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/cpu.cpp | 239 --------------------------------------------------------- 1 file changed, 239 deletions(-) delete mode 100644 source/cpu.cpp (limited to 'source/cpu.cpp') diff --git a/source/cpu.cpp b/source/cpu.cpp deleted file mode 100644 index 2f9b4ae..0000000 --- a/source/cpu.cpp +++ /dev/null @@ -1,239 +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 "snes9x.h" -#include "memmap.h" -#include "ppu.h" -#include "dsp1.h" -#include "cpuexec.h" -#include "apu.h" -#include "dma.h" -#include "sa1.h" -#include "cheats.h" -#include "srtc.h" -#include "sdd1.h" -#include "spc7110.h" -#include "obc1.h" - - -#ifndef ZSNES_FX -#include "fxemu.h" - -extern struct FxInit_s SuperFX; - -void S9xResetSuperFX () -{ - SuperFX.vFlags = 0; //FX_FLAG_ROM_BUFFER;// | FX_FLAG_ADDRESS_CHECKING; - FxReset (&SuperFX); -} -#endif - -void S9xResetCPU () -{ - ICPU.Registers.PB = 0; - ICPU.Registers.PC = S9xGetWord (0xFFFC); - ICPU.Registers.D.W = 0; - ICPU.Registers.DB = 0; - ICPU.Registers.SH = 1; - ICPU.Registers.SL = 0xFF; - ICPU.Registers.XH = 0; - ICPU.Registers.YH = 0; - ICPU.Registers.P.W = 0; - - ICPU.ShiftedPB = 0; - ICPU.ShiftedDB = 0; - SetFlags (MemoryFlag | IndexFlag | IRQ | Emulation); - ClearFlags (Decimal); - - CPU.Flags = CPU.Flags & (DEBUG_MODE_FLAG | TRACE_FLAG); - CPU.BranchSkip = FALSE; - CPU.NMIActive = FALSE; - CPU.IRQActive = FALSE; - CPU.WaitingForInterrupt = FALSE; - CPU.InDMA = FALSE; - CPU.WhichEvent = HBLANK_START_EVENT; - CPU.PC = NULL; - CPU.PCBase = NULL; - CPU.PCAtOpcodeStart = NULL; - CPU.WaitAddress = NULL; - CPU.WaitCounter = 0; - CPU.Cycles = 0; - CPU.NextEvent = Settings.HBlankStart; - CPU.V_Counter = 0; - CPU.MemSpeed = SLOW_ONE_CYCLE; - CPU.MemSpeedx2 = SLOW_ONE_CYCLE * 2; - CPU.FastROMSpeed = SLOW_ONE_CYCLE; - CPU.AutoSaveTimer = 0; - CPU.SRAMModified = FALSE; - // CPU.NMITriggerPoint = 4; // Set when ROM image loaded - CPU.BRKTriggered = FALSE; - //CPU.TriedInterleavedMode2 = FALSE; // Reset when ROM image loaded - CPU.NMICycleCount = 0; - CPU.IRQCycleCount = 0; - S9xSetPCBase (ICPU.Registers.PC); - - ICPU.S9xOpcodes = S9xOpcodesE1; - ICPU.CPUExecuting = TRUE; - - S9xUnpackStatus(); -} - -#ifdef ZSNES_FX -START_EXTERN_C -void S9xResetSuperFX (); -bool8 WinterGold = 0; -extern uint8 *C4Ram; -END_EXTERN_C -#endif - -void S9xReset (void) -{ - if (Settings.SuperFX) - S9xResetSuperFX (); - -#ifdef ZSNES_FX - WinterGold = Settings.WinterGold; -#endif - ZeroMemory (Memory.FillRAM, 0x8000); - memset (Memory.VRAM, 0x00, 0x10000); - memset (Memory.RAM, 0x55, 0x20000); - - if(Settings.SPC7110) - S9xSpc7110Reset(); - S9xResetCPU (); - S9xResetPPU (); - S9xResetSRTC (); - if (Settings.SDD1) - S9xResetSDD1 (); - - S9xResetDMA (); - S9xResetAPU (); - S9xResetDSP1 (); - S9xSA1Init (); - if (Settings.C4) - S9xInitC4 (); - S9xInitCheatData (); - if(Settings.OBC1) - ResetOBC1(); - -// Settings.Paused = FALSE; -} -void S9xSoftReset (void) -{ - if (Settings.SuperFX) - S9xResetSuperFX (); - -#ifdef ZSNES_FX - WinterGold = Settings.WinterGold; -#endif - ZeroMemory (Memory.FillRAM, 0x8000); - memset (Memory.VRAM, 0x00, 0x10000); - // memset (Memory.RAM, 0x55, 0x20000); - - if(Settings.SPC7110) - S9xSpc7110Reset(); - S9xResetCPU (); - S9xSoftResetPPU (); - S9xResetSRTC (); - if (Settings.SDD1) - S9xResetSDD1 (); - - S9xResetDMA (); - S9xResetAPU (); - S9xResetDSP1 (); - if(Settings.OBC1) - ResetOBC1(); - S9xSA1Init (); - if (Settings.C4) - S9xInitC4 (); - S9xInitCheatData (); - -// Settings.Paused = FALSE; -} - -- cgit v1.2.3