Play-/Source/COP_FPU.h

#pragma once

#include "MIPSCoprocessor.h"
#include "MIPSReflection.h"

class CCOP_FPU : public CMIPSCoprocessor
{
public:
	CCOP_FPU(MIPS_REGSIZE);
	void CompileInstruction(uint32, CMipsJitter*, CMIPS*, uint32) override;
	void GetInstruction(uint32, char*) override;
	void GetArguments(uint32, uint32, char*) override;
	uint32 GetEffectiveAddress(uint32, uint32) override;
	MIPS_BRANCH_TYPE IsBranch(uint32) override;

protected:
	void SetupReflectionTables();

	static void ReflOpRtFs(MIPSReflection::INSTRUCTION*, CMIPS*, uint32, uint32, char*, unsigned int);
	static void ReflOpRtFcs(MIPSReflection::INSTRUCTION*, CMIPS*, uint32, uint32, char*, unsigned int);
	static void ReflOpFdFs(MIPSReflection::INSTRUCTION*, CMIPS*, uint32, uint32, char*, unsigned int);
	static void ReflOpFdFt(MIPSReflection::INSTRUCTION*, CMIPS*, uint32, uint32, char*, unsigned int);
	static void ReflOpFsFt(MIPSReflection::INSTRUCTION*, CMIPS*, uint32, uint32, char*, unsigned int);
	static void ReflOpCcFsFt(MIPSReflection::INSTRUCTION*, CMIPS*, uint32, uint32, char*, unsigned int);
	static void ReflOpFdFsFt(MIPSReflection::INSTRUCTION*, CMIPS*, uint32, uint32, char*, unsigned int);
	static void ReflOpFtOffRs(MIPSReflection::INSTRUCTION*, CMIPS*, uint32, uint32, char*, unsigned int);
	static void ReflOpCcOff(MIPSReflection::INSTRUCTION*, CMIPS*, uint32, uint32, char*, unsigned int);

	static uint32 ReflEaOffset(MIPSReflection::INSTRUCTION*, CMIPS*, uint32, uint32);

	MIPSReflection::INSTRUCTION m_reflGeneral[64];
	MIPSReflection::INSTRUCTION m_reflCop1[32];
	MIPSReflection::INSTRUCTION m_reflBc1[4];
	MIPSReflection::INSTRUCTION m_reflS[64];
	MIPSReflection::INSTRUCTION m_reflW[64];

	MIPSReflection::SUBTABLE m_reflGeneralTable;
	MIPSReflection::SUBTABLE m_reflCop1Table;
	MIPSReflection::SUBTABLE m_reflBc1Table;
	MIPSReflection::SUBTABLE m_reflSTable;
	MIPSReflection::SUBTABLE m_reflWTable;

private:
	typedef void (CCOP_FPU::*InstructionFuncConstant)();

	uint8 m_ft = 0;
	uint8 m_fs = 0;
	uint8 m_fd = 0;

	static const uint32 m_ccMask[8];

	void SetCCBit(bool, uint32);
	void PushCCBit(uint32);

	static InstructionFuncConstant m_opGeneral[0x20];
	static InstructionFuncConstant m_opSingle[0x40];
	static InstructionFuncConstant m_opWord[0x40];

	//General
	void MFC1();
	void CFC1();
	void MTC1();
	void CTC1();
	void BC1();
	void S();
	void W();

	//Branch
	void BC1F();
	void BC1T();
	void BC1FL();
	void BC1TL();

	//Single
	void ADD_S();
	void SUB_S();
	void MUL_S();
	void DIV_S();
	void SQRT_S();
	void ABS_S();
	void MOV_S();
	void NEG_S();
	void TRUNC_W_S();
	void RSQRT_S();
	void ADDA_S();
	void SUBA_S();
	void MULA_S();
	void MADD_S();
	void MSUB_S();
	void MADDA_S();
	void MSUBA_S();
	void CVT_W_S();
	void MAX_S();
	void MIN_S();
	void C_F_S();
	void C_EQ_S();
	void C_LT_S();
	void C_LE_S();

	//Word
	void CVT_S_W();

	//Misc
	void LWC1();
	void SWC1();

	//Reflection tables
	static MIPSReflection::INSTRUCTION m_cReflGeneral[64];
	static MIPSReflection::INSTRUCTION m_cReflCop1[32];
	static MIPSReflection::INSTRUCTION m_cReflBc1[4];
	static MIPSReflection::INSTRUCTION m_cReflS[64];
	static MIPSReflection::INSTRUCTION m_cReflW[64];
};