diff --git a/mocks/MockADC/MockADC.c b/mocks/MockADC/MockADC.c
index ced85b1..dcf8f8f 100644
--- a/mocks/MockADC/MockADC.c
+++ b/mocks/MockADC/MockADC.c
@@ -13,16 +13,30 @@
 uint16_t fake_data[FAKESIZE];
 int fake_index = 0;
 
+static bool is_setup = false;
+
+
+
+void ADC_SetPin(uint8_t pin_num)
+{
+    return;
+}
+
+void ADC_Setup(void)
+{
+    is_setup = true;
+    return;
+}
+
 void ADC_Init(uint8_t pin_num)
 {
     mock_c()->actualCall("ADC_Init")
         ->withUnsignedIntParameters("pin_num", pin_num);
 }
 
-void ADC_Enable(uint8_t pin_num)
+void ADC_Enable(void)
 {
-    mock_c()->actualCall("ADC_Enable")
-        ->withUnsignedIntParameters("pin_num", pin_num);
+    mock_c()->actualCall("ADC_Enable");
 }
 
 void ADC_Disable()
@@ -62,3 +76,9 @@ int MockADC_GetIndex(void)
 {
     return fake_index;
 }
+
+
+bool MockADC_IsSetup(void)
+{
+    return is_setup;
+}
diff --git a/mocks/MockADC/MockADC.h b/mocks/MockADC/MockADC.h
index d16be3f..6c95934 100644
--- a/mocks/MockADC/MockADC.h
+++ b/mocks/MockADC/MockADC.h
@@ -13,18 +13,18 @@
 #include <stdint.h>
 #include <stdbool.h>
 
-/**
- * A function that adds two to a number
- * @param a The first argument
- */
+
+void ADC_Setup(void);
+void ADC_SetPin(uint8_t pin_num);
 void ADC_Init(uint8_t pin_num);
-void ADC_Enable(uint8_t pin_num);
-void ADC_Disable();
+void ADC_Enable(void);
+void ADC_Disable(void);
 
 extern uint16_t (*ADC_ReadValue)(uint8_t pin_num);
 
 void MockADC_PushValue(uint16_t value);
 void MockADC_ZeroIndex(void);
 int MockADC_GetIndex(void);
+bool MockADC_IsSetup(void);
 
 #endif //MOCKADC_H
diff --git a/src/zero_cross_detection/zero_cross_detection.c b/src/zero_cross_detection/zero_cross_detection.c
index 6099609..7b81e1e 100644
--- a/src/zero_cross_detection/zero_cross_detection.c
+++ b/src/zero_cross_detection/zero_cross_detection.c
@@ -19,8 +19,9 @@
 
 void ZCD_Setup(void)
 {
-    ADC_Init(7);
-    ADC_Enable(7);
+    ADC_Init(ZCD_PIN);
+    ADC_SetPin(ZCD_PIN);
+    ADC_Enable();
 }
 
 bool ZCD_IsTriggered()
diff --git a/tests/load/CMakeLists.txt b/tests/load/CMakeLists.txt
new file mode 100644
index 0000000..f33cce9
--- /dev/null
+++ b/tests/load/CMakeLists.txt
@@ -0,0 +1,12 @@
+# TEST_RUNNER
+add_library(test_load
+    test_load.cpp    
+)
+
+target_link_libraries(test_load
+    ${CPPUTEST_LIBRARIES}/libCppUTest.a
+    ${CPPUTEST_LIBRARIES}/libCppUTestExt.a
+    load
+    MockADC
+    MockRegEdit
+)
diff --git a/tests/load/test_load.cpp b/tests/load/test_load.cpp
new file mode 100644
index 0000000..72fd3a9
--- /dev/null
+++ b/tests/load/test_load.cpp
@@ -0,0 +1,56 @@
+/*
+ * Author: Jake G 
+ * Date: 2024 
+ * filename: test_load.cpp
+ * description: 
+ */
+
+#include "CppUTest/CommandLineTestRunner.h"
+#include "CppUTestExt/MockSupport.h"
+#include <cstdint>
+
+
+//This define allows us to dircetly include the device header without error.
+#define _AVR_IO_H_
+
+extern "C" 
+{
+#include <iotn404.h> //ATtiny404 header fille.
+#include "load.h"
+#include "MockADC.h"
+#include "MockADC.h"
+}
+
+TEST_GROUP(test_load)
+{
+    void setup()
+    {
+
+    }
+    void teardown()
+    {
+        mock().checkExpectations();
+        mock().clear();
+    }
+};
+
+TEST(test_load, LoadPass)
+{
+    CHECK_TRUE(true);
+}
+
+TEST(test_load, PortAHandlerSuccess)
+{
+    mock().expectOneCall("ADC_Init")
+        .withUnsignedIntParameter("pin_num", 4);
+
+    mock().expectOneCall("ADC_Enable");
+    mock().expectOneCall("ADC_ReadValue_Impl")
+        .withUnsignedIntParameter("pin_num", 4);
+    mock().expectOneCall("ADC_Disable");
+    mock().expectOneCall("RegEdit_ClearBit")
+        .withPointerParameter("reg", (void *) &PORTA.OUT)
+        .withUnsignedIntParameter("bit_num", 7);
+    
+    Load_HandleLoadPortA(4, 7);
+}