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174 lines
6.1 KiB
C
174 lines
6.1 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) and
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Jerremy Koot (jkoot@snes9x.com)
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(c) Copyright 2001 - 2004 John Weidman (jweidman@slip.net)
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(c) Copyright 2002 - 2004 Brad Jorsch (anomie@users.sourceforge.net),
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funkyass (funkyass@spam.shaw.ca),
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Joel Yliluoma (http://iki.fi/bisqwit/)
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Kris Bleakley (codeviolation@hotmail.com),
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Matthew Kendora,
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Nach (n-a-c-h@users.sourceforge.net),
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Peter Bortas (peter@bortas.org) and
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zones (kasumitokoduck@yahoo.com)
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C4 x86 assembler and some C emulation code
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(c) Copyright 2000 - 2003 zsKnight (zsknight@zsnes.com),
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_Demo_ (_demo_@zsnes.com), and Nach
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C4 C++ code
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(c) Copyright 2003 Brad Jorsch
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DSP-1 emulator code
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(c) Copyright 1998 - 2004 Ivar (ivar@snes9x.com), _Demo_, Gary Henderson,
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John Weidman, neviksti (neviksti@hotmail.com),
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Kris Bleakley, Andreas Naive
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DSP-2 emulator code
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(c) Copyright 2003 Kris Bleakley, John Weidman, neviksti, Matthew Kendora, and
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Lord Nightmare (lord_nightmare@users.sourceforge.net
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OBC1 emulator code
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(c) Copyright 2001 - 2004 zsKnight, pagefault (pagefault@zsnes.com) and
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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
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(c) Copyright 2002 Matthew Kendora with research by
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zsKnight, John Weidman, and Dark Force
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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 and John Weidman
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S-RTC C emulator code
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(c) Copyright 2001 John Weidman
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ST010 C++ emulator code
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(c) Copyright 2003 Feather, Kris Bleakley, John Weidman and Matthew Kendora
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Super FX x86 assembler emulator code
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(c) Copyright 1998 - 2003 zsKnight, _Demo_, and pagefault
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Super FX C emulator code
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(c) Copyright 1997 - 1999 Ivar, Gary Henderson and John Weidman
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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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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 distribute Snes9x in both binary and
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source form, for non-commercial purposes, is hereby granted without fee,
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providing that this license information and copyright notice appear with
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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.
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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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charging money for Snes9x or software derived from Snes9x.
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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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#ifndef _DSP4_H_
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#define _DSP4_H_
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// debug
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int block; // current block number
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extern int c;
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// op control
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int8 DSP4_Logic; // controls op flow
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// projection format
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const int16 PLANE_START = 0x7fff; // starting distance
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int16 view_plane; // viewer location
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int16 far_plane; // next milestone into screen
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int16 segments; // # raster segments to draw
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int16 raster; // current raster line
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int16 project_x; // current x-position
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int16 project_y; // current y-position
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int16 project_centerx; // x-target of projection
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int16 project_centery; // y-target of projection
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int16 project_x1; // current x-distance
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int16 project_x1low; // lower 16-bits
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int16 project_y1; // current y-distance
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int16 project_y1low; // lower 16-bits
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int16 project_x2; // next projected x-distance
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int16 project_y2; // next projected y-distance
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int16 project_pitchx; // delta center
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int16 project_pitchxlow; // lower 16-bits
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int16 project_pitchy; // delta center
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int16 project_pitchylow; // lower 16-bits
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int16 project_focalx; // x-point of projection at viewer plane
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int16 project_focaly; // y-point of projection at viewer plane
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int16 project_ptr; // data structure pointer
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// render window
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int16 center_x; // x-center of viewport
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int16 center_y; // y-center of viewport
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int16 viewport_left; // x-left of viewport
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int16 viewport_right; // x-right of viewport
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int16 viewport_top; // y-top of viewport
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int16 viewport_bottom; // y-bottom of viewport
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// sprite structure
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int16 sprite_x; // projected x-pos of sprite
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int16 sprite_y; // projected y-pos of sprite
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int16 sprite_offset; // data pointer offset
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int8 sprite_type; // vehicle, terrain
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bool8 sprite_size; // sprite size: 8x8 or 16x16
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// path strips
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int16 path_clipRight[4]; // value to clip to for x>b
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int16 path_clipLeft[4]; // value to clip to for x<a
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int16 path_pos[4]; // x-positions of lanes
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int16 path_ptr[4]; // data structure pointers
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int16 path_raster[4]; // current raster
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int16 path_top[4]; // viewport_top
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int16 path_y[2]; // current y-position
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int16 path_x[2]; // current focals
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int16 path_plane[2]; // previous plane
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// op09 window sorting
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int16 multi_index1; // index counter
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int16 multi_index2; // index counter
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bool8 op09_mode; // window mode
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// multi-op storage
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int16 multi_focaly[64]; // focal_y values
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int16 multi_farplane[4]; // farthest drawn distance
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int16 multi_raster[4]; // line where track stops
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// OAM
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int8 op06_OAM[32]; // OAM (size,MSB) data
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int8 op06_index; // index into OAM table
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int8 op06_offset; // offset into OAM table
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#endif
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