diff --git a/sources/CPU/CPU.hpp b/sources/CPU/CPU.hpp
index f74a8bf..6980eea 100644
--- a/sources/CPU/CPU.hpp
+++ b/sources/CPU/CPU.hpp
@@ -18,8 +18,8 @@ namespace ComSquare::CPU
 		//! @brief The Accumulator
 		union {
 			struct {
-				uint8_t ah;
 				uint8_t al;
+				uint8_t ah;
 			};
 			uint16_t a;
 		};
@@ -28,8 +28,8 @@ namespace ComSquare::CPU
 		//! @brief The Direct Page register;
 		union {
 			struct {
-				uint8_t dh;
 				uint8_t dl;
+				uint8_t dh;
 			};
 			uint16_t d;
 		};
@@ -40,8 +40,8 @@ namespace ComSquare::CPU
 				//! @brief The Program Counter;
 				union {
 					struct {
-						uint8_t pch;
 						uint8_t pcl;
+						uint8_t pch;
 					};
 					uint16_t pc;
 				};
@@ -52,24 +52,24 @@ namespace ComSquare::CPU
 		//! @brief The Stack pointer
 		union {
 			struct {
-				uint8_t sh;
 				uint8_t sl;
+				uint8_t sh;
 			};
 			uint16_t s;
 		};
 		//! @brief The X index register
 		union {
 			struct {
-				uint8_t xh;
 				uint8_t xl;
+				uint8_t xh;
 			};
 			uint16_t x;
 		};
 		//! @brief The Y index register
 		union {
 			struct {
-				uint8_t yh;
 				uint8_t yl;
+				uint8_t yh;
 			};
 			uint16_t y;
 		};
diff --git a/tests/CPU/testStore.cpp b/tests/CPU/testStore.cpp
index 914ecfc..c344c78 100644
--- a/tests/CPU/testStore.cpp
+++ b/tests/CPU/testStore.cpp
@@ -8,13 +8,23 @@
 #include "../tests.hpp"
 #include "../../sources/SNES.hpp"
 using namespace ComSquare;
-//
-//Test(STA, 8bits)
-//{
-//	auto pair = Init();
-//	pair.second.cpu->_registers.p.m = false;
-//	pair.second.cpu->_registers.a = 0x11;
-//	pair.second.cpu->STA(0x0);
-//	auto data = pair.second.wram->_data[0];
-//	cr_assert_eq(data, 0x11, "The stored value should be 0x11 but it was 0x%x.", data);
-//}
\ No newline at end of file
+
+Test(STA, 8bits)
+{
+	auto pair = Init();
+	pair.second.cpu->_registers.p.m = true;
+	pair.second.cpu->_registers.a = 0x11;
+	pair.second.cpu->STA(0x0);
+	auto data = pair.second.wram->_data[0];
+	cr_assert_eq(data, 0x11, "The stored value should be 0x11 but it was 0x%x.", data);
+}
+
+Test(STA, 16bits)
+{
+	auto pair = Init();
+	pair.second.cpu->_registers.p.m = false;
+	pair.second.cpu->_registers.a = 0x11AB;
+	pair.second.cpu->STA(0x0);
+	auto data = pair.second.wram->_data[0] + (pair.second.wram->_data[1] << 8u);
+	cr_assert_eq(data, 0x11AB, "The stored value should be 0x11AB but it was 0x%x.", data);
+}
\ No newline at end of file