diff --git a/consts.c b/consts.c
index efb7fc7..4a9d776 100644
--- a/consts.c
+++ b/consts.c
@@ -1,6 +1,6 @@
 #ifndef CONSTS
 #define CONSTS
-#define VERSION 2
+#define VERSION 3
 
 #endif /* ifndef CONSTS
 #define CONSTS
diff --git a/instruktion.c b/instruktion.c
index d86a68f..015d2c4 100644
--- a/instruktion.c
+++ b/instruktion.c
@@ -22,5 +22,17 @@
 #define RSF 14
 #define PUSHL 15
 #define POPL 16
+#define EQ 17
+#define NE 18
+#define LT 19
+#define LE 20
+#define GT 21
+#define GE 22
+#define JMP 23
+#define BRF 24
+#define BRT 25
+#define CALL 26
+#define RET 27
+#define DROP 28
 
 #endif /* ifndef INSREUKTION */
diff --git a/njvm.c b/njvm.c
index c3561bb..98e3c36 100644
--- a/njvm.c
+++ b/njvm.c
@@ -7,9 +7,8 @@
 #include "codeReader.c"
 #include "SDA.c"
 
-//Comment to disable debug
-
-#define DEBUG
+ // Debug
+int debug = 1;
 
 // Stack
 struct stack stack;
@@ -38,81 +37,136 @@ void execute(struct program program) {
     for (i = 0; i < *program.size; ++i) {
         switch (program.program[i] >> 24) {
             case HALT:
+                if(debug == 1) printf("halt\n");
                 goto end;
             case PUSHC:
+			          if(debug == 1) printf("pushc\n");        		
                 push(stack, SIGN_EXTEND(IMMEDIATE(program.program[i])));
                 break;
             case ADD:
+                if(debug == 1) printf("add\n");
                 push(stack, pop(stack) + pop(stack));
                 break;
             case SUB:
+                if(debug == 1) printf("sub\n");
                 temp = pop(stack);
                 push(stack, pop(stack) - temp);
                 break;
             case MUL:
+                if(debug == 1) printf("mul\n");
                 push(stack, pop(stack) * pop(stack));
                 break;
             case DIV:
+                if(debug == 1) printf("div\n");
                 temp = pop(stack);
                 push(stack, pop(stack) / temp);
                 break;
             case MOD:
+                if(debug == 1) printf("mod\n");
                 temp = pop(stack);
                 push(stack, pop(stack) % temp);
                 break;
             case RDINT:
+                if(debug == 1) printf("rdint\n");
                 scanf("%i", &intInput);
                 push(stack, intInput);
                 break;
             case WRINT:
+                if(debug == 1) printf("wrint\n");
                 printf("%i", pop(stack));
                 break;
             case RDCHR:
+                if(debug == 1) printf("rdchr\n");
                 scanf("%c", &charInput);
                 push(stack, charInput);
                 break;
             case WRCHR:
+                if(debug == 1) printf("wrchr\n");
                 printf("%c", pop(stack));
                 break;
             case PUSHG:
+                if(debug == 1) printf("pushg\n");
                 push(stack, getSDA(SIGN_EXTEND(IMMEDIATE(program.program[i])), sda));
                 break;
             case POPG:
+                if(debug == 1) printf("popg\n");
                 setSDA(SIGN_EXTEND(IMMEDIATE(program.program[i])), pop(stack), sda);
                 break;
             case ASF:
+                if(debug == 1) printf("asf\n");
                 push(stack, *stack.current);
                 fp = *stack.current - 1;
                 *stack.current = *stack.current + SIGN_EXTEND(IMMEDIATE(program.program[i]));
                 break;
             case RSF:
+                if(debug == 1) printf("rsf\n");
                 *stack.current = fp + 2;
                 fp = pop(stack);
             case POPL:
+                if(debug == 1) printf("popl\n");
                 stack.stack[fp + SIGN_EXTEND(IMMEDIATE(program.program[i]))] = pop(stack);
                 break;
             case PUSHL:
+                if(debug == 1) printf("pushl\n");
                 push(stack, stack.stack[fp + SIGN_EXTEND(IMMEDIATE(program.program[i]))]);
                 break;
+            case NE:
+                if(debug == 1) printf("ne\n");
+                if (pop(stack) != pop(stack)) push(stack, 1);
+		              else push(stack, 0);
+                break;
+	          case EQ: 
+                if(debug == 1) printf("eq\n");
+                if (pop(stack) == pop(stack)) push(stack, 1);
+		              else push(stack, 0);
+                break;
+	          case LT:
+                if(debug == 1) printf("lt\n");
+                temp = pop(stack);
+                if (pop(stack) < temp) push(stack, 1);
+		              else push(stack, 0);
+                break;
+	          case LE:
+                if(debug == 1) printf("le\n");
+                temp = pop(stack);
+                if (pop(stack) <= temp) push(stack, 1);
+		              else push(stack, 0);
+                break;
+	          case GT:
+                if(debug == 1) printf("gt\n");
+                temp = pop(stack);
+                if (pop(stack) > temp) push(stack, 1);
+		              else push(stack, 0);
+                break;
+	          case GE:
+                if(debug == 1) printf("ge\n");
+                temp = pop(stack);
+                if (pop(stack) >= temp) push(stack, 1);
+		              else push(stack, 0);
+                break;
+            case BRF:
+                if(debug == 1) printf("brf\n");
+                if(pop(stack)==0)
+                  i = SIGN_EXTEND(IMMEDIATE(program.program[i]));
+                break;
+            case BRT:
+                if(debug == 1) printf("brt\n");
+                if(pop(stack)==1)
+                  i = SIGN_EXTEND(IMMEDIATE(program.program[i]));
+            case JMP:
+                if(debug == 1) printf("jmp\n");
+                i = SIGN_EXTEND(IMMEDIATE(program.program[i]));
+                break;
         }
     }
     end:
     return;
 }
-#ifdef DEBUG
 
 void tests(void) {
-    printf("Runnig debug mode\n");
-    int temp = fromFile("./prog1.bin", program);
-    int sizeSDA = temp;
-    unsigned int s[sizeSDA];
-    sda.size = &temp;
-    sda.sda = s;
-    printProgram(program);
+    
 }
 
-#endif /* ifdef DEBUG */
-
 int main(int argc, char *argv[]) {
     // Initialize the Stack
     int size = SIZE;
@@ -130,8 +184,11 @@ int main(int argc, char *argv[]) {
     program.program = p;
     program.saveProgram = &saveProgram;
 
-    int debug = 0;
-
+    if (argc > 2) {
+      if (strcmp(argv[2], "--debug")) {
+        debug = 1;
+      }
+    }
     if (debug){
     tests();
     }
diff --git a/programs/nja b/programs/nja
index ffb2771..1ed10bf 100755
Binary files a/programs/nja and b/programs/nja differ
diff --git a/programs/prog4.asm b/programs/prog4.asm
new file mode 100644
index 0000000..b9e89b5
--- /dev/null
+++ b/programs/prog4.asm
@@ -0,0 +1,61 @@
+//
+// prog1.asm -- an assembler example with global variables
+//
+
+//
+// compute the gcd of two positive numbers
+//
+// global Integer x;
+// global Integer y;
+// x = readInteger();
+// y = readInteger();
+// while (x != y) {
+//   if (x > y) {
+//     x = x - y;
+//   } else {
+//     y = y - x;
+//   }
+// }
+// writeInteger(x);
+// writeCharacter('\n');
+
+	// x = readInteger();
+	rdint
+	popg	0
+	// y = readInteger();
+	rdint
+	popg	1
+	// while ...
+L1:
+	// x != y
+	pushg	0
+	pushg	1
+	ne
+	brf	L2
+	// if ...
+	pushg	0
+	pushg	1
+	gt
+	brf	L3
+	// x = x - y
+	pushg	0
+	pushg	1
+	sub
+	popg	0
+	jmp	L4
+L3:
+	// y = y - x
+	pushg	1
+	pushg	0
+	sub
+	popg	1
+L4:
+	jmp	L1
+L2:
+	// writeInteger(x);
+	pushg	0
+	wrint
+	// writeCharacter('\n');
+	pushc	'\n'
+	wrchr
+	halt
diff --git a/programs/prog4.bin b/programs/prog4.bin
new file mode 100644
index 0000000..da8f524
Binary files /dev/null and b/programs/prog4.bin differ
diff --git a/programs/prog5.asm b/programs/prog5.asm
new file mode 100644
index 0000000..2361a26
--- /dev/null
+++ b/programs/prog5.asm
@@ -0,0 +1,63 @@
+//
+// prog2.asm -- an assembler example with local variables
+//
+
+//
+// compute the gcd of two positive numbers
+//
+// local Integer x;
+// local Integer y;
+// x = readInteger();
+// y = readInteger();
+// while (x != y) {
+//   if (x > y) {
+//     x = x - y;
+//   } else {
+//     y = y - x;
+//   }
+// }
+// writeInteger(x);
+// writeCharacter('\n');
+
+	asf	2
+	// x = readInteger();
+	rdint
+	popl	0
+	// y = readInteger();
+	rdint
+	popl	1
+	// while ...
+L1:
+	// x != y
+	pushl	0
+	pushl	1
+	ne
+	brf	L2
+	// if ...
+	pushl	0
+	pushl	1
+	gt
+	brf	L3
+	// x = x - y
+	pushl	0
+	pushl	1
+	sub
+	popl	0
+	jmp	L4
+L3:
+	// y = y - x
+	pushl	1
+	pushl	0
+	sub
+	popl	1
+L4:
+	jmp	L1
+L2:
+	// writeInteger(x);
+	pushl	0
+	wrint
+	// writeCharacter('\n');
+	pushc	'\n'
+	wrchr
+	rsf
+	halt
diff --git a/programs/prog5.bin b/programs/prog5.bin
new file mode 100644
index 0000000..36d2c44
Binary files /dev/null and b/programs/prog5.bin differ
diff --git a/programs/prog6.asm b/programs/prog6.asm
new file mode 100644
index 0000000..b9e89b5
--- /dev/null
+++ b/programs/prog6.asm
@@ -0,0 +1,61 @@
+//
+// prog1.asm -- an assembler example with global variables
+//
+
+//
+// compute the gcd of two positive numbers
+//
+// global Integer x;
+// global Integer y;
+// x = readInteger();
+// y = readInteger();
+// while (x != y) {
+//   if (x > y) {
+//     x = x - y;
+//   } else {
+//     y = y - x;
+//   }
+// }
+// writeInteger(x);
+// writeCharacter('\n');
+
+	// x = readInteger();
+	rdint
+	popg	0
+	// y = readInteger();
+	rdint
+	popg	1
+	// while ...
+L1:
+	// x != y
+	pushg	0
+	pushg	1
+	ne
+	brf	L2
+	// if ...
+	pushg	0
+	pushg	1
+	gt
+	brf	L3
+	// x = x - y
+	pushg	0
+	pushg	1
+	sub
+	popg	0
+	jmp	L4
+L3:
+	// y = y - x
+	pushg	1
+	pushg	0
+	sub
+	popg	1
+L4:
+	jmp	L1
+L2:
+	// writeInteger(x);
+	pushg	0
+	wrint
+	// writeCharacter('\n');
+	pushc	'\n'
+	wrchr
+	halt