From a6dc7abc9b8cc3986eda5a84141da7dc9e4e8f1a Mon Sep 17 00:00:00 2001 From: aliaspider Date: Wed, 29 Oct 2014 05:36:07 +0100 Subject: start moving everything to C --- source/seta018.cpp | 254 ----------------------------------------------------- 1 file changed, 254 deletions(-) delete mode 100644 source/seta018.cpp (limited to 'source/seta018.cpp') diff --git a/source/seta018.cpp b/source/seta018.cpp deleted file mode 100644 index cafca06..0000000 --- a/source/seta018.cpp +++ /dev/null @@ -1,254 +0,0 @@ -/******************************************************************************* - 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 "seta.h" -#include "memmap.h" - -ST018_Regs ST018; - -static int line; // line counter - -extern "C"{ -uint8 S9xGetST018(uint32 Address) -{ - uint8 t = 0; // Initialise to some value for the compiler - uint16 address = (uint16) Address & 0xFFFF; - - line++; - - // these roles may be flipped - // op output - if (address == 0x3804) - { - if (ST018.out_count) - { - t = (uint8) ST018.output [ST018.out_index]; - ST018.out_index++; - if (ST018.out_count==ST018.out_index) - ST018.out_count=0; - } - else - t = 0x81; - } - // status register - else if (address == 0x3800) - t = ST018.status; - - printf( "ST018 R: %06X %02X\n", Address, t); - - return t; -} - -void S9xSetST018(uint8 Byte, uint32 Address) -{ - uint16 address = (uint16) Address&0xFFFF; - static bool reset = false; - - printf( "ST018 W: %06X %02X\n", Address, Byte ); - - line++; - - if (!reset) - { - // bootup values - ST018.waiting4command = true; - ST018.part_command = 0; - reset = true; - } - - Memory.SRAM[address]=Byte; - - // default status for now - ST018.status = 0x00; - - // op data goes through this address - if (address==0x3804) - { - // check for new commands: 3 bytes length - if(ST018.waiting4command && ST018.part_command==2) - { - ST018.waiting4command = false; - ST018.command <<= 8; - ST018.command |= Byte; - ST018.in_index = 0; - ST018.out_index = 0; - ST018.part_command = 0; // 3-byte commands - ST018.pass = 0; // data streams into the chip - switch(ST018.command & 0xFFFFFF) - { - case 0x0100: ST018.in_count = 0; break; - case 0xFF00: ST018.in_count = 0; break; - default: ST018.waiting4command = true; break; - } - } - else if(ST018.waiting4command) - { - // 3-byte commands - ST018.part_command++; - ST018.command <<= 8; - ST018.command |= Byte; - } - } - // extra parameters - else if (address==0x3802) - { - ST018.parameters[ST018.in_index] = Byte; - ST018.in_index++; - } - - if (ST018.in_count==ST018.in_index) - { - // Actually execute the command - ST018.waiting4command = true; - ST018.in_index = 0; - ST018.out_index = 0; - switch (ST018.command) - { - // hardware check? - case 0x0100: - ST018.waiting4command = false; - ST018.pass++; - if (ST018.pass==1) - { - ST018.in_count = 1; - ST018.out_count = 2; - - // Overload's research - ST018.output[0x00] = 0x81; - ST018.output[0x01] = 0x81; - } - else - { - //ST018.in_count = 1; - ST018.out_count = 3; - - // no reason to change this - //ST018.output[0x00] = 0x81; - //ST018.output[0x01] = 0x81; - ST018.output[0x02] = 0x81; - - // done processing requests - if (ST018.pass==3) - ST018.waiting4command = true; - } - break; - - // unknown: feels like a security detection - // format identical to 0x0100 - case 0xFF00: - ST018.waiting4command = false; - ST018.pass++; - if (ST018.pass==1) - { - ST018.in_count = 1; - ST018.out_count = 2; - - // Overload's research - ST018.output[0x00] = 0x81; - ST018.output[0x01] = 0x81; - } - else - { - //ST018.in_count = 1; - ST018.out_count = 3; - - // no reason to change this - //ST018.output[0x00] = 0x81; - //ST018.output[0x01] = 0x81; - ST018.output[0x02] = 0x81; - - // done processing requests - if (ST018.pass==3) - ST018.waiting4command = true; - } - break; - } - } -} -} - -- cgit v1.2.3