1 files changed, 0 insertions, 444 deletions
diff --git a/plugins/gme/game-music-emu-0.6.0/gme/Sap_Emu.cpp b/plugins/gme/game-music-emu-0.6.0/gme/Sap_Emu.cpp
deleted file mode 100644
index aa4ce948..00000000
--- a/plugins/gme/game-music-emu-0.6.0/gme/Sap_Emu.cpp
+++ /dev/null
@@ -1,444 +0,0 @@
-// Game_Music_Emu 0.5.5. http://www.slack.net/~ant/
-
-#include "Sap_Emu.h"
-
-#include "blargg_endian.h"
-#include <string.h>
-
-/* Copyright (C) 2006 Shay Green. This module is free software; you
-can redistribute it and/or modify it under the terms of the GNU Lesser
-General Public License as published by the Free Software Foundation; either
-version 2.1 of the License, or (at your option) any later version. This
-module 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 Lesser General Public License for more
-details. You should have received a copy of the GNU Lesser General Public
-License along with this module; if not, write to the Free Software Foundation,
-Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */
-
-#include "blargg_source.h"
-
-long const base_scanline_period = 114;
-
-Sap_Emu::Sap_Emu()
-{
-	set_type( gme_sap_type );
-	
-	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 );
-	set_silence_lookahead( 6 );
-}
-
-Sap_Emu::~Sap_Emu() { }
-
-// Track info
-
-// Returns 16 or greater if not hex
-inline int from_hex_char( int h )
-{
-	h -= 0x30;
-	if ( (unsigned) h > 9 )
-		h = ((h - 0x11) & 0xDF) + 10;
-	return h;
-}
-
-static long from_hex( byte const* in )
-{
-	unsigned result = 0;
-	for ( int n = 4; n--; )
-	{
-		int h = from_hex_char( *in++ );
-		if ( h > 15 )
-			return -1;
-		result = result * 0x10 + h;
-	}
-	return result;
-}
-
-static int from_dec( byte const* in, byte const* end )
-{
-	if ( in >= end )
-		return -1;
-	
-	int n = 0;
-	while ( in < end )
-	{
-		int dig = *in++ - '0';
-		if ( (unsigned) dig > 9 )
-			return -1;
-		n = n * 10 + dig;
-	}
-	return n;
-}
-
-static void parse_string( byte const* in, byte const* end, int len, char* out )
-{
-	byte const* start = in;
-	if ( *in++ == '\"' )
-	{
-		start++;
-		while ( in < end && *in != '\"' )
-			in++;
-	}
-	else
-	{
-		in = end;
-	}
-	len = min( len - 1, int (in - start) );
-	out [len] = 0;
-	memcpy( out, start, len );
-}
-
-static blargg_err_t parse_info( byte const* in, long size, Sap_Emu::info_t* out )
-{
-	out->track_count   = 1;
-	out->author    [0] = 0;
-	out->name      [0] = 0;
-	out->copyright [0] = 0;
-	
-	if ( size < 16 || memcmp( in, "SAP\x0D\x0A", 5 ) )
-		return gme_wrong_file_type;
-	
-	byte const* file_end = in + size - 5;
-	in += 5;
-	while ( in < file_end && (in [0] != 0xFF || in [1] != 0xFF) )
-	{
-		byte const* line_end = in;
-		while ( line_end < file_end && *line_end != 0x0D )
-			line_end++;
-		
-		char const* tag = (char const*) in;
-		while ( in < line_end && *in > ' ' )
-			in++;
-		int tag_len = (char const*) in - tag;
-		
-		while ( in < line_end && *in <= ' ' ) in++;
-		
-		if ( tag_len <= 0 )
-		{
-			// skip line
-		}
-		else if ( !strncmp( "INIT", tag, tag_len ) )
-		{
-			out->init_addr = from_hex( in );
-			if ( (unsigned long) out->init_addr > 0xFFFF )
-				return "Invalid init address";
-		}
-		else if ( !strncmp( "PLAYER", tag, tag_len ) )
-		{
-			out->play_addr = from_hex( in );
-			if ( (unsigned long) out->play_addr > 0xFFFF )
-				return "Invalid play address";
-		}
-		else if ( !strncmp( "MUSIC", tag, tag_len ) )
-		{
-			out->music_addr = from_hex( in );
-			if ( (unsigned long) out->music_addr > 0xFFFF )
-				return "Invalid music address";
-		}
-		else if ( !strncmp( "SONGS", tag, tag_len ) )
-		{
-			out->track_count = from_dec( in, line_end );
-			if ( out->track_count <= 0 )
-				return "Invalid track count";
-		}
-		else if ( !strncmp( "TYPE", tag, tag_len ) )
-		{
-			switch ( out->type = *in )
-			{
-			case 'C':
-			case 'B':
-				break;
-			
-			case 'D':
-				return "Digimusic not supported";
-			
-			default:
-				return "Unsupported player type";
-			}
-		}
-		else if ( !strncmp( "STEREO", tag, tag_len ) )
-		{
-			out->stereo = true;
-		}
-		else if ( !strncmp( "FASTPLAY", tag, tag_len ) )
-		{
-			out->fastplay = from_dec( in, line_end );
-			if ( out->fastplay <= 0 )
-				return "Invalid fastplay value";
-		}
-		else if ( !strncmp( "AUTHOR", tag, tag_len ) )
-		{
-			parse_string( in, line_end, sizeof out->author, out->author );
-		}
-		else if ( !strncmp( "NAME", tag, tag_len ) )
-		{
-			parse_string( in, line_end, sizeof out->name, out->name );
-		}
-		else if ( !strncmp( "DATE", tag, tag_len ) )
-		{
-			parse_string( in, line_end, sizeof out->copyright, out->copyright );
-		}
-		
-		in = line_end + 2;
-	}
-	
-	if ( in [0] != 0xFF || in [1] != 0xFF )
-		return "ROM data missing";
-	out->rom_data = in + 2;
-	
-	return 0;
-}
-
-static void copy_sap_fields( Sap_Emu::info_t const& in, track_info_t* out )
-{
-	Gme_File::copy_field_( out->game,      in.name );
-	Gme_File::copy_field_( out->author,    in.author );
-	Gme_File::copy_field_( out->copyright, in.copyright );
-}
-
-blargg_err_t Sap_Emu::track_info_( track_info_t* out, int ) const
-{
-	copy_sap_fields( info, out );
-	return 0;
-}
-
-struct Sap_File : Gme_Info_
-{
-	Sap_Emu::info_t info;
-	
-	Sap_File() { set_type( gme_sap_type ); }
-	
-	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 track_info_( track_info_t* out, int ) const
-	{
-		copy_sap_fields( info, out );
-		return 0;
-	}
-};
-
-static Music_Emu* new_sap_emu () { return BLARGG_NEW Sap_Emu ; }
-static Music_Emu* new_sap_file() { return BLARGG_NEW Sap_File; }
-
-static gme_type_t_ const gme_sap_type_ = { "Atari XL", 0, &new_sap_emu, &new_sap_file, "SAP", 1 };
-gme_type_t const gme_sap_type = &gme_sap_type_;
-
-
-// Setup
-
-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 );
-}
-
-void Sap_Emu::update_eq( blip_eq_t const& eq )
-{
-	apu_impl.synth.treble_eq( eq );
-}
-
-void Sap_Emu::set_voice( int i, Blip_Buffer* center, Blip_Buffer* left, Blip_Buffer* right )
-{
-	int i2 = i - Sap_Apu::osc_count;
-	if ( i2 >= 0 )
-		apu2.osc_output( i2, right );
-	else
-		apu.osc_output( i, (info.stereo ? left : center) );
-}
-
-// Emulation
-
-void Sap_Emu::set_tempo_( double t )
-{
-	scanline_period = sap_time_t (base_scanline_period / t);
-}
-
-inline sap_time_t Sap_Emu::play_period() const { return info.fastplay * scanline_period; }
-
-void Sap_Emu::cpu_jsr( sap_addr_t addr )
-{
-	check( r.sp >= 0xFE ); // catch anything trying to leave data on stack
-	r.pc = addr;
-	int high_byte = (idle_addr - 1) >> 8;
-	if ( r.sp == 0xFE && mem.ram [0x1FF] == high_byte )
-		r.sp = 0xFF; // pop extra byte off
-	mem.ram [0x100 + r.sp--] = high_byte; // some routines use RTI to return
-	mem.ram [0x100 + r.sp--] = high_byte;
-	mem.ram [0x100 + r.sp--] = (idle_addr - 1) & 0xFF;
-}
-
-void Sap_Emu::run_routine( sap_addr_t addr )
-{
-	cpu_jsr( addr );
-	cpu::run( 312 * base_scanline_period * 60 );
-	check( r.pc == idle_addr );
-}
-
-inline void Sap_Emu::call_init( int track )
-{
-	switch ( info.type )
-	{
-	case 'B':
-		r.a = track;
-		run_routine( info.init_addr );
-		break;
-	
-	case 'C':
-		r.a = 0x70;
-		r.x = info.music_addr&0xFF;
-		r.y = info.music_addr >> 8;
-		run_routine( info.play_addr + 3 );
-		r.a = 0;
-		r.x = track;
-		run_routine( info.play_addr + 3 );
-		break;
-	}
-}
-
-blargg_err_t Sap_Emu::start_track_( int track )
-{
-	RETURN_ERR( Classic_Emu::start_track_( track ) );
-	
-	memset( &mem, 0, sizeof mem );
-
-	byte const* in = info.rom_data;
-	while ( file_end - in >= 5 )
-	{
-		unsigned start = get_le16( in );
-		unsigned end   = get_le16( in + 2 );
-		//debug_printf( "Block $%04X-$%04X\n", start, end );
-		in += 4;
-		if ( end < start )
-		{
-			set_warning( "Invalid file data block" );
-			break;
-		}
-		long len = end - start + 1;
-		if ( len > file_end - in )
-		{
-			set_warning( "Invalid file data block" );
-			break;
-		}
-		
-		memcpy( mem.ram + start, in, len );
-		in += len;
-		if ( file_end - in >= 2 && in [0] == 0xFF && in [1] == 0xFF )
-			in += 2;
-	}
-	
-	apu.reset( &apu_impl );
-	apu2.reset( &apu_impl );
-	cpu::reset( mem.ram );
-	time_mask = 0; // disables sound during init
-	call_init( track );
-	time_mask = -1;
-	
-	next_play = play_period();
-	
-	return 0;
-}
-
-// Emulation
-
-// see sap_cpu_io.h for read/write functions
-
-void Sap_Emu::cpu_write_( sap_addr_t addr, int data )
-{
-	if ( (addr ^ Sap_Apu::start_addr) <= (Sap_Apu::end_addr - Sap_Apu::start_addr) )
-	{
-		GME_APU_HOOK( this, addr - Sap_Apu::start_addr, data );
-		apu.write_data( time() & time_mask, addr, data );
-		return;
-	}
-	
-	if ( (addr ^ (Sap_Apu::start_addr + 0x10)) <= (Sap_Apu::end_addr - Sap_Apu::start_addr) &&
-			info.stereo )
-	{
-		GME_APU_HOOK( this, addr - 0x10 - Sap_Apu::start_addr + 10, data );
-		apu2.write_data( time() & time_mask, addr ^ 0x10, data );
-		return;
-	}
-
-	if ( (addr & ~0x0010) != 0xD20F || data != 0x03 )
-		debug_printf( "Unmapped write $%04X <- $%02X\n", addr, data );
-}
-
-inline void Sap_Emu::call_play()
-{
-	switch ( info.type )
-	{
-	case 'B':
-		cpu_jsr( info.play_addr );
-		break;
-	
-	case 'C':
-		cpu_jsr( info.play_addr + 6 );
-		break;
-	}
-}
-
-blargg_err_t Sap_Emu::run_clocks( blip_time_t& duration, int )
-{
-	set_time( 0 );
-	while ( time() < duration )
-	{
-		if ( cpu::run( duration ) || r.pc > idle_addr )
-			return "Emulation error (illegal instruction)";
-		
-		if ( r.pc == idle_addr )
-		{
-			if ( next_play <= duration )
-			{
-				set_time( next_play );
-				next_play += play_period();
-				call_play();
-				GME_FRAME_HOOK( this );
-			}
-			else
-			{
-				set_time( duration );
-			}
-		}
-	}
-	
-	duration = time();
-	next_play -= duration;
-	check( next_play >= 0 );
-	if ( next_play < 0 )
-		next_play = 0;
-	apu.end_frame( duration );
-	if ( info.stereo )
-		apu2.end_frame( duration );
-	
-	return 0;
-}