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;
}
void
ttt_write_page_rom (int addr, unsigned char *buf) // original name: writeEEPDataPAGE
{
int i;
// send command 0xe8
ttt_rom_enable ();
ttt_write_mem (addr, 0xe8);
// read status
set_ai (3);
set_data_read ();
while (inportb (port_c) < 0x80)
;
set_ai (3);
outportb (port_c, 0x1f);
ttt_set_ai_data (6, 0x94);
set_addr_write (addr);
for (i = 0; i <= 0x1f; i++)
outportb (port_c, buf[(addr + i) & 0x3fff]);
ttt_set_ai_data (6, 0x84);
set_ai (3);
outportb (port_c, 0xd0);
// read status
set_ai (3);
set_data_read ();
while (inportb (port_c) < 0x80)
;
ttt_rom_disable ();
}
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 ();
}
void
ttt_write_byte_sharp (int addr, unsigned char b) // original name: writeEEPDataB
{
ttt_rom_enable ();
ttt_write_mem (addr, 0x40);
outportb (port_c, b);
ttt_rom_disable ();
}
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 ();
}
// Sharp function
void
ttt_erase_block (int addr) // original name: EraseBLOCK
{
ttt_rom_enable ();
ttt_write_mem (addr, 0x50);
ttt_rom_disable ();
ttt_rom_enable ();
ttt_write_mem (addr, 0x20);
outportb (port_c, 0xd0);
ttt_rom_disable ();
ttt_rom_enable ();
set_ai (3);
set_data_read (); // set read mode
while (inportb (port_c) < 0x80)
;
ttt_rom_disable ();
}
void
readstatus (void)
{ // MD-PRO function
// send command 0xe8
ttt_rom_enable ();
set_ai (3);
set_data_read ();
while (inportb (port_c) < 0x80)
;
ttt_rom_disable ();
}
void
ttt_write_byte_intel (int addr, unsigned char b) // original name: writeIntelEEPDataB
{ // MD-PRO function
ttt_rom_enable ();
ttt_write_mem (addr, 0x40);
outportb (port_c, b);
set_data_read ();
while (inportb (port_c) < 0x80)
;
ttt_rom_disable ();
}
void
ttt_read_rom_b (int addr, unsigned char *buf) // original name: read_buffb
{
int count;
ttt_rom_enable ();
for (count = 0; count < 0x100; count++)
{
set_addr_read (addr + count);
buf[count] = inportb (port_c); // read_data ()
}
ttt_rom_disable ();
}
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;
}
unsigned char
get_id_byte (unsigned char addr) // original name: GETID
{
unsigned char byte;
ttt_rom_enable ();
ttt_set_ai_data (0, addr); // a[7..0] = 0
set_ai (3);
outportb (port_c, 0x90); // write_data ()
set_ai (3);
set_data_read (); // ninit=0, nwrite=1
byte = inportb (port_c); // read_data ()
ttt_rom_disable ();
return byte;
}
