Initial commit

.idea/encodings.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding" addBOMForNewFiles="with NO BOM" />
+</project>

.idea/misc.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_10" default="true" project-jdk-name="10" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>

.idea/modules.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/registermaschine.iml" filepath="$PROJECT_DIR$/registermaschine.iml" />
+    </modules>
+  </component>
+</project>

.idea/uiDesigner.xml

@@ -0,0 +1,124 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Palette2">
+    <group name="Swing">
+      <item class="com.intellij.uiDesigner.HSpacer" tooltip-text="Horizontal Spacer" icon="/com/intellij/uiDesigner/icons/hspacer.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="1" hsize-policy="6" anchor="0" fill="1" />
+      </item>
+      <item class="com.intellij.uiDesigner.VSpacer" tooltip-text="Vertical Spacer" icon="/com/intellij/uiDesigner/icons/vspacer.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="1" anchor="0" fill="2" />
+      </item>
+      <item class="javax.swing.JPanel" icon="/com/intellij/uiDesigner/icons/panel.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JScrollPane" icon="/com/intellij/uiDesigner/icons/scrollPane.png" removable="false" auto-create-binding="false" can-attach-label="true">
+        <default-constraints vsize-policy="7" hsize-policy="7" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JButton" icon="/com/intellij/uiDesigner/icons/button.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="0" fill="1" />
+        <initial-values>
+          <property name="text" value="Button" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JRadioButton" icon="/com/intellij/uiDesigner/icons/radioButton.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="RadioButton" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JCheckBox" icon="/com/intellij/uiDesigner/icons/checkBox.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="CheckBox" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JLabel" icon="/com/intellij/uiDesigner/icons/label.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="0" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="Label" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JTextField" icon="/com/intellij/uiDesigner/icons/textField.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JPasswordField" icon="/com/intellij/uiDesigner/icons/passwordField.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JFormattedTextField" icon="/com/intellij/uiDesigner/icons/formattedTextField.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTextArea" icon="/com/intellij/uiDesigner/icons/textArea.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTextPane" icon="/com/intellij/uiDesigner/icons/textPane.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JEditorPane" icon="/com/intellij/uiDesigner/icons/editorPane.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JComboBox" icon="/com/intellij/uiDesigner/icons/comboBox.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="2" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JTable" icon="/com/intellij/uiDesigner/icons/table.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JList" icon="/com/intellij/uiDesigner/icons/list.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="2" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTree" icon="/com/intellij/uiDesigner/icons/tree.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTabbedPane" icon="/com/intellij/uiDesigner/icons/tabbedPane.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
+          <preferred-size width="200" height="200" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JSplitPane" icon="/com/intellij/uiDesigner/icons/splitPane.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
+          <preferred-size width="200" height="200" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JSpinner" icon="/com/intellij/uiDesigner/icons/spinner.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JSlider" icon="/com/intellij/uiDesigner/icons/slider.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JSeparator" icon="/com/intellij/uiDesigner/icons/separator.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JProgressBar" icon="/com/intellij/uiDesigner/icons/progressbar.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1" />
+      </item>
+      <item class="javax.swing.JToolBar" icon="/com/intellij/uiDesigner/icons/toolbar.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1">
+          <preferred-size width="-1" height="20" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JToolBar$Separator" icon="/com/intellij/uiDesigner/icons/toolbarSeparator.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="0" anchor="0" fill="1" />
+      </item>
+      <item class="javax.swing.JScrollBar" icon="/com/intellij/uiDesigner/icons/scrollbar.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="0" anchor="0" fill="2" />
+      </item>
+    </group>
+  </component>
+</project>

.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

registermaschine.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

src/Configuration.java

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+public class Configuration {
+    public final static int NUM_REGISTERS = 10;
+    int ic; // Instruction Counter
+    int[] registers = new int[NUM_REGISTERS];
+
+    public Configuration() {
+        init();
+    }
+
+    public void init() {
+        ic = 0;
+
+        for(int i = 0; i < registers.length; i++) {
+            registers[i] = 0;
+        }
+    }
+
+    public int getIC() {
+        return ic;
+    }
+
+    public void setIC(int nic) {
+        ic = nic;
+    }
+
+    public void incIC() {
+        ic++;
+    }
+
+    public void setRegister(int i, int val) {
+        registers[i] = val;
+    }
+
+    public int getRegister(int i) {
+        return registers[i];
+    }
+
+    @Override
+    public String toString() {
+        String out = "";
+
+        for(int r : registers) {
+            out += r + ",";
+        }
+
+        return "[" + out + "...";
+    }
+}

src/Instruction.java

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+public interface Instruction {
+    void eval(Configuration config);
+    String toString();
+}
+
+/*
+ *
+ * ADD
+ * CADD
+ *
+ * SUB
+ * CSUb
+ *
+ * MULT
+ * CMULT
+ *
+ * DIV
+ * CDIV
+ *
+ * GOTO
+ * IFGOTO
+ *
+ * LOAD
+ * STORE
+ *
+ */

src/InstructionAdd.java

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+public class InstructionAdd implements Instruction {
+    private int reg;
+
+    public InstructionAdd(int i) {
+        reg = i;
+    }
+
+    public void eval(Configuration config) {
+        config.setRegister(0, config.getRegister(0) + config.getRegister(reg));
+        config.incIC();
+    }
+
+    @Override
+    public String toString() {
+        return "ADD " + reg;
+    }
+}

src/InstructionCAdd.java

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+public class InstructionCAdd implements Instruction {
+    private int con;
+
+    public InstructionCAdd(int i) {
+        con = i;
+    }
+
+    public void eval(Configuration config) {
+        config.setRegister(0, config.getRegister(0) + con);
+        config.incIC();
+    }
+
+    @Override
+    public String toString() {
+        return "CADD " + con;
+    }
+}

src/InstructionCDiv.java

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+public class InstructionCDiv implements Instruction {
+    private int con;
+
+    public InstructionCDiv(int i) {
+        con = i;
+    }
+
+    public void eval(Configuration config) {
+        config.setRegister(0, config.getRegister(0) / con);
+        config.incIC();
+    }
+
+    @Override
+    public String toString() {
+        return "CDIV " + con;
+    }
+}

src/InstructionCMult.java

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+public class InstructionCMult implements Instruction {
+    private int con;
+
+    public InstructionCMult(int i) {
+        con = i;
+    }
+
+    public void eval(Configuration config) {
+        config.setRegister(0, config.getRegister(0) * con);
+        config.incIC();
+    }
+
+    @Override
+    public String toString() {
+        return "CMULT " + con;
+    }
+}

src/InstructionCSub.java

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+public class InstructionCSub implements Instruction {
+    private int con;
+
+    public InstructionCSub(int i) {
+        con = i;
+    }
+
+    public void eval(Configuration config) {
+        config.setRegister(0, config.getRegister(0) - con);
+        config.incIC();
+    }
+
+    @Override
+    public String toString() {
+        return "CSUB " + con;
+    }
+}

src/InstructionDiv.java

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+public class InstructionDiv implements Instruction {
+    private int reg;
+
+    public InstructionDiv(int i) {
+        reg = i;
+    }
+
+    public void eval(Configuration config) {
+        config.setRegister(0, config.getRegister(0) / config.getRegister(reg));
+        config.incIC();
+    }
+
+    @Override
+    public String toString() {
+        return "DIV " + reg;
+    }
+}

src/InstructionEnd.java

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+public class InstructionEnd implements Instruction {
+    public InstructionEnd() {
+
+    }
+
+    public void eval(Configuration config) {
+
+    }
+
+    @Override
+    public String toString() {
+        return "END";
+    }
+}

src/InstructionGoto.java

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+public class InstructionGoto implements Instruction {
+    private int reg;
+
+    public InstructionGoto(int i) {
+        reg = i;
+    }
+
+    public void eval(Configuration config) {
+        config.setIC(reg);
+    }
+}

src/InstructionIfGoto.java

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+public class InstructionIfGoto implements Instruction {
+    private int reg;
+
+    public InstructionIfGoto(int i) {
+        reg = i;
+    }
+
+    public void eval(Configuration config) {
+        if(config.getRegister(0) == 0) {
+            config.setIC(reg);
+        }
+        else {
+            config.incIC();
+        }
+    }
+}

src/InstructionLoad.java

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+public class InstructionLoad implements Instruction {
+    private int reg;
+
+    public InstructionLoad(int i) {
+        reg = i;
+    }
+
+    public void eval(Configuration config) {
+        config.setRegister(0, config.getRegister(reg));
+        config.incIC();
+    }
+
+    @Override
+    public String toString() {
+        return "LOAD " + reg;
+    }
+}

src/InstructionMult.java

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+public class InstructionMult implements Instruction {
+    private int reg;
+
+    public InstructionMult(int i) {
+        reg = i;
+    }
+
+    public void eval(Configuration config) {
+        config.setRegister(0, config.getRegister(0) * config.getRegister(reg));
+        config.incIC();
+    }
+
+    @Override
+    public String toString() {
+        return "MULT " + reg;
+    }
+}

src/InstructionStore.java

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+public class InstructionStore implements Instruction {
+    private int reg;
+
+    public InstructionStore(int i) {
+        reg = i;
+    }
+
+    public void eval(Configuration config) {
+        config.setRegister(reg, config.getRegister(0));
+        config.incIC();
+    }
+
+    @Override
+    public String toString() {
+        return "STORE " + reg;
+    }
+}

src/InstructionSub.java

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+public class InstructionSub implements Instruction {
+    private int reg;
+
+    public InstructionSub(int i) {
+        reg = i;
+    }
+
+    public void eval(Configuration config) {
+        config.setRegister(0, config.getRegister(0) - config.getRegister(reg));
+        config.incIC();
+    }
+
+    @Override
+    public String toString() {
+        return "SUB " + reg;
+    }
+}

src/Machine.java

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+public class Machine {
+    private Configuration config = null;
+    private Instruction[] program = null;
+
+    public Machine() {
+        config = new Configuration();
+    }
+
+    public void setProgram(Instruction[] prog) {
+        program = prog;
+    }
+
+    public void setProgram(String prog) {
+        String[] lines = prog.split("\\n");
+
+        Instruction[] instructions = new Instruction[lines.length];
+
+        for(int i = 0; i < lines.length; i++) {
+            String[] words = lines[i].split(" ");
+
+            switch (words[0]) {
+                case "ADD":
+                    instructions[i] = new InstructionAdd(Integer.parseInt(words[1]));
+                    break;
+                case "CADD":
+                    instructions[i] = new InstructionCAdd(Integer.parseInt(words[1]));
+                    break;
+                case "SUB":
+                    instructions[i] = new InstructionSub(Integer.parseInt(words[1]));
+                    break;
+                case "CSUB":
+                    instructions[i] = new InstructionCSub(Integer.parseInt(words[1]));
+                    break;
+                case "MULT":
+                    instructions[i] = new InstructionMult(Integer.parseInt(words[1]));
+                    break;
+                case "CMULT":
+                    instructions[i] = new InstructionCMult(Integer.parseInt(words[1]));
+                    break;
+                case "DIV":
+                    instructions[i] = new InstructionDiv(Integer.parseInt(words[1]));
+                    break;
+                case "CDIV":
+                    instructions[i] = new InstructionCDiv(Integer.parseInt(words[1]));
+                    break;
+                case "LOAD":
+                    instructions[i] = new InstructionLoad(Integer.parseInt(words[1]));
+                    break;
+                case "STORE":
+                    instructions[i] = new InstructionStore(Integer.parseInt(words[1]));
+                    break;
+                case "GOTO":
+                    instructions[i] = new InstructionGoto(Integer.parseInt(words[1]));
+                    break;
+                case "IFGOTO":
+                    instructions[i] = new InstructionIfGoto(Integer.parseInt(words[1]));
+                    break;
+                case "END":
+                    instructions[i] = new InstructionEnd();
+                    break;
+            }
+        }
+
+        program = instructions;
+    }
+
+    public void run() {
+        int ic;
+        while(!program[config.getIC()].toString().equals("END")) {
+            ic = config.getIC();
+            program[ic].eval(config);
+
+            System.out.println(program[ic].toString() + " " + config.toString());
+        }
+    }
+
+    public Configuration getConfiguration() {
+        return config;
+    }
+
+    public static void main(String[] args) {
+        Instruction[] prog = {
+                new InstructionLoad(1),
+                new InstructionCAdd(32),
+                new InstructionStore(1),
+                new InstructionEnd()
+        };
+
+        String str = "LOAD 1\nCADD 32\nEND";
+        System.out.println(str);
+
+        Machine machine = new Machine();
+        machine.setProgram(str);
+        machine.getConfiguration().setRegister(1, 32);
+        machine.run();
+
+        System.out.println(machine.getConfiguration().toString());
+    }
+}