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#include "6821.h"
#include "Common.h"

#define WRITE_HANDLER(func)    void func( void* objFrom, void* objTo, int nAddr, BYTE byData )
#define CALLBACK_HANDLER(func)  void func( void* objFrom, void* objTo, LPARAM lParam )

extern class CMouseInterface sg_Mouse;

class CMouseInterface
{
public:
  CMouseInterface();
  virtual ~CMouseInterface();

  void Initialize(LPBYTE pCxRomPeripheral, UINT uSlot);
  void Uninitialize(){ m_bActive = false; }
  void SetSlotRom();
  static BYTE IORead(WORD PC, WORD uAddr, BYTE bWrite, BYTE uValue, ULONG nCyclesLeft);
  static BYTE IOWrite(WORD PC, WORD uAddr, BYTE bWrite, BYTE uValue, ULONG nCyclesLeft);

  void SetPosition(int xvalue, int xrange, int yvalue, int yrange);
  void SetButton(eBUTTON Button, eBUTTONSTATE State);
  bool Active() { return m_bActive; }
  void SetVBlank(bool bVBL);

protected:
  void On6821_A(BYTE byData);
  void On6821_B(BYTE byData);
  void OnCommand();
  void OnWrite();
  void OnMouseEvent();
  void Reset();

  friend WRITE_HANDLER( M6821_Listener_A );
  friend WRITE_HANDLER( M6821_Listener_B );
  //friend CALLBACK_HANDLER( MouseHandler );

  void SetPosition(int xvalue, int yvalue);
  void ClampX(int iMinX, int iMaxX);
  void ClampY(int iMinY, int iMaxY);


  C6821  m_6821;

  int    m_nDataLen;
  BYTE  m_byMode;

  BYTE  m_by6821B;
  BYTE  m_by6821A;
  BYTE  m_byBuff[8];      // m_byBuff[0] is mode byte
  int    m_nBuffPos;

  BYTE  m_byState;
  int    m_nX;
  int    m_nY;
  BOOL  m_bBtn0;
  BOOL  m_bBtn1;

  bool  m_bVBL;

  //

  UINT  m_iX;
  UINT  m_iRangeX;
  UINT  m_iMinX;
  UINT  m_iMaxX;
  UINT  m_iY;
  UINT  m_iRangeY;
  UINT  m_iMinY;
  UINT  m_iMaxY;

  BOOL  m_bButtons[2];

  //

  bool  m_bActive;
  LPBYTE  m_pSlotRom;
  UINT  m_uSlot;
};