instruction decoding

src/main.c

@@ -8,7 +8,10 @@ int main() {
         return 1;
     }
 
-    free(emu);
+    Instruction inst = decodeInstruction(emu->mem, &emu->pc);
+    printf("%s\n", instructionToCStr(inst));
+
+    freeEmulator(emu);
 
     return 0;
-}
+}