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- /*
- md-pro.c - MD-PRO flash card programmer support for uCON64
- Copyright (c) 2003 - 2005 dbjh
- Copyright (c) 2003 NoisyB
- Based on Delphi source code by ToToTEK Multi Media. Information in that source
- code has been used with permission. However, ToToTEK Multi Media explicitly
- stated that the information in that source code may be freely distributed.
- 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 <stdlib.h>
- #include <string.h>
- #include "misc/archive.h"
- #include "ucon64.h"
- #include "ucon64_misc.h"
- #include "backup/tototek.h"
- #include "backup/md-pro.h"
- #ifdef USE_PARALLEL
- static st_ucon64_obj_t mdpro_obj[] =
- {
- {UCON64_GEN, WF_DEFAULT | WF_STOP | WF_NO_SPLIT | WF_NO_ROM},
- {UCON64_GEN, WF_STOP | WF_NO_ROM}
- };
- #endif
- const st_getopt2_t mdpro_usage[] =
- {
- {
- NULL, 0, 0, 0,
- NULL, "MD-PRO flash card programmer"/*"2003 ToToTEK Multi Media http://www.tototek.com"*/,
- NULL
- },
- #ifdef USE_PARALLEL
- {
- "xmd", 0, 0, UCON64_XMD,
- NULL, "send/receive ROM to/from MD-PRO flash card programmer\n" OPTION_LONG_S "port=PORT\n"
- "receives automatically (32/64 Mbits) when ROM does not exist",
- &mdpro_obj[0]
- },
- {
- "xmds", 0, 0, UCON64_XMDS,
- NULL, "send/receive SRAM to/from MD-PRO flash card programmer\n" OPTION_LONG_S "port=PORT\n"
- "receives automatically when SRAM does not exist",
- &mdpro_obj[1]
- },
- {
- "xmdb", 1, 0, UCON64_XMDB,
- "BANK", "send/receive SRAM to/from MD-PRO BANK\n"
- "BANK can be a number from 1 to 4; " OPTION_LONG_S "port=PORT\n"
- "receives automatically when SRAM does not exist",
- &mdpro_obj[1]
- },
- #endif
- {NULL, 0, 0, 0, NULL, NULL, NULL}
- };
- #ifdef USE_PARALLEL
- static void eep_reset (void);
- static unsigned short int check_card (void);
- static void write_rom_by_byte (int *addr, unsigned char *buf);
- static void write_rom_by_page (int *addr, unsigned char *buf);
- static void write_ram_by_byte (int *addr, unsigned char *buf);
- static void write_ram_by_page (int *addr, unsigned char *buf);
- static unsigned short int md_id;
- void
- eep_reset (void)
- {
- ttt_rom_enable ();
- ttt_write_mem (0x400000, 0xff); // reset EEP chip 2
- ttt_write_mem (0, 0xff); // reset EEP chip 1
- ttt_write_mem (0x600000, 0xff); // reset EEP chip 2
- ttt_write_mem (0x200000, 0xff); // reset EEP chip 1
- ttt_rom_disable ();
- }
- unsigned short int
- check_card (void)
- {
- unsigned short int id;
- eep_reset ();
- id = ttt_get_id ();
- if ((id != 0xb0d0) && (id != 0x8916) && (id != 0x8917)) // Sharp 32M, Intel 64J3
- {
- fprintf (stderr, "ERROR: MD-PRO flash card (programmer) not detected (ID: 0x%02hx)\n", id);
- return 0;
- }
- else
- return id;
- }
- void
- write_rom_by_byte (int *addr, unsigned char *buf)
- {
- int x;
- for (x = 0; x < 0x4000; x++)
- {
- if (md_id == 0xb0d0)
- ttt_write_byte_sharp (*addr, buf[*addr & 0x3fff]);
- else if (md_id == 0x8916 || md_id == 0x8917)
- ttt_write_byte_intel (*addr, buf[*addr & 0x3fff]);
- (*addr)++;
- }
- }
- void
- write_rom_by_page (int *addr, unsigned char *buf)
- {
- int x;
- for (x = 0; x < 0x200; x++)
- {
- ttt_write_page_rom (*addr, buf);
- (*addr) += 0x20;
- }
- }
- void
- write_ram_by_byte (int *addr, unsigned char *buf)
- {
- int x, i = *addr & 0x3fff;
- for (x = 0; x < 0x4000; x++, i = (i + 1) & 0x3fff)
- {
- ttt_write_byte_ram (*addr, buf[i]);
- (*addr)++;
- // Send the same byte again => SRAM files needn't store redundant data
- ttt_write_byte_ram (*addr, buf[i]);
- (*addr)++;
- }
- }
- void
- write_ram_by_page (int *addr, unsigned char *buf)
- {
- int x;
- for (x = 0; x < 0x80; x++)
- {
- ttt_write_page_ram2 (*addr, buf);
- (*addr) += 0x80;
- }
- }
- int
- md_read_rom (const char *filename, unsigned short parport, int size)
- {
- FILE *file;
- unsigned short int id;
- unsigned char buffer[0x100];
- int blocksleft, address = 0;
- time_t starttime;
- void (*read_block) (int, unsigned char *) = ttt_read_rom_w; // ttt_read_rom_b
- if ((file = fopen (filename, "wb")) == NULL)
- {
- fprintf (stderr, ucon64_msg[OPEN_WRITE_ERROR], filename);
- exit (1);
- }
- ttt_init_io (parport);
- id = check_card ();
- if (id == 0)
- {
- fclose (file);
- remove (filename);
- exit (1);
- }
- if ((id == 0xb0d0 || id == 0x8916) && size > 32 * MBIT)
- size = 32 * MBIT; // Sharp or Intel 32 Mbit flash card
- #if 0
- // size is set to 64 * MBIT "by default" (in ucon64_opts.c)
- else if (id == 0x8917 && size > 64 * MBIT)
- size = 64 * MBIT; // Intel 64 Mbit flash card
- #endif
- printf ("Receive: %d Bytes (%.4f Mb)\n\n", size, (float) size / MBIT);
- blocksleft = size >> 8;
- eep_reset ();
- ttt_rom_enable ();
- if (read_block == ttt_read_rom_w)
- ttt_set_ai_data (6, 0x94); // rst=1, wei=0(dis.), rdi=0(dis.), inc mode, rom_CS
- starttime = time (NULL);
- while (blocksleft-- > 0)
- {
- read_block (address, buffer); // 0x100 bytes read
- if (read_block == ttt_read_rom_b)
- ucon64_bswap16_n (buffer, 0x100);
- fwrite (buffer, 1, 0x100, file);
- address += 0x100;
- if ((address & 0x3fff) == 0)
- ucon64_gauge (starttime, address, size);
- }
- // original code doesn't call ttt_rom_disable() when byte-size function is
- // used (ttt_read_rom_b() calls it)
- if (read_block == ttt_read_rom_w)
- ttt_rom_disable ();
- fclose (file);
- return 0;
- }
- int
- md_write_rom (const char *filename, unsigned short parport)
- {
- FILE *file;
- unsigned char buffer[0x4000], game_table[32 * 0x20];
- int game_no, size, address = 0, bytesread, bytessent = 0, bytesleft = 0,
- multi_game;
- time_t starttime;
- void (*write_block) (int *, unsigned char *) = write_rom_by_page; // write_rom_by_byte
- (void) write_rom_by_byte;
- if ((file = fopen (filename, "rb")) == NULL)
- {
- fprintf (stderr, ucon64_msg[OPEN_READ_ERROR], filename);
- exit (1);
- }
- ttt_init_io (parport);
- fseek (file, 0x83f4, SEEK_SET);
- buffer[0] = 0;
- fread (buffer, 1, 12, file); // it's OK to not verify if we can read
- // currently we ignore the version string (full string is "uCON64 2.0.1")
- multi_game = strncmp ((char *) buffer, "uCON64", 6) ? 0 : 1;
- if (multi_game)
- {
- fseek (file, 0x8000, SEEK_SET);
- bytesread = fread (game_table, 1, 32 * 0x20, file);
- if (bytesread != 32 * 0x20)
- {
- fputs ("ERROR: Could not read game table from file\n", stderr);
- fclose (file);
- return -1;
- }
- }
- size = ucon64.file_size;
- printf ("Send: %d Bytes (%.4f Mb)\n\n", size, (float) size / MBIT);
- md_id = check_card ();
- if (md_id == 0)
- {
- fclose (file);
- exit (1);
- }
- fseek (file, 0, SEEK_SET);
- starttime = time (NULL);
- if (!multi_game)
- bytesleft = size; // one file (no multi-game)
- eep_reset ();
- game_no = -1;
- do
- {
- if (game_no >= 0) // a game of a multi-game file
- bytesleft = game_table[game_no * 0x20 + 0x1d] * MBIT;
- else if (multi_game)
- bytesleft = MD_PRO_LOADER_SIZE; // the loader
- while (bytesleft > 0 && (bytesread = fread (buffer, 1, 0x4000, file)) != 0)
- {
- ucon64_bswap16_n (buffer, 0x4000);
- if ((((address & 0xffff) == 0) && (md_id == 0xb0d0)) ||
- (((address & 0x1ffff) == 0) && (md_id == 0x8916 || md_id == 0x8917)))
- ttt_erase_block (address);
- write_block (&address, buffer);
- bytessent += bytesread;
- ucon64_gauge (starttime, bytessent, size);
- bytesleft -= bytesread;
- }
- // Games have to be aligned to (start at) a 2 Mbit boundary.
- address = (address + 2 * MBIT - 1) & ~(2 * MBIT - 1);
- game_no++;
- }
- while (multi_game ? (game_table[game_no * 0x20] && game_no < 31) : 0);
- fclose (file);
- return 0;
- }
- int
- md_read_sram (const char *filename, unsigned short parport, int start_bank)
- /*
- The MD-PRO has 256 kB of SRAM. However, the SRAM dumps of all games that have
- been tested had each byte doubled. In order to make it possible to easily
- obtain the SRAM data for use in an emulator, or to send an emulator SRAM file
- to the MD-PRO, we remove the redundant data when receiving/dumping and double
- the data when sending.
- It could be that this approach causes trouble for some games. However, when
- looking at ToToTEK's own code in ttt_write_page_ram2() this seems unlikely
- (data is doubled in that function). Note that write_sram_by_byte() is a
- function written by us, and so does the doubling of data, but it doesn't mean
- it should work for all games.
- */
- {
- FILE *file;
- unsigned char buffer[0x100];
- int blocksleft, address, bytesreceived = 0, size, i;
- time_t starttime;
- void (*read_block) (int, unsigned char *) = ttt_read_ram_b; // ttt_read_ram_w
- // This function does not seem to work if ttt_read_ram_w() is used, but see
- // note below
- if (start_bank == -1)
- {
- address = 0;
- size = 128 * 1024;
- }
- else
- {
- if (start_bank < 1 || start_bank > 4)
- {
- fputs ("ERROR: Bank must be a value 1 - 4\n", stderr);
- exit (1);
- }
- address = (start_bank - 1) * 32 * 1024;
- size = 32 * 1024;
- }
- if ((file = fopen (filename, "wb")) == NULL)
- {
- fprintf (stderr, ucon64_msg[OPEN_WRITE_ERROR], filename);
- exit (1);
- }
- ttt_init_io (parport);
- printf ("Receive: %d Bytes (%.4f Mb)\n\n", size, (float) size / MBIT);
- if (check_card () == 0)
- {
- fclose (file);
- remove (filename);
- exit (1);
- }
- if (read_block == ttt_read_ram_w)
- {
- // address *= 2;
- ttt_ram_enable ();
- #if 0
- // According to JohnDie, disabling this statement should make it possible
- // to use ttt_read_ram_w().
- ttt_set_ai_data (6, 0x98); // rst=1, wei=0(dis.), rdi=0(dis.), inc mode, rom_CS
- #endif
- }
- // else
- // ttt_set_ai_data (6, 0x94); // rst=1, wei=0(dis.), rdi=0(dis.), inc mode, rom_CS
- blocksleft = size >> 7;
- starttime = time (NULL);
- while (blocksleft-- > 0)
- {
- read_block (address, buffer); // 0x100 bytes read
- for (i = 0; i < 0x80; i++)
- buffer[i] = buffer[2 * i]; // data is doubled => no problems with endianess
- fwrite (buffer, 1, 0x80, file);
- address += 0x100;
- bytesreceived += 0x80;
- if ((address & 0x3fff) == 0)
- ucon64_gauge (starttime, bytesreceived, size);
- }
- if (read_block == ttt_read_ram_w)
- ttt_ram_disable ();
- fclose (file);
- return 0;
- }
- int
- md_write_sram (const char *filename, unsigned short parport, int start_bank)
- {
- FILE *file;
- unsigned char buffer[0x4000];
- int size, bytesread, bytessent = 0, address;
- time_t starttime;
- void (*write_block) (int *, unsigned char *) = write_ram_by_byte; // write_ram_by_page
- (void) write_ram_by_page;
- size = ucon64.file_size;
- if (start_bank == -1)
- address = 0;
- else
- {
- if (start_bank < 1 || start_bank > 4)
- {
- fputs ("ERROR: Bank must be a value 1 - 4\n", stderr);
- exit (1);
- }
- address = (start_bank - 1) * 32 * 1024;
- }
- if ((file = fopen (filename, "rb")) == NULL)
- {
- fprintf (stderr, ucon64_msg[OPEN_READ_ERROR], filename);
- exit (1);
- }
- ttt_init_io (parport);
- printf ("Send: %d Bytes (%.4f Mb)\n\n", size, (float) size / MBIT);
- if (check_card () == 0)
- {
- fclose (file);
- exit (1);
- }
- starttime = time (NULL);
- while ((bytesread = fread (buffer, 1, 0x4000, file)) != 0)
- {
- write_block (&address, buffer);
- bytessent += bytesread;
- ucon64_gauge (starttime, bytessent, size);
- }
- fclose (file);
- return 0;
- }
- #endif // USE_PARALLEL
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