diff --git a/Lib/YMF262-HAL/Inc/YMF262-HAL.hpp b/Lib/YMF262-HAL/Inc/YMF262-HAL.hpp
index 2fa0fee..df1819c 100644
--- a/Lib/YMF262-HAL/Inc/YMF262-HAL.hpp
+++ b/Lib/YMF262-HAL/Inc/YMF262-HAL.hpp
@@ -66,6 +66,15 @@ class YMF262_HAL{
         write(Bank::BANK_1, 0x105, (mode == OPLMode::OPL3) ? 0x01 : 0x00);
     };
 
+    void initial_clear(){
+
+        _gpio.set_ic(State::ACTIVE);
+        _gpio.delay_ticks(_t_icw_ticks);
+        _gpio.set_ic(State::INACTIVE);
+        _gpio.delay_ticks(_t_recovery_ticks);
+
+    };
+
 };
 
 #endif
\ No newline at end of file