2009-08-28 08:54:46 +02:00

408 lines
9.8 KiB
C

/*
smc.c - Super Magic Card support for uCON64
Copyright (c) 2003 dbjh
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <string.h>
#include "misc/misc.h"
#include "misc/itypes.h"
#ifdef USE_ZLIB
#include "misc/archive.h"
#endif
#include "misc/getopt2.h" // st_getopt2_t
#include "misc/file.h"
#include "ucon64.h"
#include "ucon64_misc.h"
#include "ffe.h"
#include "smc.h"
const st_getopt2_t smc_usage[] =
{
{
NULL, 0, 0, 0,
NULL, "Super Magic Card"/*"1993/1994/1995/19XX Front Far East/FFE http://www.front.com.tw"*/,
NULL
},
#ifdef USE_PARALLEL
{
"xsmc", 0, 0, UCON64_XSMC, // send only
NULL, "send ROM (in FFE format) to Super Magic Card; " OPTION_LONG_S "port=PORT",
&ucon64_wf[WF_OBJ_NES_DEFAULT_STOP_NO_SPLIT]
},
{
"xsmcr", 0, 0, UCON64_XSMCR,
NULL, "send/receive RTS data to/from Super Magic Card; " OPTION_LONG_S "port=PORT\n"
"receives automatically when RTS file does not exist",
&ucon64_wf[WF_OBJ_NES_STOP_NO_ROM]
},
#endif
{NULL, 0, 0, 0, NULL, NULL, NULL}
};
#ifdef USE_PARALLEL
#define BUFFERSIZE 8192
static int get_blocks1 (unsigned char *header);
static int get_blocks2 (unsigned char *header);
static int get_blocks3 (unsigned char *header);
int
get_blocks1 (unsigned char *header)
{
if (header[7] == 0xaa)
return header[3];
if (header[0] & 0x30)
return header[0] & 0x20 ? 32 : 16; // 0x10 => 16; 0x20/0x30 => 32
else
switch (header[1] >> 5)
{
case 0:
case 4:
return 16;
case 1:
case 2:
case 3:
return 32;
default: // 5/6/7
return 4;
}
}
int
get_blocks2 (unsigned char *header)
{
if (header[0] & 0x30)
return header[0] & 0x10 ? 32 : 16; // 0x10/0x30 => 32; 0x20 => 16
else
return 0;
}
int
get_blocks3 (unsigned char *header)
{
if (header[7] == 0xaa)
return header[4];
if (header[0] & 0x30)
return 0;
else
switch (header[1] >> 5)
{
default: // 0/1/2/3
return 0;
case 4:
case 5:
return 4;
case 6:
return 2;
case 7:
return 1;
}
}
int
smc_write_rom (const char *filename, unsigned int parport)
{
FILE *file;
unsigned char *buffer;
int bytesread, bytessend, size, offset, n_blocks1, n_blocks2, n_blocks3, n;
time_t starttime;
ffe_init_io (parport);
if ((file = fopen (filename, "rb")) == NULL)
{
fprintf (stderr, ucon64_msg[OPEN_READ_ERROR], filename);
exit (1);
}
if ((buffer = (unsigned char *) malloc (BUFFERSIZE)) == NULL)
{
fprintf (stderr, ucon64_msg[FILE_BUFFER_ERROR], BUFFERSIZE);
exit (1);
}
ffe_send_command0 (0x4500, 2);
ffe_send_command0 (0x42fd, 0x20);
ffe_send_command0 (0x43fc, 0);
fread (buffer, 1, SMC_HEADER_LEN, file);
n_blocks1 = get_blocks1 (buffer);
n_blocks2 = get_blocks2 (buffer);
n_blocks3 = get_blocks3 (buffer);
size = (n_blocks1 + n_blocks2 + n_blocks3) * 8 * 1024 + 8 +
(buffer[0] & SMC_TRAINER ? 512 : 0);
printf ("Send: %d Bytes (%.4f Mb)\n", size, (float) size / MBIT);
ffe_send_block (0x5020, buffer, 8); // send "file control block"
bytessend = 8;
if (buffer[1] >> 5 > 4)
offset = 12;
else
offset = 0;
if (buffer[0] & SMC_TRAINER) // send trainer if present
{
fread (buffer, 1, 512, file);
ffe_send_block (0x600, buffer, 512);
bytessend += 512;
}
printf ("Press q to abort\n\n");
starttime = time (NULL);
for (n = 0; n < n_blocks1; n++)
{
ffe_send_command0 (0x4507, (unsigned char) (n + offset));
if ((bytesread = fread (buffer, 1, BUFFERSIZE, file)) == 0)
break;
ffe_send_block (0x6000, buffer, bytesread);
bytessend += bytesread;
ucon64_gauge (starttime, bytessend, size);
ffe_checkabort (2);
}
for (n = 0; n < n_blocks2; n++)
{
ffe_send_command0 (0x4507, (unsigned char) (n + 32));
if ((bytesread = fread (buffer, 1, BUFFERSIZE, file)) == 0)
break;
ffe_send_block (0x6000, buffer, bytesread);
bytessend += bytesread;
ucon64_gauge (starttime, bytessend, size);
ffe_checkabort (2);
}
ffe_send_command0 (0x2001, 0);
for (n = 0; n < n_blocks3; n++)
{
if (n == 0)
{
ffe_send_command0 (0x4500, 0x22);
ffe_send_command0 (0x42ff, 0x30);
if ((bytesread = fread (buffer, 1, BUFFERSIZE, file)) == 0)
break;
ffe_send_block (0x6000, buffer, bytesread);
}
else
{
int m;
ffe_send_command0 (0x4500, 7);
for (m = 0; m < 8; m++)
ffe_send_command0 ((unsigned short) (0x4510 + m), (unsigned char) (n * 8 + m));
if ((bytesread = fread (buffer, 1, BUFFERSIZE, file)) == 0)
break;
ffe_send_block2 (0, buffer, bytesread);
}
bytessend += bytesread;
ucon64_gauge (starttime, bytessend, size);
ffe_checkabort (2);
}
for (n = 0x4504; n < 0x4508; n++)
ffe_send_command0 ((unsigned short) n, 0);
for (n = 0x4510; n < 0x451c; n++)
ffe_send_command0 ((unsigned short) n, 0);
ffe_send_command (5, 1, 0);
free (buffer);
fclose (file);
ffe_deinit_io ();
return 0;
}
int
smc_read_rts (const char *filename, unsigned int parport)
{
FILE *file;
unsigned char *buffer;
int bytesreceived = 0, size, n;
time_t starttime;
ffe_init_io (parport);
if ((file = fopen (filename, "wb")) == NULL)
{
fprintf (stderr, ucon64_msg[OPEN_WRITE_ERROR], filename);
exit (1);
}
if ((buffer = (unsigned char *) malloc (BUFFERSIZE)) == NULL)
{
fprintf (stderr, ucon64_msg[FILE_BUFFER_ERROR], BUFFERSIZE);
exit (1);
}
size = 0x68 + 4 * 1024 + 5 * 8 * 1024;
printf ("Receive: %d Bytes\n", size);
memset (buffer, 0, SMC_HEADER_LEN);
buffer[8] = 0xaa;
buffer[9] = 0xbb;
buffer[10] = 1;
printf ("Press q to abort\n\n");
starttime = time (NULL);
ffe_send_command (5, 3, 0);
ffe_receive_block (0x5840, buffer + 0x100, 0x68);
fwrite (buffer, 1, SMC_HEADER_LEN, file);
bytesreceived += 0x68;
ffe_send_command0 (0x4500, 0x32);
ffe_send_command0 (0x42ff, 0x30);
ffe_receive_block (0x6000, buffer, BUFFERSIZE / 2); // 0x1000
fwrite (buffer, 1, BUFFERSIZE / 2, file);
bytesreceived += BUFFERSIZE / 2;
ucon64_gauge (starttime, bytesreceived, size);
ffe_checkabort (2);
for (n = 2; n <= 0x22; n += 0x20)
{
ffe_send_command0 (0x4500, (unsigned char) n);
ffe_receive_block (0x6000, buffer, BUFFERSIZE); // 0x2000
fwrite (buffer, 1, BUFFERSIZE, file);
bytesreceived += BUFFERSIZE;
ucon64_gauge (starttime, bytesreceived, size);
ffe_checkabort (2);
}
for (n = 1; n <= 3; n++)
{
ffe_send_command0 (0x43fc, (unsigned char) n);
if (n == 1)
ffe_send_command0 (0x2001, 0);
ffe_receive_block2 (0, buffer, BUFFERSIZE); // 0x2000
fwrite (buffer, 1, BUFFERSIZE, file);
bytesreceived += BUFFERSIZE;
ucon64_gauge (starttime, bytesreceived, size);
ffe_checkabort (2);
}
ffe_send_command0 (0x43fc, 0);
ffe_send_command0 (0x2001, 0x6b);
free (buffer);
fclose (file);
ffe_deinit_io ();
return 0;
}
int
smc_write_rts (const char *filename, unsigned int parport)
{
FILE *file;
unsigned char *buffer;
int bytessend = 0, size, n;
time_t starttime;
ffe_init_io (parport);
if ((file = fopen (filename, "rb")) == NULL)
{
fprintf (stderr, ucon64_msg[OPEN_READ_ERROR], filename);
exit (1);
}
if ((buffer = (unsigned char *) malloc (BUFFERSIZE)) == NULL)
{
fprintf (stderr, ucon64_msg[FILE_BUFFER_ERROR], BUFFERSIZE);
exit (1);
}
size = 0x68 + 4 * 1024 + 5 * 8 * 1024;
printf ("Send: %d Bytes\n", size);
fread (buffer, 1, SMC_HEADER_LEN, file);
printf ("Press q to abort\n\n");
starttime = time (NULL);
ffe_send_command (5, 3, 0);
ffe_send_block (0x5840, buffer + 0x100, 0x68);
bytessend += 0x68;
ffe_send_command0 (0x4500, 0x32);
ffe_send_command0 (0x42ff, 0x30);
fread (buffer, 1, BUFFERSIZE / 2, file);
ffe_send_block (0x6000, buffer, BUFFERSIZE / 2); // 0x1000
bytessend += BUFFERSIZE / 2;
ucon64_gauge (starttime, bytessend, size);
ffe_checkabort (2);
for (n = 2; n <= 0x22; n += 0x20)
{
ffe_send_command0 (0x4500, (unsigned char) n);
fread (buffer, 1, BUFFERSIZE, file);
ffe_send_block (0x6000, buffer, BUFFERSIZE); // 0x2000
bytessend += BUFFERSIZE;
ucon64_gauge (starttime, bytessend, size);
ffe_checkabort (2);
}
for (n = 1; n <= 3; n++)
{
ffe_send_command0 (0x43fc, (unsigned char) n);
if (n == 1)
ffe_send_command0 (0x2001, 0);
fread (buffer, 1, BUFFERSIZE, file);
ffe_send_block2 (0, buffer, BUFFERSIZE); // 0x2000
bytessend += BUFFERSIZE;
ucon64_gauge (starttime, bytessend, size);
ffe_checkabort (2);
}
ffe_send_command0 (0x43fc, 0);
ffe_send_command0 (0x2001, 0x6b);
free (buffer);
fclose (file);
ffe_deinit_io ();
return 0;
}
#endif // USE_PARALLEL