Rw11CntlLP11.hpp

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// $Id: Rw11CntlLP11.hpp 1185 2019-07-12 17:29:12Z mueller $
// SPDX-License-Identifier: GPL-3.0-or-later
// Copyright 2013-2019 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
// 
// Revision History:
// Date         Rev Version  Comment
// 2019-05-30  1155   1.2.3  size->fuse rename
// 2019-04-14  1131   1.2.2  remove SetOnline(), use UnitSetup()
// 2019-04-07  1127   1.2.1  add fQueBusy and queue protection
// 2019-03-17  1123   1.2    buf.val in msb; add lp11_buf readout
// 2017-04-02   865   1.1.1  Dump(): add detail arg
// 2014-12-29   623   1.1    adopt to Rlink V4 attn logic
// 2013-05-01   513   1.0    Initial version
// ---------------------------------------------------------------------------
 
 
#ifndef included_Retro_Rw11CntlLP11
#define included_Retro_Rw11CntlLP11 1
 
#include "Rw11CntlBase.hpp"
#include "Rw11UnitLP11.hpp"
 
namespace Retro {
 
  class Rw11CntlLP11 : public Rw11CntlBase<Rw11UnitLP11,1> {
    public:
 
                    Rw11CntlLP11();
                   ~Rw11CntlLP11();
 
      void          Config(const std::string& name, uint16_t base, int lam);
 
      virtual void  Start();
 
      virtual void  UnitSetup(size_t ind);
 
      void          SetRlim(uint16_t rlim);
      uint16_t      Rlim() const;
    
      uint16_t      Itype() const;
      bool          Buffered() const;
      uint16_t      FifoSize() const;
 
      virtual void  Dump(std::ostream& os, int ind=0, const char* text=0,
                         int detail=0) const;
 
    // some constants (also defined in cpp)
      static const uint16_t kIbaddr = 0177514; 
      static const int      kLam    = 8;       
 
      static const uint16_t kCSR = 000;  
      static const uint16_t kBUF = 002;  
 
      static const uint16_t kProbeOff = kCSR;  
      static const bool     kProbeInt = true;  
      static const bool     kProbeRem = true;  
 
      static const uint16_t kFifoMaxSize  = 127;     
    
      static const uint16_t kCSR_M_ERROR = kWBit15; 
      static const uint16_t kCSR_V_RLIM  = 12;      
      static const uint16_t kCSR_B_RLIM  = 007;     
      static const uint16_t kCSR_V_TYPE  =  8;      
      static const uint16_t kCSR_B_TYPE  = 0007;    
      static const uint16_t kBUF_M_VAL   = kWBit15; 
      static const uint16_t kBUF_V_FUSE  =  8;      
      static const uint16_t kBUF_B_FUSE  = 0177;    
      static const uint16_t kBUF_M_DATA  = 0177;    
 
    // statistics counter indices
      enum stats {
        kStatNQue= Rw11Cntl::kDimStat,      
        kStatNNull,                         
        kStatNChar,                         
        kStatNLine,                         
        kStatNPage,                         
        kDimStat
      };    
 
    protected:
      int           AttnHandler(RlinkServer::AttnArgs& args);
      void          ProcessUnbuf(uint16_t buf);
      void          WriteChar(uint8_t ochr);
      void          ProcessBuf(const RlinkCommand& cmd, bool prim);
      int           RcvHandler();
 
    protected:
      size_t        fPC_buf;                
      uint16_t      fRlim;                  
      uint16_t      fItype;                 
      uint16_t      fFsize;                 
      uint16_t      fRblkSize;              
      bool          fQueBusy;               
  };
  
} // end namespace Retro
 
#include "Rw11CntlLP11.ipp"
 
#endif