text: /* rom.hpp - emulate a ROM in QBUS/UNIBUS IO page
  
   Copyright (c) 2020, Joerg Hoppe, j_hoppe@t-online.de, www.retrocmp.com
  
   All rights reserved.
  
   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions
   are met:
  
   - Redistributions of source code must retain the above copyright
   notice, this list of conditions and the following disclaimer.
  
   - Redistributions in binary form must reproduce the above copyright
   notice, this list of conditions and the following disclaimer in the
   documentation and/or other materials provided with the distribution.
  
   - Neither the name of the copyright holder nor the names of its
   contributors may be used to endorse or promote products derived from
   this software without specific prior written permission.
  
   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
   TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
   7-feb-2020   JH      begin
  
   */
  #ifndef _ROM_HPP_
  #define _ROM_HPP_
  
  #include <stdio.h>
  #include <vector>
  #include "logsource.hpp"
  #include "memoryimage.hpp"
  
  class rom_c: public logsource_c {
  private:
  
  public:
  	string name; // identifier for user
  
  	uint32_t baseaddress; // start of code in QBUS/UNIBUS address space
  	uint32_t wordcount; // length in 16 bit words
  
  	vector<uint16_t> cells; // data
  
  	codelabel_map_c codelabels; // smybolic addresses
  
  	rom_c(string name, unsigned wordcount, uint32_t baseaddress);
  
  	void fill(uint16_t value);
  
  	bool load_macro11_listing(const char *fname);
  
  	uint16_t get_data(uint32_t addr); // get a cell, or exception
  	void set_data(uint32_t addr, uint16_t value); // set a cell
  	void relocate(uint32_t new_base_addr);
  	void install(void); // implemement on QBUS/UNIBUS
  	void uninstall(void); // remove from QBUS/UNIBUS
  
  	void dump(FILE *f);
  };
  
  #endif
  