Instruction.h

   1 #ifndef INSTRUCTION_H
   2 #define INSTRUCTION_H
   3
   4 #include "Exception.h"
   5 #include "Format.h"
   6 #include "Types.h"
   7
   8 namespace avr {
   9
  10         class Core;
  11
  12         class IllegalInstruction : public util::Exception {
  13                 public:
  14                         IllegalInstruction(word opcode)
  15                                 : Exception( util::format("Illegal Instruction: %x") % opcode ) {}
  16         };
  17
  18         /**
  19          * \author Tom Haber
  20          * \date 21 April 2008
  21          *
  22          * An interface for all Instructions on the chip.
  23          */
  24         class Instruction {
  25                 public:
  26                         Instruction() {}
  27                         virtual ~Instruction() {}
  28
  29                 public:
  30                 virtual int operator()(Core *core) = 0;
  31                 virtual int trace(Core *core, std::ostream & ostr) = 0;
  32                 virtual bool is2Word() const { return false; }
  33         };
  34
  35 }
  36
  37 #endif /*INSTRUCTION_H*/