z80_write_block((const FLASH unsigned char *) &hdrom[sec_base], /* src */
hdrom_address[sec], /* dest */
hdrom_length_of_sections[sec]); /* len */
z80_write_block((const FLASH unsigned char *) &hdrom[sec_base], /* src */
hdrom_address[sec], /* dest */
hdrom_length_of_sections[sec]); /* len */