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authoraliaspider2015-11-09 19:55:28 +0100
committeraliaspider2015-11-09 19:55:28 +0100
commit7a7857f47b33f1b63fb585d2dc6c60d87c3e928f (patch)
treea4c271ae26c4b5ec9566f37062168e6d2c8c1bbc /src/seta011.cpp
parent5339c79ebd36afa759541d0c2fbdadac6dd26ed2 (diff)
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C++ --> C99
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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.
-*******************************************************************************/
-#include <stdio.h>
-#include "port.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;
- }
- }
-}
-