start moving everything to C

1 files changed, 232 insertions, 0 deletions

diff --git a/source/seta011.c b/source/seta011.c
new file mode 100644
index 0000000..b8fd213
--- /dev/null
+++ b/source/seta011.c
@@ -0,0 +1,232 @@
+/*******************************************************************************
+  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.
+*******************************************************************************/
+#include <stdio.h>
+#include "seta.h"
+#include "memmap.h"
+
+ST011_Regs ST011;
+
+// shougi playboard
+uint8 board[9][9];
+
+// debug
+static int line = 0;
+
+uint8 S9xGetST011(uint32 Address)
+{
+	uint8 t;
+	uint16 address = (uint16) Address & 0xFFFF;
+
+	// line counter
+	line++;
+
+	// status check
+	if (address == 0x01)
+	{
+		t = 0xFF;
+	}
+	// read directly from s-ram
+	else
+	{
+		t = Memory.SRAM[address];
+	}
+	
+	// debug
+//	if(address<0x150)
+//		printf( "ST011 R: %06X %02X\n", Address, t);
+
+	return t;
+}
+
+void S9xSetST011(uint32 Address, uint8 Byte)
+{
+	uint16 address = (uint16) Address & 0xFFFF;
+	static bool reset = false;
+
+	// debug
+	line++;
+
+	if(!reset)
+	{
+		// bootup values
+		ST011.waiting4command = true;
+		reset = true;
+	}
+
+	// debug
+//	if(address<0x150)
+//		printf( "ST011 W: %06X %02X\n", Address, Byte );
+
+	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;
+		}
+	}
+}
+