceMaps[rdev].getOffset();
 			short devAddr = (short)(addr - devOff);
-			devices[rdev].memIrq(devAddr);
+			tpe.execute(new HardwareMemIrq(devices[rdev], devAddr));
 		}
 		else if ( 0x10 <= dev && dev <= 0x1f ) {
 			short devOff = memDevMaps[rdev].getOffset();
 			short devAddr = (short)(addr - devOff);
+			tpe.execute(new HardwareMemIrq(memDevs[rdev], devAddr));
 			memDevs[rdev].memIrq(devAddr);
 		}
 
@@ -96,7 +98,7 @@ public class KBoard extends BaseDevice implements IMemory {
 
 	@Override public void sendIrq(byte irq) {
 		if ( irq >= 16 ) { return; }
-		if ( devices[irq] != null ) { devices[irq].exec(); }
+		if ( devices[irq] != null ) { tpe.execute(new HardwareExec(devices[irq])); }
 	}
 
 	@Override public short length() { return (short)memory.length; };
@@ -133,9 +135,9 @@ public class KBoard extends BaseDevice implements IMemory {
 		memory[addr] = data;
 	}
 
-	private void attachDevice(int port, int offset, IDevice device) {
+	public void attachDevice(int port, int offset, IDevice device) {
 		attachDevice(port, (short)offset, device); }
-	private void attachDevice(int port, short offset, IDevice device) {
+	public void attachDevice(int port, short offset, IDevice device) {
 		if ( devices[port] != null ) { return; }
 		else if ( deviceMaps[port] != null ) { return; }
 
@@ -145,9 +147,9 @@ public class KBoard extends BaseDevice implements IMemory {
 		device.init(this);
 	}
 
-	private void attachMemory(int port, int offset, IMemory device) {
+	public void attachMemory(int port, int offset, IMemory device) {
 		attachMemory(port, (short)offset, device); }
-	private void attachMemory(int port, short offset, IMemory device) {
+	public void attachMemory(int port, short offset, IMemory device) {
 		if ( memDevs[port] != null ) { return; }
 		else if ( memDevMaps[port] != null ) { return; }
 
@@ -155,7 +157,7 @@ public class KBoard extends BaseDevice implements IMemory {
 		memDevMaps[port] = new KMemoryRange(offset, device.length());
 	}
 
-	private short checkDevice(short addr) {
+	public short checkDevice(short addr) {
 		short a;
 
 		KMemoryRange io;

src/main/java/me/felinewith/kcpu/Kcpu.java

@@ -109,6 +109,12 @@ public class Kcpu extends TimerTask implements IDevice {
 		short rd = (short)(0x03 & d);
 
 		switch (od) {
+			// ask what device is using which address
+			case ASK  : registers[0] = board.checkDevice((short)0);
+			case ASK: registers[0] = board.checkDevice((short)0);
+			case ASK: registers[0] = board.checkDevice((short)0);
+			case ASK: registers[0] = board.checkDevice((short)0);
+
 			// interrupt to port
 			case IRQD  : board.sendIrq((byte)registers[0]); return;
 			case IRQD_A: board.sendIrq((byte)MemHelper.readShort(a, board)); return;

src/main/java/me/felinewith/kcpu/memory/BootRom.java

@@ -10,7 +10,7 @@ import me.felinewith.kcpu.util.BaseMemory;
 public class BootRom extends BaseMemory {
 
 	public BootRom() {
-		memory = new byte[0x0fff];
+		memory = new byte[0x1000];
 		Arrays.fill(memory, (byte)0x75);
 	}
 

src/main/java/me/felinewith/kcpu/opcodes/OpDirector.java

@@ -24,6 +24,26 @@ public enum OpDirector {
 	MOVAA(0x0017, Memory.class),
 
 	// cpu stuffies
+	ASK_AA(0x1000, null),
+	ASK_AD(0x1001, null),
+	ASK_AN(0x1002, null),
+	ASK_AR(0x1003, null),
+
+	ASK_DA(0x1004, null),
+	ASK_DD(0x1005, null),
+	ASK_DN(0x1006, null),
+	ASK_DR(0x1007, null),
+
+	ASK_NA(0x1010, null),
+	ASK_ND(0x1011, null),
+	ASK_NN(0x1012, null),
+	ASK_NR(0x1013, null),
+
+	ASK_RA(0x1014, null),
+	ASK_RD(0x1015, null),
+	ASK_RN(0x1016, null),
+	ASK_RR(0x1017, null),
+
 	IRQM  (0x8f00, null),
 	IRQM_R(0x8f01, null),
 	IRQM_D(0x8f02, null),

src/main/java/me/felinewith/kcpu/util/HardwareTask.java → src/main/java/me/felinewith/kcpu/util/HardwareExec.java

@@ -7,15 +7,12 @@ import me.felinewith.kcpu.IDevice;
  *
  * @author jlhawkwell
  */
-public class HardwareTask extends TimerTask {
+public class HardwareExec extends TimerTask {
 
 	IDevice id;
 
-	public HardwareTask(IDevice device) {
+	public HardwareExec(IDevice device) {
 		id = device;
 	}
-	@Override public void run() {
-		id.exec();
-	}
-
+	@Override public void run() { id.exec(); }
 }

src/main/java/me/felinewith/kcpu/util/HardwareMemIrq.java

+package me.felinewith.kcpu.util;
+
+import java.util.TimerTask;
+import me.felinewith.kcpu.IMemory;
+
+/**
+ *
+ * @author jlhawkwell
+ */
+public class HardwareMemIrq extends TimerTask {
+
+	IMemory id;
+	short a;
+
+	public HardwareMemIrq(IMemory device, short addr) {
+		id = device;
+		a = addr;
+	}
+	@Override public void run() { id.memIrq(a); }
+}

src/main/java/me/felinewith/kcpu/util/HardwareSendIrq.java

+package me.felinewith.kcpu.util;
+
+import java.util.TimerTask;
+import me.felinewith.kcpu.IDevice;
+
+/**
+ *
+ * @author jlhawkwell
+ */
+public class HardwareSendIrq extends TimerTask {
+
+	IDevice id;
+	byte i;
+
+	public HardwareSendIrq(IDevice device, byte irq) {
+		id = device;
+		i = irq;
+	}
+	@Override public void run() { id.sendIrq(i); }
+}