diff --git a/Lib/YMF262-HAL/Inc/YMF262-HAL.hpp b/Lib/YMF262-HAL/Inc/YMF262-HAL.hpp
index df1819c..d647b29 100644
--- a/Lib/YMF262-HAL/Inc/YMF262-HAL.hpp
+++ b/Lib/YMF262-HAL/Inc/YMF262-HAL.hpp
@@ -57,6 +57,11 @@ class YMF262_HAL{
         _t_rdh_ticks  = (uint32_t)(10  * ticks_per_ns);
     };
 
+    void initialize(OPLMode mode){
+        initial_clear();
+        set_OPL_Mode(mode);
+    }
+
     void write(Bank bank, uint8_t reg, uint8_t data){
         write_bus(bank,Port::ADDRESS,reg);
         write_bus(bank,Port::DATA,data);