//
//      srecord - manipulate eprom load files
//      Copyright (C) 2002, 2006, 2007 Peter Miller
//
//      This program is free software; you can redistribute it and/or modify
//      it under the terms of the GNU General Public License as published by
//      the Free Software Foundation; either version 3 of the License, or
//      (at your option) any later version.
//
//      This program is distributed in the hope that it will be useful,
//      but WITHOUT ANY WARRANTY; without even the implied warranty of
//      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//      GNU General Public License for more details.
//
//      You should have received a copy of the GNU General Public License
//      along with this program. If not, see
//      <http://www.gnu.org/licenses/>.
//

#include <lib/srec/output/file/os65v.h>
#include <lib/srec/record.h>


srec_output_file_os65v::~srec_output_file_os65v()
{
    if (!data_only_flag && !seen_start_address)
        put_string(".00FD/00\r");
}


srec_output_file_os65v::srec_output_file_os65v(const std::string &a_file_name) :
    srec_output_file(a_file_name),
    address(0),
    state(0),
    seen_start_address(false)
{
}


void
srec_output_file_os65v::write(const srec_record &record)
{
    switch (record.get_type())
    {
    case srec_record::type_header:
        // All header data is discarded
        break;

    case srec_record::type_data:
        if (seen_start_address)
            fatal_error("more data following start address (bug)");
        if (address != record.get_address() || state == 0)
        {
            address = record.get_address();
            put_stringf(".%04lX/", address);
            state = '/';
        }
        for (int j = 0; j < record.get_length(); ++j)
        {
            unsigned char n = record.get_data(j);
            if (address == 0x00FD && n == 0)
                fatal_error("you may not write 00 to 00FD in this format");
            put_byte(n);
            put_char('\r');
            ++address;
        }
        break;

    case srec_record::type_data_count:
        // ignore
        break;

    case srec_record::type_start_address:
        if (!data_only_flag)
        {
            if (address != record.get_address() || state == 0)
            {
                address = record.get_address();
                put_stringf(".%04lX", address);
                state = '.';
            }
            put_char('G');
        }
        seen_start_address = true;
        break;

    case srec_record::type_unknown:
        fatal_error("can't write unknown record type");
    }
}


void
srec_output_file_os65v::line_length_set(int)
{
    // Irrelevant.  Ignore.
}


void
srec_output_file_os65v::address_length_set(int)
{
    // Irrelevant.  Ignore.
}


int
srec_output_file_os65v::preferred_block_size_get()
    const
{
    //
    // Irrelevant.  Use the largest we can get.
    //
    return srec_record::max_data_length;
}


const char *
srec_output_file_os65v::mode(void)
    const
{
    return "wb";
}


const char *
srec_output_file_os65v::format_name()
    const
{
    return "OS65V";
}