--- hatari/src/includes/sound.h	2019/04/09 08:48:42	1.1.1.10
+++ hatari/src/includes/sound.h	2019/04/09 08:50:27	1.1.1.12
@@ -20,6 +20,7 @@ extern Uint8	SoundRegs[ 14 ];		/* store
 extern int	nGeneratedSamples;
 extern bool	bEnvelopeFreqFlag;
 extern Sint16	MixBuffer[MIXBUFFER_SIZE][2];
+extern bool	Sound_BufferIndexNeedReset;
 
 /* STSound sound renderer active */
 #include <SDL_types.h>
@@ -42,6 +43,7 @@ typedef		yms16			ymsample;	/* Output sam
 
 #define YM_LINEAR_MIXING		1		/* Use ymout1c5bit[] to build ymout5[] */
 #define YM_TABLE_MIXING			2		/* Use volumetable_original to build ymout5[] */
+#define YM_MODEL_MIXING			3		/* Use circuit analysis model to build ymout5[] */
 
 extern int	YmVolumeMixing;
 extern bool	UseLowPassFilter;
@@ -50,12 +52,15 @@ extern void Sound_Init(void);
 extern void Sound_Reset(void);
 extern void Sound_ResetBufferIndex(void);
 extern void Sound_MemorySnapShot_Capture(bool bSave);
-extern void Sound_Update(void);
+extern void Sound_Update(bool FillFrame);
 extern void Sound_Update_VBL(void);
 extern void Sound_WriteReg( int reg , Uint8 data );
 extern bool Sound_BeginRecording(char *pszCaptureFileName);
 extern void Sound_EndRecording(void);
 extern bool Sound_AreWeRecording(void);
+extern void Sound_SetYmVolumeMixing(void);
+extern ymsample Subsonic_IIR_HPF_Left(ymsample x0);
+extern ymsample Subsonic_IIR_HPF_Right(ymsample x0);
 
 
 #endif  /* HATARI_SOUND_H */