Refactor: Seperate executor cases to categories.

src/DataTransfer.cpp

@@ -0,0 +1,10 @@
+#include "DataTransfer.h"
+
+#include "ExecutorCases.h"
+#include "Instruction.h"
+
+namespace executor_cases {
+  void Mov_r32_imm32(CPUContext& cc) {
+    cc.m_Registers[cc.m_Instruction.m_Operand1] = cc.m_Instruction.m_Operand2;
+  }
+}