sdcard.c

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/* The Xemu project.
   Copyright (C)2016-2019 LGB (Gábor Lénárt) <lgblgblgb@gmail.com>
 
   This is the Commander X16 emulation. Note: the source is overcrowded with comments by intent :)
   That it can useful for other people as well, or someone wants to contribute, etc ...
 
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 2 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, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
 
#include "xemu/emutools.h"
//#include "xemu/emutools_files.h"
#include "sdcard.h"
 
static int sd_selected = 0;
static int select_line_transitions = 0;
 
 
void  sdcard_spi_select ( int select )
{
        if (select != sd_selected) {
                sd_selected = select;
                select_line_transitions++;
                DEBUGPRINT("SDCARD: select line goes to %s (#%d)" NL, select ? "high" : "low", select_line_transitions);
        }
}
 
 
Uint8 sdcard_spi_transfer ( Uint8 data )
{
        DEBUGPRINT("SDCARD: initiated SPI transfer, MOSI=$%02X" NL, data);
        return 0xFF;
}