69 lines
3.0 KiB
C++
69 lines
3.0 KiB
C++
//////////////////////////////////////////////////////////////////////////
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// //
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// Namcot N106 //
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// Norix //
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// written 2001/09/18 //
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// last modify ----/--/-- //
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//////////////////////////////////////////////////////////////////////////
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#ifndef __APU_N106_INCLUDED__
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#define __APU_N106_INCLUDED__
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#define WIN32_LEAN_AND_MEAN
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#include "windows.h"
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#include "typedef.h"
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#include "macro.h"
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#include "APU_INTERFACE.h"
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class APU_N106 : public APU_INTERFACE
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{
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public:
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APU_N106();
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~APU_N106();
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void Reset( FLOAT fClock, INT nRate );
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void Setup( FLOAT fClock, INT nRate );
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void Write( WORD addr, BYTE data );
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BYTE Read( WORD addr );
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INT Process( INT channel );
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INT GetFreq( INT channel );
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INT GetStateSize();
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void SaveState( LPBYTE p );
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void LoadState( LPBYTE p );
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protected:
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typedef struct {
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INT phaseacc;
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DWORD freq;
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DWORD phase;
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DWORD tonelen;
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INT output;
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BYTE toneadr;
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BYTE volupdate;
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BYTE vol;
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BYTE databuf;
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} CHANNEL;
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CHANNEL op[8];
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FLOAT cpu_clock;
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DWORD cycle_rate;
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BYTE addrinc;
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BYTE address;
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BYTE channel_use;
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BYTE tone[0x100];
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INT ChannelRender( CHANNEL& ch );
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private:
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};
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#endif // !__APU_N106_INCLUDED__
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