Add execute.c, w/ T

src/execute.c

@@ -0,0 +1,23 @@
+#include "execute.h"
+
+void execute(a64inst_instruction inst) {
+
+    switch (inst.type) {
+        case a64inst_Halt:
+            // Halt the program
+            break;
+        case a64inst_DPImmediate:
+            // Execute a data processing immediate instruction
+            break;
+        case a64inst_Branch:
+            // Execute a branch instruction
+            break;
+        case a64inst_DPRegister:
+            // Execute a data processing register instruction
+            break;
+        default:
+            // Unknown instruction
+            break;
+    }
+
+}

src/execute.h

@@ -0,0 +1,3 @@
+#include "a64instruction.h"
+
+void execute(a64inst_instruction inst);