diff --git a/VaninVM/Main.c b/VaninVM/Main.c
index 45c985b..1aaf41e 100644
--- a/VaninVM/Main.c
+++ b/VaninVM/Main.c
@@ -47,87 +47,109 @@ int main(int argc, char** argv)
 				push_int(-1);
 				ip++; break;
 			case DADD:
+				//DO(DADD, "Add 2 doubles on TOS, push value back.", 1)
 				d1 = pop_double();
 				d2 = pop_double();
 				d1 += d2;
 				push_double(d1);
 				ip++; break;
 			case IADD:
+				//DO(IADD, "Add 2 ints on TOS, push value back.", 1)
 				i1 = pop_int();
 				i2 = pop_int();
 				i1 += i2;
 				push_int(i1);
 				ip++; break;
 			case DSUB:
+				//DO(DSUB, "Subtract 2 doubles on TOS (lower from upper), push value back.", 1)
 				d1 = pop_double();
 				d2 = pop_double();
 				d1 -= d2;
 				push_double(d1);
 				ip++; break;
 			case ISUB:
+				//DO(ISUB, "Subtract 2 ints on TOS (lower from upper), push value back.", 1)
 				i1 = pop_int();
 				i2 = pop_int();
 				i1 -= i2;
 				push_int(i1);
 				ip++; break;
 			case DMUL:
+				//DO(DMUL, "Multiply 2 doubles on TOS, push value back.", 1)
 				d1 = pop_double();
 				d2 = pop_double();
 				d1 *= d2;
 				push_double(d1);
 				ip++; break;
 			case IMUL:
+				//DO(IMUL, "Multiply 2 ints on TOS, push value back.", 1)
 				i1 = pop_int();
 				i2 = pop_int();
 				i1 *= i2;
 				push_int(i1);
 				ip++; break;
 			case DDIV:
+				//DO(DDIV, "Divide 2 doubles on TOS (upper to lower), push value back.", 1)
 				d1 = pop_double();
 				d2 = pop_double();
 				d1 /= d2;
 				push_double(d1);
 				ip++; break;
 			case IDIV:
+				//DO(IDIV, "Divide 2 ints on TOS (upper to lower), push value back.", 1)
 				i1 = pop_int();
 				i2 = pop_int();
 				i1 /= i2;
 				push_int(i1);
 				ip++; break;
 			case IMOD:
+				//DO(IMOD, "Modulo operation on 2 ints on TOS (upper to lower), push value back.", 1)
 				i1 = pop_int();
 				i2 = pop_int();
 				i1 %= i2;
 				push_int(i1);
 				ip++; break;
 			case DNEG:
+				//DO(DNEG, "Negate double on TOS.", 1)
 				d1 = pop_double();
 				d1 = -d1;
 				push_double(d1);
 				ip++; break;
 			case INEG:
+				//DO(INEG, "Negate int on TOS.", 1)
 				i1 = pop_int();
 				i1 = - i1;
 				push_int(i1);
 				ip++; break;
 			case IAOR:
+				//DO(IAOR, "Arithmetic OR of 2 ints on TOS, push value back.", 1)
 				i1 = pop_int();
 				i2 = pop_int();
 				i1 = i1 | i2;
 				push_int(i1);
-				ip++;break;
-			case DPRINT:
-				printf("%f", pop_double());
 				ip++; break;
+			case IAAND:
+				//DO(IAAND, "Arithmetic AND of 2 ints on TOS, push value back.", 1)
+				ip++; break;
+			case IAXOR:
+				//DO(IAXOR, "Arithmetic XOR of 2 ints on TOS, push value back.", 1)
 			case IPRINT:
-				printf("%d", pop_int());
+				//DO(IPRINT, "Pop and print integer TOS.", 1)
+				i1 = pop_int();
+				push_int(i1);
+				printf("%d", i1);
+				ip++; break;
+			case DPRINT:
+				//DO(DPRINT, "Pop and print double TOS.", 1)
+				d1 = pop_double();
+				push_double(d1);
+				printf("%f", d1);
 				ip++; break;
 			case STOP:
+				//DO(STOP, "Stop execution.", 1)
 				exec_status = 0;				
 				break;			
 		}
 	}
-	getchar();
 	return 0;
-	
 }
\ No newline at end of file
diff --git a/VaninVM/TOS.c b/VaninVM/TOS.c
index cf38a6f..27f4ab5 100644
--- a/VaninVM/TOS.c
+++ b/VaninVM/TOS.c
@@ -3,33 +3,32 @@
 
 void push_int(int num)
 {
-	TOS[tp++] = num;
+	tos_num number;
+	number.num_i[1] = num;
+	TOS[tp++] = number.num_d;
 }
 
 int pop_int()
 {
-	int num =  TOS[--tp];
-	return num;
+	tos_num number;
+	number.num_d =  TOS[--tp];
+	return number.num_i[1];
 }
 
 void push_double(double num)
 {
-	tos_num cont = { num };
-	push_int(cont.num_i[0]);
-	push_int(cont.num_i[1]);
+	TOS[tp++] = num;
 }
 
 double pop_double()
 {
-	tos_num cont;
-	cont.num_i[1] = pop_int();
-	cont.num_i[0] = pop_int();
-	return cont.num_d;
+	double num =  TOS[--tp];
+	return num;
 }
 
 int initTOS()
 {
-	TOS = (int*)calloc(1, 1500);
+	TOS = (double*)calloc(1, 12000);
 	tp = 0;
 	return 0;
 }
\ No newline at end of file
diff --git a/VaninVM/TOS.h b/VaninVM/TOS.h
index 6d48711..b95f1a2 100644
--- a/VaninVM/TOS.h
+++ b/VaninVM/TOS.h
@@ -7,7 +7,7 @@ typedef union
 	int num_i[2];
 } tos_num;
 
-int* TOS;
+double* TOS;
 int tp;
 int initTOS();
 void push_int(int);