static void get_gym_info( Gym_Emu::header_t const& h, int length, track_info_t* out )
{
if ( 0 != memcmp( h.tag, "GYMX", 4 ) )
return;
length = length * 50 / 3; // 1000 / 60
int loop = get_le32( h.loop_start );
if ( loop )
{
out->intro_length = loop * 50 / 3;
out->loop_length = length - out->intro_length;
}
else
{
out->length = length;
out->intro_length = length; // make it clear that track is no longer than length
out->loop_length = 0;
}
// more stupidity where the field should have been left blank
if ( strcmp( h.song, "Unknown Song" ) )
GME_COPY_FIELD( h, out, song );
if ( strcmp( h.game, "Unknown Game" ) )
GME_COPY_FIELD( h, out, game );
if ( strcmp( h.copyright, "Unknown Publisher" ) )
GME_COPY_FIELD( h, out, copyright );
if ( strcmp( h.dumper, "Unknown Person" ) )
GME_COPY_FIELD( h, out, dumper );
if ( strcmp( h.comment, "Header added by YMAMP" ) )
GME_COPY_FIELD( h, out, comment );
}
static void get_spc_info( Spc_Emu::header_t const& h, byte const* xid6, long xid6_size,
track_info_t* out )
{
// decode length (can be in text or binary format, sometimes ambiguous ugh)
long len_secs = 0;
for ( int i = 0; i < 3; i++ )
{
unsigned n = h.len_secs [i] - '0';
if ( n > 9 )
{
// ignore single-digit text lengths
// (except if author field is present and begins at offset 1, ugh)
if ( i == 1 && (h.author [0] || !h.author [1]) )
len_secs = 0;
break;
}
len_secs *= 10;
len_secs += n;
}
if ( !len_secs || len_secs > 0x1FFF )
len_secs = get_le16( h.len_secs );
if ( len_secs < 0x1FFF )
out->length = len_secs * 1000;
int offset = (h.author [0] < ' ' || unsigned (h.author [0] - '0') <= 9);
Gme_File::copy_field_( out->author, &h.author [offset], sizeof h.author - offset );
GME_COPY_FIELD( h, out, song );
GME_COPY_FIELD( h, out, game );
GME_COPY_FIELD( h, out, dumper );
GME_COPY_FIELD( h, out, comment );
if ( xid6_size )
get_spc_xid6( xid6, xid6_size, out );
}
static void copy_nsf_fields( Nsf_Emu::header_t const& h, track_info_t* out )
{
GME_COPY_FIELD( h, out, game );
GME_COPY_FIELD( h, out, author );
GME_COPY_FIELD( h, out, copyright );
if ( h.chip_flags )
Gme_File::copy_field_( out->system, "Famicom" );
}
static void copy_gbs_fields( Gbs_Emu::header_t const& h, track_info_t* out )
{
GME_COPY_FIELD( h, out, game );
GME_COPY_FIELD( h, out, author );
GME_COPY_FIELD( h, out, copyright );
}
