blargg_err_t Ay_Emu::load_mem_( byte const in [], int size )
{
assert( offsetof (header_t,track_info [2]) == header_t::size );
RETURN_ERR( parse_header( in, size, &file ) );
set_track_count( file.header->max_track + 1 );
if ( file.header->vers > 2 )
set_warning( "Unknown file version" );
int const osc_count = Ay_Apu::osc_count + 1; // +1 for beeper
set_voice_count( osc_count );
core.apu().volume( gain() );
static const char* const names [osc_count] = {
"Wave 1", "Wave 2", "Wave 3", "Beeper"
};
set_voice_names( names );
static int const types [osc_count] = {
wave_type+0, wave_type+1, wave_type+2, mixed_type+1
};
set_voice_types( types );
return setup_buffer( spectrum_clock );
}
blargg_err_t Sap_Emu::load_mem_( byte const in [], int size )
{
file_end = in + size;
info_.warning = NULL;
info_.type = 'B';
info_.stereo = false;
info_.init_addr = -1;
info_.play_addr = -1;
info_.music_addr = -1;
info_.fastplay = 312;
RETURN_ERR( parse_info( in, size, &info_ ) );
set_warning( info_.warning );
set_track_count( info_.track_count );
set_voice_count( Sap_Apu::osc_count << info_.stereo );
core.apu_impl().volume( gain() );
static const char* const names [Sap_Apu::osc_count * 2] = {
"Wave 1", "Wave 2", "Wave 3", "Wave 4",
"Wave 5", "Wave 6", "Wave 7", "Wave 8",
};
set_voice_names( names );
static int const types [Sap_Apu::osc_count * 2] = {
wave_type+1, wave_type+2, wave_type+3, wave_type+0,
wave_type+5, wave_type+6, wave_type+7, wave_type+4,
};
set_voice_types( types );
return setup_buffer( 1773447 );
}
blargg_err_t load_mem_( byte const begin [], int size )
{
header_ = ( Kss_Emu::header_t const* ) begin;
if ( header_->tag [3] == 'X' && header_->extra_header == 0x10 )
set_track_count( get_le16( header_->last_track ) + 1 );
return check_kss_header( header_ );
}
blargg_err_t load_mem_( byte const begin [], int size )
{
h = ( Gbs_Emu::header_t * ) begin;
set_track_count( h->track_count );
if ( !h->valid_tag() )
return blargg_err_file_type;
return blargg_ok;
}
// public load functions call this at end
blargg_err_t Gme_File::post_load( blargg_err_t err )
{
if ( !track_count() )
set_track_count( type()->track_count );
if ( !err )
post_load_();
else
unload();
return err;
}
blargg_err_t load_( Data_Reader& in )
{
blargg_err_t err = in.read( &h, Nsf_Emu::header_size );
if ( err )
return (err == in.eof_error ? gme_wrong_file_type : err);
if ( h.chip_flags & ~(namco_flag | vrc6_flag | fme7_flag) )
set_warning( "Uses unsupported audio expansion hardware" );
set_track_count( h.track_count );
return check_nsf_header( &h );
}
blargg_err_t load_( Data_Reader& in )
{
blargg_err_t err = in.read( &h, h.size );
if ( err )
return (blargg_is_err_type( err, blargg_err_file_eof ) ? blargg_err_file_type : err);
set_track_count( h.track_count );
if ( !h.valid_tag() )
return blargg_err_file_type;
return blargg_ok;
}
blargg_err_t Ay_Emu::load_mem_( byte const* in, long size )
{
assert( offsetof (header_t,track_info [2]) == header_size );
RETURN_ERR( parse_header( in, size, &file ) );
set_track_count( file.header->max_track + 1 );
if ( file.header->vers > 2 )
set_warning( "Unknown file version" );
set_voice_count( osc_count );
apu.volume( gain() );
return setup_buffer( spectrum_clock );
}
blargg_err_t Gbs_Emu::load_( Data_Reader& in )
{
RETURN_ERR( core_.load( in ) );
set_warning( core_.warning() );
set_track_count( header().track_count );
set_voice_count( Gb_Apu::osc_count );
core_.apu().volume( gain() );
static const char* const names [Gb_Apu::osc_count] = {
"Square 1", "Square 2", "Wave", "Noise"
};
set_voice_names( names );
static int const types [Gb_Apu::osc_count] = {
wave_type+1, wave_type+2, wave_type+3, mixed_type+1
};
set_voice_types( types );
return setup_buffer( 4194304 );
}
blargg_err_t Sap_Emu::load_mem_( byte const* in, long size )
{
file_end = in + size;
info.warning = 0;
info.type = 'B';
info.stereo = false;
info.init_addr = -1;
info.play_addr = -1;
info.music_addr = -1;
info.fastplay = 312;
RETURN_ERR( parse_info( in, size, &info ) );
set_warning( info.warning );
set_track_count( info.track_count );
set_voice_count( Sap_Apu::osc_count << info.stereo );
apu_impl.volume( gain() );
return setup_buffer( 1773447 );
}
blargg_err_t Nsf_Emu::load_( Data_Reader& in )
{
assert( offsetof (header_t,unused [4]) == header_size );
RETURN_ERR( rom.load( in, header_size, &header_, 0 ) );
set_track_count( header_.track_count );
RETURN_ERR( check_nsf_header( &header_ ) );
if ( header_.vers != 1 )
set_warning( "Unknown file version" );
// sound and memory
blargg_err_t err = init_sound();
if ( err )
return err;
// set up data
nes_addr_t load_addr = get_le16( header_.load_addr );
init_addr = get_le16( header_.init_addr );
play_addr = get_le16( header_.play_addr );
if ( !load_addr ) load_addr = rom_begin;
if ( !init_addr ) init_addr = rom_begin;
if ( !play_addr ) play_addr = rom_begin;
if ( load_addr < rom_begin || init_addr < rom_begin )
{
const char* w = warning();
if ( !w )
w = "Corrupt file (invalid load/init/play address)";
return w;
}
rom.set_addr( load_addr % bank_size );
int total_banks = rom.size() / bank_size;
// bank switching
int first_bank = (load_addr - rom_begin) / bank_size;
for ( int i = 0; i < bank_count; i++ )
{
unsigned bank = i - first_bank;
if ( bank >= (unsigned) total_banks )
bank = 0;
initial_banks [i] = bank;
if ( header_.banks [i] )
{
// bank-switched
memcpy( initial_banks, header_.banks, sizeof initial_banks );
break;
}
}
pal_only = (header_.speed_flags & 3) == 1;
#if !NSF_EMU_EXTRA_FLAGS
header_.speed_flags = 0;
#endif
set_tempo( tempo() );
return setup_buffer( (long) (clock_rate_ + 0.5) );
}
blargg_err_t Gme_File::post_load()
{
if ( !track_count() )
set_track_count( type()->track_count );
return Gme_Loader::post_load();
}
blargg_err_t load_mem_( byte const* begin, long size )
{
RETURN_ERR( parse_header( begin, size, &file ) );
set_track_count( file.header->max_track + 1 );
return 0;
}
blargg_err_t load_mem_( byte const* begin, long size )
{
RETURN_ERR( parse_info( begin, size, &info ) );
set_track_count( info.track_count );
return 0;
}
blargg_err_t load_mem_( byte const begin [], int size )
{
RETURN_ERR( parse_info( begin, size, &info ) );
set_track_count( info.track_count );
return blargg_ok;
}
blargg_err_t Kss_Emu::load_( Data_Reader& in )
{
RETURN_ERR( core.load( in ) );
set_warning( core.warning() );
set_track_count( get_le16( header().last_track ) + 1 );
core.scc_enabled = false;
if ( header().device_flags & 0x02 ) // Sega Master System
{
int const osc_count = Sms_Apu::osc_count + Opl_Apu::osc_count;
static const char* const names [osc_count] = {
"Square 1", "Square 2", "Square 3", "Noise", "FM"
};
set_voice_names( names );
static int const types [osc_count] = {
wave_type+1, wave_type+3, wave_type+2, mixed_type+1, wave_type+0
};
set_voice_types( types );
// sms.psg
set_voice_count( Sms_Apu::osc_count );
check( !core.sms.psg );
CHECK_ALLOC( core.sms.psg = BLARGG_NEW Sms_Apu );
// sms.fm
if ( header().device_flags & 0x01 )
{
set_voice_count( osc_count );
RETURN_ERR( new_opl_apu( Opl_Apu::type_smsfmunit, &core.sms.fm ) );
}
}
else // MSX
{
int const osc_count = Ay_Apu::osc_count + Opl_Apu::osc_count;
static const char* const names [osc_count] = {
"Square 1", "Square 2", "Square 3", "FM"
};
set_voice_names( names );
static int const types [osc_count] = {
wave_type+1, wave_type+3, wave_type+2, wave_type+0
};
set_voice_types( types );
// msx.psg
set_voice_count( Ay_Apu::osc_count );
check( !core.msx.psg );
CHECK_ALLOC( core.msx.psg = BLARGG_NEW Ay_Apu );
if ( header().device_flags & 0x10 )
set_warning( "MSX stereo not supported" );
// msx.music
if ( header().device_flags & 0x01 )
{
set_voice_count( osc_count );
RETURN_ERR( new_opl_apu( Opl_Apu::type_msxmusic, &core.msx.music ) );
}
// msx.audio
if ( header().device_flags & 0x08 )
{
set_voice_count( osc_count );
RETURN_ERR( new_opl_apu( Opl_Apu::type_msxaudio, &core.msx.audio ) );
}
if ( !(header().device_flags & 0x80) )
{
if ( !(header().device_flags & 0x84) )
core.scc_enabled = core.scc_enabled_true;
// msx.scc
check( !core.msx.scc );
CHECK_ALLOC( core.msx.scc = BLARGG_NEW Scc_Apu );
int const osc_count = Ay_Apu::osc_count + Scc_Apu::osc_count;
static const char* const names [osc_count] = {
"Square 1", "Square 2", "Square 3",
"Wave 1", "Wave 2", "Wave 3", "Wave 4", "Wave 5"
};
set_voice_names( names );
static int const types [osc_count] = {
wave_type+1, wave_type+3, wave_type+2,
wave_type+0, wave_type+4, wave_type+5, wave_type+6, wave_type+7,
};
set_voice_types( types );
set_voice_count( osc_count );
}
}
set_silence_lookahead( 6 );
if ( core.sms.fm || core.msx.music || core.msx.audio )
{
if ( !Opl_Apu::supported() )
set_warning( "FM sound not supported" );
else
set_silence_lookahead( 3 ); // Opl_Apu is really slow
}
return setup_buffer( ::clock_rate );
}
