#ifndef _RAR_VM_

#define _RAR_VM_

#define VM_MEMSIZE                  0x40000

#define VM_MEMMASK           (VM_MEMSIZE-1)

enum VM_StandardFilters {

  VMSF_NONE, VMSF_E8, VMSF_E8E9, VMSF_ITANIUM, VMSF_RGB, VMSF_AUDIO, 

  VMSF_DELTA

};

struct VM_PreparedProgram

{

  VM_PreparedProgram() 

  {

    FilteredDataSize=0;

    Type=VMSF_NONE;

  }

  VM_StandardFilters Type;

  uint InitR[7];

  byte *FilteredData;

  uint FilteredDataSize;

};

class RarVM

{

  private:

    bool ExecuteStandardFilter(VM_StandardFilters FilterType);

    uint FilterItanium_GetBits(byte *Data,uint BitPos,uint BitCount);

    void FilterItanium_SetBits(byte *Data,uint BitField,uint BitPos,uint BitCount);

    byte *Mem;

    uint R[8];

  public:

    RarVM();

    ~RarVM();

    void Init();

    void Prepare(byte *Code,uint CodeSize,VM_PreparedProgram *Prg);

    void Execute(VM_PreparedProgram *Prg);

    void SetMemory(size_t Pos,byte *Data,size_t DataSize);

    static uint ReadData(BitInput &Inp);

};

#endif