diff --git a/src/engine/platform/msm6258.cpp b/src/engine/platform/msm6258.cpp
index fbede0b59..e5de16456 100644
--- a/src/engine/platform/msm6258.cpp
+++ b/src/engine/platform/msm6258.cpp
@@ -386,6 +386,9 @@ int DivPlatformMSM6258::init(DivEngine* p, int channels, int sugRate, const DivC
     oscBuf[i]=new DivDispatchOscBuffer;
   }
   msm=new okim6258_device(4000000);
+  msm->set_start_div(okim6258_device::FOSC_DIV_BY_1024);
+  msm->set_type(okim6258_device::TYPE_4BITS);
+  msm->set_outbits(okim6258_device::OUTPUT_12BITS);
   msm->device_start();
   setFlags(flags);
   reset();
diff --git a/src/engine/platform/msm6258.h b/src/engine/platform/msm6258.h
index 2c18d90c4..6be120c2b 100644
--- a/src/engine/platform/msm6258.h
+++ b/src/engine/platform/msm6258.h
@@ -47,7 +47,6 @@ class DivPlatformMSM6258: public DivDispatch {
     };
     FixedQueue<QueuedWrite,256> writes;
     okim6258_device* msm;
-    unsigned char lastBusy;
 
     unsigned char sampleBank, msmPan, msmDivider, rateSel, msmClock, clockSel;
     signed char msmDividerCount, msmClockCount;