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actually allow avalon13 gdrom to be processed.

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filename inside gdrom isn't 8.3, so it wasn't being found, or decrypted....
This commit is contained in:
davidhay 2009-03-31 19:03:19 +00:00
parent ae256a7fec
commit e45b415aa3
1 changed files with 22 additions and 13 deletions
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35
src/mame/machine/naomibd.c
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@ -320,6 +320,8 @@ WRITE64_DEVICE_HANDLER( naomibd_w )
*
*************************************/
#define FILENAME_LENGTH 16
static void load_rom_gdrom(running_machine* machine, naomibd_state *v)
{
UINT32 result;
@ -328,10 +330,10 @@ static void load_rom_gdrom(running_machine* machine, naomibd_state *v)
UINT8 *ptr;
UINT32 start,size,sectors,dir;
int pos,len,a;
char name[15];
char name[128];
UINT64 key;
memset(name, 15, 0);
memset(name, '\0',128);
memcpy(name, v->picdata+33, 7);
memcpy(name+7, v->picdata+25, 7);
gdromfile = cdrom_open(v->gdromchd);
@ -355,17 +357,18 @@ static void load_rom_gdrom(running_machine* machine, naomibd_state *v)
// find data of file
start = 0;
size = 0;
printf("Looking for file %s\n", name);
for (pos = 0;pos < 2048;pos += buffer[pos])
{
a=0;
if (!(buffer[pos+25] & 2))
{
len=buffer[pos+32];
for (a=0;a < 15;a++)
for (a=0;a < FILENAME_LENGTH;a++)
{
if ((buffer[pos+33+a] == ';') && (name[a] == 0))
{
a=16;
a=FILENAME_LENGTH+1;
break;
}
if (buffer[pos+33+a] != name[a])
@ -373,13 +376,13 @@ static void load_rom_gdrom(running_machine* machine, naomibd_state *v)
if (a == len)
{
if (name[a] == 0)
a = 16;
a = FILENAME_LENGTH+1;
else
a = 15;
a = FILENAME_LENGTH;
}
}
}
if (a == 16)
if (a == FILENAME_LENGTH+1)
{
// start sector and size of file
start=((buffer[pos+2] << 0) |
@ -395,28 +398,34 @@ static void load_rom_gdrom(running_machine* machine, naomibd_state *v)
if (buffer[pos] == 0)
break;
}
if ((start != 0) && (size == 0x100))
{
// read file
result = cdrom_read_data(gdromfile, start, buffer, CD_TRACK_MODE1);
// get "rom" file name
memcpy(name, buffer+0xc0, 14);
memset(name,'\0', 128);
memcpy(name, buffer+0xc0, FILENAME_LENGTH-1);
// directory
result = cdrom_read_data(gdromfile, dir, buffer, CD_TRACK_MODE1);
// find data of "rom" file
start = 0;
size = 0;
printf("Looking for file %s\n", name);
for (pos = 0;pos < 2048;pos += buffer[pos])
{
a = 0;
if (!(buffer[pos+25] & 2))
{
len = buffer[pos+32];
for (a=0;a < 15;a++)
for (a=0;a < FILENAME_LENGTH;a++)
{
if ((buffer[pos+33+a] == ';') && (name[a] == 0))
{
a=16;
a=FILENAME_LENGTH+1;
break;
}
if (buffer[pos+33+a] != name[a])
@ -424,13 +433,13 @@ static void load_rom_gdrom(running_machine* machine, naomibd_state *v)
if (a == len)
{
if (name[a] == 0)
a = 16;
a = (FILENAME_LENGTH+1);
else
a = 15;
a = FILENAME_LENGTH;
}
}
}
if (a == 16)
if (a == (FILENAME_LENGTH+1))
{
// start sector and size of file
start=((buffer[pos+2] << 0) |