diff --git a/src/simulator/machine.rs b/src/simulator/machine.rs
index 1a00b2c..e54bd87 100644
--- a/src/simulator/machine.rs
+++ b/src/simulator/machine.rs
@@ -729,13 +729,11 @@ mod test {
     use crate::simulator::{machine::Machine, mem_cmp};
 
 	#[test]
-	#[ignore]
 	fn test_init_machine() {
 		let _ = Machine::init_machine();
 	}
 
 	#[test]
-	#[ignore]
 	fn test_read_memory() {
 		let mut m = Machine::init_machine();
     	m.main_memory[4] = 43;
@@ -757,7 +755,6 @@ mod test {
 	}
 
 	#[test]
-	//#[ignore]
 	fn test_comp() {
 		let mut m = Machine::init_machine();
 		let memory_before = mem_cmp::MemChecker::from("test/machine/memoryComp.txt").unwrap();
@@ -772,7 +769,20 @@ mod test {
 	}
 
 	#[test]
-	//#[ignore]
+	fn test_add() {
+		let mut m = Machine::init_machine();
+		let memory_before = mem_cmp::MemChecker::from("test/machine/memoryAdd.txt").unwrap();
+		let memory_after = mem_cmp::MemChecker::from("test/machine/memoryAddEnd.txt").unwrap();
+		mem_cmp::MemChecker::fill_memory_from_mem_checker(&memory_before, &mut m);
+		Machine::run(&mut m);
+
+		let expected_trace = fs::read_to_string("test/machine/reg_traceAdd.txt").unwrap();
+
+		assert!(mem_cmp::MemChecker::compare_machine_memory(&memory_after, &m));
+		assert!(expected_trace.contains(m.registers_trace.as_str()));
+	}
+
+	#[test]
 	fn test_div() {
 		let mut m = Machine::init_machine();
 		let memory_before = mem_cmp::MemChecker::from("test/machine/memoryDiv.txt").unwrap();
@@ -787,7 +797,6 @@ mod test {
 	}
 
 	#[test]
-	//#[ignore]
 	fn test_if() {
 		let mut m = Machine::init_machine();
 		let memory_before = mem_cmp::MemChecker::from("test/machine/memoryIf.txt").unwrap();
@@ -802,7 +811,6 @@ mod test {
 	}
 
 	#[test]
-	//#[ignore]
 	fn test_jump() {
 		let mut m = Machine::init_machine();
 		let memory_before = mem_cmp::MemChecker::from("test/machine/memoryJump.txt").unwrap();
@@ -817,7 +825,6 @@ mod test {
 	}
 
 	#[test]
-	//#[ignore]
 	fn test_mul() {
 		let mut m = Machine::init_machine();
 		let memory_before = mem_cmp::MemChecker::from("test/machine/memoryMult.txt").unwrap();
@@ -832,7 +839,6 @@ mod test {
 	}
 
 	#[test]
-	//#[ignore]
 	fn test_ret() {
 		let mut m = Machine::init_machine();
 		let memory_before = mem_cmp::MemChecker::from("test/machine/memoryRet.txt").unwrap();
@@ -847,7 +853,6 @@ mod test {
 	}
 
 	#[test]
-	//#[ignore]
 	fn test_sub() {
 		let mut m = Machine::init_machine();
 		let memory_before = mem_cmp::MemChecker::from("test/machine/memorySub.txt").unwrap();
@@ -862,7 +867,6 @@ mod test {
 	}
 
 	#[test]
-	//#[ignore]
 	fn test_switch() {
 		let mut m = Machine::init_machine();
 		let memory_before = mem_cmp::MemChecker::from("test/machine/memorySwitch.txt").unwrap();
diff --git a/test/machine/memory.txt b/test/machine/memoryAdd.txt
similarity index 100%
rename from test/machine/memory.txt
rename to test/machine/memoryAdd.txt
diff --git a/test/machine/memoryAddEnd.txt b/test/machine/memoryAddEnd.txt
index 2841f5e..026f87f 100644
--- a/test/machine/memoryAddEnd.txt
+++ b/test/machine/memoryAddEnd.txt
@@ -5,5 +5,4 @@ fd 01 01 13 02 11 34 23 02 81 30 23 03 01 04 13 fc a4 3c 23 fd 84 37 83 fe f4 34
 404000 80
 00 09 78 25 00 00 00 00 00 20 20 20 00 00 00 00 00 20 73 25 00 00 00 00 00 00 00 0a 00 00 00 00 6c 75 6e 28 00 00 29 6c 00 40 0e f8 00 40 09 e8 00 40 11 7c 00 40 11 7c 00 40 11 7c 00 40 11 7c 00 40 09 e8 00 40 11 7c 00 40 11 7c 00 40 0b 28 00 40 11 7c 00 40 11 7c 00 40 11 7c 00 40 11 7c 00 40 11 7c 00 40 11 7c 00 40 0f 4c 00 40 11 7c 00 40 11 7c 00 40 11 7c 00 40 11 7c 00 40 0f d0 
 4010
-405270
-
+405270
\ No newline at end of file
diff --git a/test/machine/reg_traceAdd.txt b/test/machine/reg_traceAdd.txt
new file mode 100644
index 0000000..d419f4f
--- /dev/null
+++ b/test/machine/reg_traceAdd.txt
@@ -0,0 +1,22 @@
+0 0 4215408 0 0 0 0 0 0 0 -1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+0 4198400 4215408 0 0 0 0 0 0 0 -1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+0 16392 4215408 0 0 0 0 0 0 0 -1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+0 16392 4215376 0 0 0 0 0 0 0 -1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+0 16392 4215376 0 0 0 0 0 0 0 -1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+0 16392 4215376 0 0 0 0 0 4215408 0 -1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+0 16392 4215376 0 0 0 0 0 4215408 0 -1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+0 16392 4215376 0 0 0 0 0 4215408 0 -1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+0 16392 4215376 0 0 0 0 0 4215408 0 -1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+0 16392 4215376 0 0 0 0 0 4215408 0 -1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+0 16392 4215376 0 0 0 0 0 4215408 0 -1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+0 16392 4215376 0 0 0 0 0 4215408 0 -1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+0 16392 4215376 0 0 0 0 0 4215408 0 -1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+0 16392 4215376 0 0 0 0 0 4215408 0 -1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+0 16392 4215376 0 0 0 0 0 4215408 0 -1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+0 16392 4215376 0 0 0 0 0 4215408 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+0 16392 4215376 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+0 16392 4215408 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+0 16392 4215408 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+0 16392 4215408 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+0 16400 4215408 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+0 16400 4215408 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0