mirror of
https://github.com/RetroDECK/Duckstation.git
synced 2024-10-23 23:55:42 +00:00
88 lines
2.6 KiB
C++
88 lines
2.6 KiB
C++
#pragma once
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#include "common/state_wrapper.h"
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#include "gte_types.h"
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namespace GTE {
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class Core
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{
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public:
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Core();
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~Core();
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void Initialize();
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void Reset();
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bool DoState(StateWrapper& sw);
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u32 ReadRegister(u32 index) const { return m_regs.dr32[index]; }
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void WriteRegister(u32 index, u32 value) { m_regs.dr32[index] = value; }
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u32 ReadDataRegister(u32 index) const;
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void WriteDataRegister(u32 index, u32 value);
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u32 ReadControlRegister(u32 index) const;
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void WriteControlRegister(u32 index, u32 value);
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void ExecuteInstruction(Instruction inst);
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private:
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static constexpr s64 MAC0_MIN_VALUE = -(INT64_C(1) << 43);
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static constexpr s64 MAC0_MAX_VALUE = (INT64_C(1) << 43) - 1;
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static constexpr s64 MAC123_MIN_VALUE = -(INT64_C(1) << 43);
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static constexpr s64 MAC123_MAX_VALUE = (INT64_C(1) << 43) - 1;
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static constexpr s32 IR0_MIN_VALUE = 0x0000;
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static constexpr s32 IR0_MAX_VALUE = 0x1000;
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static constexpr s32 IR123_MIN_VALUE = -(INT64_C(1) << 15);
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static constexpr s32 IR123_MAX_VALUE = (INT64_C(1) << 15) - 1;
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template<u32 index>
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s64 TruncateMAC(s64 value);
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template<u32 index>
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s32 TruncateAndSetMAC(s64 value, u8 shift);
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template<u32 index>
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u8 TruncateRGB(s32 value);
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template<u32 index>
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s16 TruncateAndSetIR(s32 value, bool lm);
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void SetMAC(u32 index, s64 value);
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void SetIR(u32 index, s32 value, bool lm);
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void SetOTZ(s32 value);
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void PushSXY(s32 x, s32 y);
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void PushSZ(s32 value);
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void PushRGB(u8 r, u8 g, u8 b, u8 c);
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s64 VecDot(const s16 A[3], const s16 B[3]);
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s64 VecDot(const s16 A[3], s16 B_x, s16 B_y, s16 B_z);
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// 3x3 matrix * 3x1 vector, updates MAC[1-3] and IR[1-3]
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void MulMatVec(const s16 M[3][3], const s16 Vx, const s16 Vy, const s16 Vz, u8 shift, bool lm);
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// 3x3 matrix * 3x1 vector with translation, updates MAC[1-3] and IR[1-3]
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void MulMatVec(const s16 M[3][3], const s32 T[3], const s16 Vx, const s16 Vy, const s16 Vz, u8 shift, bool lm);
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void RTPS(const s16 V[3], bool sf, bool lm);
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void NCCS(const s16 V[3], bool sf, bool lm);
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void NCDS(const s16 V[3], bool sf, bool lm);
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void Execute_RTPS(Instruction inst);
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void Execute_RTPT(Instruction inst);
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void Execute_NCLIP(Instruction inst);
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void Execute_SQR(Instruction inst);
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void Execute_AVSZ3(Instruction inst);
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void Execute_AVSZ4(Instruction inst);
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void Execute_NCCS(Instruction inst);
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void Execute_NCCT(Instruction inst);
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void Execute_NCDS(Instruction inst);
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void Execute_NCDT(Instruction inst);
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void Execute_MVMVA(Instruction inst);
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void Execute_DPCS(Instruction inst);
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Regs m_regs = {};
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};
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#include "gte.inl"
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} // namespace GTE
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