Duckstation/src/core/pgxp.h

/***************************************************************************
 *   Original copyright notice from PGXP code from Beetle PSX.             *
 *   Copyright (C) 2016 by iCatButler                                      *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.           *
 ***************************************************************************/

#pragma once
#include "types.h"

namespace PGXP {

void Initialize();
void Shutdown();

// -- GTE functions
// Transforms
void GTE_PushSXYZ2f(float _x, float _y, float _z, unsigned int _v);
void GTE_PushSXYZ2s(s64 _x, s64 _y, s64 _z, u32 v);
int GTE_NCLIP_valid(u32 sxy0, u32 sxy1, u32 sxy2);
float GTE_NCLIP();

// Data transfer tracking
void CPU_MFC2(u32 instr, u32 rtVal, u32 rdVal); // copy GTE data reg to GPR reg (MFC2)
void CPU_MTC2(u32 instr, u32 rdVal, u32 rtVal); // copy GPR reg to GTE data reg (MTC2)
void CPU_CFC2(u32 instr, u32 rtVal, u32 rdVal); // copy GTE ctrl reg to GPR reg (CFC2)
void CPU_CTC2(u32 instr, u32 rdVal, u32 rtVal); // copy GPR reg to GTE ctrl reg (CTC2)
// Memory Access
void CPU_LWC2(u32 instr, u32 rtVal, u32 addr); // copy memory to GTE reg
void CPU_SWC2(u32 instr, u32 rtVal, u32 addr); // copy GTE reg to memory

bool GetPreciseVertex(u32 addr, u32 value, int x, int y, int xOffs, int yOffs, float* out_x, float* out_y,
                      float* out_w);

// -- CPU functions
void CPU_LW(u32 instr, u32 rtVal, u32 addr);
void CPU_LHx(u32 instr, u32 rtVal, u32 addr);
void CPU_LBx(u32 instr, u32 rtVal, u32 addr);
void CPU_SB(u32 instr, u8 rtVal, u32 addr);
void CPU_SH(u32 instr, u16 rtVal, u32 addr);
void CPU_SW(u32 instr, u32 rtVal, u32 addr);
void CPU_MOVE(u32 rd_and_rs, u32 rsVal);

// Arithmetic with immediate value
void CPU_ADDI(u32 instr, u32 rtVal, u32 rsVal);
void CPU_ADDIU(u32 instr, u32 rtVal, u32 rsVal);
void CPU_ANDI(u32 instr, u32 rtVal, u32 rsVal);
void CPU_ORI(u32 instr, u32 rtVal, u32 rsVal);
void CPU_XORI(u32 instr, u32 rtVal, u32 rsVal);
void CPU_SLTI(u32 instr, u32 rtVal, u32 rsVal);
void CPU_SLTIU(u32 instr, u32 rtVal, u32 rsVal);

// Load Upper
void CPU_LUI(u32 instr, u32 rtVal);

// Register Arithmetic
void CPU_ADD(u32 instr, u32 rdVal, u32 rsVal, u32 rtVal);
void CPU_ADDU(u32 instr, u32 rdVal, u32 rsVal, u32 rtVal);
void CPU_SUB(u32 instr, u32 rdVal, u32 rsVal, u32 rtVal);
void CPU_SUBU(u32 instr, u32 rdVal, u32 rsVal, u32 rtVal);
void CPU_AND_(u32 instr, u32 rdVal, u32 rsVal, u32 rtVal);
void CPU_OR_(u32 instr, u32 rdVal, u32 rsVal, u32 rtVal);
void CPU_XOR_(u32 instr, u32 rdVal, u32 rsVal, u32 rtVal);
void CPU_NOR(u32 instr, u32 rdVal, u32 rsVal, u32 rtVal);
void CPU_SLT(u32 instr, u32 rdVal, u32 rsVal, u32 rtVal);
void CPU_SLTU(u32 instr, u32 rdVal, u32 rsVal, u32 rtVal);

// Register mult/div
void CPU_MULT(u32 instr, u32 hiVal, u32 loVal, u32 rsVal, u32 rtVal);
void CPU_MULTU(u32 instr, u32 hiVal, u32 loVal, u32 rsVal, u32 rtVal);
void CPU_DIV(u32 instr, u32 hiVal, u32 loVal, u32 rsVal, u32 rtVal);
void CPU_DIVU(u32 instr, u32 hiVal, u32 loVal, u32 rsVal, u32 rtVal);

// Shift operations (sa)
void CPU_SLL(u32 instr, u32 rdVal, u32 rtVal);
void CPU_SRL(u32 instr, u32 rdVal, u32 rtVal);
void CPU_SRA(u32 instr, u32 rdVal, u32 rtVal);

// Shift operations variable
void CPU_SLLV(u32 instr, u32 rdVal, u32 rtVal, u32 rsVal);
void CPU_SRLV(u32 instr, u32 rdVal, u32 rtVal, u32 rsVal);
void CPU_SRAV(u32 instr, u32 rdVal, u32 rtVal, u32 rsVal);

// Move registers
void CPU_MFHI(u32 instr, u32 rdVal, u32 hiVal);
void CPU_MTHI(u32 instr, u32 hiVal, u32 rdVal);
void CPU_MFLO(u32 instr, u32 rdVal, u32 loVal);
void CPU_MTLO(u32 instr, u32 loVal, u32 rdVal);

// CP0 Data transfer tracking
void CPU_MFC0(u32 instr, u32 rtVal, u32 rdVal);
void CPU_MTC0(u32 instr, u32 rdVal, u32 rtVal);
void CPU_CFC0(u32 instr, u32 rtVal, u32 rdVal);
void CPU_CTC0(u32 instr, u32 rdVal, u32 rtVal);

} // namespace PGXP