mirror of https://github.com/snes9xgit/snes9x.git
4438 lines
71 KiB
C++
4438 lines
71 KiB
C++
/***********************************************************************************
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Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
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(c) Copyright 1996 - 2002 Gary Henderson (gary.henderson@ntlworld.com),
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Jerremy Koot (jkoot@snes9x.com)
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(c) Copyright 2002 - 2004 Matthew Kendora
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(c) Copyright 2002 - 2005 Peter Bortas (peter@bortas.org)
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(c) Copyright 2004 - 2005 Joel Yliluoma (http://iki.fi/bisqwit/)
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(c) Copyright 2001 - 2006 John Weidman (jweidman@slip.net)
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(c) Copyright 2002 - 2006 funkyass (funkyass@spam.shaw.ca),
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Kris Bleakley (codeviolation@hotmail.com)
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(c) Copyright 2002 - 2010 Brad Jorsch (anomie@users.sourceforge.net),
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Nach (n-a-c-h@users.sourceforge.net),
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(c) Copyright 2002 - 2011 zones (kasumitokoduck@yahoo.com)
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(c) Copyright 2006 - 2007 nitsuja
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(c) Copyright 2009 - 2016 BearOso,
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OV2
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(c) Copyright 2011 - 2016 Hans-Kristian Arntzen,
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Daniel De Matteis
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(Under no circumstances will commercial rights be given)
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BS-X C emulator code
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(c) Copyright 2005 - 2006 Dreamer Nom,
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zones
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C4 x86 assembler and some C emulation code
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(c) Copyright 2000 - 2003 _Demo_ (_demo_@zsnes.com),
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Nach,
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zsKnight (zsknight@zsnes.com)
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C4 C++ code
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(c) Copyright 2003 - 2006 Brad Jorsch,
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Nach
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DSP-1 emulator code
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(c) Copyright 1998 - 2006 _Demo_,
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Andreas Naive (andreasnaive@gmail.com),
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Gary Henderson,
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Ivar (ivar@snes9x.com),
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John Weidman,
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Kris Bleakley,
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Matthew Kendora,
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Nach,
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neviksti (neviksti@hotmail.com)
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DSP-2 emulator code
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(c) Copyright 2003 John Weidman,
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Kris Bleakley,
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Lord Nightmare (lord_nightmare@users.sourceforge.net),
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Matthew Kendora,
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neviksti
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DSP-3 emulator code
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(c) Copyright 2003 - 2006 John Weidman,
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Kris Bleakley,
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Lancer,
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z80 gaiden
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DSP-4 emulator code
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(c) Copyright 2004 - 2006 Dreamer Nom,
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John Weidman,
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Kris Bleakley,
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Nach,
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z80 gaiden
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OBC1 emulator code
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(c) Copyright 2001 - 2004 zsKnight,
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pagefault (pagefault@zsnes.com),
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Kris Bleakley
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Ported from x86 assembler to C by sanmaiwashi
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SPC7110 and RTC C++ emulator code used in 1.39-1.51
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(c) Copyright 2002 Matthew Kendora with research by
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zsKnight,
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John Weidman,
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Dark Force
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SPC7110 and RTC C++ emulator code used in 1.52+
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(c) Copyright 2009 byuu,
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neviksti
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S-DD1 C emulator code
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(c) Copyright 2003 Brad Jorsch with research by
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Andreas Naive,
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John Weidman
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S-RTC C emulator code
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(c) Copyright 2001 - 2006 byuu,
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John Weidman
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ST010 C++ emulator code
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(c) Copyright 2003 Feather,
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John Weidman,
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Kris Bleakley,
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Matthew Kendora
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Super FX x86 assembler emulator code
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(c) Copyright 1998 - 2003 _Demo_,
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pagefault,
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zsKnight
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Super FX C emulator code
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(c) Copyright 1997 - 1999 Ivar,
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Gary Henderson,
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John Weidman
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Sound emulator code used in 1.5-1.51
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(c) Copyright 1998 - 2003 Brad Martin
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(c) Copyright 1998 - 2006 Charles Bilyue'
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Sound emulator code used in 1.52+
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(c) Copyright 2004 - 2007 Shay Green (gblargg@gmail.com)
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S-SMP emulator code used in 1.54+
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(c) Copyright 2016 byuu
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SH assembler code partly based on x86 assembler code
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(c) Copyright 2002 - 2004 Marcus Comstedt (marcus@mc.pp.se)
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2xSaI filter
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(c) Copyright 1999 - 2001 Derek Liauw Kie Fa
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HQ2x, HQ3x, HQ4x filters
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(c) Copyright 2003 Maxim Stepin (maxim@hiend3d.com)
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NTSC filter
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(c) Copyright 2006 - 2007 Shay Green
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GTK+ GUI code
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(c) Copyright 2004 - 2016 BearOso
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Win32 GUI code
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(c) Copyright 2003 - 2006 blip,
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funkyass,
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Matthew Kendora,
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Nach,
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nitsuja
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(c) Copyright 2009 - 2016 OV2
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Mac OS GUI code
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(c) Copyright 1998 - 2001 John Stiles
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(c) Copyright 2001 - 2011 zones
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Libretro port
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(c) Copyright 2011 - 2016 Hans-Kristian Arntzen,
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Daniel De Matteis
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(Under no circumstances will commercial rights be given)
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Specific ports contains the works of other authors. See headers in
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individual files.
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Snes9x homepage: http://www.snes9x.com/
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Permission to use, copy, modify and/or distribute Snes9x in both binary
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and source form, for non-commercial purposes, is hereby granted without
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fee, providing that this license information and copyright notice appear
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with all copies and any derived work.
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This software is provided 'as-is', without any express or implied
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warranty. In no event shall the authors be held liable for any damages
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arising from the use of this software or it's derivatives.
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Snes9x is freeware for PERSONAL USE only. Commercial users should
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seek permission of the copyright holders first. Commercial use includes,
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but is not limited to, charging money for Snes9x or software derived from
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Snes9x, including Snes9x or derivatives in commercial game bundles, and/or
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using Snes9x as a promotion for your commercial product.
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The copyright holders request that bug fixes and improvements to the code
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should be forwarded to them so everyone can benefit from the modifications
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in future versions.
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Super NES and Super Nintendo Entertainment System are trademarks of
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Nintendo Co., Limited and its subsidiary companies.
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***********************************************************************************/
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#include "snes9x.h"
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#include "fxinst.h"
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#include "fxemu.h"
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// Set this define if you wish the plot instruction to check for y-pos limits (I don't think it's nessecary)
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#define CHECK_LIMITS
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/*
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Codes used:
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rn = a GSU register (r0 - r15)
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#n = 4 bit immediate value
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#pp = 8 bit immediate value
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(yy) = 8 bit word address (0x0000 - 0x01fe)
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#xx = 16 bit immediate value
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(xx) = 16 bit address (0x0000 - 0xffff)
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*/
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// 00 - stop - stop GSU execution (and maybe generate an IRQ)
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static void fx_stop (void)
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{
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CF(G);
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GSU.vCounter = 0;
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GSU.vInstCount = GSU.vCounter;
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// Check if we need to generate an IRQ
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if (!(GSU.pvRegisters[GSU_CFGR] & 0x80))
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SF(IRQ);
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GSU.vPlotOptionReg = 0;
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GSU.vPipe = 1;
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CLRFLAGS;
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R15++;
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}
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// 01 - nop - no operation
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static void fx_nop (void)
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{
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CLRFLAGS;
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R15++;
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}
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// 02 - cache - reintialize GSU cache
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static void fx_cache (void)
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{
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uint32 c = R15 & 0xfff0;
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if (GSU.vCacheBaseReg != c || !GSU.bCacheActive)
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{
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fx_flushCache();
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GSU.vCacheBaseReg = c;
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GSU.bCacheActive = TRUE;
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#if 0
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if (c < (0x10000 - 512))
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{
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const uint8 *t = &ROM(c);
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memcpy(GSU.pvCache, t, 512);
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}
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else
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{
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const uint8 *t1, t2;
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uint32 i = 0x10000 - c;
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t1 = &ROM(c);
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t2 = &ROM(0);
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memcpy(GSU.pvCache, t1, i);
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memcpy(&GSU.pvCache[i], t2, 512 - i);
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}
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#endif
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}
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CLRFLAGS;
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R15++;
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}
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// 03 - lsr - logic shift right
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static void fx_lsr (void)
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{
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uint32 v;
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GSU.vCarry = SREG & 1;
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v = USEX16(SREG) >> 1;
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R15++;
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DREG = v;
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GSU.vSign = v;
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GSU.vZero = v;
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TESTR14;
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CLRFLAGS;
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}
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// 04 - rol - rotate left
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static void fx_rol (void)
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{
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uint32 v = USEX16((SREG << 1) + GSU.vCarry);
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GSU.vCarry = (SREG >> 15) & 1;
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R15++;
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DREG = v;
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GSU.vSign = v;
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GSU.vZero = v;
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TESTR14;
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CLRFLAGS;
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}
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// 05 - bra - branch always
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static void fx_bra (void)
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{
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uint8 v = PIPE;
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R15++;
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FETCHPIPE;
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R15 += SEX8(v);
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}
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// Branch on condition
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#define BRA_COND(cond) \
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uint8 v = PIPE; \
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R15++; \
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FETCHPIPE; \
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if (cond) \
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R15 += SEX8(v); \
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else \
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R15++
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#define TEST_S (GSU.vSign & 0x8000)
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#define TEST_Z (USEX16(GSU.vZero) == 0)
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#define TEST_OV (GSU.vOverflow >= 0x8000 || GSU.vOverflow < -0x8000)
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#define TEST_CY (GSU.vCarry & 1)
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// 06 - blt - branch on less than
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static void fx_blt (void)
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{
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BRA_COND((TEST_S != 0) != (TEST_OV != 0));
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}
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// 07 - bge - branch on greater or equals
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static void fx_bge (void)
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{
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BRA_COND((TEST_S != 0) == (TEST_OV != 0));
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}
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// 08 - bne - branch on not equal
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static void fx_bne (void)
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{
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BRA_COND(!TEST_Z);
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}
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// 09 - beq - branch on equal
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static void fx_beq (void)
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{
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BRA_COND(TEST_Z);
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}
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// 0a - bpl - branch on plus
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static void fx_bpl (void)
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{
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BRA_COND(!TEST_S);
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}
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// 0b - bmi - branch on minus
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static void fx_bmi (void)
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{
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BRA_COND(TEST_S);
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}
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// 0c - bcc - branch on carry clear
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static void fx_bcc (void)
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{
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BRA_COND(!TEST_CY);
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}
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// 0d - bcs - branch on carry set
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static void fx_bcs (void)
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{
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BRA_COND(TEST_CY);
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}
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// 0e - bvc - branch on overflow clear
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static void fx_bvc (void)
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{
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BRA_COND(!TEST_OV);
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}
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// 0f - bvs - branch on overflow set
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static void fx_bvs (void)
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{
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BRA_COND(TEST_OV);
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}
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// 10-1f - to rn - set register n as destination register
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// 10-1f (B) - move rn - move one register to another (if B flag is set)
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#define FX_TO(reg) \
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if (TF(B)) \
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{ \
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GSU.avReg[(reg)] = SREG; \
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CLRFLAGS; \
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} \
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else \
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GSU.pvDreg = &GSU.avReg[reg]; \
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R15++
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#define FX_TO_R14(reg) \
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if (TF(B)) \
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{ \
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GSU.avReg[(reg)] = SREG; \
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CLRFLAGS; \
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READR14; \
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} \
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else \
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GSU.pvDreg = &GSU.avReg[reg]; \
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R15++
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#define FX_TO_R15(reg) \
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if (TF(B)) \
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{ \
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GSU.avReg[(reg)] = SREG; \
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CLRFLAGS; \
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} \
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else \
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{ \
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GSU.pvDreg = &GSU.avReg[reg]; \
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R15++; \
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}
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static void fx_to_r0 (void)
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{
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FX_TO(0);
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}
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static void fx_to_r1 (void)
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{
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FX_TO(1);
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}
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static void fx_to_r2 (void)
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{
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FX_TO(2);
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}
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static void fx_to_r3 (void)
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{
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FX_TO(3);
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}
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static void fx_to_r4 (void)
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{
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FX_TO(4);
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}
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static void fx_to_r5 (void)
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{
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FX_TO(5);
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}
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static void fx_to_r6 (void)
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{
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FX_TO(6);
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}
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static void fx_to_r7 (void)
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{
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FX_TO(7);
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}
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static void fx_to_r8 (void)
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{
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FX_TO(8);
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}
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static void fx_to_r9 (void)
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{
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FX_TO(9);
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}
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static void fx_to_r10 (void)
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{
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FX_TO(10);
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}
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static void fx_to_r11 (void)
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{
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FX_TO(11);
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}
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static void fx_to_r12 (void)
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{
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FX_TO(12);
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}
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static void fx_to_r13 (void)
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{
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FX_TO(13);
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}
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static void fx_to_r14 (void)
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{
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FX_TO_R14(14);
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}
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static void fx_to_r15 (void)
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{
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FX_TO_R15(15);
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}
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// 20-2f - to rn - set register n as source and destination register
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#define FX_WITH(reg) \
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SF(B); \
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GSU.pvSreg = GSU.pvDreg = &GSU.avReg[reg]; \
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R15++
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static void fx_with_r0 (void)
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{
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FX_WITH(0);
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}
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static void fx_with_r1 (void)
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{
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FX_WITH(1);
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}
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static void fx_with_r2 (void)
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{
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FX_WITH(2);
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}
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static void fx_with_r3 (void)
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{
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FX_WITH(3);
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}
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static void fx_with_r4 (void)
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{
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FX_WITH(4);
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}
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static void fx_with_r5 (void)
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{
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FX_WITH(5);
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}
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static void fx_with_r6 (void)
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{
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FX_WITH(6);
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}
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static void fx_with_r7 (void)
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{
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FX_WITH(7);
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}
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static void fx_with_r8 (void)
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{
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FX_WITH(8);
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}
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static void fx_with_r9 (void)
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{
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FX_WITH(9);
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}
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static void fx_with_r10 (void)
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{
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FX_WITH(10);
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}
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static void fx_with_r11 (void)
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{
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FX_WITH(11);
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}
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static void fx_with_r12 (void)
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{
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FX_WITH(12);
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}
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static void fx_with_r13 (void)
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{
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FX_WITH(13);
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}
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static void fx_with_r14 (void)
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{
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FX_WITH(14);
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}
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static void fx_with_r15 (void)
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{
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FX_WITH(15);
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}
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// 30-3b - stw (rn) - store word
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#define FX_STW(reg) \
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GSU.vLastRamAdr = GSU.avReg[reg]; \
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RAM(GSU.avReg[reg]) = (uint8) SREG; \
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RAM(GSU.avReg[reg] ^ 1) = (uint8) (SREG >> 8); \
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CLRFLAGS; \
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R15++
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static void fx_stw_r0 (void)
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{
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FX_STW(0);
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}
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static void fx_stw_r1 (void)
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{
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FX_STW(1);
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}
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|
|
static void fx_stw_r2 (void)
|
|
{
|
|
FX_STW(2);
|
|
}
|
|
|
|
static void fx_stw_r3 (void)
|
|
{
|
|
FX_STW(3);
|
|
}
|
|
|
|
static void fx_stw_r4 (void)
|
|
{
|
|
FX_STW(4);
|
|
}
|
|
|
|
static void fx_stw_r5 (void)
|
|
{
|
|
FX_STW(5);
|
|
}
|
|
|
|
static void fx_stw_r6 (void)
|
|
{
|
|
FX_STW(6);
|
|
}
|
|
|
|
static void fx_stw_r7 (void)
|
|
{
|
|
FX_STW(7);
|
|
}
|
|
|
|
static void fx_stw_r8 (void)
|
|
{
|
|
FX_STW(8);
|
|
}
|
|
|
|
static void fx_stw_r9 (void)
|
|
{
|
|
FX_STW(9);
|
|
}
|
|
|
|
static void fx_stw_r10 (void)
|
|
{
|
|
FX_STW(10);
|
|
}
|
|
|
|
static void fx_stw_r11 (void)
|
|
{
|
|
FX_STW(11);
|
|
}
|
|
|
|
// 30-3b (ALT1) - stb (rn) - store byte
|
|
#define FX_STB(reg) \
|
|
GSU.vLastRamAdr = GSU.avReg[reg]; \
|
|
RAM(GSU.avReg[reg]) = (uint8) SREG; \
|
|
CLRFLAGS; \
|
|
R15++
|
|
|
|
static void fx_stb_r0 (void)
|
|
{
|
|
FX_STB(0);
|
|
}
|
|
|
|
static void fx_stb_r1 (void)
|
|
{
|
|
FX_STB(1);
|
|
}
|
|
|
|
static void fx_stb_r2 (void)
|
|
{
|
|
FX_STB(2);
|
|
}
|
|
|
|
static void fx_stb_r3 (void)
|
|
{
|
|
FX_STB(3);
|
|
}
|
|
|
|
static void fx_stb_r4 (void)
|
|
{
|
|
FX_STB(4);
|
|
}
|
|
|
|
static void fx_stb_r5 (void)
|
|
{
|
|
FX_STB(5);
|
|
}
|
|
|
|
static void fx_stb_r6 (void)
|
|
{
|
|
FX_STB(6);
|
|
}
|
|
|
|
static void fx_stb_r7 (void)
|
|
{
|
|
FX_STB(7);
|
|
}
|
|
|
|
static void fx_stb_r8 (void)
|
|
{
|
|
FX_STB(8);
|
|
}
|
|
|
|
static void fx_stb_r9 (void)
|
|
{
|
|
FX_STB(9);
|
|
}
|
|
|
|
static void fx_stb_r10 (void)
|
|
{
|
|
FX_STB(10);
|
|
}
|
|
|
|
static void fx_stb_r11 (void)
|
|
{
|
|
FX_STB(11);
|
|
}
|
|
|
|
// 3c - loop - decrement loop counter, and branch on not zero
|
|
static void fx_loop (void)
|
|
{
|
|
GSU.vSign = GSU.vZero = --R12;
|
|
if ((uint16) R12 != 0)
|
|
R15 = R13;
|
|
else
|
|
R15++;
|
|
CLRFLAGS;
|
|
}
|
|
|
|
// 3d - alt1 - set alt1 mode
|
|
static void fx_alt1 (void)
|
|
{
|
|
SF(ALT1);
|
|
CF(B);
|
|
R15++;
|
|
}
|
|
|
|
// 3e - alt2 - set alt2 mode
|
|
static void fx_alt2 (void)
|
|
{
|
|
SF(ALT2);
|
|
CF(B);
|
|
R15++;
|
|
}
|
|
|
|
// 3f - alt3 - set alt3 mode
|
|
static void fx_alt3 (void)
|
|
{
|
|
SF(ALT1);
|
|
SF(ALT2);
|
|
CF(B);
|
|
R15++;
|
|
}
|
|
|
|
// 40-4b - ldw (rn) - load word from RAM
|
|
#define FX_LDW(reg) \
|
|
uint32 v; \
|
|
GSU.vLastRamAdr = GSU.avReg[reg]; \
|
|
v = (uint32) RAM(GSU.avReg[reg]); \
|
|
v |= ((uint32) RAM(GSU.avReg[reg] ^ 1)) << 8; \
|
|
R15++; \
|
|
DREG = v; \
|
|
TESTR14; \
|
|
CLRFLAGS
|
|
|
|
static void fx_ldw_r0 (void)
|
|
{
|
|
FX_LDW(0);
|
|
}
|
|
|
|
static void fx_ldw_r1 (void)
|
|
{
|
|
FX_LDW(1);
|
|
}
|
|
|
|
static void fx_ldw_r2 (void)
|
|
{
|
|
FX_LDW(2);
|
|
}
|
|
|
|
static void fx_ldw_r3 (void)
|
|
{
|
|
FX_LDW(3);
|
|
}
|
|
|
|
static void fx_ldw_r4 (void)
|
|
{
|
|
FX_LDW(4);
|
|
}
|
|
|
|
static void fx_ldw_r5 (void)
|
|
{
|
|
FX_LDW(5);
|
|
}
|
|
|
|
static void fx_ldw_r6 (void)
|
|
{
|
|
FX_LDW(6);
|
|
}
|
|
|
|
static void fx_ldw_r7 (void)
|
|
{
|
|
FX_LDW(7);
|
|
}
|
|
|
|
static void fx_ldw_r8 (void)
|
|
{
|
|
FX_LDW(8);
|
|
}
|
|
|
|
static void fx_ldw_r9 (void)
|
|
{
|
|
FX_LDW(9);
|
|
}
|
|
|
|
static void fx_ldw_r10 (void)
|
|
{
|
|
FX_LDW(10);
|
|
}
|
|
|
|
static void fx_ldw_r11 (void)
|
|
{
|
|
FX_LDW(11);
|
|
}
|
|
|
|
// 40-4b (ALT1) - ldb (rn) - load byte
|
|
#define FX_LDB(reg) \
|
|
uint32 v; \
|
|
GSU.vLastRamAdr = GSU.avReg[reg]; \
|
|
v = (uint32) RAM(GSU.avReg[reg]); \
|
|
R15++; \
|
|
DREG = v; \
|
|
TESTR14; \
|
|
CLRFLAGS
|
|
|
|
static void fx_ldb_r0 (void)
|
|
{
|
|
FX_LDB(0);
|
|
}
|
|
|
|
static void fx_ldb_r1 (void)
|
|
{
|
|
FX_LDB(1);
|
|
}
|
|
|
|
static void fx_ldb_r2 (void)
|
|
{
|
|
FX_LDB(2);
|
|
}
|
|
|
|
static void fx_ldb_r3 (void)
|
|
{
|
|
FX_LDB(3);
|
|
}
|
|
|
|
static void fx_ldb_r4 (void)
|
|
{
|
|
FX_LDB(4);
|
|
}
|
|
|
|
static void fx_ldb_r5 (void)
|
|
{
|
|
FX_LDB(5);
|
|
}
|
|
|
|
static void fx_ldb_r6 (void)
|
|
{
|
|
FX_LDB(6);
|
|
}
|
|
|
|
static void fx_ldb_r7 (void)
|
|
{
|
|
FX_LDB(7);
|
|
}
|
|
|
|
static void fx_ldb_r8 (void)
|
|
{
|
|
FX_LDB(8);
|
|
}
|
|
|
|
static void fx_ldb_r9 (void)
|
|
{
|
|
FX_LDB(9);
|
|
}
|
|
|
|
static void fx_ldb_r10 (void)
|
|
{
|
|
FX_LDB(10);
|
|
}
|
|
|
|
static void fx_ldb_r11 (void)
|
|
{
|
|
FX_LDB(11);
|
|
}
|
|
|
|
// 4c - plot - plot pixel with R1, R2 as x, y and the color register as the color
|
|
static void fx_plot_2bit (void)
|
|
{
|
|
uint32 x = USEX8(R1);
|
|
uint32 y = USEX8(R2);
|
|
uint8 *a;
|
|
uint8 v, c;
|
|
|
|
R15++;
|
|
CLRFLAGS;
|
|
R1++;
|
|
|
|
#ifdef CHECK_LIMITS
|
|
if (y >= GSU.vScreenHeight)
|
|
return;
|
|
#endif
|
|
|
|
if (GSU.vPlotOptionReg & 0x02)
|
|
c = ((x ^ y) & 1) ? (uint8) (GSU.vColorReg >> 4) : (uint8) GSU.vColorReg;
|
|
else
|
|
c = (uint8) GSU.vColorReg;
|
|
|
|
if (!(GSU.vPlotOptionReg & 0x01) && !(c & 0xf))
|
|
return;
|
|
|
|
a = GSU.apvScreen[y >> 3] + GSU.x[x >> 3] + ((y & 7) << 1);
|
|
v = 128 >> (x & 7);
|
|
|
|
if (c & 0x01)
|
|
a[0] |= v;
|
|
else
|
|
a[0] &= ~v;
|
|
|
|
if (c & 0x02)
|
|
a[1] |= v;
|
|
else
|
|
a[1] &= ~v;
|
|
}
|
|
|
|
// 4c (ALT1) - rpix - read color of the pixel with R1, R2 as x, y
|
|
static void fx_rpix_2bit (void)
|
|
{
|
|
uint32 x = USEX8(R1);
|
|
uint32 y = USEX8(R2);
|
|
uint8 *a;
|
|
uint8 v;
|
|
|
|
R15++;
|
|
CLRFLAGS;
|
|
|
|
#ifdef CHECK_LIMITS
|
|
if (y >= GSU.vScreenHeight)
|
|
return;
|
|
#endif
|
|
|
|
a = GSU.apvScreen[y >> 3] + GSU.x[x >> 3] + ((y & 7) << 1);
|
|
v = 128 >> (x & 7);
|
|
|
|
DREG = 0;
|
|
DREG |= ((uint32) ((a[0] & v) != 0)) << 0;
|
|
DREG |= ((uint32) ((a[1] & v) != 0)) << 1;
|
|
TESTR14;
|
|
}
|
|
|
|
// 4c - plot - plot pixel with R1, R2 as x, y and the color register as the color
|
|
static void fx_plot_4bit (void)
|
|
{
|
|
uint32 x = USEX8(R1);
|
|
uint32 y = USEX8(R2);
|
|
uint8 *a;
|
|
uint8 v, c;
|
|
|
|
R15++;
|
|
CLRFLAGS;
|
|
R1++;
|
|
|
|
#ifdef CHECK_LIMITS
|
|
if (y >= GSU.vScreenHeight)
|
|
return;
|
|
#endif
|
|
|
|
if (GSU.vPlotOptionReg & 0x02)
|
|
c = ((x ^ y) & 1) ? (uint8) (GSU.vColorReg >> 4) : (uint8) GSU.vColorReg;
|
|
else
|
|
c = (uint8) GSU.vColorReg;
|
|
|
|
if (!(GSU.vPlotOptionReg & 0x01) && !(c & 0xf))
|
|
return;
|
|
|
|
a = GSU.apvScreen[y >> 3] + GSU.x[x >> 3] + ((y & 7) << 1);
|
|
v = 128 >> (x & 7);
|
|
|
|
if (c & 0x01)
|
|
a[0x00] |= v;
|
|
else
|
|
a[0x00] &= ~v;
|
|
|
|
if (c & 0x02)
|
|
a[0x01] |= v;
|
|
else
|
|
a[0x01] &= ~v;
|
|
|
|
if (c & 0x04)
|
|
a[0x10] |= v;
|
|
else
|
|
a[0x10] &= ~v;
|
|
|
|
if (c & 0x08)
|
|
a[0x11] |= v;
|
|
else
|
|
a[0x11] &= ~v;
|
|
}
|
|
|
|
// 4c (ALT1) - rpix - read color of the pixel with R1, R2 as x, y
|
|
static void fx_rpix_4bit (void)
|
|
{
|
|
uint32 x = USEX8(R1);
|
|
uint32 y = USEX8(R2);
|
|
uint8 *a;
|
|
uint8 v;
|
|
|
|
R15++;
|
|
CLRFLAGS;
|
|
|
|
#ifdef CHECK_LIMITS
|
|
if (y >= GSU.vScreenHeight)
|
|
return;
|
|
#endif
|
|
|
|
a = GSU.apvScreen[y >> 3] + GSU.x[x >> 3] + ((y & 7) << 1);
|
|
v = 128 >> (x & 7);
|
|
|
|
DREG = 0;
|
|
DREG |= ((uint32) ((a[0x00] & v) != 0)) << 0;
|
|
DREG |= ((uint32) ((a[0x01] & v) != 0)) << 1;
|
|
DREG |= ((uint32) ((a[0x10] & v) != 0)) << 2;
|
|
DREG |= ((uint32) ((a[0x11] & v) != 0)) << 3;
|
|
TESTR14;
|
|
}
|
|
|
|
// 4c - plot - plot pixel with R1, R2 as x, y and the color register as the color
|
|
static void fx_plot_8bit (void)
|
|
{
|
|
uint32 x = USEX8(R1);
|
|
uint32 y = USEX8(R2);
|
|
uint8 *a;
|
|
uint8 v, c;
|
|
|
|
R15++;
|
|
CLRFLAGS;
|
|
R1++;
|
|
|
|
#ifdef CHECK_LIMITS
|
|
if (y >= GSU.vScreenHeight)
|
|
return;
|
|
#endif
|
|
|
|
c = (uint8) GSU.vColorReg;
|
|
if (!(GSU.vPlotOptionReg & 0x10))
|
|
{
|
|
if (!(GSU.vPlotOptionReg & 0x01) && !(c & 0xf))
|
|
return;
|
|
}
|
|
else
|
|
if (!(GSU.vPlotOptionReg & 0x01) && !c)
|
|
return;
|
|
|
|
a = GSU.apvScreen[y >> 3] + GSU.x[x >> 3] + ((y & 7) << 1);
|
|
v = 128 >> (x & 7);
|
|
|
|
if (c & 0x01)
|
|
a[0x00] |= v;
|
|
else
|
|
a[0x00] &= ~v;
|
|
|
|
if (c & 0x02)
|
|
a[0x01] |= v;
|
|
else
|
|
a[0x01] &= ~v;
|
|
|
|
if (c & 0x04)
|
|
a[0x10] |= v;
|
|
else
|
|
a[0x10] &= ~v;
|
|
|
|
if (c & 0x08)
|
|
a[0x11] |= v;
|
|
else
|
|
a[0x11] &= ~v;
|
|
|
|
if (c & 0x10)
|
|
a[0x20] |= v;
|
|
else
|
|
a[0x20] &= ~v;
|
|
|
|
if (c & 0x20)
|
|
a[0x21] |= v;
|
|
else
|
|
a[0x21] &= ~v;
|
|
|
|
if (c & 0x40)
|
|
a[0x30] |= v;
|
|
else
|
|
a[0x30] &= ~v;
|
|
|
|
if (c & 0x80)
|
|
a[0x31] |= v;
|
|
else
|
|
a[0x31] &= ~v;
|
|
}
|
|
|
|
// 4c (ALT1) - rpix - read color of the pixel with R1, R2 as x, y
|
|
static void fx_rpix_8bit (void)
|
|
{
|
|
uint32 x = USEX8(R1);
|
|
uint32 y = USEX8(R2);
|
|
uint8 *a;
|
|
uint8 v;
|
|
|
|
R15++;
|
|
CLRFLAGS;
|
|
|
|
#ifdef CHECK_LIMITS
|
|
if (y >= GSU.vScreenHeight)
|
|
return;
|
|
#endif
|
|
|
|
a = GSU.apvScreen[y >> 3] + GSU.x[x >> 3] + ((y & 7) << 1);
|
|
v = 128 >> (x & 7);
|
|
|
|
DREG = 0;
|
|
DREG |= ((uint32) ((a[0x00] & v) != 0)) << 0;
|
|
DREG |= ((uint32) ((a[0x01] & v) != 0)) << 1;
|
|
DREG |= ((uint32) ((a[0x10] & v) != 0)) << 2;
|
|
DREG |= ((uint32) ((a[0x11] & v) != 0)) << 3;
|
|
DREG |= ((uint32) ((a[0x20] & v) != 0)) << 4;
|
|
DREG |= ((uint32) ((a[0x21] & v) != 0)) << 5;
|
|
DREG |= ((uint32) ((a[0x30] & v) != 0)) << 6;
|
|
DREG |= ((uint32) ((a[0x31] & v) != 0)) << 7;
|
|
GSU.vZero = DREG;
|
|
TESTR14;
|
|
}
|
|
|
|
// 4c - plot - plot pixel with R1, R2 as x, y and the color register as the color
|
|
static void fx_plot_obj (void)
|
|
{
|
|
#ifdef DEBUGGER
|
|
fprintf(stderr, "ERROR fx_plot_obj called\n");
|
|
#endif
|
|
}
|
|
|
|
// 4c (ALT1) - rpix - read color of the pixel with R1, R2 as x, y
|
|
static void fx_rpix_obj (void)
|
|
{
|
|
#ifdef DEBUGGER
|
|
fprintf(stderr, "ERROR fx_rpix_obj called\n");
|
|
#endif
|
|
}
|
|
|
|
// 4d - swap - swap upper and lower byte of a register
|
|
static void fx_swap (void)
|
|
{
|
|
uint8 c = (uint8) SREG;
|
|
uint8 d = (uint8) (SREG >> 8);
|
|
uint32 v = (((uint32) c) << 8) | ((uint32) d);
|
|
R15++;
|
|
DREG = v;
|
|
GSU.vSign = v;
|
|
GSU.vZero = v;
|
|
TESTR14;
|
|
CLRFLAGS;
|
|
}
|
|
|
|
// 4e - color - copy source register to color register
|
|
static void fx_color (void)
|
|
{
|
|
uint8 c = (uint8) SREG;
|
|
|
|
if (GSU.vPlotOptionReg & 0x04)
|
|
c = (c & 0xf0) | (c >> 4);
|
|
if (GSU.vPlotOptionReg & 0x08)
|
|
{
|
|
GSU.vColorReg &= 0xf0;
|
|
GSU.vColorReg |= c & 0x0f;
|
|
}
|
|
else
|
|
GSU.vColorReg = USEX8(c);
|
|
|
|
CLRFLAGS;
|
|
R15++;
|
|
}
|
|
|
|
// 4e (ALT1) - cmode - set plot option register
|
|
static void fx_cmode (void)
|
|
{
|
|
GSU.vPlotOptionReg = SREG;
|
|
|
|
if (GSU.vPlotOptionReg & 0x10)
|
|
GSU.vScreenHeight = 256; // OBJ Mode (for drawing into sprites)
|
|
else
|
|
GSU.vScreenHeight = GSU.vScreenRealHeight;
|
|
|
|
fx_computeScreenPointers();
|
|
CLRFLAGS;
|
|
R15++;
|
|
}
|
|
|
|
// 4f - not - perform exclusive exor with 1 on all bits
|
|
static void fx_not (void)
|
|
{
|
|
uint32 v = ~SREG;
|
|
R15++;
|
|
DREG = v;
|
|
GSU.vSign = v;
|
|
GSU.vZero = v;
|
|
TESTR14;
|
|
CLRFLAGS;
|
|
}
|
|
|
|
// 50-5f - add rn - add, register + register
|
|
#define FX_ADD(reg) \
|
|
int32 s = SUSEX16(SREG) + SUSEX16(GSU.avReg[reg]); \
|
|
GSU.vCarry = s >= 0x10000; \
|
|
GSU.vOverflow = ~(SREG ^ GSU.avReg[reg]) & (GSU.avReg[reg] ^ s) & 0x8000; \
|
|
GSU.vSign = s; \
|
|
GSU.vZero = s; \
|
|
R15++; \
|
|
DREG = s; \
|
|
TESTR14; \
|
|
CLRFLAGS
|
|
|
|
static void fx_add_r0 (void)
|
|
{
|
|
FX_ADD(0);
|
|
}
|
|
|
|
static void fx_add_r1 (void)
|
|
{
|
|
FX_ADD(1);
|
|
}
|
|
|
|
static void fx_add_r2 (void)
|
|
{
|
|
FX_ADD(2);
|
|
}
|
|
|
|
static void fx_add_r3 (void)
|
|
{
|
|
FX_ADD(3);
|
|
}
|
|
|
|
static void fx_add_r4 (void)
|
|
{
|
|
FX_ADD(4);
|
|
}
|
|
|
|
static void fx_add_r5 (void)
|
|
{
|
|
FX_ADD(5);
|
|
}
|
|
|
|
static void fx_add_r6 (void)
|
|
{
|
|
FX_ADD(6);
|
|
}
|
|
|
|
static void fx_add_r7 (void)
|
|
{
|
|
FX_ADD(7);
|
|
}
|
|
|
|
static void fx_add_r8 (void)
|
|
{
|
|
FX_ADD(8);
|
|
}
|
|
|
|
static void fx_add_r9 (void)
|
|
{
|
|
FX_ADD(9);
|
|
}
|
|
|
|
static void fx_add_r10 (void)
|
|
{
|
|
FX_ADD(10);
|
|
}
|
|
|
|
static void fx_add_r11 (void)
|
|
{
|
|
FX_ADD(11);
|
|
}
|
|
|
|
static void fx_add_r12 (void)
|
|
{
|
|
FX_ADD(12);
|
|
}
|
|
|
|
static void fx_add_r13 (void)
|
|
{
|
|
FX_ADD(13);
|
|
}
|
|
|
|
static void fx_add_r14 (void)
|
|
{
|
|
FX_ADD(14);
|
|
}
|
|
|
|
static void fx_add_r15 (void)
|
|
{
|
|
FX_ADD(15);
|
|
}
|
|
|
|
// 50-5f (ALT1) - adc rn - add with carry, register + register
|
|
#define FX_ADC(reg) \
|
|
int32 s = SUSEX16(SREG) + SUSEX16(GSU.avReg[reg]) + SEX16(GSU.vCarry); \
|
|
GSU.vCarry = s >= 0x10000; \
|
|
GSU.vOverflow = ~(SREG ^ GSU.avReg[reg]) & (GSU.avReg[reg] ^ s) & 0x8000; \
|
|
GSU.vSign = s; \
|
|
GSU.vZero = s; \
|
|
R15++; \
|
|
DREG = s; \
|
|
TESTR14; \
|
|
CLRFLAGS
|
|
|
|
static void fx_adc_r0 (void)
|
|
{
|
|
FX_ADC(0);
|
|
}
|
|
|
|
static void fx_adc_r1 (void)
|
|
{
|
|
FX_ADC(1);
|
|
}
|
|
|
|
static void fx_adc_r2 (void)
|
|
{
|
|
FX_ADC(2);
|
|
}
|
|
|
|
static void fx_adc_r3 (void)
|
|
{
|
|
FX_ADC(3);
|
|
}
|
|
|
|
static void fx_adc_r4 (void)
|
|
{
|
|
FX_ADC(4);
|
|
}
|
|
|
|
static void fx_adc_r5 (void)
|
|
{
|
|
FX_ADC(5);
|
|
}
|
|
|
|
static void fx_adc_r6 (void)
|
|
{
|
|
FX_ADC(6);
|
|
}
|
|
|
|
static void fx_adc_r7 (void)
|
|
{
|
|
FX_ADC(7);
|
|
}
|
|
|
|
static void fx_adc_r8 (void)
|
|
{
|
|
FX_ADC(8);
|
|
}
|
|
|
|
static void fx_adc_r9 (void)
|
|
{
|
|
FX_ADC(9);
|
|
}
|
|
|
|
static void fx_adc_r10 (void)
|
|
{
|
|
FX_ADC(10);
|
|
}
|
|
|
|
static void fx_adc_r11 (void)
|
|
{
|
|
FX_ADC(11);
|
|
}
|
|
|
|
static void fx_adc_r12 (void)
|
|
{
|
|
FX_ADC(12);
|
|
}
|
|
|
|
static void fx_adc_r13 (void)
|
|
{
|
|
FX_ADC(13);
|
|
}
|
|
|
|
static void fx_adc_r14 (void)
|
|
{
|
|
FX_ADC(14);
|
|
}
|
|
|
|
static void fx_adc_r15 (void)
|
|
{
|
|
FX_ADC(15);
|
|
}
|
|
|
|
// 50-5f (ALT2) - add #n - add, register + immediate
|
|
#define FX_ADD_I(imm) \
|
|
int32 s = SUSEX16(SREG) + imm; \
|
|
GSU.vCarry = s >= 0x10000; \
|
|
GSU.vOverflow = ~(SREG ^ imm) & (imm ^ s) & 0x8000; \
|
|
GSU.vSign = s; \
|
|
GSU.vZero = s; \
|
|
R15++; \
|
|
DREG = s; \
|
|
TESTR14; \
|
|
CLRFLAGS
|
|
|
|
static void fx_add_i0 (void)
|
|
{
|
|
FX_ADD_I(0);
|
|
}
|
|
|
|
static void fx_add_i1 (void)
|
|
{
|
|
FX_ADD_I(1);
|
|
}
|
|
|
|
static void fx_add_i2 (void)
|
|
{
|
|
FX_ADD_I(2);
|
|
}
|
|
|
|
static void fx_add_i3 (void)
|
|
{
|
|
FX_ADD_I(3);
|
|
}
|
|
|
|
static void fx_add_i4 (void)
|
|
{
|
|
FX_ADD_I(4);
|
|
}
|
|
|
|
static void fx_add_i5 (void)
|
|
{
|
|
FX_ADD_I(5);
|
|
}
|
|
|
|
static void fx_add_i6 (void)
|
|
{
|
|
FX_ADD_I(6);
|
|
}
|
|
|
|
static void fx_add_i7 (void)
|
|
{
|
|
FX_ADD_I(7);
|
|
}
|
|
|
|
static void fx_add_i8 (void)
|
|
{
|
|
FX_ADD_I(8);
|
|
}
|
|
|
|
static void fx_add_i9 (void)
|
|
{
|
|
FX_ADD_I(9);
|
|
}
|
|
|
|
static void fx_add_i10 (void)
|
|
{
|
|
FX_ADD_I(10);
|
|
}
|
|
|
|
static void fx_add_i11 (void)
|
|
{
|
|
FX_ADD_I(11);
|
|
}
|
|
|
|
static void fx_add_i12 (void)
|
|
{
|
|
FX_ADD_I(12);
|
|
}
|
|
|
|
static void fx_add_i13 (void)
|
|
{
|
|
FX_ADD_I(13);
|
|
}
|
|
|
|
static void fx_add_i14 (void)
|
|
{
|
|
FX_ADD_I(14);
|
|
}
|
|
|
|
static void fx_add_i15 (void)
|
|
{
|
|
FX_ADD_I(15);
|
|
}
|
|
|
|
// 50-5f (ALT3) - adc #n - add with carry, register + immediate
|
|
#define FX_ADC_I(imm) \
|
|
int32 s = SUSEX16(SREG) + imm + SUSEX16(GSU.vCarry); \
|
|
GSU.vCarry = s >= 0x10000; \
|
|
GSU.vOverflow = ~(SREG ^ imm) & (imm ^ s) & 0x8000; \
|
|
GSU.vSign = s; \
|
|
GSU.vZero = s; \
|
|
R15++; \
|
|
DREG = s; \
|
|
TESTR14; \
|
|
CLRFLAGS
|
|
|
|
static void fx_adc_i0 (void)
|
|
{
|
|
FX_ADC_I(0);
|
|
}
|
|
|
|
static void fx_adc_i1 (void)
|
|
{
|
|
FX_ADC_I(1);
|
|
}
|
|
|
|
static void fx_adc_i2 (void)
|
|
{
|
|
FX_ADC_I(2);
|
|
}
|
|
|
|
static void fx_adc_i3 (void)
|
|
{
|
|
FX_ADC_I(3);
|
|
}
|
|
|
|
static void fx_adc_i4 (void)
|
|
{
|
|
FX_ADC_I(4);
|
|
}
|
|
|
|
static void fx_adc_i5 (void)
|
|
{
|
|
FX_ADC_I(5);
|
|
}
|
|
|
|
static void fx_adc_i6 (void)
|
|
{
|
|
FX_ADC_I(6);
|
|
}
|
|
|
|
static void fx_adc_i7 (void)
|
|
{
|
|
FX_ADC_I(7);
|
|
}
|
|
|
|
static void fx_adc_i8 (void)
|
|
{
|
|
FX_ADC_I(8);
|
|
}
|
|
|
|
static void fx_adc_i9 (void)
|
|
{
|
|
FX_ADC_I(9);
|
|
}
|
|
|
|
static void fx_adc_i10 (void)
|
|
{
|
|
FX_ADC_I(10);
|
|
}
|
|
|
|
static void fx_adc_i11 (void)
|
|
{
|
|
FX_ADC_I(11);
|
|
}
|
|
|
|
static void fx_adc_i12 (void)
|
|
{
|
|
FX_ADC_I(12);
|
|
}
|
|
|
|
static void fx_adc_i13 (void)
|
|
{
|
|
FX_ADC_I(13);
|
|
}
|
|
|
|
static void fx_adc_i14 (void)
|
|
{
|
|
FX_ADC_I(14);
|
|
}
|
|
|
|
static void fx_adc_i15 (void)
|
|
{
|
|
FX_ADC_I(15);
|
|
}
|
|
|
|
// 60-6f - sub rn - subtract, register - register
|
|
#define FX_SUB(reg) \
|
|
int32 s = SUSEX16(SREG) - SUSEX16(GSU.avReg[reg]); \
|
|
GSU.vCarry = s >= 0; \
|
|
GSU.vOverflow = (SREG ^ GSU.avReg[reg]) & (SREG ^ s) & 0x8000; \
|
|
GSU.vSign = s; \
|
|
GSU.vZero = s; \
|
|
R15++; \
|
|
DREG = s; \
|
|
TESTR14; \
|
|
CLRFLAGS
|
|
|
|
static void fx_sub_r0 (void)
|
|
{
|
|
FX_SUB(0);
|
|
}
|
|
|
|
static void fx_sub_r1 (void)
|
|
{
|
|
FX_SUB(1);
|
|
}
|
|
|
|
static void fx_sub_r2 (void)
|
|
{
|
|
FX_SUB(2);
|
|
}
|
|
|
|
static void fx_sub_r3 (void)
|
|
{
|
|
FX_SUB(3);
|
|
}
|
|
|
|
static void fx_sub_r4 (void)
|
|
{
|
|
FX_SUB(4);
|
|
}
|
|
|
|
static void fx_sub_r5 (void)
|
|
{
|
|
FX_SUB(5);
|
|
}
|
|
|
|
static void fx_sub_r6 (void)
|
|
{
|
|
FX_SUB(6);
|
|
}
|
|
|
|
static void fx_sub_r7 (void)
|
|
{
|
|
FX_SUB(7);
|
|
}
|
|
|
|
static void fx_sub_r8 (void)
|
|
{
|
|
FX_SUB(8);
|
|
}
|
|
|
|
static void fx_sub_r9 (void)
|
|
{
|
|
FX_SUB(9);
|
|
}
|
|
|
|
static void fx_sub_r10 (void)
|
|
{
|
|
FX_SUB(10);
|
|
}
|
|
|
|
static void fx_sub_r11 (void)
|
|
{
|
|
FX_SUB(11);
|
|
}
|
|
|
|
static void fx_sub_r12 (void)
|
|
{
|
|
FX_SUB(12);
|
|
}
|
|
|
|
static void fx_sub_r13 (void)
|
|
{
|
|
FX_SUB(13);
|
|
}
|
|
|
|
static void fx_sub_r14 (void)
|
|
{
|
|
FX_SUB(14);
|
|
}
|
|
|
|
static void fx_sub_r15 (void)
|
|
{
|
|
FX_SUB(15);
|
|
}
|
|
|
|
// 60-6f (ALT1) - sbc rn - subtract with carry, register - register
|
|
#define FX_SBC(reg) \
|
|
int32 s = SUSEX16(SREG) - SUSEX16(GSU.avReg[reg]) - (SUSEX16(GSU.vCarry ^ 1)); \
|
|
GSU.vCarry = s >= 0; \
|
|
GSU.vOverflow = (SREG ^ GSU.avReg[reg]) & (SREG ^ s) & 0x8000; \
|
|
GSU.vSign = s; \
|
|
GSU.vZero = s; \
|
|
R15++; \
|
|
DREG = s; \
|
|
TESTR14; \
|
|
CLRFLAGS
|
|
|
|
static void fx_sbc_r0 (void)
|
|
{
|
|
FX_SBC(0);
|
|
}
|
|
|
|
static void fx_sbc_r1 (void)
|
|
{
|
|
FX_SBC(1);
|
|
}
|
|
|
|
static void fx_sbc_r2 (void)
|
|
{
|
|
FX_SBC(2);
|
|
}
|
|
|
|
static void fx_sbc_r3 (void)
|
|
{
|
|
FX_SBC(3);
|
|
}
|
|
|
|
static void fx_sbc_r4 (void)
|
|
{
|
|
FX_SBC(4);
|
|
}
|
|
|
|
static void fx_sbc_r5 (void)
|
|
{
|
|
FX_SBC(5);
|
|
}
|
|
|
|
static void fx_sbc_r6 (void)
|
|
{
|
|
FX_SBC(6);
|
|
}
|
|
|
|
static void fx_sbc_r7 (void)
|
|
{
|
|
FX_SBC(7);
|
|
}
|
|
|
|
static void fx_sbc_r8 (void)
|
|
{
|
|
FX_SBC(8);
|
|
}
|
|
|
|
static void fx_sbc_r9 (void)
|
|
{
|
|
FX_SBC(9);
|
|
}
|
|
|
|
static void fx_sbc_r10 (void)
|
|
{
|
|
FX_SBC(10);
|
|
}
|
|
|
|
static void fx_sbc_r11 (void)
|
|
{
|
|
FX_SBC(11);
|
|
}
|
|
|
|
static void fx_sbc_r12 (void)
|
|
{
|
|
FX_SBC(12);
|
|
}
|
|
|
|
static void fx_sbc_r13 (void)
|
|
{
|
|
FX_SBC(13);
|
|
}
|
|
|
|
static void fx_sbc_r14 (void)
|
|
{
|
|
FX_SBC(14);
|
|
}
|
|
|
|
static void fx_sbc_r15 (void)
|
|
{
|
|
FX_SBC(15);
|
|
}
|
|
|
|
// 60-6f (ALT2) - sub #n - subtract, register - immediate
|
|
#define FX_SUB_I(imm) \
|
|
int32 s = SUSEX16(SREG) - imm; \
|
|
GSU.vCarry = s >= 0; \
|
|
GSU.vOverflow = (SREG ^ imm) & (SREG ^ s) & 0x8000; \
|
|
GSU.vSign = s; \
|
|
GSU.vZero = s; \
|
|
R15++; \
|
|
DREG = s; \
|
|
TESTR14; \
|
|
CLRFLAGS
|
|
|
|
static void fx_sub_i0 (void)
|
|
{
|
|
FX_SUB_I(0);
|
|
}
|
|
|
|
static void fx_sub_i1 (void)
|
|
{
|
|
FX_SUB_I(1);
|
|
}
|
|
|
|
static void fx_sub_i2 (void)
|
|
{
|
|
FX_SUB_I(2);
|
|
}
|
|
|
|
static void fx_sub_i3 (void)
|
|
{
|
|
FX_SUB_I(3);
|
|
}
|
|
|
|
static void fx_sub_i4 (void)
|
|
{
|
|
FX_SUB_I(4);
|
|
}
|
|
|
|
static void fx_sub_i5 (void)
|
|
{
|
|
FX_SUB_I(5);
|
|
}
|
|
|
|
static void fx_sub_i6 (void)
|
|
{
|
|
FX_SUB_I(6);
|
|
}
|
|
|
|
static void fx_sub_i7 (void)
|
|
{
|
|
FX_SUB_I(7);
|
|
}
|
|
|
|
static void fx_sub_i8 (void)
|
|
{
|
|
FX_SUB_I(8);
|
|
}
|
|
|
|
static void fx_sub_i9 (void)
|
|
{
|
|
FX_SUB_I(9);
|
|
}
|
|
|
|
static void fx_sub_i10 (void)
|
|
{
|
|
FX_SUB_I(10);
|
|
}
|
|
|
|
static void fx_sub_i11 (void)
|
|
{
|
|
FX_SUB_I(11);
|
|
}
|
|
|
|
static void fx_sub_i12 (void)
|
|
{
|
|
FX_SUB_I(12);
|
|
}
|
|
|
|
static void fx_sub_i13 (void)
|
|
{
|
|
FX_SUB_I(13);
|
|
}
|
|
|
|
static void fx_sub_i14 (void)
|
|
{
|
|
FX_SUB_I(14);
|
|
}
|
|
|
|
static void fx_sub_i15 (void)
|
|
{
|
|
FX_SUB_I(15);
|
|
}
|
|
|
|
// 60-6f (ALT3) - cmp rn - compare, register, register
|
|
#define FX_CMP(reg) \
|
|
int32 s = SUSEX16(SREG) - SUSEX16(GSU.avReg[reg]); \
|
|
GSU.vCarry = s >= 0; \
|
|
GSU.vOverflow = (SREG ^ GSU.avReg[reg]) & (SREG ^ s) & 0x8000; \
|
|
GSU.vSign = s; \
|
|
GSU.vZero = s; \
|
|
R15++; \
|
|
CLRFLAGS
|
|
|
|
static void fx_cmp_r0 (void)
|
|
{
|
|
FX_CMP(0);
|
|
}
|
|
|
|
static void fx_cmp_r1 (void)
|
|
{
|
|
FX_CMP(1);
|
|
}
|
|
|
|
static void fx_cmp_r2 (void)
|
|
{
|
|
FX_CMP(2);
|
|
}
|
|
|
|
static void fx_cmp_r3 (void)
|
|
{
|
|
FX_CMP(3);
|
|
}
|
|
|
|
static void fx_cmp_r4 (void)
|
|
{
|
|
FX_CMP(4);
|
|
}
|
|
|
|
static void fx_cmp_r5 (void)
|
|
{
|
|
FX_CMP(5);
|
|
}
|
|
|
|
static void fx_cmp_r6 (void)
|
|
{
|
|
FX_CMP(6);
|
|
}
|
|
|
|
static void fx_cmp_r7 (void)
|
|
{
|
|
FX_CMP(7);
|
|
}
|
|
|
|
static void fx_cmp_r8 (void)
|
|
{
|
|
FX_CMP(8);
|
|
}
|
|
|
|
static void fx_cmp_r9 (void)
|
|
{
|
|
FX_CMP(9);
|
|
}
|
|
|
|
static void fx_cmp_r10 (void)
|
|
{
|
|
FX_CMP(10);
|
|
}
|
|
|
|
static void fx_cmp_r11 (void)
|
|
{
|
|
FX_CMP(11);
|
|
}
|
|
|
|
static void fx_cmp_r12 (void)
|
|
{
|
|
FX_CMP(12);
|
|
}
|
|
|
|
static void fx_cmp_r13 (void)
|
|
{
|
|
FX_CMP(13);
|
|
}
|
|
|
|
static void fx_cmp_r14 (void)
|
|
{
|
|
FX_CMP(14);
|
|
}
|
|
|
|
static void fx_cmp_r15 (void)
|
|
{
|
|
FX_CMP(15);
|
|
}
|
|
|
|
// 70 - merge - R7 as upper byte, R8 as lower byte (used for texture-mapping)
|
|
static void fx_merge (void)
|
|
{
|
|
uint32 v = (R7 & 0xff00) | ((R8 & 0xff00) >> 8);
|
|
R15++;
|
|
DREG = v;
|
|
GSU.vOverflow = (v & 0xc0c0) << 16;
|
|
GSU.vZero = !(v & 0xf0f0);
|
|
GSU.vSign = ((v | (v << 8)) & 0x8000);
|
|
GSU.vCarry = (v & 0xe0e0) != 0;
|
|
TESTR14;
|
|
CLRFLAGS;
|
|
}
|
|
|
|
// 71-7f - and rn - reister & register
|
|
#define FX_AND(reg) \
|
|
uint32 v = SREG & GSU.avReg[reg]; \
|
|
R15++; \
|
|
DREG = v; \
|
|
GSU.vSign = v; \
|
|
GSU.vZero = v; \
|
|
TESTR14; \
|
|
CLRFLAGS
|
|
|
|
static void fx_and_r1 (void)
|
|
{
|
|
FX_AND(1);
|
|
}
|
|
|
|
static void fx_and_r2 (void)
|
|
{
|
|
FX_AND(2);
|
|
}
|
|
|
|
static void fx_and_r3 (void)
|
|
{
|
|
FX_AND(3);
|
|
}
|
|
|
|
static void fx_and_r4 (void)
|
|
{
|
|
FX_AND(4);
|
|
}
|
|
|
|
static void fx_and_r5 (void)
|
|
{
|
|
FX_AND(5);
|
|
}
|
|
|
|
static void fx_and_r6 (void)
|
|
{
|
|
FX_AND(6);
|
|
}
|
|
|
|
static void fx_and_r7 (void)
|
|
{
|
|
FX_AND(7);
|
|
}
|
|
|
|
static void fx_and_r8 (void)
|
|
{
|
|
FX_AND(8);
|
|
}
|
|
|
|
static void fx_and_r9 (void)
|
|
{
|
|
FX_AND(9);
|
|
}
|
|
|
|
static void fx_and_r10 (void)
|
|
{
|
|
FX_AND(10);
|
|
}
|
|
|
|
static void fx_and_r11 (void)
|
|
{
|
|
FX_AND(11);
|
|
}
|
|
|
|
static void fx_and_r12 (void)
|
|
{
|
|
FX_AND(12);
|
|
}
|
|
|
|
static void fx_and_r13 (void)
|
|
{
|
|
FX_AND(13);
|
|
}
|
|
|
|
static void fx_and_r14 (void)
|
|
{
|
|
FX_AND(14);
|
|
}
|
|
|
|
static void fx_and_r15 (void)
|
|
{
|
|
FX_AND(15);
|
|
}
|
|
|
|
// 71-7f (ALT1) - bic rn - reister & ~register
|
|
#define FX_BIC(reg) \
|
|
uint32 v = SREG & ~GSU.avReg[reg]; \
|
|
R15++; \
|
|
DREG = v; \
|
|
GSU.vSign = v; \
|
|
GSU.vZero = v; \
|
|
TESTR14; \
|
|
CLRFLAGS
|
|
|
|
static void fx_bic_r1 (void)
|
|
{
|
|
FX_BIC(1);
|
|
}
|
|
|
|
static void fx_bic_r2 (void)
|
|
{
|
|
FX_BIC(2);
|
|
}
|
|
|
|
static void fx_bic_r3 (void)
|
|
{
|
|
FX_BIC(3);
|
|
}
|
|
|
|
static void fx_bic_r4 (void)
|
|
{
|
|
FX_BIC(4);
|
|
}
|
|
|
|
static void fx_bic_r5 (void)
|
|
{
|
|
FX_BIC(5);
|
|
}
|
|
|
|
static void fx_bic_r6 (void)
|
|
{
|
|
FX_BIC(6);
|
|
}
|
|
|
|
static void fx_bic_r7 (void)
|
|
{
|
|
FX_BIC(7);
|
|
}
|
|
|
|
static void fx_bic_r8 (void)
|
|
{
|
|
FX_BIC(8);
|
|
}
|
|
|
|
static void fx_bic_r9 (void)
|
|
{
|
|
FX_BIC(9);
|
|
}
|
|
|
|
static void fx_bic_r10 (void)
|
|
{
|
|
FX_BIC(10);
|
|
}
|
|
|
|
static void fx_bic_r11 (void)
|
|
{
|
|
FX_BIC(11);
|
|
}
|
|
|
|
static void fx_bic_r12 (void)
|
|
{
|
|
FX_BIC(12);
|
|
}
|
|
|
|
static void fx_bic_r13 (void)
|
|
{
|
|
FX_BIC(13);
|
|
}
|
|
|
|
static void fx_bic_r14 (void)
|
|
{
|
|
FX_BIC(14);
|
|
}
|
|
|
|
static void fx_bic_r15 (void)
|
|
{
|
|
FX_BIC(15);
|
|
}
|
|
|
|
// 71-7f (ALT2) - and #n - reister & immediate
|
|
#define FX_AND_I(imm) \
|
|
uint32 v = SREG & imm; \
|
|
R15++; \
|
|
DREG = v; \
|
|
GSU.vSign = v; \
|
|
GSU.vZero = v; \
|
|
TESTR14; \
|
|
CLRFLAGS
|
|
|
|
static void fx_and_i1 (void)
|
|
{
|
|
FX_AND_I(1);
|
|
}
|
|
|
|
static void fx_and_i2 (void)
|
|
{
|
|
FX_AND_I(2);
|
|
}
|
|
|
|
static void fx_and_i3 (void)
|
|
{
|
|
FX_AND_I(3);
|
|
}
|
|
|
|
static void fx_and_i4 (void)
|
|
{
|
|
FX_AND_I(4);
|
|
}
|
|
|
|
static void fx_and_i5 (void)
|
|
{
|
|
FX_AND_I(5);
|
|
}
|
|
|
|
static void fx_and_i6 (void)
|
|
{
|
|
FX_AND_I(6);
|
|
}
|
|
|
|
static void fx_and_i7 (void)
|
|
{
|
|
FX_AND_I(7);
|
|
}
|
|
|
|
static void fx_and_i8 (void)
|
|
{
|
|
FX_AND_I(8);
|
|
}
|
|
|
|
static void fx_and_i9 (void)
|
|
{
|
|
FX_AND_I(9);
|
|
}
|
|
|
|
static void fx_and_i10 (void)
|
|
{
|
|
FX_AND_I(10);
|
|
}
|
|
|
|
static void fx_and_i11 (void)
|
|
{
|
|
FX_AND_I(11);
|
|
}
|
|
|
|
static void fx_and_i12 (void)
|
|
{
|
|
FX_AND_I(12);
|
|
}
|
|
|
|
static void fx_and_i13 (void)
|
|
{
|
|
FX_AND_I(13);
|
|
}
|
|
|
|
static void fx_and_i14 (void)
|
|
{
|
|
FX_AND_I(14);
|
|
}
|
|
|
|
static void fx_and_i15 (void)
|
|
{
|
|
FX_AND_I(15);
|
|
}
|
|
|
|
// 71-7f (ALT3) - bic #n - reister & ~immediate
|
|
#define FX_BIC_I(imm) \
|
|
uint32 v = SREG & ~imm; \
|
|
R15++; \
|
|
DREG = v; \
|
|
GSU.vSign = v; \
|
|
GSU.vZero = v; \
|
|
TESTR14; \
|
|
CLRFLAGS
|
|
|
|
static void fx_bic_i1 (void)
|
|
{
|
|
FX_BIC_I(1);
|
|
}
|
|
|
|
static void fx_bic_i2 (void)
|
|
{
|
|
FX_BIC_I(2);
|
|
}
|
|
|
|
static void fx_bic_i3 (void)
|
|
{
|
|
FX_BIC_I(3);
|
|
}
|
|
|
|
static void fx_bic_i4 (void)
|
|
{
|
|
FX_BIC_I(4);
|
|
}
|
|
|
|
static void fx_bic_i5 (void)
|
|
{
|
|
FX_BIC_I(5);
|
|
}
|
|
|
|
static void fx_bic_i6 (void)
|
|
{
|
|
FX_BIC_I(6);
|
|
}
|
|
|
|
static void fx_bic_i7 (void)
|
|
{
|
|
FX_BIC_I(7);
|
|
}
|
|
|
|
static void fx_bic_i8 (void)
|
|
{
|
|
FX_BIC_I(8);
|
|
}
|
|
|
|
static void fx_bic_i9 (void)
|
|
{
|
|
FX_BIC_I(9);
|
|
}
|
|
|
|
static void fx_bic_i10 (void)
|
|
{
|
|
FX_BIC_I(10);
|
|
}
|
|
|
|
static void fx_bic_i11 (void)
|
|
{
|
|
FX_BIC_I(11);
|
|
}
|
|
|
|
static void fx_bic_i12 (void)
|
|
{
|
|
FX_BIC_I(12);
|
|
}
|
|
|
|
static void fx_bic_i13 (void)
|
|
{
|
|
FX_BIC_I(13);
|
|
}
|
|
|
|
static void fx_bic_i14 (void)
|
|
{
|
|
FX_BIC_I(14);
|
|
}
|
|
|
|
static void fx_bic_i15 (void)
|
|
{
|
|
FX_BIC_I(15);
|
|
}
|
|
|
|
// 80-8f - mult rn - 8 bit to 16 bit signed multiply, register * register
|
|
#define FX_MULT(reg) \
|
|
uint32 v = (uint32) (SEX8(SREG) * SEX8(GSU.avReg[reg])); \
|
|
R15++; \
|
|
DREG = v; \
|
|
GSU.vSign = v; \
|
|
GSU.vZero = v; \
|
|
TESTR14; \
|
|
CLRFLAGS
|
|
|
|
static void fx_mult_r0 (void)
|
|
{
|
|
FX_MULT(0);
|
|
}
|
|
|
|
static void fx_mult_r1 (void)
|
|
{
|
|
FX_MULT(1);
|
|
}
|
|
|
|
static void fx_mult_r2 (void)
|
|
{
|
|
FX_MULT(2);
|
|
}
|
|
|
|
static void fx_mult_r3 (void)
|
|
{
|
|
FX_MULT(3);
|
|
}
|
|
|
|
static void fx_mult_r4 (void)
|
|
{
|
|
FX_MULT(4);
|
|
}
|
|
|
|
static void fx_mult_r5 (void)
|
|
{
|
|
FX_MULT(5);
|
|
}
|
|
|
|
static void fx_mult_r6 (void)
|
|
{
|
|
FX_MULT(6);
|
|
}
|
|
|
|
static void fx_mult_r7 (void)
|
|
{
|
|
FX_MULT(7);
|
|
}
|
|
|
|
static void fx_mult_r8 (void)
|
|
{
|
|
FX_MULT(8);
|
|
}
|
|
|
|
static void fx_mult_r9 (void)
|
|
{
|
|
FX_MULT(9);
|
|
}
|
|
|
|
static void fx_mult_r10 (void)
|
|
{
|
|
FX_MULT(10);
|
|
}
|
|
|
|
static void fx_mult_r11 (void)
|
|
{
|
|
FX_MULT(11);
|
|
}
|
|
|
|
static void fx_mult_r12 (void)
|
|
{
|
|
FX_MULT(12);
|
|
}
|
|
|
|
static void fx_mult_r13 (void)
|
|
{
|
|
FX_MULT(13);
|
|
}
|
|
|
|
static void fx_mult_r14 (void)
|
|
{
|
|
FX_MULT(14);
|
|
}
|
|
|
|
static void fx_mult_r15 (void)
|
|
{
|
|
FX_MULT(15);
|
|
}
|
|
|
|
// 80-8f (ALT1) - umult rn - 8 bit to 16 bit unsigned multiply, register * register
|
|
#define FX_UMULT(reg) \
|
|
uint32 v = USEX8(SREG) * USEX8(GSU.avReg[reg]); \
|
|
R15++; \
|
|
DREG = v; \
|
|
GSU.vSign = v; \
|
|
GSU.vZero = v; \
|
|
TESTR14; \
|
|
CLRFLAGS
|
|
|
|
static void fx_umult_r0 (void)
|
|
{
|
|
FX_UMULT(0);
|
|
}
|
|
|
|
static void fx_umult_r1 (void)
|
|
{
|
|
FX_UMULT(1);
|
|
}
|
|
|
|
static void fx_umult_r2 (void)
|
|
{
|
|
FX_UMULT(2);
|
|
}
|
|
|
|
static void fx_umult_r3 (void)
|
|
{
|
|
FX_UMULT(3);
|
|
}
|
|
|
|
static void fx_umult_r4 (void)
|
|
{
|
|
FX_UMULT(4);
|
|
}
|
|
|
|
static void fx_umult_r5 (void)
|
|
{
|
|
FX_UMULT(5);
|
|
}
|
|
|
|
static void fx_umult_r6 (void)
|
|
{
|
|
FX_UMULT(6);
|
|
}
|
|
|
|
static void fx_umult_r7 (void)
|
|
{
|
|
FX_UMULT(7);
|
|
}
|
|
|
|
static void fx_umult_r8 (void)
|
|
{
|
|
FX_UMULT(8);
|
|
}
|
|
|
|
static void fx_umult_r9 (void)
|
|
{
|
|
FX_UMULT(9);
|
|
}
|
|
|
|
static void fx_umult_r10 (void)
|
|
{
|
|
FX_UMULT(10);
|
|
}
|
|
|
|
static void fx_umult_r11 (void)
|
|
{
|
|
FX_UMULT(11);
|
|
}
|
|
|
|
static void fx_umult_r12 (void)
|
|
{
|
|
FX_UMULT(12);
|
|
}
|
|
|
|
static void fx_umult_r13 (void)
|
|
{
|
|
FX_UMULT(13);
|
|
}
|
|
|
|
static void fx_umult_r14 (void)
|
|
{
|
|
FX_UMULT(14);
|
|
}
|
|
|
|
static void fx_umult_r15 (void)
|
|
{
|
|
FX_UMULT(15);
|
|
}
|
|
|
|
// 80-8f (ALT2) - mult #n - 8 bit to 16 bit signed multiply, register * immediate
|
|
#define FX_MULT_I(imm) \
|
|
uint32 v = (uint32) (SEX8(SREG) * ((int32) imm)); \
|
|
R15++; \
|
|
DREG = v; \
|
|
GSU.vSign = v; \
|
|
GSU.vZero = v; \
|
|
TESTR14; \
|
|
CLRFLAGS
|
|
|
|
static void fx_mult_i0 (void)
|
|
{
|
|
FX_MULT_I(0);
|
|
}
|
|
|
|
static void fx_mult_i1 (void)
|
|
{
|
|
FX_MULT_I(1);
|
|
}
|
|
|
|
static void fx_mult_i2 (void)
|
|
{
|
|
FX_MULT_I(2);
|
|
}
|
|
|
|
static void fx_mult_i3 (void)
|
|
{
|
|
FX_MULT_I(3);
|
|
}
|
|
|
|
static void fx_mult_i4 (void)
|
|
{
|
|
FX_MULT_I(4);
|
|
}
|
|
|
|
static void fx_mult_i5 (void)
|
|
{
|
|
FX_MULT_I(5);
|
|
}
|
|
|
|
static void fx_mult_i6 (void)
|
|
{
|
|
FX_MULT_I(6);
|
|
}
|
|
|
|
static void fx_mult_i7 (void)
|
|
{
|
|
FX_MULT_I(7);
|
|
}
|
|
|
|
static void fx_mult_i8 (void)
|
|
{
|
|
FX_MULT_I(8);
|
|
}
|
|
|
|
static void fx_mult_i9 (void)
|
|
{
|
|
FX_MULT_I(9);
|
|
}
|
|
|
|
static void fx_mult_i10 (void)
|
|
{
|
|
FX_MULT_I(10);
|
|
}
|
|
|
|
static void fx_mult_i11 (void)
|
|
{
|
|
FX_MULT_I(11);
|
|
}
|
|
|
|
static void fx_mult_i12 (void)
|
|
{
|
|
FX_MULT_I(12);
|
|
}
|
|
|
|
static void fx_mult_i13 (void)
|
|
{
|
|
FX_MULT_I(13);
|
|
}
|
|
|
|
static void fx_mult_i14 (void)
|
|
{
|
|
FX_MULT_I(14);
|
|
}
|
|
|
|
static void fx_mult_i15 (void)
|
|
{
|
|
FX_MULT_I(15);
|
|
}
|
|
|
|
// 80-8f (ALT3) - umult #n - 8 bit to 16 bit unsigned multiply, register * immediate
|
|
#define FX_UMULT_I(imm) \
|
|
uint32 v = USEX8(SREG) * ((uint32) imm); \
|
|
R15++; \
|
|
DREG = v; \
|
|
GSU.vSign = v; \
|
|
GSU.vZero = v; \
|
|
TESTR14; \
|
|
CLRFLAGS
|
|
|
|
static void fx_umult_i0 (void)
|
|
{
|
|
FX_UMULT_I(0);
|
|
}
|
|
|
|
static void fx_umult_i1 (void)
|
|
{
|
|
FX_UMULT_I(1);
|
|
}
|
|
|
|
static void fx_umult_i2 (void)
|
|
{
|
|
FX_UMULT_I(2);
|
|
}
|
|
|
|
static void fx_umult_i3 (void)
|
|
{
|
|
FX_UMULT_I(3);
|
|
}
|
|
|
|
static void fx_umult_i4 (void)
|
|
{
|
|
FX_UMULT_I(4);
|
|
}
|
|
|
|
static void fx_umult_i5 (void)
|
|
{
|
|
FX_UMULT_I(5);
|
|
}
|
|
|
|
static void fx_umult_i6 (void)
|
|
{
|
|
FX_UMULT_I(6);
|
|
}
|
|
|
|
static void fx_umult_i7 (void)
|
|
{
|
|
FX_UMULT_I(7);
|
|
}
|
|
|
|
static void fx_umult_i8 (void)
|
|
{
|
|
FX_UMULT_I(8);
|
|
}
|
|
|
|
static void fx_umult_i9 (void)
|
|
{
|
|
FX_UMULT_I(9);
|
|
}
|
|
|
|
static void fx_umult_i10 (void)
|
|
{
|
|
FX_UMULT_I(10);
|
|
}
|
|
|
|
static void fx_umult_i11 (void)
|
|
{
|
|
FX_UMULT_I(11);
|
|
}
|
|
|
|
static void fx_umult_i12 (void)
|
|
{
|
|
FX_UMULT_I(12);
|
|
}
|
|
|
|
static void fx_umult_i13 (void)
|
|
{
|
|
FX_UMULT_I(13);
|
|
}
|
|
|
|
static void fx_umult_i14 (void)
|
|
{
|
|
FX_UMULT_I(14);
|
|
}
|
|
|
|
static void fx_umult_i15 (void)
|
|
{
|
|
FX_UMULT_I(15);
|
|
}
|
|
|
|
// 90 - sbk - store word to last accessed RAM address
|
|
static void fx_sbk (void)
|
|
{
|
|
RAM(GSU.vLastRamAdr) = (uint8) SREG;
|
|
RAM(GSU.vLastRamAdr ^ 1) = (uint8) (SREG >> 8);
|
|
CLRFLAGS;
|
|
R15++;
|
|
}
|
|
|
|
// 91-94 - link #n - R11 = R15 + immediate
|
|
#define FX_LINK_I(lkn) \
|
|
R11 = R15 + lkn; \
|
|
CLRFLAGS; \
|
|
R15++
|
|
|
|
static void fx_link_i1 (void)
|
|
{
|
|
FX_LINK_I(1);
|
|
}
|
|
|
|
static void fx_link_i2 (void)
|
|
{
|
|
FX_LINK_I(2);
|
|
}
|
|
|
|
static void fx_link_i3 (void)
|
|
{
|
|
FX_LINK_I(3);
|
|
}
|
|
|
|
static void fx_link_i4 (void)
|
|
{
|
|
FX_LINK_I(4);
|
|
}
|
|
|
|
// 95 - sex - sign extend 8 bit to 16 bit
|
|
static void fx_sex (void)
|
|
{
|
|
uint32 v = (uint32) SEX8(SREG);
|
|
R15++;
|
|
DREG = v;
|
|
GSU.vSign = v;
|
|
GSU.vZero = v;
|
|
TESTR14;
|
|
CLRFLAGS;
|
|
}
|
|
|
|
// 96 - asr - aritmetric shift right by one
|
|
static void fx_asr (void)
|
|
{
|
|
uint32 v;
|
|
GSU.vCarry = SREG & 1;
|
|
v = (uint32) (SEX16(SREG) >> 1);
|
|
R15++;
|
|
DREG = v;
|
|
GSU.vSign = v;
|
|
GSU.vZero = v;
|
|
TESTR14;
|
|
CLRFLAGS;
|
|
}
|
|
|
|
// 96 (ALT1) - div2 - aritmetric shift right by one
|
|
static void fx_div2 (void)
|
|
{
|
|
uint32 v;
|
|
int32 s = SEX16(SREG);
|
|
GSU.vCarry = s & 1;
|
|
if (s == -1)
|
|
v = 0;
|
|
else
|
|
v = (uint32) (s >> 1);
|
|
R15++;
|
|
DREG = v;
|
|
GSU.vSign = v;
|
|
GSU.vZero = v;
|
|
TESTR14;
|
|
CLRFLAGS;
|
|
}
|
|
|
|
// 97 - ror - rotate right by one
|
|
static void fx_ror (void)
|
|
{
|
|
uint32 v = (USEX16(SREG) >> 1) | (GSU.vCarry << 15);
|
|
GSU.vCarry = SREG & 1;
|
|
R15++;
|
|
DREG = v;
|
|
GSU.vSign = v;
|
|
GSU.vZero = v;
|
|
TESTR14;
|
|
CLRFLAGS;
|
|
}
|
|
|
|
// 98-9d - jmp rn - jump to address of register
|
|
#define FX_JMP(reg) \
|
|
R15 = GSU.avReg[reg]; \
|
|
CLRFLAGS
|
|
|
|
static void fx_jmp_r8 (void)
|
|
{
|
|
FX_JMP(8);
|
|
}
|
|
|
|
static void fx_jmp_r9 (void)
|
|
{
|
|
FX_JMP(9);
|
|
}
|
|
|
|
static void fx_jmp_r10 (void)
|
|
{
|
|
FX_JMP(10);
|
|
}
|
|
|
|
static void fx_jmp_r11 (void)
|
|
{
|
|
FX_JMP(11);
|
|
}
|
|
|
|
static void fx_jmp_r12 (void)
|
|
{
|
|
FX_JMP(12);
|
|
}
|
|
|
|
static void fx_jmp_r13 (void)
|
|
{
|
|
FX_JMP(13);
|
|
}
|
|
|
|
// 98-9d (ALT1) - ljmp rn - set program bank to source register and jump to address of register
|
|
#define FX_LJMP(reg) \
|
|
GSU.vPrgBankReg = GSU.avReg[reg] & 0x7f; \
|
|
GSU.pvPrgBank = GSU.apvRomBank[GSU.vPrgBankReg]; \
|
|
R15 = SREG; \
|
|
GSU.bCacheActive = FALSE; \
|
|
fx_cache(); \
|
|
R15--
|
|
|
|
static void fx_ljmp_r8 (void)
|
|
{
|
|
FX_LJMP(8);
|
|
}
|
|
|
|
static void fx_ljmp_r9 (void)
|
|
{
|
|
FX_LJMP(9);
|
|
}
|
|
|
|
static void fx_ljmp_r10 (void)
|
|
{
|
|
FX_LJMP(10);
|
|
}
|
|
|
|
static void fx_ljmp_r11 (void)
|
|
{
|
|
FX_LJMP(11);
|
|
}
|
|
|
|
static void fx_ljmp_r12 (void)
|
|
{
|
|
FX_LJMP(12);
|
|
}
|
|
|
|
static void fx_ljmp_r13 (void)
|
|
{
|
|
FX_LJMP(13);
|
|
}
|
|
|
|
// 9e - lob - set upper byte to zero (keep low byte)
|
|
static void fx_lob (void)
|
|
{
|
|
uint32 v = USEX8(SREG);
|
|
R15++;
|
|
DREG = v;
|
|
GSU.vSign = v << 8;
|
|
GSU.vZero = v << 8;
|
|
TESTR14;
|
|
CLRFLAGS;
|
|
}
|
|
|
|
// 9f - fmult - 16 bit to 32 bit signed multiplication, upper 16 bits only
|
|
static void fx_fmult (void)
|
|
{
|
|
uint32 v;
|
|
uint32 c = (uint32) (SEX16(SREG) * SEX16(R6));
|
|
v = c >> 16;
|
|
R15++;
|
|
DREG = v;
|
|
GSU.vSign = v;
|
|
GSU.vZero = v;
|
|
GSU.vCarry = (c >> 15) & 1;
|
|
TESTR14;
|
|
CLRFLAGS;
|
|
}
|
|
|
|
// 9f (ALT1) - lmult - 16 bit to 32 bit signed multiplication
|
|
static void fx_lmult (void)
|
|
{
|
|
uint32 v;
|
|
uint32 c = (uint32) (SEX16(SREG) * SEX16(R6));
|
|
R4 = c;
|
|
v = c >> 16;
|
|
R15++;
|
|
DREG = v;
|
|
GSU.vSign = v;
|
|
GSU.vZero = v;
|
|
// XXX: R6 or R4?
|
|
GSU.vCarry = (R4 >> 15) & 1; // should it be bit 15 of R4 instead ?
|
|
TESTR14;
|
|
CLRFLAGS;
|
|
}
|
|
|
|
// a0-af - ibt rn, #pp - immediate byte transfer
|
|
#define FX_IBT(reg) \
|
|
uint8 v = PIPE; \
|
|
R15++; \
|
|
FETCHPIPE; \
|
|
R15++; \
|
|
GSU.avReg[reg] = SEX8(v); \
|
|
CLRFLAGS
|
|
|
|
static void fx_ibt_r0 (void)
|
|
{
|
|
FX_IBT(0);
|
|
}
|
|
|
|
static void fx_ibt_r1 (void)
|
|
{
|
|
FX_IBT(1);
|
|
}
|
|
|
|
static void fx_ibt_r2 (void)
|
|
{
|
|
FX_IBT(2);
|
|
}
|
|
|
|
static void fx_ibt_r3 (void)
|
|
{
|
|
FX_IBT(3);
|
|
}
|
|
|
|
static void fx_ibt_r4 (void)
|
|
{
|
|
FX_IBT(4);
|
|
}
|
|
|
|
static void fx_ibt_r5 (void)
|
|
{
|
|
FX_IBT(5);
|
|
}
|
|
|
|
static void fx_ibt_r6 (void)
|
|
{
|
|
FX_IBT(6);
|
|
}
|
|
|
|
static void fx_ibt_r7 (void)
|
|
{
|
|
FX_IBT(7);
|
|
}
|
|
|
|
static void fx_ibt_r8 (void)
|
|
{
|
|
FX_IBT(8);
|
|
}
|
|
|
|
static void fx_ibt_r9 (void)
|
|
{
|
|
FX_IBT(9);
|
|
}
|
|
|
|
static void fx_ibt_r10 (void)
|
|
{
|
|
FX_IBT(10);
|
|
}
|
|
|
|
static void fx_ibt_r11 (void)
|
|
{
|
|
FX_IBT(11);
|
|
}
|
|
|
|
static void fx_ibt_r12 (void)
|
|
{
|
|
FX_IBT(12);
|
|
}
|
|
|
|
static void fx_ibt_r13 (void)
|
|
{
|
|
FX_IBT(13);
|
|
}
|
|
|
|
static void fx_ibt_r14 (void)
|
|
{
|
|
FX_IBT(14);
|
|
READR14;
|
|
}
|
|
|
|
static void fx_ibt_r15 (void)
|
|
{
|
|
FX_IBT(15);
|
|
}
|
|
|
|
// a0-af (ALT1) - lms rn, (yy) - load word from RAM (short address)
|
|
#define FX_LMS(reg) \
|
|
GSU.vLastRamAdr = ((uint32) PIPE) << 1; \
|
|
R15++; \
|
|
FETCHPIPE; \
|
|
R15++; \
|
|
GSU.avReg[reg] = (uint32) RAM(GSU.vLastRamAdr); \
|
|
GSU.avReg[reg] |= ((uint32) RAM(GSU.vLastRamAdr + 1)) << 8; \
|
|
CLRFLAGS
|
|
|
|
static void fx_lms_r0 (void)
|
|
{
|
|
FX_LMS(0);
|
|
}
|
|
|
|
static void fx_lms_r1 (void)
|
|
{
|
|
FX_LMS(1);
|
|
}
|
|
|
|
static void fx_lms_r2 (void)
|
|
{
|
|
FX_LMS(2);
|
|
}
|
|
|
|
static void fx_lms_r3 (void)
|
|
{
|
|
FX_LMS(3);
|
|
}
|
|
|
|
static void fx_lms_r4 (void)
|
|
{
|
|
FX_LMS(4);
|
|
}
|
|
|
|
static void fx_lms_r5 (void)
|
|
{
|
|
FX_LMS(5);
|
|
}
|
|
|
|
static void fx_lms_r6 (void)
|
|
{
|
|
FX_LMS(6);
|
|
}
|
|
|
|
static void fx_lms_r7 (void)
|
|
{
|
|
FX_LMS(7);
|
|
}
|
|
|
|
static void fx_lms_r8 (void)
|
|
{
|
|
FX_LMS(8);
|
|
}
|
|
|
|
static void fx_lms_r9 (void)
|
|
{
|
|
FX_LMS(9);
|
|
}
|
|
|
|
static void fx_lms_r10 (void)
|
|
{
|
|
FX_LMS(10);
|
|
}
|
|
|
|
static void fx_lms_r11 (void)
|
|
{
|
|
FX_LMS(11);
|
|
}
|
|
|
|
static void fx_lms_r12 (void)
|
|
{
|
|
FX_LMS(12);
|
|
}
|
|
|
|
static void fx_lms_r13 (void)
|
|
{
|
|
FX_LMS(13);
|
|
}
|
|
|
|
static void fx_lms_r14 (void)
|
|
{
|
|
FX_LMS(14);
|
|
READR14;
|
|
}
|
|
|
|
static void fx_lms_r15 (void)
|
|
{
|
|
FX_LMS(15);
|
|
}
|
|
|
|
// a0-af (ALT2) - sms (yy), rn - store word in RAM (short address)
|
|
// XXX: If rn == r15, is the value of r15 before or after the extra byte is read ?
|
|
#define FX_SMS(reg) \
|
|
uint32 v = GSU.avReg[reg]; \
|
|
GSU.vLastRamAdr = ((uint32) PIPE) << 1; \
|
|
R15++; \
|
|
FETCHPIPE; \
|
|
RAM(GSU.vLastRamAdr) = (uint8) v; \
|
|
RAM(GSU.vLastRamAdr + 1) = (uint8) (v >> 8); \
|
|
CLRFLAGS; \
|
|
R15++
|
|
|
|
static void fx_sms_r0 (void)
|
|
{
|
|
FX_SMS(0);
|
|
}
|
|
|
|
static void fx_sms_r1 (void)
|
|
{
|
|
FX_SMS(1);
|
|
}
|
|
|
|
static void fx_sms_r2 (void)
|
|
{
|
|
FX_SMS(2);
|
|
}
|
|
|
|
static void fx_sms_r3 (void)
|
|
{
|
|
FX_SMS(3);
|
|
}
|
|
|
|
static void fx_sms_r4 (void)
|
|
{
|
|
FX_SMS(4);
|
|
}
|
|
|
|
static void fx_sms_r5 (void)
|
|
{
|
|
FX_SMS(5);
|
|
}
|
|
|
|
static void fx_sms_r6 (void)
|
|
{
|
|
FX_SMS(6);
|
|
}
|
|
|
|
static void fx_sms_r7 (void)
|
|
{
|
|
FX_SMS(7);
|
|
}
|
|
|
|
static void fx_sms_r8 (void)
|
|
{
|
|
FX_SMS(8);
|
|
}
|
|
|
|
static void fx_sms_r9 (void)
|
|
{
|
|
FX_SMS(9);
|
|
}
|
|
|
|
static void fx_sms_r10 (void)
|
|
{
|
|
FX_SMS(10);
|
|
}
|
|
|
|
static void fx_sms_r11 (void)
|
|
{
|
|
FX_SMS(11);
|
|
}
|
|
|
|
static void fx_sms_r12 (void)
|
|
{
|
|
FX_SMS(12);
|
|
}
|
|
|
|
static void fx_sms_r13 (void)
|
|
{
|
|
FX_SMS(13);
|
|
}
|
|
|
|
static void fx_sms_r14 (void)
|
|
{
|
|
FX_SMS(14);
|
|
}
|
|
|
|
static void fx_sms_r15 (void)
|
|
{
|
|
FX_SMS(15);
|
|
}
|
|
|
|
// b0-bf - from rn - set source register
|
|
// b0-bf (B) - moves rn - move register to register, and set flags, (if B flag is set)
|
|
#define FX_FROM(reg) \
|
|
if (TF(B)) \
|
|
{ \
|
|
uint32 v = GSU.avReg[reg]; \
|
|
R15++; \
|
|
DREG = v; \
|
|
GSU.vOverflow = (v & 0x80) << 16; \
|
|
GSU.vSign = v; \
|
|
GSU.vZero = v; \
|
|
TESTR14; \
|
|
CLRFLAGS; \
|
|
} \
|
|
else \
|
|
{ \
|
|
GSU.pvSreg = &GSU.avReg[reg]; \
|
|
R15++; \
|
|
}
|
|
|
|
static void fx_from_r0 (void)
|
|
{
|
|
FX_FROM(0);
|
|
}
|
|
|
|
static void fx_from_r1 (void)
|
|
{
|
|
FX_FROM(1);
|
|
}
|
|
|
|
static void fx_from_r2 (void)
|
|
{
|
|
FX_FROM(2);
|
|
}
|
|
|
|
static void fx_from_r3 (void)
|
|
{
|
|
FX_FROM(3);
|
|
}
|
|
|
|
static void fx_from_r4 (void)
|
|
{
|
|
FX_FROM(4);
|
|
}
|
|
|
|
static void fx_from_r5 (void)
|
|
{
|
|
FX_FROM(5);
|
|
}
|
|
|
|
static void fx_from_r6 (void)
|
|
{
|
|
FX_FROM(6);
|
|
}
|
|
|
|
static void fx_from_r7 (void)
|
|
{
|
|
FX_FROM(7);
|
|
}
|
|
|
|
static void fx_from_r8 (void)
|
|
{
|
|
FX_FROM(8);
|
|
}
|
|
|
|
static void fx_from_r9 (void)
|
|
{
|
|
FX_FROM(9);
|
|
}
|
|
|
|
static void fx_from_r10 (void)
|
|
{
|
|
FX_FROM(10);
|
|
}
|
|
|
|
static void fx_from_r11 (void)
|
|
{
|
|
FX_FROM(11);
|
|
}
|
|
|
|
static void fx_from_r12 (void)
|
|
{
|
|
FX_FROM(12);
|
|
}
|
|
|
|
static void fx_from_r13 (void)
|
|
{
|
|
FX_FROM(13);
|
|
}
|
|
|
|
static void fx_from_r14 (void)
|
|
{
|
|
FX_FROM(14);
|
|
}
|
|
|
|
static void fx_from_r15 (void)
|
|
{
|
|
FX_FROM(15);
|
|
}
|
|
|
|
// c0 - hib - move high-byte to low-byte
|
|
static void fx_hib (void)
|
|
{
|
|
uint32 v = USEX8(SREG >> 8);
|
|
R15++;
|
|
DREG = v;
|
|
GSU.vSign = v << 8;
|
|
GSU.vZero = v << 8;
|
|
TESTR14;
|
|
CLRFLAGS;
|
|
}
|
|
|
|
// c1-cf - or rn
|
|
#define FX_OR(reg) \
|
|
uint32 v = SREG | GSU.avReg[reg]; \
|
|
R15++; \
|
|
DREG = v; \
|
|
GSU.vSign = v; \
|
|
GSU.vZero = v; \
|
|
TESTR14; \
|
|
CLRFLAGS
|
|
|
|
static void fx_or_r1 (void)
|
|
{
|
|
FX_OR(1);
|
|
}
|
|
|
|
static void fx_or_r2 (void)
|
|
{
|
|
FX_OR(2);
|
|
}
|
|
|
|
static void fx_or_r3 (void)
|
|
{
|
|
FX_OR(3);
|
|
}
|
|
|
|
static void fx_or_r4 (void)
|
|
{
|
|
FX_OR(4);
|
|
}
|
|
|
|
static void fx_or_r5 (void)
|
|
{
|
|
FX_OR(5);
|
|
}
|
|
|
|
static void fx_or_r6 (void)
|
|
{
|
|
FX_OR(6);
|
|
}
|
|
|
|
static void fx_or_r7 (void)
|
|
{
|
|
FX_OR(7);
|
|
}
|
|
|
|
static void fx_or_r8 (void)
|
|
{
|
|
FX_OR(8);
|
|
}
|
|
|
|
static void fx_or_r9 (void)
|
|
{
|
|
FX_OR(9);
|
|
}
|
|
|
|
static void fx_or_r10 (void)
|
|
{
|
|
FX_OR(10);
|
|
}
|
|
|
|
static void fx_or_r11 (void)
|
|
{
|
|
FX_OR(11);
|
|
}
|
|
|
|
static void fx_or_r12 (void)
|
|
{
|
|
FX_OR(12);
|
|
}
|
|
|
|
static void fx_or_r13 (void)
|
|
{
|
|
FX_OR(13);
|
|
}
|
|
|
|
static void fx_or_r14 (void)
|
|
{
|
|
FX_OR(14);
|
|
}
|
|
|
|
static void fx_or_r15 (void)
|
|
{
|
|
FX_OR(15);
|
|
}
|
|
|
|
// c1-cf (ALT1) - xor rn
|
|
#define FX_XOR(reg) \
|
|
uint32 v = SREG ^ GSU.avReg[reg]; \
|
|
R15++; \
|
|
DREG = v; \
|
|
GSU.vSign = v; \
|
|
GSU.vZero = v; \
|
|
TESTR14; \
|
|
CLRFLAGS
|
|
|
|
static void fx_xor_r1 (void)
|
|
{
|
|
FX_XOR(1);
|
|
}
|
|
|
|
static void fx_xor_r2 (void)
|
|
{
|
|
FX_XOR(2);
|
|
}
|
|
|
|
static void fx_xor_r3 (void)
|
|
{
|
|
FX_XOR(3);
|
|
}
|
|
|
|
static void fx_xor_r4 (void)
|
|
{
|
|
FX_XOR(4);
|
|
}
|
|
|
|
static void fx_xor_r5 (void)
|
|
{
|
|
FX_XOR(5);
|
|
}
|
|
|
|
static void fx_xor_r6 (void)
|
|
{
|
|
FX_XOR(6);
|
|
}
|
|
|
|
static void fx_xor_r7 (void)
|
|
{
|
|
FX_XOR(7);
|
|
}
|
|
|
|
static void fx_xor_r8 (void)
|
|
{
|
|
FX_XOR(8);
|
|
}
|
|
|
|
static void fx_xor_r9 (void)
|
|
{
|
|
FX_XOR(9);
|
|
}
|
|
|
|
static void fx_xor_r10 (void)
|
|
{
|
|
FX_XOR(10);
|
|
}
|
|
|
|
static void fx_xor_r11 (void)
|
|
{
|
|
FX_XOR(11);
|
|
}
|
|
|
|
static void fx_xor_r12 (void)
|
|
{
|
|
FX_XOR(12);
|
|
}
|
|
|
|
static void fx_xor_r13 (void)
|
|
{
|
|
FX_XOR(13);
|
|
}
|
|
|
|
static void fx_xor_r14 (void)
|
|
{
|
|
FX_XOR(14);
|
|
}
|
|
|
|
static void fx_xor_r15 (void)
|
|
{
|
|
FX_XOR(15);
|
|
}
|
|
|
|
// c1-cf (ALT2) - or #n
|
|
#define FX_OR_I(imm) \
|
|
uint32 v = SREG | imm; \
|
|
R15++; \
|
|
DREG = v; \
|
|
GSU.vSign = v; \
|
|
GSU.vZero = v; \
|
|
TESTR14; \
|
|
CLRFLAGS
|
|
|
|
static void fx_or_i1 (void)
|
|
{
|
|
FX_OR_I(1);
|
|
}
|
|
|
|
static void fx_or_i2 (void)
|
|
{
|
|
FX_OR_I(2);
|
|
}
|
|
|
|
static void fx_or_i3 (void)
|
|
{
|
|
FX_OR_I(3);
|
|
}
|
|
|
|
static void fx_or_i4 (void)
|
|
{
|
|
FX_OR_I(4);
|
|
}
|
|
|
|
static void fx_or_i5 (void)
|
|
{
|
|
FX_OR_I(5);
|
|
}
|
|
|
|
static void fx_or_i6 (void)
|
|
{
|
|
FX_OR_I(6);
|
|
}
|
|
|
|
static void fx_or_i7 (void)
|
|
{
|
|
FX_OR_I(7);
|
|
}
|
|
|
|
static void fx_or_i8 (void)
|
|
{
|
|
FX_OR_I(8);
|
|
}
|
|
|
|
static void fx_or_i9 (void)
|
|
{
|
|
FX_OR_I(9);
|
|
}
|
|
|
|
static void fx_or_i10 (void)
|
|
{
|
|
FX_OR_I(10);
|
|
}
|
|
|
|
static void fx_or_i11 (void)
|
|
{
|
|
FX_OR_I(11);
|
|
}
|
|
|
|
static void fx_or_i12 (void)
|
|
{
|
|
FX_OR_I(12);
|
|
}
|
|
|
|
static void fx_or_i13 (void)
|
|
{
|
|
FX_OR_I(13);
|
|
}
|
|
|
|
static void fx_or_i14 (void)
|
|
{
|
|
FX_OR_I(14);
|
|
}
|
|
|
|
static void fx_or_i15 (void)
|
|
{
|
|
FX_OR_I(15);
|
|
}
|
|
|
|
// c1-cf (ALT3) - xor #n
|
|
#define FX_XOR_I(imm) \
|
|
uint32 v = SREG ^ imm; \
|
|
R15++; \
|
|
DREG = v; \
|
|
GSU.vSign = v; \
|
|
GSU.vZero = v; \
|
|
TESTR14; \
|
|
CLRFLAGS
|
|
|
|
static void fx_xor_i1 (void)
|
|
{
|
|
FX_XOR_I(1);
|
|
}
|
|
|
|
static void fx_xor_i2 (void)
|
|
{
|
|
FX_XOR_I(2);
|
|
}
|
|
|
|
static void fx_xor_i3 (void)
|
|
{
|
|
FX_XOR_I(3);
|
|
}
|
|
|
|
static void fx_xor_i4 (void)
|
|
{
|
|
FX_XOR_I(4);
|
|
}
|
|
|
|
static void fx_xor_i5 (void)
|
|
{
|
|
FX_XOR_I(5);
|
|
}
|
|
|
|
static void fx_xor_i6 (void)
|
|
{
|
|
FX_XOR_I(6);
|
|
}
|
|
|
|
static void fx_xor_i7 (void)
|
|
{
|
|
FX_XOR_I(7);
|
|
}
|
|
|
|
static void fx_xor_i8 (void)
|
|
{
|
|
FX_XOR_I(8);
|
|
}
|
|
|
|
static void fx_xor_i9 (void)
|
|
{
|
|
FX_XOR_I(9);
|
|
}
|
|
|
|
static void fx_xor_i10 (void)
|
|
{
|
|
FX_XOR_I(10);
|
|
}
|
|
|
|
static void fx_xor_i11 (void)
|
|
{
|
|
FX_XOR_I(11);
|
|
}
|
|
|
|
static void fx_xor_i12 (void)
|
|
{
|
|
FX_XOR_I(12);
|
|
}
|
|
|
|
static void fx_xor_i13 (void)
|
|
{
|
|
FX_XOR_I(13);
|
|
}
|
|
|
|
static void fx_xor_i14 (void)
|
|
{
|
|
FX_XOR_I(14);
|
|
}
|
|
|
|
static void fx_xor_i15 (void)
|
|
{
|
|
FX_XOR_I(15);
|
|
}
|
|
|
|
// d0-de - inc rn - increase by one
|
|
#define FX_INC(reg) \
|
|
GSU.avReg[reg] += 1; \
|
|
GSU.vSign = GSU.avReg[reg]; \
|
|
GSU.vZero = GSU.avReg[reg]; \
|
|
CLRFLAGS; \
|
|
R15++
|
|
|
|
static void fx_inc_r0 (void)
|
|
{
|
|
FX_INC(0);
|
|
}
|
|
|
|
static void fx_inc_r1 (void)
|
|
{
|
|
FX_INC(1);
|
|
}
|
|
|
|
static void fx_inc_r2 (void)
|
|
{
|
|
FX_INC(2);
|
|
}
|
|
|
|
static void fx_inc_r3 (void)
|
|
{
|
|
FX_INC(3);
|
|
}
|
|
|
|
static void fx_inc_r4 (void)
|
|
{
|
|
FX_INC(4);
|
|
}
|
|
|
|
static void fx_inc_r5 (void)
|
|
{
|
|
FX_INC(5);
|
|
}
|
|
|
|
static void fx_inc_r6 (void)
|
|
{
|
|
FX_INC(6);
|
|
}
|
|
|
|
static void fx_inc_r7 (void)
|
|
{
|
|
FX_INC(7);
|
|
}
|
|
|
|
static void fx_inc_r8 (void)
|
|
{
|
|
FX_INC(8);
|
|
}
|
|
|
|
static void fx_inc_r9 (void)
|
|
{
|
|
FX_INC(9);
|
|
}
|
|
|
|
static void fx_inc_r10 (void)
|
|
{
|
|
FX_INC(10);
|
|
}
|
|
|
|
static void fx_inc_r11 (void)
|
|
{
|
|
FX_INC(11);
|
|
}
|
|
|
|
static void fx_inc_r12 (void)
|
|
{
|
|
FX_INC(12);
|
|
}
|
|
|
|
static void fx_inc_r13 (void)
|
|
{
|
|
FX_INC(13);
|
|
}
|
|
|
|
static void fx_inc_r14 (void)
|
|
{
|
|
FX_INC(14);
|
|
READR14;
|
|
}
|
|
|
|
// df - getc - transfer ROM buffer to color register
|
|
static void fx_getc (void)
|
|
{
|
|
#ifndef FX_DO_ROMBUFFER
|
|
uint8 c = ROM(R14);
|
|
#else
|
|
uint8 c = GSU.vRomBuffer;
|
|
#endif
|
|
|
|
if (GSU.vPlotOptionReg & 0x04)
|
|
c = (c & 0xf0) | (c >> 4);
|
|
|
|
if (GSU.vPlotOptionReg & 0x08)
|
|
{
|
|
GSU.vColorReg &= 0xf0;
|
|
GSU.vColorReg |= c & 0x0f;
|
|
}
|
|
else
|
|
GSU.vColorReg = USEX8(c);
|
|
|
|
CLRFLAGS;
|
|
R15++;
|
|
}
|
|
|
|
// df (ALT2) - ramb - set current RAM bank
|
|
static void fx_ramb (void)
|
|
{
|
|
GSU.vRamBankReg = SREG & (FX_RAM_BANKS - 1);
|
|
GSU.pvRamBank = GSU.apvRamBank[GSU.vRamBankReg & 0x3];
|
|
CLRFLAGS;
|
|
R15++;
|
|
}
|
|
|
|
// df (ALT3) - romb - set current ROM bank
|
|
static void fx_romb (void)
|
|
{
|
|
GSU.vRomBankReg = USEX8(SREG) & 0x7f;
|
|
GSU.pvRomBank = GSU.apvRomBank[GSU.vRomBankReg];
|
|
CLRFLAGS;
|
|
R15++;
|
|
}
|
|
|
|
// e0-ee - dec rn - decrement by one
|
|
#define FX_DEC(reg) \
|
|
GSU.avReg[reg] -= 1; \
|
|
GSU.vSign = GSU.avReg[reg]; \
|
|
GSU.vZero = GSU.avReg[reg]; \
|
|
CLRFLAGS; \
|
|
R15++
|
|
|
|
static void fx_dec_r0 (void)
|
|
{
|
|
FX_DEC(0);
|
|
}
|
|
|
|
static void fx_dec_r1 (void)
|
|
{
|
|
FX_DEC(1);
|
|
}
|
|
|
|
static void fx_dec_r2 (void)
|
|
{
|
|
FX_DEC(2);
|
|
}
|
|
|
|
static void fx_dec_r3 (void)
|
|
{
|
|
FX_DEC(3);
|
|
}
|
|
|
|
static void fx_dec_r4 (void)
|
|
{
|
|
FX_DEC(4);
|
|
}
|
|
|
|
static void fx_dec_r5 (void)
|
|
{
|
|
FX_DEC(5);
|
|
}
|
|
|
|
static void fx_dec_r6 (void)
|
|
{
|
|
FX_DEC(6);
|
|
}
|
|
|
|
static void fx_dec_r7 (void)
|
|
{
|
|
FX_DEC(7);
|
|
}
|
|
|
|
static void fx_dec_r8 (void)
|
|
{
|
|
FX_DEC(8);
|
|
}
|
|
|
|
static void fx_dec_r9 (void)
|
|
{
|
|
FX_DEC(9);
|
|
}
|
|
|
|
static void fx_dec_r10 (void)
|
|
{
|
|
FX_DEC(10);
|
|
}
|
|
|
|
static void fx_dec_r11 (void)
|
|
{
|
|
FX_DEC(11);
|
|
}
|
|
|
|
static void fx_dec_r12 (void)
|
|
{
|
|
FX_DEC(12);
|
|
}
|
|
|
|
static void fx_dec_r13 (void)
|
|
{
|
|
FX_DEC(13);
|
|
}
|
|
|
|
static void fx_dec_r14 (void)
|
|
{
|
|
FX_DEC(14);
|
|
READR14;
|
|
}
|
|
|
|
// ef - getb - get byte from ROM at address R14
|
|
static void fx_getb (void)
|
|
{
|
|
uint32 v;
|
|
#ifndef FX_DO_ROMBUFFER
|
|
v = (uint32) ROM(R14);
|
|
#else
|
|
v = (uint32) GSU.vRomBuffer;
|
|
#endif
|
|
R15++;
|
|
DREG = v;
|
|
TESTR14;
|
|
CLRFLAGS;
|
|
}
|
|
|
|
// ef (ALT1) - getbh - get high-byte from ROM at address R14
|
|
static void fx_getbh (void)
|
|
{
|
|
uint32 v;
|
|
#ifndef FX_DO_ROMBUFFER
|
|
uint32 c = (uint32) ROM(R14);
|
|
#else
|
|
uint32 c = USEX8(GSU.vRomBuffer);
|
|
#endif
|
|
v = USEX8(SREG) | (c << 8);
|
|
R15++;
|
|
DREG = v;
|
|
TESTR14;
|
|
CLRFLAGS;
|
|
}
|
|
|
|
// ef (ALT2) - getbl - get low-byte from ROM at address R14
|
|
static void fx_getbl (void)
|
|
{
|
|
uint32 v;
|
|
#ifndef FX_DO_ROMBUFFER
|
|
uint32 c = (uint32) ROM(R14);
|
|
#else
|
|
uint32 c = USEX8(GSU.vRomBuffer);
|
|
#endif
|
|
v = (SREG & 0xff00) | c;
|
|
R15++;
|
|
DREG = v;
|
|
TESTR14;
|
|
CLRFLAGS;
|
|
}
|
|
|
|
// ef (ALT3) - getbs - get sign extended byte from ROM at address R14
|
|
static void fx_getbs (void)
|
|
{
|
|
uint32 v;
|
|
#ifndef FX_DO_ROMBUFFER
|
|
int8 c;
|
|
c = ROM(R14);
|
|
v = SEX8(c);
|
|
#else
|
|
v = SEX8(GSU.vRomBuffer);
|
|
#endif
|
|
R15++;
|
|
DREG = v;
|
|
TESTR14;
|
|
CLRFLAGS;
|
|
}
|
|
|
|
// f0-ff - iwt rn, #xx - immediate word transfer to register
|
|
#define FX_IWT(reg) \
|
|
uint32 v = PIPE; \
|
|
R15++; \
|
|
FETCHPIPE; \
|
|
R15++; \
|
|
v |= USEX8(PIPE) << 8; \
|
|
FETCHPIPE; \
|
|
R15++; \
|
|
GSU.avReg[reg] = v; \
|
|
CLRFLAGS
|
|
|
|
static void fx_iwt_r0 (void)
|
|
{
|
|
FX_IWT(0);
|
|
}
|
|
|
|
static void fx_iwt_r1 (void)
|
|
{
|
|
FX_IWT(1);
|
|
}
|
|
|
|
static void fx_iwt_r2 (void)
|
|
{
|
|
FX_IWT(2);
|
|
}
|
|
|
|
static void fx_iwt_r3 (void)
|
|
{
|
|
FX_IWT(3);
|
|
}
|
|
|
|
static void fx_iwt_r4 (void)
|
|
{
|
|
FX_IWT(4);
|
|
}
|
|
|
|
static void fx_iwt_r5 (void)
|
|
{
|
|
FX_IWT(5);
|
|
}
|
|
|
|
static void fx_iwt_r6 (void)
|
|
{
|
|
FX_IWT(6);
|
|
}
|
|
|
|
static void fx_iwt_r7 (void)
|
|
{
|
|
FX_IWT(7);
|
|
}
|
|
|
|
static void fx_iwt_r8 (void)
|
|
{
|
|
FX_IWT(8);
|
|
}
|
|
|
|
static void fx_iwt_r9 (void)
|
|
{
|
|
FX_IWT(9);
|
|
}
|
|
|
|
static void fx_iwt_r10 (void)
|
|
{
|
|
FX_IWT(10);
|
|
}
|
|
|
|
static void fx_iwt_r11 (void)
|
|
{
|
|
FX_IWT(11);
|
|
}
|
|
|
|
static void fx_iwt_r12 (void)
|
|
{
|
|
FX_IWT(12);
|
|
}
|
|
|
|
static void fx_iwt_r13 (void)
|
|
{
|
|
FX_IWT(13);
|
|
}
|
|
|
|
static void fx_iwt_r14 (void)
|
|
{
|
|
FX_IWT(14);
|
|
READR14;
|
|
}
|
|
|
|
static void fx_iwt_r15 (void)
|
|
{
|
|
FX_IWT(15);
|
|
}
|
|
|
|
// f0-ff (ALT1) - lm rn, (xx) - load word from RAM
|
|
#define FX_LM(reg) \
|
|
GSU.vLastRamAdr = PIPE; \
|
|
R15++; \
|
|
FETCHPIPE; \
|
|
R15++; \
|
|
GSU.vLastRamAdr |= USEX8(PIPE) << 8; \
|
|
FETCHPIPE; \
|
|
R15++; \
|
|
GSU.avReg[reg] = RAM(GSU.vLastRamAdr); \
|
|
GSU.avReg[reg] |= USEX8(RAM(GSU.vLastRamAdr ^ 1)) << 8; \
|
|
CLRFLAGS
|
|
|
|
static void fx_lm_r0 (void)
|
|
{
|
|
FX_LM(0);
|
|
}
|
|
|
|
static void fx_lm_r1 (void)
|
|
{
|
|
FX_LM(1);
|
|
}
|
|
|
|
static void fx_lm_r2 (void)
|
|
{
|
|
FX_LM(2);
|
|
}
|
|
|
|
static void fx_lm_r3 (void)
|
|
{
|
|
FX_LM(3);
|
|
}
|
|
|
|
static void fx_lm_r4 (void)
|
|
{
|
|
FX_LM(4);
|
|
}
|
|
|
|
static void fx_lm_r5 (void)
|
|
{
|
|
FX_LM(5);
|
|
}
|
|
|
|
static void fx_lm_r6 (void)
|
|
{
|
|
FX_LM(6);
|
|
}
|
|
|
|
static void fx_lm_r7 (void)
|
|
{
|
|
FX_LM(7);
|
|
}
|
|
|
|
static void fx_lm_r8 (void)
|
|
{
|
|
FX_LM(8);
|
|
}
|
|
|
|
static void fx_lm_r9 (void)
|
|
{
|
|
FX_LM(9);
|
|
}
|
|
|
|
static void fx_lm_r10 (void)
|
|
{
|
|
FX_LM(10);
|
|
}
|
|
|
|
static void fx_lm_r11 (void)
|
|
{
|
|
FX_LM(11);
|
|
}
|
|
|
|
static void fx_lm_r12 (void)
|
|
{
|
|
FX_LM(12);
|
|
}
|
|
|
|
static void fx_lm_r13 (void)
|
|
{
|
|
FX_LM(13);
|
|
}
|
|
|
|
static void fx_lm_r14 (void)
|
|
{
|
|
FX_LM(14);
|
|
READR14;
|
|
}
|
|
|
|
static void fx_lm_r15 (void)
|
|
{
|
|
FX_LM(15);
|
|
}
|
|
|
|
// f0-ff (ALT2) - sm (xx), rn - store word in RAM
|
|
// XXX: If rn == r15, is the value of r15 before or after the extra bytes are read ?
|
|
#define FX_SM(reg) \
|
|
uint32 v = GSU.avReg[reg]; \
|
|
GSU.vLastRamAdr = PIPE; \
|
|
R15++; \
|
|
FETCHPIPE; \
|
|
R15++; \
|
|
GSU.vLastRamAdr |= USEX8(PIPE) << 8; \
|
|
FETCHPIPE; \
|
|
RAM(GSU.vLastRamAdr) = (uint8) v; \
|
|
RAM(GSU.vLastRamAdr ^ 1) = (uint8) (v >> 8); \
|
|
CLRFLAGS; \
|
|
R15++
|
|
|
|
static void fx_sm_r0 (void)
|
|
{
|
|
FX_SM(0);
|
|
}
|
|
|
|
static void fx_sm_r1 (void)
|
|
{
|
|
FX_SM(1);
|
|
}
|
|
|
|
static void fx_sm_r2 (void)
|
|
{
|
|
FX_SM(2);
|
|
}
|
|
|
|
static void fx_sm_r3 (void)
|
|
{
|
|
FX_SM(3);
|
|
}
|
|
|
|
static void fx_sm_r4 (void)
|
|
{
|
|
FX_SM(4);
|
|
}
|
|
|
|
static void fx_sm_r5 (void)
|
|
{
|
|
FX_SM(5);
|
|
}
|
|
|
|
static void fx_sm_r6 (void)
|
|
{
|
|
FX_SM(6);
|
|
}
|
|
|
|
static void fx_sm_r7 (void)
|
|
{
|
|
FX_SM(7);
|
|
}
|
|
|
|
static void fx_sm_r8 (void)
|
|
{
|
|
FX_SM(8);
|
|
}
|
|
|
|
static void fx_sm_r9 (void)
|
|
{
|
|
FX_SM(9);
|
|
}
|
|
|
|
static void fx_sm_r10 (void)
|
|
{
|
|
FX_SM(10);
|
|
}
|
|
|
|
static void fx_sm_r11 (void)
|
|
{
|
|
FX_SM(11);
|
|
}
|
|
|
|
static void fx_sm_r12 (void)
|
|
{
|
|
FX_SM(12);
|
|
}
|
|
|
|
static void fx_sm_r13 (void)
|
|
{
|
|
FX_SM(13);
|
|
}
|
|
|
|
static void fx_sm_r14 (void)
|
|
{
|
|
FX_SM(14);
|
|
}
|
|
|
|
static void fx_sm_r15 (void)
|
|
{
|
|
FX_SM(15);
|
|
}
|
|
|
|
// GSU executions functions
|
|
|
|
uint32 fx_run (uint32 nInstructions)
|
|
{
|
|
GSU.vCounter = nInstructions;
|
|
READR14;
|
|
while (TF(G) && (GSU.vCounter-- > 0))
|
|
FX_STEP;
|
|
#if 0
|
|
#ifndef FX_ADDRESS_CHECK
|
|
GSU.vPipeAdr = USEX16(R15 - 1) | (USEX8(GSU.vPrgBankReg) << 16);
|
|
#endif
|
|
#endif
|
|
|
|
return (nInstructions - GSU.vInstCount);
|
|
}
|
|
|
|
/*
|
|
uint32 fx_run_to_breakpoint (uint32 nInstructions)
|
|
{
|
|
uint32 vCounter = 0;
|
|
|
|
while (TF(G) && vCounter < nInstructions)
|
|
{
|
|
vCounter++;
|
|
FX_STEP;
|
|
|
|
if (USEX16(R15) == GSU.vBreakPoint)
|
|
{
|
|
GSU.vErrorCode = FX_BREAKPOINT;
|
|
break;
|
|
}
|
|
}
|
|
|
|
#if 0
|
|
#ifndef FX_ADDRESS_CHECK
|
|
GSU.vPipeAdr = USEX16(R15 - 1) | (USEX8(GSU.vPrgBankReg) << 16);
|
|
#endif
|
|
#endif
|
|
|
|
return (vCounter);
|
|
}
|
|
*/
|
|
|
|
/*
|
|
uint32 fx_step_over (uint32 nInstructions)
|
|
{
|
|
uint32 vCounter = 0;
|
|
|
|
while (TF(G) && vCounter < nInstructions)
|
|
{
|
|
vCounter++;
|
|
FX_STEP;
|
|
|
|
if (USEX16(R15) == GSU.vBreakPoint)
|
|
{
|
|
GSU.vErrorCode = FX_BREAKPOINT;
|
|
break;
|
|
}
|
|
|
|
if (USEX16(R15) == GSU.vStepPoint)
|
|
break;
|
|
}
|
|
|
|
#if 0
|
|
#ifndef FX_ADDRESS_CHECK
|
|
GSU.vPipeAdr = USEX16(R15 - 1) | (USEX8(GSU.vPrgBankReg) << 16);
|
|
#endif
|
|
#endif
|
|
|
|
return (vCounter);
|
|
}
|
|
*/
|
|
|
|
// Special table for the different plot configurations
|
|
|
|
void (*fx_PlotTable[]) (void) =
|
|
{
|
|
&fx_plot_2bit, &fx_plot_4bit, &fx_plot_4bit, &fx_plot_8bit, &fx_plot_obj,
|
|
&fx_rpix_2bit, &fx_rpix_4bit, &fx_rpix_4bit, &fx_rpix_8bit, &fx_rpix_obj
|
|
};
|
|
|
|
// Opcode table
|
|
|
|
void (*fx_OpcodeTable[]) (void) =
|
|
{
|
|
// ALT0 Table
|
|
|
|
// 00 - 0f
|
|
&fx_stop, &fx_nop, &fx_cache, &fx_lsr, &fx_rol, &fx_bra, &fx_bge, &fx_blt,
|
|
&fx_bne, &fx_beq, &fx_bpl, &fx_bmi, &fx_bcc, &fx_bcs, &fx_bvc, &fx_bvs,
|
|
// 10 - 1f
|
|
&fx_to_r0, &fx_to_r1, &fx_to_r2, &fx_to_r3, &fx_to_r4, &fx_to_r5, &fx_to_r6, &fx_to_r7,
|
|
&fx_to_r8, &fx_to_r9, &fx_to_r10, &fx_to_r11, &fx_to_r12, &fx_to_r13, &fx_to_r14, &fx_to_r15,
|
|
// 20 - 2f
|
|
&fx_with_r0, &fx_with_r1, &fx_with_r2, &fx_with_r3, &fx_with_r4, &fx_with_r5, &fx_with_r6, &fx_with_r7,
|
|
&fx_with_r8, &fx_with_r9, &fx_with_r10, &fx_with_r11, &fx_with_r12, &fx_with_r13, &fx_with_r14, &fx_with_r15,
|
|
// 30 - 3f
|
|
&fx_stw_r0, &fx_stw_r1, &fx_stw_r2, &fx_stw_r3, &fx_stw_r4, &fx_stw_r5, &fx_stw_r6, &fx_stw_r7,
|
|
&fx_stw_r8, &fx_stw_r9, &fx_stw_r10, &fx_stw_r11, &fx_loop, &fx_alt1, &fx_alt2, &fx_alt3,
|
|
// 40 - 4f
|
|
&fx_ldw_r0, &fx_ldw_r1, &fx_ldw_r2, &fx_ldw_r3, &fx_ldw_r4, &fx_ldw_r5, &fx_ldw_r6, &fx_ldw_r7,
|
|
&fx_ldw_r8, &fx_ldw_r9, &fx_ldw_r10, &fx_ldw_r11, &fx_plot_2bit, &fx_swap, &fx_color, &fx_not,
|
|
// 50 - 5f
|
|
&fx_add_r0, &fx_add_r1, &fx_add_r2, &fx_add_r3, &fx_add_r4, &fx_add_r5, &fx_add_r6, &fx_add_r7,
|
|
&fx_add_r8, &fx_add_r9, &fx_add_r10, &fx_add_r11, &fx_add_r12, &fx_add_r13, &fx_add_r14, &fx_add_r15,
|
|
// 60 - 6f
|
|
&fx_sub_r0, &fx_sub_r1, &fx_sub_r2, &fx_sub_r3, &fx_sub_r4, &fx_sub_r5, &fx_sub_r6, &fx_sub_r7,
|
|
&fx_sub_r8, &fx_sub_r9, &fx_sub_r10, &fx_sub_r11, &fx_sub_r12, &fx_sub_r13, &fx_sub_r14, &fx_sub_r15,
|
|
// 70 - 7f
|
|
&fx_merge, &fx_and_r1, &fx_and_r2, &fx_and_r3, &fx_and_r4, &fx_and_r5, &fx_and_r6, &fx_and_r7,
|
|
&fx_and_r8, &fx_and_r9, &fx_and_r10, &fx_and_r11, &fx_and_r12, &fx_and_r13, &fx_and_r14, &fx_and_r15,
|
|
// 80 - 8f
|
|
&fx_mult_r0, &fx_mult_r1, &fx_mult_r2, &fx_mult_r3, &fx_mult_r4, &fx_mult_r5, &fx_mult_r6, &fx_mult_r7,
|
|
&fx_mult_r8, &fx_mult_r9, &fx_mult_r10, &fx_mult_r11, &fx_mult_r12, &fx_mult_r13, &fx_mult_r14, &fx_mult_r15,
|
|
// 90 - 9f
|
|
&fx_sbk, &fx_link_i1, &fx_link_i2, &fx_link_i3, &fx_link_i4, &fx_sex, &fx_asr, &fx_ror,
|
|
&fx_jmp_r8, &fx_jmp_r9, &fx_jmp_r10, &fx_jmp_r11, &fx_jmp_r12, &fx_jmp_r13, &fx_lob, &fx_fmult,
|
|
// a0 - af
|
|
&fx_ibt_r0, &fx_ibt_r1, &fx_ibt_r2, &fx_ibt_r3, &fx_ibt_r4, &fx_ibt_r5, &fx_ibt_r6, &fx_ibt_r7,
|
|
&fx_ibt_r8, &fx_ibt_r9, &fx_ibt_r10, &fx_ibt_r11, &fx_ibt_r12, &fx_ibt_r13, &fx_ibt_r14, &fx_ibt_r15,
|
|
// b0 - bf
|
|
&fx_from_r0, &fx_from_r1, &fx_from_r2, &fx_from_r3, &fx_from_r4, &fx_from_r5, &fx_from_r6, &fx_from_r7,
|
|
&fx_from_r8, &fx_from_r9, &fx_from_r10, &fx_from_r11, &fx_from_r12, &fx_from_r13, &fx_from_r14, &fx_from_r15,
|
|
// c0 - cf
|
|
&fx_hib, &fx_or_r1, &fx_or_r2, &fx_or_r3, &fx_or_r4, &fx_or_r5, &fx_or_r6, &fx_or_r7,
|
|
&fx_or_r8, &fx_or_r9, &fx_or_r10, &fx_or_r11, &fx_or_r12, &fx_or_r13, &fx_or_r14, &fx_or_r15,
|
|
// d0 - df
|
|
&fx_inc_r0, &fx_inc_r1, &fx_inc_r2, &fx_inc_r3, &fx_inc_r4, &fx_inc_r5, &fx_inc_r6, &fx_inc_r7,
|
|
&fx_inc_r8, &fx_inc_r9, &fx_inc_r10, &fx_inc_r11, &fx_inc_r12, &fx_inc_r13, &fx_inc_r14, &fx_getc,
|
|
// e0 - ef
|
|
&fx_dec_r0, &fx_dec_r1, &fx_dec_r2, &fx_dec_r3, &fx_dec_r4, &fx_dec_r5, &fx_dec_r6, &fx_dec_r7,
|
|
&fx_dec_r8, &fx_dec_r9, &fx_dec_r10, &fx_dec_r11, &fx_dec_r12, &fx_dec_r13, &fx_dec_r14, &fx_getb,
|
|
// f0 - ff
|
|
&fx_iwt_r0, &fx_iwt_r1, &fx_iwt_r2, &fx_iwt_r3, &fx_iwt_r4, &fx_iwt_r5, &fx_iwt_r6, &fx_iwt_r7,
|
|
&fx_iwt_r8, &fx_iwt_r9, &fx_iwt_r10, &fx_iwt_r11, &fx_iwt_r12, &fx_iwt_r13, &fx_iwt_r14, &fx_iwt_r15,
|
|
|
|
// ALT1 Table
|
|
|
|
// 00 - 0f
|
|
&fx_stop, &fx_nop, &fx_cache, &fx_lsr, &fx_rol, &fx_bra, &fx_bge, &fx_blt,
|
|
&fx_bne, &fx_beq, &fx_bpl, &fx_bmi, &fx_bcc, &fx_bcs, &fx_bvc, &fx_bvs,
|
|
// 10 - 1f
|
|
&fx_to_r0, &fx_to_r1, &fx_to_r2, &fx_to_r3, &fx_to_r4, &fx_to_r5, &fx_to_r6, &fx_to_r7,
|
|
&fx_to_r8, &fx_to_r9, &fx_to_r10, &fx_to_r11, &fx_to_r12, &fx_to_r13, &fx_to_r14, &fx_to_r15,
|
|
// 20 - 2f
|
|
&fx_with_r0, &fx_with_r1, &fx_with_r2, &fx_with_r3, &fx_with_r4, &fx_with_r5, &fx_with_r6, &fx_with_r7,
|
|
&fx_with_r8, &fx_with_r9, &fx_with_r10, &fx_with_r11, &fx_with_r12, &fx_with_r13, &fx_with_r14, &fx_with_r15,
|
|
// 30 - 3f
|
|
&fx_stb_r0, &fx_stb_r1, &fx_stb_r2, &fx_stb_r3, &fx_stb_r4, &fx_stb_r5, &fx_stb_r6, &fx_stb_r7,
|
|
&fx_stb_r8, &fx_stb_r9, &fx_stb_r10, &fx_stb_r11, &fx_loop, &fx_alt1, &fx_alt2, &fx_alt3,
|
|
// 40 - 4f
|
|
&fx_ldb_r0, &fx_ldb_r1, &fx_ldb_r2, &fx_ldb_r3, &fx_ldb_r4, &fx_ldb_r5, &fx_ldb_r6, &fx_ldb_r7,
|
|
&fx_ldb_r8, &fx_ldb_r9, &fx_ldb_r10, &fx_ldb_r11, &fx_rpix_2bit, &fx_swap, &fx_cmode, &fx_not,
|
|
// 50 - 5f
|
|
&fx_adc_r0, &fx_adc_r1, &fx_adc_r2, &fx_adc_r3, &fx_adc_r4, &fx_adc_r5, &fx_adc_r6, &fx_adc_r7,
|
|
&fx_adc_r8, &fx_adc_r9, &fx_adc_r10, &fx_adc_r11, &fx_adc_r12, &fx_adc_r13, &fx_adc_r14, &fx_adc_r15,
|
|
// 60 - 6f
|
|
&fx_sbc_r0, &fx_sbc_r1, &fx_sbc_r2, &fx_sbc_r3, &fx_sbc_r4, &fx_sbc_r5, &fx_sbc_r6, &fx_sbc_r7,
|
|
&fx_sbc_r8, &fx_sbc_r9, &fx_sbc_r10, &fx_sbc_r11, &fx_sbc_r12, &fx_sbc_r13, &fx_sbc_r14, &fx_sbc_r15,
|
|
// 70 - 7f
|
|
&fx_merge, &fx_bic_r1, &fx_bic_r2, &fx_bic_r3, &fx_bic_r4, &fx_bic_r5, &fx_bic_r6, &fx_bic_r7,
|
|
&fx_bic_r8, &fx_bic_r9, &fx_bic_r10, &fx_bic_r11, &fx_bic_r12, &fx_bic_r13, &fx_bic_r14, &fx_bic_r15,
|
|
// 80 - 8f
|
|
&fx_umult_r0, &fx_umult_r1, &fx_umult_r2, &fx_umult_r3, &fx_umult_r4, &fx_umult_r5, &fx_umult_r6, &fx_umult_r7,
|
|
&fx_umult_r8, &fx_umult_r9, &fx_umult_r10, &fx_umult_r11, &fx_umult_r12, &fx_umult_r13, &fx_umult_r14, &fx_umult_r15,
|
|
// 90 - 9f
|
|
&fx_sbk, &fx_link_i1, &fx_link_i2, &fx_link_i3, &fx_link_i4, &fx_sex, &fx_div2, &fx_ror,
|
|
&fx_ljmp_r8, &fx_ljmp_r9, &fx_ljmp_r10, &fx_ljmp_r11, &fx_ljmp_r12, &fx_ljmp_r13, &fx_lob, &fx_lmult,
|
|
// a0 - af
|
|
&fx_lms_r0, &fx_lms_r1, &fx_lms_r2, &fx_lms_r3, &fx_lms_r4, &fx_lms_r5, &fx_lms_r6, &fx_lms_r7,
|
|
&fx_lms_r8, &fx_lms_r9, &fx_lms_r10, &fx_lms_r11, &fx_lms_r12, &fx_lms_r13, &fx_lms_r14, &fx_lms_r15,
|
|
// b0 - bf
|
|
&fx_from_r0, &fx_from_r1, &fx_from_r2, &fx_from_r3, &fx_from_r4, &fx_from_r5, &fx_from_r6, &fx_from_r7,
|
|
&fx_from_r8, &fx_from_r9, &fx_from_r10, &fx_from_r11, &fx_from_r12, &fx_from_r13, &fx_from_r14, &fx_from_r15,
|
|
// c0 - cf
|
|
&fx_hib, &fx_xor_r1, &fx_xor_r2, &fx_xor_r3, &fx_xor_r4, &fx_xor_r5, &fx_xor_r6, &fx_xor_r7,
|
|
&fx_xor_r8, &fx_xor_r9, &fx_xor_r10, &fx_xor_r11, &fx_xor_r12, &fx_xor_r13, &fx_xor_r14, &fx_xor_r15,
|
|
// d0 - df
|
|
&fx_inc_r0, &fx_inc_r1, &fx_inc_r2, &fx_inc_r3, &fx_inc_r4, &fx_inc_r5, &fx_inc_r6, &fx_inc_r7,
|
|
&fx_inc_r8, &fx_inc_r9, &fx_inc_r10, &fx_inc_r11, &fx_inc_r12, &fx_inc_r13, &fx_inc_r14, &fx_getc,
|
|
// e0 - ef
|
|
&fx_dec_r0, &fx_dec_r1, &fx_dec_r2, &fx_dec_r3, &fx_dec_r4, &fx_dec_r5, &fx_dec_r6, &fx_dec_r7,
|
|
&fx_dec_r8, &fx_dec_r9, &fx_dec_r10, &fx_dec_r11, &fx_dec_r12, &fx_dec_r13, &fx_dec_r14, &fx_getbh,
|
|
// f0 - ff
|
|
&fx_lm_r0, &fx_lm_r1, &fx_lm_r2, &fx_lm_r3, &fx_lm_r4, &fx_lm_r5, &fx_lm_r6, &fx_lm_r7,
|
|
&fx_lm_r8, &fx_lm_r9, &fx_lm_r10, &fx_lm_r11, &fx_lm_r12, &fx_lm_r13, &fx_lm_r14, &fx_lm_r15,
|
|
|
|
// ALT2 Table
|
|
|
|
// 00 - 0f
|
|
&fx_stop, &fx_nop, &fx_cache, &fx_lsr, &fx_rol, &fx_bra, &fx_bge, &fx_blt,
|
|
&fx_bne, &fx_beq, &fx_bpl, &fx_bmi, &fx_bcc, &fx_bcs, &fx_bvc, &fx_bvs,
|
|
// 10 - 1f
|
|
&fx_to_r0, &fx_to_r1, &fx_to_r2, &fx_to_r3, &fx_to_r4, &fx_to_r5, &fx_to_r6, &fx_to_r7,
|
|
&fx_to_r8, &fx_to_r9, &fx_to_r10, &fx_to_r11, &fx_to_r12, &fx_to_r13, &fx_to_r14, &fx_to_r15,
|
|
// 20 - 2f
|
|
&fx_with_r0, &fx_with_r1, &fx_with_r2, &fx_with_r3, &fx_with_r4, &fx_with_r5, &fx_with_r6, &fx_with_r7,
|
|
&fx_with_r8, &fx_with_r9, &fx_with_r10, &fx_with_r11, &fx_with_r12, &fx_with_r13, &fx_with_r14, &fx_with_r15,
|
|
// 30 - 3f
|
|
&fx_stw_r0, &fx_stw_r1, &fx_stw_r2, &fx_stw_r3, &fx_stw_r4, &fx_stw_r5, &fx_stw_r6, &fx_stw_r7,
|
|
&fx_stw_r8, &fx_stw_r9, &fx_stw_r10, &fx_stw_r11, &fx_loop, &fx_alt1, &fx_alt2, &fx_alt3,
|
|
// 40 - 4f
|
|
&fx_ldw_r0, &fx_ldw_r1, &fx_ldw_r2, &fx_ldw_r3, &fx_ldw_r4, &fx_ldw_r5, &fx_ldw_r6, &fx_ldw_r7,
|
|
&fx_ldw_r8, &fx_ldw_r9, &fx_ldw_r10, &fx_ldw_r11, &fx_plot_2bit, &fx_swap, &fx_color, &fx_not,
|
|
// 50 - 5f
|
|
&fx_add_i0, &fx_add_i1, &fx_add_i2, &fx_add_i3, &fx_add_i4, &fx_add_i5, &fx_add_i6, &fx_add_i7,
|
|
&fx_add_i8, &fx_add_i9, &fx_add_i10, &fx_add_i11, &fx_add_i12, &fx_add_i13, &fx_add_i14, &fx_add_i15,
|
|
// 60 - 6f
|
|
&fx_sub_i0, &fx_sub_i1, &fx_sub_i2, &fx_sub_i3, &fx_sub_i4, &fx_sub_i5, &fx_sub_i6, &fx_sub_i7,
|
|
&fx_sub_i8, &fx_sub_i9, &fx_sub_i10, &fx_sub_i11, &fx_sub_i12, &fx_sub_i13, &fx_sub_i14, &fx_sub_i15,
|
|
// 70 - 7f
|
|
&fx_merge, &fx_and_i1, &fx_and_i2, &fx_and_i3, &fx_and_i4, &fx_and_i5, &fx_and_i6, &fx_and_i7,
|
|
&fx_and_i8, &fx_and_i9, &fx_and_i10, &fx_and_i11, &fx_and_i12, &fx_and_i13, &fx_and_i14, &fx_and_i15,
|
|
// 80 - 8f
|
|
&fx_mult_i0, &fx_mult_i1, &fx_mult_i2, &fx_mult_i3, &fx_mult_i4, &fx_mult_i5, &fx_mult_i6, &fx_mult_i7,
|
|
&fx_mult_i8, &fx_mult_i9, &fx_mult_i10, &fx_mult_i11, &fx_mult_i12, &fx_mult_i13, &fx_mult_i14, &fx_mult_i15,
|
|
// 90 - 9f
|
|
&fx_sbk, &fx_link_i1, &fx_link_i2, &fx_link_i3, &fx_link_i4, &fx_sex, &fx_asr, &fx_ror,
|
|
&fx_jmp_r8, &fx_jmp_r9, &fx_jmp_r10, &fx_jmp_r11, &fx_jmp_r12, &fx_jmp_r13, &fx_lob, &fx_fmult,
|
|
// a0 - af
|
|
&fx_sms_r0, &fx_sms_r1, &fx_sms_r2, &fx_sms_r3, &fx_sms_r4, &fx_sms_r5, &fx_sms_r6, &fx_sms_r7,
|
|
&fx_sms_r8, &fx_sms_r9, &fx_sms_r10, &fx_sms_r11, &fx_sms_r12, &fx_sms_r13, &fx_sms_r14, &fx_sms_r15,
|
|
// b0 - bf
|
|
&fx_from_r0, &fx_from_r1, &fx_from_r2, &fx_from_r3, &fx_from_r4, &fx_from_r5, &fx_from_r6, &fx_from_r7,
|
|
&fx_from_r8, &fx_from_r9, &fx_from_r10, &fx_from_r11, &fx_from_r12, &fx_from_r13, &fx_from_r14, &fx_from_r15,
|
|
// c0 - cf
|
|
&fx_hib, &fx_or_i1, &fx_or_i2, &fx_or_i3, &fx_or_i4, &fx_or_i5, &fx_or_i6, &fx_or_i7,
|
|
&fx_or_i8, &fx_or_i9, &fx_or_i10, &fx_or_i11, &fx_or_i12, &fx_or_i13, &fx_or_i14, &fx_or_i15,
|
|
// d0 - df
|
|
&fx_inc_r0, &fx_inc_r1, &fx_inc_r2, &fx_inc_r3, &fx_inc_r4, &fx_inc_r5, &fx_inc_r6, &fx_inc_r7,
|
|
&fx_inc_r8, &fx_inc_r9, &fx_inc_r10, &fx_inc_r11, &fx_inc_r12, &fx_inc_r13, &fx_inc_r14, &fx_ramb,
|
|
// e0 - ef
|
|
&fx_dec_r0, &fx_dec_r1, &fx_dec_r2, &fx_dec_r3, &fx_dec_r4, &fx_dec_r5, &fx_dec_r6, &fx_dec_r7,
|
|
&fx_dec_r8, &fx_dec_r9, &fx_dec_r10, &fx_dec_r11, &fx_dec_r12, &fx_dec_r13, &fx_dec_r14, &fx_getbl,
|
|
// f0 - ff
|
|
&fx_sm_r0, &fx_sm_r1, &fx_sm_r2, &fx_sm_r3, &fx_sm_r4, &fx_sm_r5, &fx_sm_r6, &fx_sm_r7,
|
|
&fx_sm_r8, &fx_sm_r9, &fx_sm_r10, &fx_sm_r11, &fx_sm_r12, &fx_sm_r13, &fx_sm_r14, &fx_sm_r15,
|
|
|
|
// ALT3 Table
|
|
|
|
// 00 - 0f
|
|
&fx_stop, &fx_nop, &fx_cache, &fx_lsr, &fx_rol, &fx_bra, &fx_bge, &fx_blt,
|
|
&fx_bne, &fx_beq, &fx_bpl, &fx_bmi, &fx_bcc, &fx_bcs, &fx_bvc, &fx_bvs,
|
|
// 10 - 1f
|
|
&fx_to_r0, &fx_to_r1, &fx_to_r2, &fx_to_r3, &fx_to_r4, &fx_to_r5, &fx_to_r6, &fx_to_r7,
|
|
&fx_to_r8, &fx_to_r9, &fx_to_r10, &fx_to_r11, &fx_to_r12, &fx_to_r13, &fx_to_r14, &fx_to_r15,
|
|
// 20 - 2f
|
|
&fx_with_r0, &fx_with_r1, &fx_with_r2, &fx_with_r3, &fx_with_r4, &fx_with_r5, &fx_with_r6, &fx_with_r7,
|
|
&fx_with_r8, &fx_with_r9, &fx_with_r10, &fx_with_r11, &fx_with_r12, &fx_with_r13, &fx_with_r14, &fx_with_r15,
|
|
// 30 - 3f
|
|
&fx_stb_r0, &fx_stb_r1, &fx_stb_r2, &fx_stb_r3, &fx_stb_r4, &fx_stb_r5, &fx_stb_r6, &fx_stb_r7,
|
|
&fx_stb_r8, &fx_stb_r9, &fx_stb_r10, &fx_stb_r11, &fx_loop, &fx_alt1, &fx_alt2, &fx_alt3,
|
|
// 40 - 4f
|
|
&fx_ldb_r0, &fx_ldb_r1, &fx_ldb_r2, &fx_ldb_r3, &fx_ldb_r4, &fx_ldb_r5, &fx_ldb_r6, &fx_ldb_r7,
|
|
&fx_ldb_r8, &fx_ldb_r9, &fx_ldb_r10, &fx_ldb_r11, &fx_rpix_2bit, &fx_swap, &fx_cmode, &fx_not,
|
|
// 50 - 5f
|
|
&fx_adc_i0, &fx_adc_i1, &fx_adc_i2, &fx_adc_i3, &fx_adc_i4, &fx_adc_i5, &fx_adc_i6, &fx_adc_i7,
|
|
&fx_adc_i8, &fx_adc_i9, &fx_adc_i10, &fx_adc_i11, &fx_adc_i12, &fx_adc_i13, &fx_adc_i14, &fx_adc_i15,
|
|
// 60 - 6f
|
|
&fx_cmp_r0, &fx_cmp_r1, &fx_cmp_r2, &fx_cmp_r3, &fx_cmp_r4, &fx_cmp_r5, &fx_cmp_r6, &fx_cmp_r7,
|
|
&fx_cmp_r8, &fx_cmp_r9, &fx_cmp_r10, &fx_cmp_r11, &fx_cmp_r12, &fx_cmp_r13, &fx_cmp_r14, &fx_cmp_r15,
|
|
// 70 - 7f
|
|
&fx_merge, &fx_bic_i1, &fx_bic_i2, &fx_bic_i3, &fx_bic_i4, &fx_bic_i5, &fx_bic_i6, &fx_bic_i7,
|
|
&fx_bic_i8, &fx_bic_i9, &fx_bic_i10, &fx_bic_i11, &fx_bic_i12, &fx_bic_i13, &fx_bic_i14, &fx_bic_i15,
|
|
// 80 - 8f
|
|
&fx_umult_i0, &fx_umult_i1, &fx_umult_i2, &fx_umult_i3, &fx_umult_i4, &fx_umult_i5, &fx_umult_i6, &fx_umult_i7,
|
|
&fx_umult_i8, &fx_umult_i9, &fx_umult_i10, &fx_umult_i11, &fx_umult_i12, &fx_umult_i13, &fx_umult_i14, &fx_umult_i15,
|
|
// 90 - 9f
|
|
&fx_sbk, &fx_link_i1, &fx_link_i2, &fx_link_i3, &fx_link_i4, &fx_sex, &fx_div2, &fx_ror,
|
|
&fx_ljmp_r8, &fx_ljmp_r9, &fx_ljmp_r10, &fx_ljmp_r11, &fx_ljmp_r12, &fx_ljmp_r13, &fx_lob, &fx_lmult,
|
|
// a0 - af
|
|
&fx_lms_r0, &fx_lms_r1, &fx_lms_r2, &fx_lms_r3, &fx_lms_r4, &fx_lms_r5, &fx_lms_r6, &fx_lms_r7,
|
|
&fx_lms_r8, &fx_lms_r9, &fx_lms_r10, &fx_lms_r11, &fx_lms_r12, &fx_lms_r13, &fx_lms_r14, &fx_lms_r15,
|
|
// b0 - bf
|
|
&fx_from_r0, &fx_from_r1, &fx_from_r2, &fx_from_r3, &fx_from_r4, &fx_from_r5, &fx_from_r6, &fx_from_r7,
|
|
&fx_from_r8, &fx_from_r9, &fx_from_r10, &fx_from_r11, &fx_from_r12, &fx_from_r13, &fx_from_r14, &fx_from_r15,
|
|
// c0 - cf
|
|
&fx_hib, &fx_xor_i1, &fx_xor_i2, &fx_xor_i3, &fx_xor_i4, &fx_xor_i5, &fx_xor_i6, &fx_xor_i7,
|
|
&fx_xor_i8, &fx_xor_i9, &fx_xor_i10, &fx_xor_i11, &fx_xor_i12, &fx_xor_i13, &fx_xor_i14, &fx_xor_i15,
|
|
// d0 - df
|
|
&fx_inc_r0, &fx_inc_r1, &fx_inc_r2, &fx_inc_r3, &fx_inc_r4, &fx_inc_r5, &fx_inc_r6, &fx_inc_r7,
|
|
&fx_inc_r8, &fx_inc_r9, &fx_inc_r10, &fx_inc_r11, &fx_inc_r12, &fx_inc_r13, &fx_inc_r14, &fx_romb,
|
|
// e0 - ef
|
|
&fx_dec_r0, &fx_dec_r1, &fx_dec_r2, &fx_dec_r3, &fx_dec_r4, &fx_dec_r5, &fx_dec_r6, &fx_dec_r7,
|
|
&fx_dec_r8, &fx_dec_r9, &fx_dec_r10, &fx_dec_r11, &fx_dec_r12, &fx_dec_r13, &fx_dec_r14, &fx_getbs,
|
|
// f0 - ff
|
|
&fx_lm_r0, &fx_lm_r1, &fx_lm_r2, &fx_lm_r3, &fx_lm_r4, &fx_lm_r5, &fx_lm_r6, &fx_lm_r7,
|
|
&fx_lm_r8, &fx_lm_r9, &fx_lm_r10, &fx_lm_r11, &fx_lm_r12, &fx_lm_r13, &fx_lm_r14, &fx_lm_r15
|
|
};
|