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+/*******************************************************************************
+  Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
+ 
+  (c) Copyright 1996 - 2002 Gary Henderson (gary.henderson@ntlworld.com) and
+                            Jerremy Koot (jkoot@snes9x.com)
+
+  (c) Copyright 2001 - 2004 John Weidman (jweidman@slip.net)
+
+  (c) Copyright 2002 - 2004 Brad Jorsch (anomie@users.sourceforge.net),
+                            funkyass (funkyass@spam.shaw.ca),
+                            Joel Yliluoma (http://iki.fi/bisqwit/)
+                            Kris Bleakley (codeviolation@hotmail.com),
+                            Matthew Kendora,
+                            Nach (n-a-c-h@users.sourceforge.net),
+                            Peter Bortas (peter@bortas.org) and
+                            zones (kasumitokoduck@yahoo.com)
+
+  C4 x86 assembler and some C emulation code
+  (c) Copyright 2000 - 2003 zsKnight (zsknight@zsnes.com),
+                            _Demo_ (_demo_@zsnes.com), and Nach
+
+  C4 C++ code
+  (c) Copyright 2003 Brad Jorsch
+
+  DSP-1 emulator code
+  (c) Copyright 1998 - 2004 Ivar (ivar@snes9x.com), _Demo_, Gary Henderson,
+                            John Weidman, neviksti (neviksti@hotmail.com),
+                            Kris Bleakley, Andreas Naive
+
+  DSP-2 emulator code
+  (c) Copyright 2003 Kris Bleakley, John Weidman, neviksti, Matthew Kendora, and
+                     Lord Nightmare (lord_nightmare@users.sourceforge.net
+
+  OBC1 emulator code
+  (c) Copyright 2001 - 2004 zsKnight, pagefault (pagefault@zsnes.com) and
+                            Kris Bleakley
+  Ported from x86 assembler to C by sanmaiwashi
+
+  SPC7110 and RTC C++ emulator code
+  (c) Copyright 2002 Matthew Kendora with research by
+                     zsKnight, John Weidman, and Dark Force
+
+  S-DD1 C emulator code
+  (c) Copyright 2003 Brad Jorsch with research by
+                     Andreas Naive and John Weidman
+ 
+  S-RTC C emulator code
+  (c) Copyright 2001 John Weidman
+  
+  ST010 C++ emulator code
+  (c) Copyright 2003 Feather, Kris Bleakley, John Weidman and Matthew Kendora
+
+  Super FX x86 assembler emulator code 
+  (c) Copyright 1998 - 2003 zsKnight, _Demo_, and pagefault 
+
+  Super FX C emulator code 
+  (c) Copyright 1997 - 1999 Ivar, Gary Henderson and John Weidman
+
+
+  SH assembler code partly based on x86 assembler code
+  (c) Copyright 2002 - 2004 Marcus Comstedt (marcus@mc.pp.se) 
+
+ 
+  Specific ports contains the works of other authors. See headers in
+  individual files.
+ 
+  Snes9x homepage: http://www.snes9x.com
+ 
+  Permission to use, copy, modify and distribute Snes9x in both binary and
+  source form, for non-commercial purposes, is hereby granted without fee,
+  providing that this license information and copyright notice appear with
+  all copies and any derived work.
+ 
+  This software is provided 'as-is', without any express or implied
+  warranty. In no event shall the authors be held liable for any damages
+  arising from the use of this software.
+ 
+  Snes9x is freeware for PERSONAL USE only. Commercial users should
+  seek permission of the copyright holders first. Commercial use includes
+  charging money for Snes9x or software derived from Snes9x.
+ 
+  The copyright holders request that bug fixes and improvements to the code
+  should be forwarded to them so everyone can benefit from the modifications
+  in future versions.
+ 
+  Super NES and Super Nintendo Entertainment System are trademarks of
+  Nintendo Co., Limited and its subsidiary companies.
+*******************************************************************************/
+#ifndef _SPC700_H_
+#define _SPC700_H_
+
+#ifdef SPCTOOL
+#define NO_CHANNEL_STRUCT
+#include "spctool/dsp.h"
+#include "spctool/spc700.h"
+#include "spctool/soundmod.h"
+#endif
+
+#define Carry       1
+#define Zero        2
+#define Interrupt   4
+#define HalfCarry   8
+#define BreakFlag  16
+#define DirectPageFlag 32
+#define Overflow   64
+#define Negative  128
+
+#define APUClearCarry() (IAPU._Carry = 0)
+#define APUSetCarry() (IAPU._Carry = 1)
+#define APUSetInterrupt() (APURegisters.P |= Interrupt)
+#define APUClearInterrupt() (APURegisters.P &= ~Interrupt)
+#define APUSetHalfCarry() (APURegisters.P |= HalfCarry)
+#define APUClearHalfCarry() (APURegisters.P &= ~HalfCarry)
+#define APUSetBreak() (APURegisters.P |= BreakFlag)
+#define APUClearBreak() (APURegisters.P &= ~BreakFlag)
+#define APUSetDirectPage() (APURegisters.P |= DirectPageFlag)
+#define APUClearDirectPage() (APURegisters.P &= ~DirectPageFlag)
+#define APUSetOverflow() (IAPU._Overflow = 1)
+#define APUClearOverflow() (IAPU._Overflow = 0)
+
+#define APUCheckZero() (IAPU._Zero == 0)
+#define APUCheckCarry() (IAPU._Carry)
+#define APUCheckInterrupt() (APURegisters.P & Interrupt)
+#define APUCheckHalfCarry() (APURegisters.P & HalfCarry)
+#define APUCheckBreak() (APURegisters.P & BreakFlag)
+#define APUCheckDirectPage() (APURegisters.P & DirectPageFlag)
+#define APUCheckOverflow() (IAPU._Overflow)
+#define APUCheckNegative() (IAPU._Zero & 0x80)
+
+#define APUClearFlags(f) (APURegisters.P &= ~(f))
+#define APUSetFlags(f)   (APURegisters.P |=  (f))
+#define APUCheckFlag(f)  (APURegisters.P &   (f))
+
+typedef union
+{
+#ifdef LSB_FIRST
+    struct { uint8 A, Y; } B;
+#else
+    struct { uint8 Y, A; } B;
+#endif
+    uint16 W;
+} YAndA;
+
+struct SAPURegisters{
+    uint8  P;
+    YAndA YA;
+    uint8  X;
+    uint8  S;
+    uint16  PC;
+};
+
+EXTERN_C struct SAPURegisters APURegisters;
+
+// Needed by ILLUSION OF GAIA
+//#define ONE_APU_CYCLE 14
+#define ONE_APU_CYCLE 21
+
+// Needed by all games written by the software company called Human
+//#define ONE_APU_CYCLE_HUMAN 17
+#define ONE_APU_CYCLE_HUMAN 21
+
+// 1.953us := 1.024065.54MHz
+
+#ifdef SPCTOOL
+EXTERN_C int32 ESPC (int32);
+
+#define APU_EXECUTE() \
+{ \
+    int32 l = (CPU.Cycles - APU.Cycles) / 14; \
+    if (l > 0) \
+    { \
+        l -= _EmuSPC(l); \
+        APU.Cycles += l * 14; \
+    } \
+}
+
+#else
+
+#ifdef DEBUGGER
+#define APU_EXECUTE1() \
+{ \
+    if (APU.Flags & TRACE_FLAG) \
+	S9xTraceAPU ();\
+    APU.Cycles += S9xAPUCycles [*IAPU.PC]; \
+    (*S9xApuOpcodes[*IAPU.PC]) (); \
+}
+#else
+#define APU_EXECUTE1() \
+{ \
+    APU.Cycles += S9xAPUCycles [*IAPU.PC]; \
+    (*S9xApuOpcodes[*IAPU.PC]) (); \
+}
+#endif
+
+#define APU_EXECUTE() \
+if (IAPU.APUExecuting) \
+{\
+    while (APU.Cycles <= CPU.Cycles) \
+	APU_EXECUTE1(); \
+}
+#endif
+
+#endif
+