From d40ae99422e118188a7f48055dc340c6aca022aa Mon Sep 17 00:00:00 2001 From: Kitty Draper Date: Sat, 5 Mar 2011 21:39:25 -0500 Subject: first commit --- source/dsp4.h | 174 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 174 insertions(+) create mode 100644 source/dsp4.h (limited to 'source/dsp4.h') diff --git a/source/dsp4.h b/source/dsp4.h new file mode 100644 index 0000000..2e7e711 --- /dev/null +++ b/source/dsp4.h @@ -0,0 +1,174 @@ +/******************************************************************************* + Snes9x - Portable Super Nintendo Entertainment System (TM) emulator. + + (c) Copyright 1996 - 2002 Gary Henderson (gary.henderson@ntlworld.com) and + Jerremy Koot (jkoot@snes9x.com) + + (c) Copyright 2001 - 2004 John Weidman (jweidman@slip.net) + + (c) Copyright 2002 - 2004 Brad Jorsch (anomie@users.sourceforge.net), + funkyass (funkyass@spam.shaw.ca), + Joel Yliluoma (http://iki.fi/bisqwit/) + Kris Bleakley (codeviolation@hotmail.com), + Matthew Kendora, + Nach (n-a-c-h@users.sourceforge.net), + Peter Bortas (peter@bortas.org) and + zones (kasumitokoduck@yahoo.com) + + C4 x86 assembler and some C emulation code + (c) Copyright 2000 - 2003 zsKnight (zsknight@zsnes.com), + _Demo_ (_demo_@zsnes.com), and Nach + + C4 C++ code + (c) Copyright 2003 Brad Jorsch + + DSP-1 emulator code + (c) Copyright 1998 - 2004 Ivar (ivar@snes9x.com), _Demo_, Gary Henderson, + John Weidman, neviksti (neviksti@hotmail.com), + Kris Bleakley, Andreas Naive + + DSP-2 emulator code + (c) Copyright 2003 Kris Bleakley, John Weidman, neviksti, Matthew Kendora, and + Lord Nightmare (lord_nightmare@users.sourceforge.net + + OBC1 emulator code + (c) Copyright 2001 - 2004 zsKnight, pagefault (pagefault@zsnes.com) and + Kris Bleakley + Ported from x86 assembler to C by sanmaiwashi + + SPC7110 and RTC C++ emulator code + (c) Copyright 2002 Matthew Kendora with research by + zsKnight, John Weidman, and Dark Force + + S-DD1 C emulator code + (c) Copyright 2003 Brad Jorsch with research by + Andreas Naive and John Weidman + + S-RTC C emulator code + (c) Copyright 2001 John Weidman + + ST010 C++ emulator code + (c) Copyright 2003 Feather, Kris Bleakley, John Weidman and Matthew Kendora + + Super FX x86 assembler emulator code + (c) Copyright 1998 - 2003 zsKnight, _Demo_, and pagefault + + Super FX C emulator code + (c) Copyright 1997 - 1999 Ivar, Gary Henderson and John Weidman + + + SH assembler code partly based on x86 assembler code + (c) Copyright 2002 - 2004 Marcus Comstedt (marcus@mc.pp.se) + + + Specific ports contains the works of other authors. See headers in + individual files. + + Snes9x homepage: http://www.snes9x.com + + Permission to use, copy, modify and distribute Snes9x in both binary and + source form, for non-commercial purposes, is hereby granted without fee, + providing that this license information and copyright notice appear with + all copies and any derived work. + + This software is provided 'as-is', without any express or implied + warranty. In no event shall the authors be held liable for any damages + arising from the use of this software. + + Snes9x is freeware for PERSONAL USE only. Commercial users should + seek permission of the copyright holders first. Commercial use includes + charging money for Snes9x or software derived from Snes9x. + + The copyright holders request that bug fixes and improvements to the code + should be forwarded to them so everyone can benefit from the modifications + in future versions. + + Super NES and Super Nintendo Entertainment System are trademarks of + Nintendo Co., Limited and its subsidiary companies. +*******************************************************************************/ + +#ifndef _DSP4_H_ +#define _DSP4_H_ + +// debug +int block; // current block number +extern int c; + +// op control +int8 DSP4_Logic; // controls op flow + +// projection format +const int16 PLANE_START = 0x7fff; // starting distance + +int16 view_plane; // viewer location +int16 far_plane; // next milestone into screen +int16 segments; // # raster segments to draw +int16 raster; // current raster line + +int16 project_x; // current x-position +int16 project_y; // current y-position + +int16 project_centerx; // x-target of projection +int16 project_centery; // y-target of projection + +int16 project_x1; // current x-distance +int16 project_x1low; // lower 16-bits +int16 project_y1; // current y-distance +int16 project_y1low; // lower 16-bits + +int16 project_x2; // next projected x-distance +int16 project_y2; // next projected y-distance + +int16 project_pitchx; // delta center +int16 project_pitchxlow; // lower 16-bits +int16 project_pitchy; // delta center +int16 project_pitchylow; // lower 16-bits + +int16 project_focalx; // x-point of projection at viewer plane +int16 project_focaly; // y-point of projection at viewer plane + +int16 project_ptr; // data structure pointer + +// render window +int16 center_x; // x-center of viewport +int16 center_y; // y-center of viewport +int16 viewport_left; // x-left of viewport +int16 viewport_right; // x-right of viewport +int16 viewport_top; // y-top of viewport +int16 viewport_bottom; // y-bottom of viewport + +// sprite structure +int16 sprite_x; // projected x-pos of sprite +int16 sprite_y; // projected y-pos of sprite +int16 sprite_offset; // data pointer offset +int8 sprite_type; // vehicle, terrain +bool8 sprite_size; // sprite size: 8x8 or 16x16 + +// path strips +int16 path_clipRight[4]; // value to clip to for x>b +int16 path_clipLeft[4]; // value to clip to for x