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snes9xgx/source/snes9x/apumem.h
dborth 785190f0b6 upgrade to snes9x 1.51
2008-09-10 05:57:37 +00:00

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/**********************************************************************************
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
(c) Copyright 1996 - 2002 Gary Henderson (gary.henderson@ntlworld.com),
Jerremy Koot (jkoot@snes9x.com)
(c) Copyright 2002 - 2004 Matthew Kendora
(c) Copyright 2002 - 2005 Peter Bortas (peter@bortas.org)
(c) Copyright 2004 - 2005 Joel Yliluoma (http://iki.fi/bisqwit/)
(c) Copyright 2001 - 2006 John Weidman (jweidman@slip.net)
(c) Copyright 2002 - 2006 funkyass (funkyass@spam.shaw.ca),
Kris Bleakley (codeviolation@hotmail.com)
(c) Copyright 2002 - 2007 Brad Jorsch (anomie@users.sourceforge.net),
Nach (n-a-c-h@users.sourceforge.net),
zones (kasumitokoduck@yahoo.com)
(c) Copyright 2006 - 2007 nitsuja
BS-X C emulator code
(c) Copyright 2005 - 2006 Dreamer Nom,
zones
C4 x86 assembler and some C emulation code
(c) Copyright 2000 - 2003 _Demo_ (_demo_@zsnes.com),
Nach,
zsKnight (zsknight@zsnes.com)
C4 C++ code
(c) Copyright 2003 - 2006 Brad Jorsch,
Nach
DSP-1 emulator code
(c) Copyright 1998 - 2006 _Demo_,
Andreas Naive (andreasnaive@gmail.com)
Gary Henderson,
Ivar (ivar@snes9x.com),
John Weidman,
Kris Bleakley,
Matthew Kendora,
Nach,
neviksti (neviksti@hotmail.com)
DSP-2 emulator code
(c) Copyright 2003 John Weidman,
Kris Bleakley,
Lord Nightmare (lord_nightmare@users.sourceforge.net),
Matthew Kendora,
neviksti
DSP-3 emulator code
(c) Copyright 2003 - 2006 John Weidman,
Kris Bleakley,
Lancer,
z80 gaiden
DSP-4 emulator code
(c) Copyright 2004 - 2006 Dreamer Nom,
John Weidman,
Kris Bleakley,
Nach,
z80 gaiden
OBC1 emulator code
(c) Copyright 2001 - 2004 zsKnight,
pagefault (pagefault@zsnes.com),
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,
Dark Force
S-DD1 C emulator code
(c) Copyright 2003 Brad Jorsch with research by
Andreas Naive,
John Weidman
S-RTC C emulator code
(c) Copyright 2001-2006 byuu,
John Weidman
ST010 C++ emulator code
(c) Copyright 2003 Feather,
John Weidman,
Kris Bleakley,
Matthew Kendora
Super FX x86 assembler emulator code
(c) Copyright 1998 - 2003 _Demo_,
pagefault,
zsKnight,
Super FX C emulator code
(c) Copyright 1997 - 1999 Ivar,
Gary Henderson,
John Weidman
Sound DSP emulator code is derived from SNEeSe and OpenSPC:
(c) Copyright 1998 - 2003 Brad Martin
(c) Copyright 1998 - 2006 Charles Bilyue'
SH assembler code partly based on x86 assembler code
(c) Copyright 2002 - 2004 Marcus Comstedt (marcus@mc.pp.se)
2xSaI filter
(c) Copyright 1999 - 2001 Derek Liauw Kie Fa
HQ2x, HQ3x, HQ4x filters
(c) Copyright 2003 Maxim Stepin (maxim@hiend3d.com)
Win32 GUI code
(c) Copyright 2003 - 2006 blip,
funkyass,
Matthew Kendora,
Nach,
nitsuja
Mac OS GUI code
(c) Copyright 1998 - 2001 John Stiles
(c) Copyright 2001 - 2007 zones
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/or 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 or it's derivatives.
Snes9x is freeware for PERSONAL USE only. Commercial users should
seek permission of the copyright holders first. Commercial use includes,
but is not limited to, charging money for Snes9x or software derived from
Snes9x, including Snes9x or derivatives in commercial game bundles, and/or
using Snes9x as a promotion for your commercial product.
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 _apumemory_h_
#define _apumemory_h_
START_EXTERN_C
extern uint8 APUROM[64];
END_EXTERN_C
static INLINE uint8 apu_get_reg (uint8 Address)
{
switch (Address)
{
case 0xf0: // -w TEST
return 0;
case 0xf1: // -w CONTROL
return 0;
case 0xf2: // rw DSPADDR
return (IAPU.RAM[Address]);
case 0xf3: // rw DSPDATA
return (S9xGetAPUDSP());
case 0xf4: // r- CPUI0
case 0xf5: // r- CPUI1
case 0xf6: // r- CPUI2
case 0xf7: // r- CPUI3
#ifdef SPC700_SHUTDOWN
IAPU.WaitAddress2 = IAPU.WaitAddress1;
IAPU.WaitAddress1 = IAPU.PC;
#endif
return (IAPU.RAM[Address]);
case 0xf8: // rw - Normal RAM
case 0xf9: // rw - Normal RAM
return (IAPU.RAM[Address]);
case 0xfa: // -w T0TARGET
case 0xfb: // -w T1TARGET
case 0xfc: // -w T2TARGET
return 0;
case 0xfd: // r- T0OUT
case 0xfe: // r- T1OUT
case 0xff: // r- T2OUT
#ifdef SPC700_SHUTDOWN
IAPU.WaitAddress2 = IAPU.WaitAddress1;
IAPU.WaitAddress1 = IAPU.PC;
#endif
uint8 t = IAPU.RAM[Address] & 0xF;
IAPU.RAM[Address] = 0;
return (t);
}
return 0;
}
static INLINE void apu_set_reg (uint8 byte, uint8 Address)
{
switch (Address)
{
case 0xf0: // -w TEST
//printf("Write %02X to APU 0xF0!\n", byte);
return;
case 0xf1: // -w CONTROL
S9xSetAPUControl(byte);
return;
case 0xf2: // rw DSPADDR
IAPU.RAM[Address] = byte;
return;
case 0xf3: // rw DSPDATA
S9xSetAPUDSP(byte);
return;
case 0xf4: // -w CPUO0
case 0xf5: // -w CPUO1
case 0xf6: // -w CPUO2
case 0xf7: // -w CPUO3
APU.OutPorts[Address - 0xf4] = byte;
return;
case 0xf8: // rw - Normal RAM
case 0xf9: // rw - Normal RAM
IAPU.RAM[Address] = byte;
return;
case 0xfa: // -w T0TARGET
case 0xfb: // -w T1TARGET
case 0xfc: // -w T2TARGET
IAPU.RAM[Address] = byte;
if (byte == 0)
APU.TimerTarget[Address - 0xfa] = 0x100;
else
APU.TimerTarget[Address - 0xfa] = byte;
return;
case 0xfd: // r- T0OUT
case 0xfe: // r- T1OUT
case 0xff: // r- T2OUT
return;
}
}
INLINE uint8 S9xAPUGetByteZ (uint8 Address)
{
if (Address >= 0xf0 && IAPU.DirectPage == IAPU.RAM)
return (apu_get_reg(Address));
else
return (IAPU.DirectPage[Address]);
}
INLINE void S9xAPUSetByteZ (uint8 byte, uint8 Address)
{
if (Address >= 0xf0 && IAPU.DirectPage == IAPU.RAM)
apu_set_reg(byte, Address);
else
IAPU.DirectPage[Address] = byte;
}
INLINE uint8 S9xAPUGetByte (uint32 Address)
{
Address &= 0xffff;
if (Address <= 0xff && Address >= 0xf0)
return (apu_get_reg(Address & 0xff));
else
return (IAPU.RAM[Address]);
}
INLINE void S9xAPUSetByte (uint8 byte, uint32 Address)
{
Address &= 0xffff;
if (Address <= 0xff && Address >= 0xf0)
apu_set_reg(byte, Address & 0xff);
else
if (Address < 0xffc0)
IAPU.RAM[Address] = byte;
else
{
APU.ExtraRAM[Address - 0xffc0] = byte;
if (!APU.ShowROM)
IAPU.RAM[Address] = byte;
}
}
#endif // _apumemory_h_
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