Examples of de.danielkullmann.hackvm.HackVM

de.danielkullmann.hackvm.HackVM
Instruction Description: ' ' Do Nothing 'p' Print S0 interpreted as an integer 'P' Print S0 interpreted as an ASCII character (only the least significant 7 bits of the value are used) '0' Push the value 0 on the stack '1' Push the value 1 on the stack '2' Push the value 2 on the stack '3' Push the value 3 on the stack '4' Push the value 4 on the stack '5' Push the value 5 on the stack '6' Push the value 6 on the stack '7' Push the value 7 on the stack '8' Push the value 8 on the stack '9' Push the value 9 on the stack '+' Push S1+S0 '-' Push S1-S0 '*' Push S1*S0 '/' Push S1/S0 ':' Push -1 if S1S0 'g' Add S0 to the program counter '?' Add S0 to the program counter if S1 is 0 'c' Push the program counter on the call stack and set the program counter to S0 '$' Set the program counter to the value pop'ed from the call stack '<' Push the value of memory cell S0 '>' Store S1 into memory cell S0 '^' Push a copy of S (ex: 0^ duplicates S0) 'v' Remove S from the stack and push it on top (ex: 1v swaps S0 and S1) 'd' Drop S0 '!' Terminate the program @author daku

import de.danielkullmann.hackvm.VMState;


public class Test3 extends TestCase {


  public void testFibonacci() {
    HackVM vm = new HackVM();
    VMState result = vm.execute("1p 48*P 1p 48*P 2p 48*P 3p 48*P 5p", "", "");
    assertNull( result.getError() );
    assertEquals( result.getOutput(), "1 1 2 3 5" );
  }

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    assertNull( result.getError() );
    assertEquals( result.getOutput(), "1 1 2 3 5" );
  }


  public void testReverseList() {
    HackVM vm = new HackVM();
    //                           setup   loop loop end?      copy one
    VMState result = vm.execute("0^2v+1- 1^1^ 1^1^:0^1-*55*? <1v<2^>2^> 1v1+ 1v1- 8$!", "5, 1024", "1024=5,6,7,8,9");
    HashMap<Integer, Integer> m = HackVM.parseMemory( "1024=9,8,7,6,5" );
    assertNull( result.getError() );
    assertEquals( result.getMemory(), m );
  }

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public class AddTwoAndPrint implements SolutionCheck {


  @Override
  public boolean check(String program) {
    Random r = new Random();
    HackVM vm = new HackVM();
    for (int i = 0; i < 100; i++) {
      int n1 = r.nextInt();
      int n2 = r.nextInt();
      Stack<Integer> stack = HackVM.parseStack( n1 + " " + n2 );
      VMState result = vm.execute(program, stack, null);
      if ( ! result.getOutput().equals( "" + (n1+n2) ) ) return false;
    }
    return true;
  }

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  public static void main(String[] args) {
    new ReverseList().run();
  }


  private void run() {
    HackVM vm = new HackVM();
    //          setup   loop loop end?      copy one
    vm.addObserver( this );
    VMState result = vm.execute("0^2v+1- 1^1^ 1^1^:0^1-*55*? <1v<2^>2^> 1v1+ 1v1- 8$!", "5, 1024", "1024=5,6,7,8,9");
    System.out.println( result.getError() );
    System.out.println( result.getMemory() );
  }

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import de.danielkullmann.hackvm.VMState;


public class Test1 extends TestCase {


  public void test1() {
    HackVM vm = new HackVM();


    VMState result = vm.execute( " ", "", null );
    assertNull( result.getError() );
    assertTrue( result.getStack().size() == 0 );


    result = vm.execute( "p", "1", null );
    assertNull( result.getError() );
    assertTrue( result.getStack().size() == 0 );
    assertTrue( result.getOutput().equals( "1" ) );


    result = vm.execute( "P", "65", null );
    assertNull( result.getError() );
    assertTrue( result.getStack().size() == 0 );
    assertTrue( result.getOutput().equals( "A" ) );


    for (int i = 0; i < 10; i++) {
      result = vm.execute( ""+i, "", null );
      assertNull( result.getError() );
      assertTrue( result.getStack().size() == 1 );
      assertTrue( result.getStack().pop() == i );
    }


    result = vm.execute( "+", "7, 8", null );
    assertNull( result.getError() );
    assertTrue( result.getStack().size() == 1 );
    assertTrue( result.getStack().peek() == 15 );


    result = vm.execute( "-", "7, 8", null );
    assertNull( result.getError() );
    assertTrue( result.getStack().size() == 1 );
    assertTrue( result.getStack().peek() == -1 );


    result = vm.execute( "*", "7, 8", null );
    assertNull( result.getError() );
    assertTrue( result.getStack().size() == 1 );
    assertTrue( result.getStack().peek() == 56 );


    result = vm.execute( "/", "6, 3", null );
    assertNull( result.getError() );
    assertTrue( result.getStack().size() == 1 );
    assertTrue( result.getStack().peek() == 2 );
    
    result = vm.execute( ":", "6, 3", null );
    assertNull( result.getError() );
    assertTrue( result.getStack().size() == 1 );
    assertTrue( result.getStack().peek() == 1 );
    
    result = vm.execute( ":", "3, 6", null );
    assertNull( result.getError() );
    assertTrue( result.getStack().size() == 1 );
    assertTrue( result.getStack().peek() == -1 );
    
    result = vm.execute( ":", "8, 8", null );
    assertNull( result.getError() );
    assertTrue( result.getStack().size() == 1 );
    assertTrue( result.getStack().peek() == 0 );
    
    result = vm.execute( "g!1", "2", null );
    assertNull( result.getError() );
    assertTrue( result.getStack().size() == 1 );
    assertTrue( result.getStack().peek() == 1 );


    result = vm.execute( "g!1", "1", null );
    assertNull( result.getError() );
    assertTrue( result.getStack().size() == 0 );


    result = vm.execute( "?!1", "0, 2", null );
    assertNull( result.getError() );
    assertTrue( result.getStack().size() == 1 );
    assertTrue( result.getStack().peek() == 1 );


    result = vm.execute( "?!1", "1, 2", null );
    assertNull( result.getError() );
    assertTrue( result.getStack().size() == 0 );


    result = vm.execute( "      c1!", "8", null );
    assertNull( result.getError() );
    assertTrue( result.getStack().size() == 1 );
    assertTrue( result.getStack().peek() == 6 );


    result = vm.execute( "      $1!", "8", null );
    assertNull( result.getError() );
    assertTrue( result.getStack().size() == 0 );


    result = vm.execute( "<", "1", null );
    assertNull( result.getError() );
    assertTrue( result.getStack().size() == 1 );
    assertTrue( result.getStack().peek() == 0 );


    result = vm.execute( "><", "1, 2, 1", null );
    assertNull( result.getError() );
    assertTrue( result.getStack().size() == 1 );
    assertTrue( result.getStack().peek() == 2 );
    
    result = vm.execute( "^", "4, 0", null );
    assertNull( result.getError() );
    assertTrue( result.getStack().size() == 2 );
    assertTrue( result.getStack().pop() == 4 );
    assertTrue( result.getStack().pop() == 4 );


    result = vm.execute( "^", "1, 2, 3, 4, 2", null );
    assertNull( result.getError() );
    assertTrue( result.getStack().size() == 5 );
    assertTrue( result.getStack().pop() == 2 );
    assertTrue( result.getStack().pop() == 4 );
    assertTrue( result.getStack().pop() == 3 );
    assertTrue( result.getStack().pop() == 2 );
    assertTrue( result.getStack().pop() == 1 );


    result = vm.execute( "v", "4, 0", null );
    assertNull( result.getError() );
    assertTrue( result.getStack().size() == 1 );
    assertTrue( result.getStack().peek() == 4 );


    result = vm.execute( "v", "1, 2, 3, 4, 2", null );
    assertNull( result.getError() );
    assertTrue( result.getStack().size() == 4 );
    assertTrue( result.getStack().pop() == 2 );
    assertTrue( result.getStack().pop() == 4 );
    assertTrue( result.getStack().pop() == 3 );
    assertTrue( result.getStack().pop() == 1 );
  
    result = vm.execute( "d", "1", null );
    assertNull( result.getError() );
    assertTrue( result.getStack().size() == 0 );


    result = vm.execute( "ddddd", "1, 2, 3, 4, 5, 6, 7, 8, 9", null );
    assertNull( result.getError() );
    assertTrue( result.getStack().size() == 4 );
    assertTrue( result.getStack().pop() == 4 );
    assertTrue( result.getStack().pop() == 3 );
    assertTrue( result.getStack().pop() == 2 );
    assertTrue( result.getStack().pop() == 1 );


    result = vm.execute( "!11111", "", null );
    assertNull( result.getError() );
    assertTrue( result.getStack().size() == 0 );


    result = vm.execute( "11!111", "", null );
    assertNull( result.getError() );
    assertTrue( result.getStack().size() == 2 );


  }

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Related Classes of de.danielkullmann.hackvm.HackVM

de.danielkullmann.hackvm.solutions.AddTwoAndPrint

de.danielkullmann.hackvm.tests.ReverseList

de.danielkullmann.hackvm.tests.Test1

de.danielkullmann.hackvm.tests.Test3

java.util.StringTokenizer

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