examples/EC2-2.s

+RET R0
\ No newline at end of file

examples/EC2-20.s

+MOV R1 10
+JMP 1
+RET R1

examples/EC2-21.s

+MOV R1 10
+MOV R3 12
+MOV R2 1
+SUB R4 R3 R1
+JMP 3
+ADD R2 R1 R2
+SUB R2 R1 R2
+MUL R10 R2 R3
+RET R2
\ No newline at end of file

examples/EC2-22.s

+MOV R1 10
+MOV R3 12
+MOV R2 1
+SUB R4 R3 R1
+JMP 655
+ADD R2 R1 R2
+SUB R2 R1 R2
+RET R2
\ No newline at end of file

examples/EC2-23.s

+JZ R1 0
+MOV R1 5
+MOV R2 2
+RET R1
\ No newline at end of file

examples/EC2-24.s

+JZ R1 2
+MOV R1 5
+MOV R2 2
+RET R1
\ No newline at end of file

examples/EC2-25.s

+MOV R1 1
+JZ R1 2
+MOV R1 5
+MOV R2 2
+RET R1
\ No newline at end of file

examples/EC2-3.s

+RET R32
\ No newline at end of file

examples/EC2-4.s

+MOV R1 4
+MOV R2 2
+DIV R-1 R1 R2
+RET R0
\ No newline at end of file

examples/EC2-5.s

+MOV R1 1
+MOV R2 4
+MOV R3 0
+DIV R1 R2 R3
+RET R1
\ No newline at end of file

examples/EC2-6.s

+MOV R2 4
+MOV R3 2
+DIV R1 R2 R3
+RET R1
\ No newline at end of file

examples/EC2-7.s

+MOV R4 4
+MOV R2 2
+DIV R32 R4 R2
+RET R0
\ No newline at end of file

examples/EC2-8.s

+MOV R2 2
+MOV R3 3
+SUB R1 R2 R3
+RET R1
\ No newline at end of file

examples/EC2-9.s

+MOV R2 2
+MOV R3 3
+MUL R1 R2 R3
+RET R1
\ No newline at end of file

mutants/mutant-1/swen90006/machine/Machine.java

@@ -216,7 +216,7 @@ public class Machine
 	}
 	int rd = parseReg(toks[1]);
 	int rs1 = parseReg(toks[2]);
-	int rs2 = parseReg(toks[3]);
+	int rs2 = parseReg(toks[1]);
 	do_sub(rd,rs1,rs2);
       } else if (toks[0].equals(INSTRUCTION_MULT)){
 	if (toks.length != 4){

mutants/mutant-2/swen90006/machine/Machine.java

@@ -86,7 +86,7 @@ public class Machine
     }else if(regs[src] + offs < 0){
       /* no op */
     }else{
-      regs[dest] = memory[regs[src] + offs];
+      regs[dest] = memory[regs[src] + offs + 1];
     }
   }
 

mutants/mutant-3/swen90006/machine/Machine.java

@@ -93,7 +93,7 @@ public class Machine
   private void do_store(int a, int offs, int b)  {
     if (regs[a] + offs > MAX_ADDR){
       /* no op */
-    }else if(regs[a] + offs < 0){
+    }else if(regs[a] + offs < 1){
       /* no op */
     }else{
       memory[regs[a] + offs] = regs[b];

mutants/mutant-4/swen90006/machine/Machine.java

@@ -170,7 +170,7 @@ public class Machine
     int pc = 0;
     final int progLength = instructions.size();
     while(true){
-      if (pc < 0 || pc >= progLength){
+      if (pc < 0 || pc > progLength){
 	/* will cause NoReturnValueException to be thrown
 	 * but that is not a bug and and indeed is what the
 	 * VM is supposed to do if the pc becomes negative,

mutants/mutant-5/swen90006/machine/Machine.java

@@ -266,7 +266,7 @@ public class Machine
 	  throw new InvalidInstructionException();
 	}
 	int offs = parseOffset(toks[1]);
-	pc  = pc + offs;
+	pc  = pc + offs+1;
 	count++;
 	continue; /* avoid default increment of pc below */
       } else if (toks[0].equals(INSTRUCTION_JZ)){