Rw11CntlPC11.hpp

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// $Id: Rw11CntlPC11.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   1.4.1  size->fuse rename
// 2019-04-20  1134   1.4    add pc11_buf readout
// 2019-04-14  1131   1.3.1  remove SetOnline(), use UnitSetup()
// 2019-04-06  1126   1.3    pbuf.val in msb; rbusy in rbuf (new iface)
// 2017-04-02   865   1.2.1  Dump(): add detail arg
// 2014-12-29   623   1.1    adapt to Rlink V4 attn logic
// 2013-05-03   515   1.0    Initial version
// ---------------------------------------------------------------------------
 
 
#ifndef included_Retro_Rw11CntlPC11
#define included_Retro_Rw11CntlPC11 1
 
#include "Rw11CntlBase.hpp"
#include "Rw11UnitPC11.hpp"
 
namespace Retro {
 
  class Rw11CntlPC11 : public Rw11CntlBase<Rw11UnitPC11,2> {
    public:
 
                    Rw11CntlPC11();
                   ~Rw11CntlPC11();
 
      void          Config(const std::string& name, uint16_t base, int lam);
 
      virtual void  Start();
 
      virtual bool  BootCode(size_t unit, std::vector<uint16_t>& code, 
                             uint16_t& aload, uint16_t& astart);
 
      virtual void  UnitSetup(size_t ind);
    
      void          SetPrQlim(uint16_t qlim);
      uint16_t      PrQlim() const;
      void          SetPrRlim(uint16_t rlim);
      uint16_t      PrRlim() const;
      void          SetPpRlim(uint16_t rlim);
      uint16_t      PpRlim() const;
    
      uint16_t      Itype() const;
      bool          Buffered() const;
      uint16_t      FifoSize() const;
 
      void          AttachDone(size_t ind);
 
      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 = 0177550; 
      static const int      kLam    = 10;      
 
      static const uint16_t kRCSR = 000;  
      static const uint16_t kRBUF = 002;  
      static const uint16_t kPCSR = 004;  
      static const uint16_t kPBUF = 006;  
 
      static const uint16_t kUnit_PR   = 0;   
      static const uint16_t kUnit_PP   = 1;   
 
      static const uint16_t kProbeOff = kRCSR; 
      static const bool     kProbeInt = true;  
      static const bool     kProbeRem = true;  
 
      static const uint16_t kFifoMaxSize  = 127;     
 
      static const uint16_t kRCSR_M_ERROR = kWBit15; 
      static const uint16_t kRCSR_V_RLIM  = 12;      
      static const uint16_t kRCSR_B_RLIM  = 007;     
      static const uint16_t kRCSR_V_TYPE  =  8;      
      static const uint16_t kRCSR_B_TYPE  = 0007;    
      static const uint16_t kRCSR_M_FCLR  = kWBit01; 
      static const uint16_t kRBUF_M_RBUSY = kWBit15; 
      static const uint16_t kRBUF_V_FUSE =  8;       
      static const uint16_t kRBUF_B_FUSE = 0177;     
      static const uint16_t kRBUF_M_DATA  = 0377;    
    
      static const uint16_t kPCSR_M_ERROR = kWBit15; 
      static const uint16_t kPCSR_V_RLIM  = 12;      
      static const uint16_t kPCSR_B_RLIM  = 007;     
      static const uint16_t kPBUF_M_VAL   = kWBit15; 
      static const uint16_t kPBUF_V_FUSE  =  8;      
      static const uint16_t kPBUF_B_FUSE  = 0177;    
      static const uint16_t kPBUF_M_DATA  = 0377;    
    
    // statistics counter indices
      enum stats {
        kStatNPrBlk= Rw11Cntl::kDimStat,    
        kStatNPpQue,                        
        kDimStat
      };
 
    // PrDrain state definitions
      enum prdrain {
        kPrDrain_Idle = 0,                  
        kPrDrain_Pend,                      
        kPrDrain_Done                       
      };
    
    protected:
      int           AttnHandler(RlinkServer::AttnArgs& args);
      void          ProcessUnbuf(uint16_t rbuf, uint16_t pbuf);
      void          PpWriteChar(uint8_t ochr);
      void          PrProcessBuf(uint16_t rbuf);
      void          PpProcessBuf(const RlinkCommand& cmd, bool prim,
                                 uint16_t rbuf);
      int           PpRcvHandler();
    
    protected:
      size_t        fPC_pbuf;               
      size_t        fPC_rbuf;               
      uint16_t      fPrQlim;                
      uint16_t      fPrRlim;                
      uint16_t      fPpRlim;                
      uint16_t      fItype;                 
      uint16_t      fFsize;                 
      uint16_t      fPpRblkSize;            
      bool          fPpQueBusy;             
      int           fPrDrain;               
  };
  
} // end namespace Retro
 
#include "Rw11CntlPC11.ipp"
 
#endif