6502-cpp/include/assembly.hpp

#ifndef INC_6502_CPP_ASSEMBLY_HPP
#define INC_6502_CPP_ASSEMBLY_HPP

struct Operand
{
  enum class Type {
    empty,
    literal,
    reg /*ister*/
  };

  Type        type    = Type::empty;
  int         reg_num = 0;
  std::string value;

  Operand() = default;

  bool operator==(const Operand &other) const
  {
    return type == other.type && reg_num == other.reg_num && value == other.value;
  }

  Operand(const Type t, std::string v)
    : type(t), value(std::move(v))
  {
    assert(type == Type::literal);
  }

  Operand(const Type t, const int num)
    : type(t), reg_num(num)
  {
    assert(type == Type::reg);
  }
};


struct ASMLine
{
  enum class Type {
    Label,
    Instruction,
    Directive
  };

  ASMLine(Type t, std::string te) : type(t), text(std::move(te)) {}

  Type        type;
  std::string text;
};

#endif//INC_6502_CPP_ASSEMBLY_HPP