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- /*
- pce-pro.c - PCE-PRO flash card programmer support for uCON64
- Copyright (c) 2004 - 2005 dbjh
- 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/pce-pro.h"
- #ifdef USE_PARALLEL
- static st_ucon64_obj_t pcepro_obj[] =
- {
- {UCON64_PCE, WF_DEFAULT | WF_STOP | WF_NO_SPLIT | WF_NO_ROM}
- };
- #endif
- const st_getopt2_t pcepro_usage[] =
- {
- {
- NULL, 0, 0, 0,
- NULL, "PCE-PRO flash card programmer"/*"2004 ToToTEK Multi Media http://www.tototek.com"*/,
- NULL
- },
- #ifdef USE_PARALLEL
- {
- "xpce", 0, 0, UCON64_XPCE,
- NULL, "send/receive ROM to/from PCE-PRO flash card programmer\n" OPTION_LONG_S "port=PORT\n"
- "receives automatically (32 Mbits) when ROM does not exist",
- &pcepro_obj[0]
- },
- #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
- eep_reset (void)
- {
- ttt_rom_enable ();
- ttt_write_mem (0x000000, 0xff); // reset EEP
- ttt_write_mem (0x200000, 0xff); // reset EEP
- ttt_rom_disable ();
- }
- static unsigned short int
- check_card (void)
- {
- unsigned short int id;
- eep_reset ();
- id = ttt_get_id ();
- if (id != 0xb0d0)
- {
- fprintf (stderr, "ERROR: PCE-PRO flash card (programmer) not detected (ID: 0x%02hx)\n", id);
- return 0;
- }
- else
- return id;
- }
- static void
- write_rom_by_byte (int *addr, unsigned char *buf)
- {
- int x;
- for (x = 0; x < 0x4000; x++)
- {
- ttt_write_byte_sharp (*addr, buf[*addr & 0x3fff]);
- (*addr)++;
- }
- }
- static 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;
- }
- }
- int
- pce_read_rom (const char *filename, unsigned short parport, int size)
- {
- FILE *file;
- 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);
- printf ("Receive: %d Bytes (%.4f Mb)\n\n", size, (float) size / MBIT);
- if (check_card () == 0)
- {
- fclose (file);
- remove (filename);
- exit (1);
- }
- 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
- 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
- pce_write_rom (const char *filename, unsigned short parport)
- {
- FILE *file;
- unsigned char buffer[0x4000], game_table[32 * 0x20];
- int game_no, size, romsize = 0, startaddress, address = 0, bytesread,
- bytessent = 0, bytesleft, 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, 0xb3f4, 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, 0xb000, 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;
- // 4 Mbit games need the last 2 Mbit to be mirrored (so, they need 6 Mbit)
- if (multi_game)
- {
- game_no = 0;
- while (game_table[game_no * 0x20] && game_no < 31)
- {
- if (game_table[game_no * 0x20 + 0x1e] == 4)
- size += 2 * MBIT;
- game_no++;
- }
- }
- else
- {
- romsize = size; // one file (no multi-game)
- if (size == 4 * MBIT)
- size += 2 * MBIT;
- }
- printf ("Send: %d Bytes (%.4f Mb)\n\n", size, (float) size / MBIT);
- if (check_card () == 0)
- {
- fclose (file);
- exit (1);
- }
- fseek (file, 0, SEEK_SET);
- starttime = time (NULL);
- eep_reset ();
- game_no = -1;
- do
- {
- if (game_no >= 0) // a game of a multi-game file
- romsize = game_table[game_no * 0x20 + 0x1e] * MBIT;
- else if (multi_game)
- romsize = PCE_PRO_LOADER_SIZE; // the loader
- bytesleft = romsize;
- if (bytesleft == 4 * MBIT)
- bytesleft += 2 * MBIT;
- startaddress = address;
- while (bytesleft > 0 && (bytesread = fread (buffer, 1, 0x4000, file)) != 0)
- {
- if ((address & 0xffff) == 0)
- ttt_erase_block (address);
- write_block (&address, buffer);
- if ((romsize == 3 * MBIT) && (address - startaddress == 2 * MBIT))
- address += 2 * MBIT;
- else if ((romsize == 4 * MBIT) && (address - startaddress == 4 * MBIT))
- fseek (file, -2 * MBIT, SEEK_CUR);
- bytessent += bytesread;
- ucon64_gauge (starttime, bytessent, size);
- bytesleft -= bytesread;
- }
- // Games have to be aligned to a Mbit boundary.
- address = (address + MBIT - 1) & ~(MBIT - 1);
- game_no++;
- }
- while (multi_game ? (game_table[game_no * 0x20] && game_no < 31) : 0);
- fclose (file);
- return 0;
- }
- #endif // USE_PARALLEL
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