mirror of
https://github.com/libretro/snes9x.git
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448 lines
8.2 KiB
C
448 lines
8.2 KiB
C
/*****************************************************************************\
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Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
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This file is licensed under the Snes9x License.
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For further information, consult the LICENSE file in the root directory.
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\*****************************************************************************/
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#ifndef _DSP1_H_
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#define _DSP1_H_
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enum
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{
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M_DSP1_LOROM_S,
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M_DSP1_LOROM_L,
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M_DSP1_HIROM,
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M_DSP2_LOROM,
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M_DSP3_LOROM,
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M_DSP4_LOROM
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};
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struct SDSP0
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{
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uint32 maptype;
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uint32 boundary;
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};
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struct SDSP1
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{
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bool8 waiting4command;
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bool8 first_parameter;
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uint8 command;
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uint32 in_count;
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uint32 in_index;
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uint32 out_count;
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uint32 out_index;
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uint8 parameters[512];
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uint8 output[512];
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int16 CentreX;
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int16 CentreY;
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int16 VOffset;
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int16 VPlane_C;
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int16 VPlane_E;
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// Azimuth and Zenith angles
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int16 SinAas;
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int16 CosAas;
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int16 SinAzs;
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int16 CosAzs;
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// Clipped Zenith angle
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int16 SinAZS;
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int16 CosAZS;
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int16 SecAZS_C1;
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int16 SecAZS_E1;
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int16 SecAZS_C2;
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int16 SecAZS_E2;
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int16 Nx;
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int16 Ny;
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int16 Nz;
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int16 Gx;
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int16 Gy;
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int16 Gz;
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int16 C_Les;
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int16 E_Les;
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int16 G_Les;
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int16 matrixA[3][3];
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int16 matrixB[3][3];
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int16 matrixC[3][3];
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int16 Op00Multiplicand;
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int16 Op00Multiplier;
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int16 Op00Result;
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int16 Op20Multiplicand;
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int16 Op20Multiplier;
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int16 Op20Result;
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int16 Op10Coefficient;
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int16 Op10Exponent;
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int16 Op10CoefficientR;
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int16 Op10ExponentR;
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int16 Op04Angle;
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int16 Op04Radius;
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int16 Op04Sin;
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int16 Op04Cos;
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int16 Op0CA;
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int16 Op0CX1;
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int16 Op0CY1;
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int16 Op0CX2;
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int16 Op0CY2;
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int16 Op02FX;
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int16 Op02FY;
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int16 Op02FZ;
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int16 Op02LFE;
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int16 Op02LES;
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int16 Op02AAS;
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int16 Op02AZS;
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int16 Op02VOF;
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int16 Op02VVA;
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int16 Op02CX;
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int16 Op02CY;
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int16 Op0AVS;
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int16 Op0AA;
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int16 Op0AB;
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int16 Op0AC;
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int16 Op0AD;
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int16 Op06X;
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int16 Op06Y;
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int16 Op06Z;
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int16 Op06H;
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int16 Op06V;
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int16 Op06M;
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int16 Op01m;
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int16 Op01Zr;
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int16 Op01Xr;
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int16 Op01Yr;
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int16 Op11m;
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int16 Op11Zr;
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int16 Op11Xr;
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int16 Op11Yr;
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int16 Op21m;
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int16 Op21Zr;
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int16 Op21Xr;
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int16 Op21Yr;
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int16 Op0DX;
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int16 Op0DY;
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int16 Op0DZ;
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int16 Op0DF;
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int16 Op0DL;
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int16 Op0DU;
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int16 Op1DX;
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int16 Op1DY;
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int16 Op1DZ;
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int16 Op1DF;
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int16 Op1DL;
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int16 Op1DU;
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int16 Op2DX;
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int16 Op2DY;
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int16 Op2DZ;
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int16 Op2DF;
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int16 Op2DL;
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int16 Op2DU;
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int16 Op03F;
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int16 Op03L;
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int16 Op03U;
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int16 Op03X;
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int16 Op03Y;
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int16 Op03Z;
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int16 Op13F;
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int16 Op13L;
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int16 Op13U;
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int16 Op13X;
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int16 Op13Y;
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int16 Op13Z;
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int16 Op23F;
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int16 Op23L;
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int16 Op23U;
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int16 Op23X;
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int16 Op23Y;
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int16 Op23Z;
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int16 Op14Zr;
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int16 Op14Xr;
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int16 Op14Yr;
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int16 Op14U;
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int16 Op14F;
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int16 Op14L;
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int16 Op14Zrr;
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int16 Op14Xrr;
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int16 Op14Yrr;
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int16 Op0EH;
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int16 Op0EV;
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int16 Op0EX;
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int16 Op0EY;
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int16 Op0BX;
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int16 Op0BY;
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int16 Op0BZ;
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int16 Op0BS;
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int16 Op1BX;
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int16 Op1BY;
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int16 Op1BZ;
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int16 Op1BS;
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int16 Op2BX;
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int16 Op2BY;
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int16 Op2BZ;
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int16 Op2BS;
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int16 Op28X;
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int16 Op28Y;
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int16 Op28Z;
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int16 Op28R;
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int16 Op1CX;
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int16 Op1CY;
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int16 Op1CZ;
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int16 Op1CXBR;
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int16 Op1CYBR;
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int16 Op1CZBR;
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int16 Op1CXAR;
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int16 Op1CYAR;
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int16 Op1CZAR;
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int16 Op1CX1;
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int16 Op1CY1;
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int16 Op1CZ1;
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int16 Op1CX2;
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int16 Op1CY2;
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int16 Op1CZ2;
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uint16 Op0FRamsize;
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uint16 Op0FPass;
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int16 Op2FUnknown;
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int16 Op2FSize;
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int16 Op08X;
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int16 Op08Y;
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int16 Op08Z;
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int16 Op08Ll;
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int16 Op08Lh;
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int16 Op18X;
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int16 Op18Y;
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int16 Op18Z;
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int16 Op18R;
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int16 Op18D;
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int16 Op38X;
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int16 Op38Y;
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int16 Op38Z;
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int16 Op38R;
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int16 Op38D;
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};
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struct SDSP2
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{
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bool8 waiting4command;
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uint8 command;
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uint32 in_count;
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uint32 in_index;
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uint32 out_count;
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uint32 out_index;
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uint8 parameters[512];
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uint8 output[512];
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bool8 Op05HasLen;
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int32 Op05Len;
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uint8 Op05Transparent;
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bool8 Op06HasLen;
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int32 Op06Len;
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uint16 Op09Word1;
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uint16 Op09Word2;
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bool8 Op0DHasLen;
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int32 Op0DOutLen;
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int32 Op0DInLen;
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};
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struct SDSP3
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{
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uint16 DR;
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uint16 SR;
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uint16 MemoryIndex;
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int16 WinLo;
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int16 WinHi;
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int16 AddLo;
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int16 AddHi;
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uint16 Codewords;
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uint16 Outwords;
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uint16 Symbol;
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uint16 BitCount;
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uint16 Index;
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uint16 Codes[512];
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uint16 BitsLeft;
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uint16 ReqBits;
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uint16 ReqData;
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uint16 BitCommand;
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uint8 BaseLength;
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uint16 BaseCodes;
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uint16 BaseCode;
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uint8 CodeLengths[8];
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uint16 CodeOffsets[8];
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uint16 LZCode;
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uint8 LZLength;
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uint16 X;
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uint16 Y;
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uint8 Bitmap[8];
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uint8 Bitplane[8];
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uint16 BMIndex;
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uint16 BPIndex;
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uint16 Count;
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int16 op3e_x;
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int16 op3e_y;
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int16 op1e_terrain[0x2000];
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int16 op1e_cost[0x2000];
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int16 op1e_weight[0x2000];
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int16 op1e_cell;
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int16 op1e_turn;
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int16 op1e_search;
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int16 op1e_x;
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int16 op1e_y;
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int16 op1e_min_radius;
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int16 op1e_max_radius;
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int16 op1e_max_search_radius;
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int16 op1e_max_path_radius;
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int16 op1e_lcv_radius;
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int16 op1e_lcv_steps;
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int16 op1e_lcv_turns;
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};
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struct SDSP4
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{
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bool8 waiting4command;
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bool8 half_command;
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uint16 command;
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uint32 in_count;
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uint32 in_index;
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uint32 out_count;
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uint32 out_index;
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uint8 parameters[512];
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uint8 output[512];
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uint8 byte;
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uint16 address;
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// op control
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int8 Logic; // controls op flow
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// projection format
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int16 lcv; // loop-control variable
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int16 distance; // z-position into virtual world
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int16 raster; // current raster line
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int16 segments; // number of raster lines drawn
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// 1.15.16 or 1.15.0 [sign, integer, fraction]
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int32 world_x; // line of x-projection in world
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int32 world_y; // line of y-projection in world
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int32 world_dx; // projection line x-delta
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int32 world_dy; // projection line y-delta
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int16 world_ddx; // x-delta increment
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int16 world_ddy; // y-delta increment
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int32 world_xenv; // world x-shaping factor
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int16 world_yofs; // world y-vertical scroll
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int16 view_x1; // current viewer-x
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int16 view_y1; // current viewer-y
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int16 view_x2; // future viewer-x
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int16 view_y2; // future viewer-y
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int16 view_dx; // view x-delta factor
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int16 view_dy; // view y-delta factor
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int16 view_xofs1; // current viewer x-vertical scroll
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int16 view_yofs1; // current viewer y-vertical scroll
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int16 view_xofs2; // future viewer x-vertical scroll
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int16 view_yofs2; // future viewer y-vertical scroll
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int16 view_yofsenv; // y-scroll shaping factor
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int16 view_turnoff_x; // road turnoff data
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int16 view_turnoff_dx; // road turnoff delta factor
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// drawing area
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int16 viewport_cx; // x-center of viewport window
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int16 viewport_cy; // y-center of render window
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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_attr; // obj attributes
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bool8 sprite_size; // sprite size: 8x8 or 16x16
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int16 sprite_clipy; // visible line to clip pixels off
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int16 sprite_count;
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// generic projection variables designed for two solid polygons + two polygon sides
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int16 poly_clipLf[2][2]; // left clip boundary
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int16 poly_clipRt[2][2]; // right clip boundary
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int16 poly_ptr[2][2]; // HDMA structure pointers
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int16 poly_raster[2][2]; // current raster line below horizon
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int16 poly_top[2][2]; // top clip boundary
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int16 poly_bottom[2][2]; // bottom clip boundary
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int16 poly_cx[2][2]; // center for left/right points
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int16 poly_start[2]; // current projection points
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int16 poly_plane[2]; // previous z-plane distance
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// OAM
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int16 OAM_attr[16]; // OAM (size, MSB) data
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int16 OAM_index; // index into OAM table
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int16 OAM_bits; // offset into OAM table
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int16 OAM_RowMax; // maximum number of tiles per 8 aligned pixels (row)
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int16 OAM_Row[32]; // current number of tiles per row
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};
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extern struct SDSP0 DSP0;
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extern struct SDSP1 DSP1;
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extern struct SDSP2 DSP2;
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extern struct SDSP3 DSP3;
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extern struct SDSP4 DSP4;
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uint8 S9xGetDSP (uint16);
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void S9xSetDSP (uint8, uint16);
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void S9xResetDSP (void);
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uint8 DSP1GetByte (uint16);
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void DSP1SetByte (uint8, uint16);
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uint8 DSP2GetByte (uint16);
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void DSP2SetByte (uint8, uint16);
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uint8 DSP3GetByte (uint16);
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void DSP3SetByte (uint8, uint16);
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uint8 DSP4GetByte (uint16);
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void DSP4SetByte (uint8, uint16);
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void DSP3_Reset (void);
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extern uint8 (*GetDSP) (uint16);
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extern void (*SetDSP) (uint8, uint16);
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#endif
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