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snes9xgx/source/snes9x/dsp.h
dborth e7d0b3df78 initial port of snes9x 1.52 beta
2009-11-25 06:35:14 +00:00

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/**********************************************************************************
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
(c) Copyright 1996 - 2002 Gary Henderson (gary.henderson@ntlworld.com),
Jerremy Koot (jkoot@snes9x.com)
(c) Copyright 2002 - 2004 Matthew Kendora
(c) Copyright 2002 - 2005 Peter Bortas (peter@bortas.org)
(c) Copyright 2004 - 2005 Joel Yliluoma (http://iki.fi/bisqwit/)
(c) Copyright 2001 - 2006 John Weidman (jweidman@slip.net)
(c) Copyright 2002 - 2006 funkyass (funkyass@spam.shaw.ca),
Kris Bleakley (codeviolation@hotmail.com)
(c) Copyright 2002 - 2007 Brad Jorsch (anomie@users.sourceforge.net),
Nach (n-a-c-h@users.sourceforge.net),
zones (kasumitokoduck@yahoo.com)
(c) Copyright 2006 - 2007 nitsuja
BS-X C emulator code
(c) Copyright 2005 - 2006 Dreamer Nom,
zones
C4 x86 assembler and some C emulation code
(c) Copyright 2000 - 2003 _Demo_ (_demo_@zsnes.com),
Nach,
zsKnight (zsknight@zsnes.com)
C4 C++ code
(c) Copyright 2003 - 2006 Brad Jorsch,
Nach
DSP-1 emulator code
(c) Copyright 1998 - 2006 _Demo_,
Andreas Naive (andreasnaive@gmail.com)
Gary Henderson,
Ivar (ivar@snes9x.com),
John Weidman,
Kris Bleakley,
Matthew Kendora,
Nach,
neviksti (neviksti@hotmail.com)
DSP-2 emulator code
(c) Copyright 2003 John Weidman,
Kris Bleakley,
Lord Nightmare (lord_nightmare@users.sourceforge.net),
Matthew Kendora,
neviksti
DSP-3 emulator code
(c) Copyright 2003 - 2006 John Weidman,
Kris Bleakley,
Lancer,
z80 gaiden
DSP-4 emulator code
(c) Copyright 2004 - 2006 Dreamer Nom,
John Weidman,
Kris Bleakley,
Nach,
z80 gaiden
OBC1 emulator code
(c) Copyright 2001 - 2004 zsKnight,
pagefault (pagefault@zsnes.com),
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,
Dark Force
S-DD1 C emulator code
(c) Copyright 2003 Brad Jorsch with research by
Andreas Naive,
John Weidman
S-RTC C emulator code
(c) Copyright 2001-2006 byuu,
John Weidman
ST010 C++ emulator code
(c) Copyright 2003 Feather,
John Weidman,
Kris Bleakley,
Matthew Kendora
Super FX x86 assembler emulator code
(c) Copyright 1998 - 2003 _Demo_,
pagefault,
zsKnight,
Super FX C emulator code
(c) Copyright 1997 - 1999 Ivar,
Gary Henderson,
John Weidman
Sound DSP emulator code is derived from SNEeSe and OpenSPC:
(c) Copyright 1998 - 2003 Brad Martin
(c) Copyright 1998 - 2006 Charles Bilyue'
SH assembler code partly based on x86 assembler code
(c) Copyright 2002 - 2004 Marcus Comstedt (marcus@mc.pp.se)
2xSaI filter
(c) Copyright 1999 - 2001 Derek Liauw Kie Fa
HQ2x, HQ3x, HQ4x filters
(c) Copyright 2003 Maxim Stepin (maxim@hiend3d.com)
Win32 GUI code
(c) Copyright 2003 - 2006 blip,
funkyass,
Matthew Kendora,
Nach,
nitsuja
Mac OS GUI code
(c) Copyright 1998 - 2001 John Stiles
(c) Copyright 2001 - 2007 zones
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/or 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 or it's derivatives.
Snes9x is freeware for PERSONAL USE only. Commercial users should
seek permission of the copyright holders first. Commercial use includes,
but is not limited to, charging money for Snes9x or software derived from
Snes9x, including Snes9x or derivatives in commercial game bundles, and/or
using Snes9x as a promotion for your commercial product.
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 _DSP1_H_
#define _DSP1_H_
enum
{
M_DSP1_LOROM_S,
M_DSP1_LOROM_L,
M_DSP1_HIROM,
M_DSP2_LOROM,
M_DSP3_LOROM,
M_DSP4_LOROM
};
struct SDSP0
{
uint32 maptype;
uint32 boundary;
};
struct SDSP1
{
bool8 waiting4command;
bool8 first_parameter;
uint8 command;
uint32 in_count;
uint32 in_index;
uint32 out_count;
uint32 out_index;
uint8 parameters[512];
uint8 output[512];
int16 CentreX;
int16 CentreY;
int16 VOffset;
int16 VPlane_C;
int16 VPlane_E;
// Azimuth and Zenith angles
int16 SinAas;
int16 CosAas;
int16 SinAzs;
int16 CosAzs;
// Clipped Zenith angle
int16 SinAZS;
int16 CosAZS;
int16 SecAZS_C1;
int16 SecAZS_E1;
int16 SecAZS_C2;
int16 SecAZS_E2;
int16 Nx;
int16 Ny;
int16 Nz;
int16 Gx;
int16 Gy;
int16 Gz;
int16 C_Les;
int16 E_Les;
int16 G_Les;
int16 matrixA[3][3];
int16 matrixB[3][3];
int16 matrixC[3][3];
int16 Op00Multiplicand;
int16 Op00Multiplier;
int16 Op00Result;
int16 Op20Multiplicand;
int16 Op20Multiplier;
int16 Op20Result;
int16 Op10Coefficient;
int16 Op10Exponent;
int16 Op10CoefficientR;
int16 Op10ExponentR;
int16 Op04Angle;
int16 Op04Radius;
int16 Op04Sin;
int16 Op04Cos;
int16 Op0CA;
int16 Op0CX1;
int16 Op0CY1;
int16 Op0CX2;
int16 Op0CY2;
int16 Op02FX;
int16 Op02FY;
int16 Op02FZ;
int16 Op02LFE;
int16 Op02LES;
int16 Op02AAS;
int16 Op02AZS;
int16 Op02VOF;
int16 Op02VVA;
int16 Op02CX;
int16 Op02CY;
int16 Op0AVS;
int16 Op0AA;
int16 Op0AB;
int16 Op0AC;
int16 Op0AD;
int16 Op06X;
int16 Op06Y;
int16 Op06Z;
int16 Op06H;
int16 Op06V;
int16 Op06M;
int16 Op01m;
int16 Op01Zr;
int16 Op01Xr;
int16 Op01Yr;
int16 Op11m;
int16 Op11Zr;
int16 Op11Xr;
int16 Op11Yr;
int16 Op21m;
int16 Op21Zr;
int16 Op21Xr;
int16 Op21Yr;
int16 Op0DX;
int16 Op0DY;
int16 Op0DZ;
int16 Op0DF;
int16 Op0DL;
int16 Op0DU;
int16 Op1DX;
int16 Op1DY;
int16 Op1DZ;
int16 Op1DF;
int16 Op1DL;
int16 Op1DU;
int16 Op2DX;
int16 Op2DY;
int16 Op2DZ;
int16 Op2DF;
int16 Op2DL;
int16 Op2DU;
int16 Op03F;
int16 Op03L;
int16 Op03U;
int16 Op03X;
int16 Op03Y;
int16 Op03Z;
int16 Op13F;
int16 Op13L;
int16 Op13U;
int16 Op13X;
int16 Op13Y;
int16 Op13Z;
int16 Op23F;
int16 Op23L;
int16 Op23U;
int16 Op23X;
int16 Op23Y;
int16 Op23Z;
int16 Op14Zr;
int16 Op14Xr;
int16 Op14Yr;
int16 Op14U;
int16 Op14F;
int16 Op14L;
int16 Op14Zrr;
int16 Op14Xrr;
int16 Op14Yrr;
int16 Op0EH;
int16 Op0EV;
int16 Op0EX;
int16 Op0EY;
int16 Op0BX;
int16 Op0BY;
int16 Op0BZ;
int16 Op0BS;
int16 Op1BX;
int16 Op1BY;
int16 Op1BZ;
int16 Op1BS;
int16 Op2BX;
int16 Op2BY;
int16 Op2BZ;
int16 Op2BS;
int16 Op28X;
int16 Op28Y;
int16 Op28Z;
int16 Op28R;
int16 Op1CX;
int16 Op1CY;
int16 Op1CZ;
int16 Op1CXBR;
int16 Op1CYBR;
int16 Op1CZBR;
int16 Op1CXAR;
int16 Op1CYAR;
int16 Op1CZAR;
int16 Op1CX1;
int16 Op1CY1;
int16 Op1CZ1;
int16 Op1CX2;
int16 Op1CY2;
int16 Op1CZ2;
uint16 Op0FRamsize;
uint16 Op0FPass;
int16 Op2FUnknown;
int16 Op2FSize;
int16 Op08X;
int16 Op08Y;
int16 Op08Z;
int16 Op08Ll;
int16 Op08Lh;
int16 Op18X;
int16 Op18Y;
int16 Op18Z;
int16 Op18R;
int16 Op18D;
int16 Op38X;
int16 Op38Y;
int16 Op38Z;
int16 Op38R;
int16 Op38D;
};
struct SDSP2
{
bool8 waiting4command;
uint8 command;
uint32 in_count;
uint32 in_index;
uint32 out_count;
uint32 out_index;
uint8 parameters[512];
uint8 output[512];
bool8 Op05HasLen;
int32 Op05Len;
uint8 Op05Transparent;
bool8 Op06HasLen;
int32 Op06Len;
uint16 Op09Word1;
uint16 Op09Word2;
bool8 Op0DHasLen;
int32 Op0DOutLen;
int32 Op0DInLen;
};
struct SDSP3
{
uint16 DR;
uint16 SR;
uint16 MemoryIndex;
int16 WinLo;
int16 WinHi;
int16 AddLo;
int16 AddHi;
uint16 Codewords;
uint16 Outwords;
uint16 Symbol;
uint16 BitCount;
uint16 Index;
uint16 Codes[512];
uint16 BitsLeft;
uint16 ReqBits;
uint16 ReqData;
uint16 BitCommand;
uint8 BaseLength;
uint16 BaseCodes;
uint16 BaseCode;
uint8 CodeLengths[8];
uint16 CodeOffsets[8];
uint16 LZCode;
uint8 LZLength;
uint16 X;
uint16 Y;
uint8 Bitmap[8];
uint8 Bitplane[8];
uint16 BMIndex;
uint16 BPIndex;
uint16 Count;
int16 op3e_x;
int16 op3e_y;
int16 op1e_terrain[0x2000];
int16 op1e_cost[0x2000];
int16 op1e_weight[0x2000];
int16 op1e_cell;
int16 op1e_turn;
int16 op1e_search;
int16 op1e_x;
int16 op1e_y;
int16 op1e_min_radius;
int16 op1e_max_radius;
int16 op1e_max_search_radius;
int16 op1e_max_path_radius;
int16 op1e_lcv_radius;
int16 op1e_lcv_steps;
int16 op1e_lcv_turns;
};
struct SDSP4
{
bool8 waiting4command;
bool8 half_command;
uint16 command;
uint32 in_count;
uint32 in_index;
uint32 out_count;
uint32 out_index;
uint8 parameters[512];
uint8 output[512];
uint8 byte;
uint16 address;
// op control
int8 Logic; // controls op flow
// projection format
int16 lcv; // loop-control variable
int16 distance; // z-position into virtual world
int16 raster; // current raster line
int16 segments; // number of raster lines drawn
// 1.15.16 or 1.15.0 [sign, integer, fraction]
int32 world_x; // line of x-projection in world
int32 world_y; // line of y-projection in world
int32 world_dx; // projection line x-delta
int32 world_dy; // projection line y-delta
int16 world_ddx; // x-delta increment
int16 world_ddy; // y-delta increment
int32 world_xenv; // world x-shaping factor
int16 world_yofs; // world y-vertical scroll
int16 view_x1; // current viewer-x
int16 view_y1; // current viewer-y
int16 view_x2; // future viewer-x
int16 view_y2; // future viewer-y
int16 view_dx; // view x-delta factor
int16 view_dy; // view y-delta factor
int16 view_xofs1; // current viewer x-vertical scroll
int16 view_yofs1; // current viewer y-vertical scroll
int16 view_xofs2; // future viewer x-vertical scroll
int16 view_yofs2; // future viewer y-vertical scroll
int16 view_yofsenv; // y-scroll shaping factor
int16 view_turnoff_x; // road turnoff data
int16 view_turnoff_dx; // road turnoff delta factor
// drawing area
int16 viewport_cx; // x-center of viewport window
int16 viewport_cy; // y-center of render window
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_attr; // obj attributes
bool8 sprite_size; // sprite size: 8x8 or 16x16
int16 sprite_clipy; // visible line to clip pixels off
int16 sprite_count;
// generic projection variables designed for two solid polygons + two polygon sides
int16 poly_clipLf[2][2]; // left clip boundary
int16 poly_clipRt[2][2]; // right clip boundary
int16 poly_ptr[2][2]; // HDMA structure pointers
int16 poly_raster[2][2]; // current raster line below horizon
int16 poly_top[2][2]; // top clip boundary
int16 poly_bottom[2][2]; // bottom clip boundary
int16 poly_cx[2][2]; // center for left/right points
int16 poly_start[2]; // current projection points
int16 poly_plane[2]; // previous z-plane distance
// OAM
int16 OAM_attr[16]; // OAM (size, MSB) data
int16 OAM_index; // index into OAM table
int16 OAM_bits; // offset into OAM table
int16 OAM_RowMax; // maximum number of tiles per 8 aligned pixels (row)
int16 OAM_Row[32]; // current number of tiles per row
};
extern struct SDSP0 DSP0;
extern struct SDSP1 DSP1;
extern struct SDSP2 DSP2;
extern struct SDSP3 DSP3;
extern struct SDSP4 DSP4;
uint8 S9xGetDSP (uint16);
void S9xSetDSP (uint8, uint16);
void S9xResetDSP (void);
uint8 DSP1GetByte (uint16);
void DSP1SetByte (uint8, uint16);
uint8 DSP2GetByte (uint16);
void DSP2SetByte (uint8, uint16);
uint8 DSP3GetByte (uint16);
void DSP3SetByte (uint8, uint16);
uint8 DSP4GetByte (uint16);
void DSP4SetByte (uint8, uint16);
void DSP3_Reset (void);
extern uint8 (*GetDSP) (uint16);
extern void (*SetDSP) (uint8, uint16);
#endif
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