mirror of https://github.com/snes9xgit/snes9x.git
310 lines
8.6 KiB
C++
310 lines
8.6 KiB
C++
/***********************************************************************************
|
|
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 - 2010 Brad Jorsch (anomie@users.sourceforge.net),
|
|
Nach (n-a-c-h@users.sourceforge.net),
|
|
zones (kasumitokoduck@yahoo.com)
|
|
|
|
(c) Copyright 2006 - 2007 nitsuja
|
|
|
|
(c) Copyright 2009 - 2010 BearOso,
|
|
OV2
|
|
|
|
|
|
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 used in 1.39-1.51
|
|
(c) Copyright 2002 Matthew Kendora with research by
|
|
zsKnight,
|
|
John Weidman,
|
|
Dark Force
|
|
|
|
SPC7110 and RTC C++ emulator code used in 1.52+
|
|
(c) Copyright 2009 byuu,
|
|
neviksti
|
|
|
|
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 emulator code used in 1.5-1.51
|
|
(c) Copyright 1998 - 2003 Brad Martin
|
|
(c) Copyright 1998 - 2006 Charles Bilyue'
|
|
|
|
Sound emulator code used in 1.52+
|
|
(c) Copyright 2004 - 2007 Shay Green (gblargg@gmail.com)
|
|
|
|
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)
|
|
|
|
NTSC filter
|
|
(c) Copyright 2006 - 2007 Shay Green
|
|
|
|
GTK+ GUI code
|
|
(c) Copyright 2004 - 2010 BearOso
|
|
|
|
Win32 GUI code
|
|
(c) Copyright 2003 - 2006 blip,
|
|
funkyass,
|
|
Matthew Kendora,
|
|
Nach,
|
|
nitsuja
|
|
(c) Copyright 2009 - 2010 OV2
|
|
|
|
Mac OS GUI code
|
|
(c) Copyright 1998 - 2001 John Stiles
|
|
(c) Copyright 2001 - 2010 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.
|
|
***********************************************************************************/
|
|
|
|
|
|
#include "snes9x.h"
|
|
#include "memmap.h"
|
|
#include "seta.h"
|
|
|
|
static uint8 board[9][9]; // shougi playboard
|
|
static int line = 0; // line counter
|
|
|
|
|
|
uint8 S9xGetST011 (uint32 Address)
|
|
{
|
|
uint8 t;
|
|
uint16 address = (uint16) Address & 0xFFFF;
|
|
|
|
line++;
|
|
|
|
// status check
|
|
if (address == 0x01)
|
|
t = 0xFF;
|
|
else
|
|
t = Memory.SRAM[address]; // read directly from s-ram
|
|
|
|
#ifdef DEBUGGER
|
|
if (address < 0x150)
|
|
printf("ST011 R: %06X %02X\n", Address, t);
|
|
#endif
|
|
|
|
return (t);
|
|
}
|
|
|
|
void S9xSetST011 (uint32 Address, uint8 Byte)
|
|
{
|
|
static bool reset = false;
|
|
uint16 address = (uint16) Address & 0xFFFF;
|
|
|
|
line++;
|
|
|
|
if (!reset)
|
|
{
|
|
// bootup values
|
|
ST011.waiting4command = true;
|
|
reset = true;
|
|
}
|
|
|
|
#ifdef DEBUGGER
|
|
if (address < 0x150)
|
|
printf("ST011 W: %06X %02X\n", Address, Byte);
|
|
#endif
|
|
|
|
Memory.SRAM[address] = Byte;
|
|
|
|
// op commands/data goes through this address
|
|
if (address == 0x00)
|
|
{
|
|
// check for new commands
|
|
if (ST011.waiting4command)
|
|
{
|
|
ST011.waiting4command = false;
|
|
ST011.command = Byte;
|
|
ST011.in_index = 0;
|
|
ST011.out_index = 0;
|
|
|
|
switch (ST011.command)
|
|
{
|
|
case 0x01: ST011.in_count = 12 * 10 + 8; break;
|
|
case 0x02: ST011.in_count = 4; break;
|
|
case 0x04: ST011.in_count = 0; break;
|
|
case 0x05: ST011.in_count = 0; break;
|
|
case 0x06: ST011.in_count = 0; break;
|
|
case 0x07: ST011.in_count = 0; break;
|
|
case 0x0E: ST011.in_count = 0; break;
|
|
default: ST011.waiting4command = true; break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ST011.parameters[ST011.in_index] = Byte;
|
|
ST011.in_index++;
|
|
}
|
|
}
|
|
|
|
if (ST011.in_count == ST011.in_index)
|
|
{
|
|
// actually execute the command
|
|
ST011.waiting4command = true;
|
|
ST011.out_index = 0;
|
|
|
|
switch (ST011.command)
|
|
{
|
|
// unknown: download playboard
|
|
case 0x01:
|
|
// 9x9 board data: top to bottom, left to right
|
|
// Values represent piece types and ownership
|
|
for (int lcv = 0; lcv < 9; lcv++)
|
|
memcpy(board[lcv], ST011.parameters + lcv * 10, 9 * 1);
|
|
break;
|
|
|
|
// unknown
|
|
case 0x02:
|
|
break;
|
|
|
|
// unknown
|
|
case 0x04:
|
|
// outputs
|
|
Memory.SRAM[0x12C] = 0x00;
|
|
//Memory.SRAM[0x12D] = 0x00;
|
|
Memory.SRAM[0x12E] = 0x00;
|
|
break;
|
|
|
|
// unknown
|
|
case 0x05:
|
|
// outputs
|
|
Memory.SRAM[0x12C] = 0x00;
|
|
//Memory.SRAM[0x12D] = 0x00;
|
|
Memory.SRAM[0x12E] = 0x00;
|
|
break;
|
|
|
|
// unknown
|
|
case 0x06:
|
|
break;
|
|
|
|
case 0x07:
|
|
break;
|
|
|
|
// unknown
|
|
case 0x0E:
|
|
// outputs
|
|
Memory.SRAM[0x12C] = 0x00;
|
|
Memory.SRAM[0x12D] = 0x00;
|
|
break;
|
|
}
|
|
}
|
|
}
|