3084 lines
83 KiB
C++
3084 lines
83 KiB
C++
#include "stdafx.h"
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#include <Project64-core/Debugger.h>
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#include <Project64-core/Logging.h>
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#include <Project64-core/N64System/Interpreter/InterpreterCPU.h>
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#include <Project64-core/N64System/Interpreter/InterpreterOps.h>
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#include <Project64-core/N64System/Mips/MemoryVirtualMem.h>
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#include <Project64-core/N64System/Mips/R4300iInstruction.h>
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#include <Project64-core/N64System/Mips/SystemTiming.h>
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#include <Project64-core/N64System/Mips/TLB.h>
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#include <Project64-core/N64System/N64System.h>
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#include <Project64-core/N64System/SystemGlobals.h>
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#include <fenv.h>
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#include <float.h>
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#include <math.h>
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#if (defined(_MSC_VER) && (_MSC_VER < 1800))
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double trunc(double num)
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{
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return (num < 0) ? ceil(num) : floor(num);
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}
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float truncf(float num)
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{
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return (num < 0) ? ceilf(num) : floorf(num);
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}
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#endif
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bool R4300iOp::m_TestTimer = false;
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R4300iOpcode R4300iOp::m_Opcode;
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R4300iOp::Func R4300iOp::Jump_Opcode[64];
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R4300iOp::Func R4300iOp::Jump_Special[64];
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R4300iOp::Func R4300iOp::Jump_Regimm[32];
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R4300iOp::Func R4300iOp::Jump_CoP0[32];
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R4300iOp::Func R4300iOp::Jump_CoP0_Function[64];
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R4300iOp::Func R4300iOp::Jump_CoP1[32];
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R4300iOp::Func R4300iOp::Jump_CoP1_BC[32];
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R4300iOp::Func R4300iOp::Jump_CoP1_S[64];
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R4300iOp::Func R4300iOp::Jump_CoP1_D[64];
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R4300iOp::Func R4300iOp::Jump_CoP1_W[64];
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R4300iOp::Func R4300iOp::Jump_CoP1_L[64];
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const uint32_t R4300iOp::SWL_MASK[4] = {0x00000000, 0xFF000000, 0xFFFF0000, 0xFFFFFF00};
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const uint32_t R4300iOp::SWR_MASK[4] = {0x00FFFFFF, 0x0000FFFF, 0x000000FF, 0x00000000};
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const uint32_t R4300iOp::LWL_MASK[4] = {0x00000000, 0x000000FF, 0x0000FFFF, 0x00FFFFFF};
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const uint32_t R4300iOp::LWR_MASK[4] = {0xFFFFFF00, 0xFFFF0000, 0xFF000000, 0x0000000};
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const int32_t R4300iOp::SWL_SHIFT[4] = {0, 8, 16, 24};
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const int32_t R4300iOp::SWR_SHIFT[4] = {24, 16, 8, 0};
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const int32_t R4300iOp::LWL_SHIFT[4] = {0, 8, 16, 24};
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const int32_t R4300iOp::LWR_SHIFT[4] = {24, 16, 8, 0};
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void R4300iOp::SPECIAL()
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{
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Jump_Special[m_Opcode.funct]();
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}
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void R4300iOp::REGIMM()
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{
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Jump_Regimm[m_Opcode.rt]();
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}
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void R4300iOp::COP0()
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{
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Jump_CoP0[m_Opcode.rs]();
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}
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void R4300iOp::COP0_CO()
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{
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Jump_CoP0_Function[m_Opcode.funct]();
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}
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void R4300iOp::COP1()
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{
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Jump_CoP1[m_Opcode.fmt]();
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}
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void R4300iOp::COP2()
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{
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if ((g_Reg->STATUS_REGISTER & STATUS_CU2) == 0)
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{
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g_Reg->DoCopUnusableException(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP, 2);
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g_System->m_PipelineStage = PIPELINE_STAGE_JUMP;
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g_System->m_JumpToLocation = (*_PROGRAM_COUNTER);
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}
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else
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{
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UnknownOpcode();
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}
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}
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void R4300iOp::COP3()
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{
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if ((g_Reg->STATUS_REGISTER & STATUS_CU3) == 0)
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{
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g_Reg->DoCopUnusableException(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP, 3);
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g_System->m_PipelineStage = PIPELINE_STAGE_JUMP;
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g_System->m_JumpToLocation = (*_PROGRAM_COUNTER);
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}
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else
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{
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UnknownOpcode();
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}
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}
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void R4300iOp::COP1_BC()
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{
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Jump_CoP1_BC[m_Opcode.ft]();
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}
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void R4300iOp::COP1_S()
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{
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fesetround(*_RoundingModel);
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Jump_CoP1_S[m_Opcode.funct]();
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}
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void R4300iOp::COP1_D()
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{
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fesetround(*_RoundingModel);
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Jump_CoP1_D[m_Opcode.funct]();
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}
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void R4300iOp::COP1_W()
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{
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Jump_CoP1_W[m_Opcode.funct]();
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}
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void R4300iOp::COP1_L()
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{
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Jump_CoP1_L[m_Opcode.funct]();
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}
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R4300iOp::Func * R4300iOp::BuildInterpreter()
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{
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Jump_Opcode[0] = SPECIAL;
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Jump_Opcode[1] = REGIMM;
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Jump_Opcode[2] = J;
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Jump_Opcode[3] = JAL;
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Jump_Opcode[4] = BEQ;
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Jump_Opcode[5] = BNE;
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Jump_Opcode[6] = BLEZ;
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Jump_Opcode[7] = BGTZ;
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Jump_Opcode[8] = ADDI;
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Jump_Opcode[9] = ADDIU;
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Jump_Opcode[10] = SLTI;
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Jump_Opcode[11] = SLTIU;
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Jump_Opcode[12] = ANDI;
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Jump_Opcode[13] = ORI;
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Jump_Opcode[14] = XORI;
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Jump_Opcode[15] = LUI;
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Jump_Opcode[16] = COP0;
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Jump_Opcode[17] = COP1;
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Jump_Opcode[18] = COP2;
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Jump_Opcode[19] = COP3;
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Jump_Opcode[20] = BEQL;
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Jump_Opcode[21] = BNEL;
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Jump_Opcode[22] = BLEZL;
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Jump_Opcode[23] = BGTZL;
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Jump_Opcode[24] = DADDI;
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Jump_Opcode[25] = DADDIU;
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Jump_Opcode[26] = LDL;
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Jump_Opcode[27] = LDR;
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Jump_Opcode[28] = UnknownOpcode;
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Jump_Opcode[29] = UnknownOpcode;
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Jump_Opcode[30] = UnknownOpcode;
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Jump_Opcode[31] = ReservedInstruction;
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Jump_Opcode[32] = LB;
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Jump_Opcode[33] = LH;
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Jump_Opcode[34] = LWL;
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Jump_Opcode[35] = LW;
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Jump_Opcode[36] = LBU;
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Jump_Opcode[37] = LHU;
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Jump_Opcode[38] = LWR;
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Jump_Opcode[39] = LWU;
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Jump_Opcode[40] = SB;
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Jump_Opcode[41] = SH;
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Jump_Opcode[42] = SWL;
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Jump_Opcode[43] = SW;
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Jump_Opcode[44] = SDL;
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Jump_Opcode[45] = SDR;
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Jump_Opcode[46] = SWR;
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Jump_Opcode[47] = CACHE;
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Jump_Opcode[48] = LL;
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Jump_Opcode[49] = LWC1;
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Jump_Opcode[50] = UnknownOpcode;
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Jump_Opcode[51] = UnknownOpcode;
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Jump_Opcode[52] = UnknownOpcode;
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Jump_Opcode[53] = LDC1;
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Jump_Opcode[54] = UnknownOpcode;
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Jump_Opcode[55] = LD;
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Jump_Opcode[56] = SC;
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Jump_Opcode[57] = SWC1;
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Jump_Opcode[58] = UnknownOpcode;
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Jump_Opcode[59] = UnknownOpcode;
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Jump_Opcode[60] = UnknownOpcode;
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Jump_Opcode[61] = SDC1;
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Jump_Opcode[62] = UnknownOpcode;
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Jump_Opcode[63] = SD;
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Jump_Special[0] = SPECIAL_SLL;
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Jump_Special[1] = UnknownOpcode;
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Jump_Special[2] = SPECIAL_SRL;
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Jump_Special[3] = SPECIAL_SRA;
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Jump_Special[4] = SPECIAL_SLLV;
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Jump_Special[5] = UnknownOpcode;
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Jump_Special[6] = SPECIAL_SRLV;
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Jump_Special[7] = SPECIAL_SRAV;
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Jump_Special[8] = SPECIAL_JR;
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Jump_Special[9] = SPECIAL_JALR;
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Jump_Special[10] = UnknownOpcode;
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Jump_Special[11] = UnknownOpcode;
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Jump_Special[12] = SPECIAL_SYSCALL;
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Jump_Special[13] = SPECIAL_BREAK;
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Jump_Special[14] = UnknownOpcode;
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Jump_Special[15] = SPECIAL_SYNC;
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Jump_Special[16] = SPECIAL_MFHI;
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Jump_Special[17] = SPECIAL_MTHI;
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Jump_Special[18] = SPECIAL_MFLO;
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Jump_Special[19] = SPECIAL_MTLO;
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Jump_Special[20] = SPECIAL_DSLLV;
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Jump_Special[21] = UnknownOpcode;
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Jump_Special[22] = SPECIAL_DSRLV;
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Jump_Special[23] = SPECIAL_DSRAV;
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Jump_Special[24] = SPECIAL_MULT;
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Jump_Special[25] = SPECIAL_MULTU;
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Jump_Special[26] = SPECIAL_DIV;
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Jump_Special[27] = SPECIAL_DIVU;
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Jump_Special[28] = SPECIAL_DMULT;
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Jump_Special[29] = SPECIAL_DMULTU;
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Jump_Special[30] = SPECIAL_DDIV;
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Jump_Special[31] = SPECIAL_DDIVU;
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Jump_Special[32] = SPECIAL_ADD;
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Jump_Special[33] = SPECIAL_ADDU;
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Jump_Special[34] = SPECIAL_SUB;
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Jump_Special[35] = SPECIAL_SUBU;
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Jump_Special[36] = SPECIAL_AND;
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Jump_Special[37] = SPECIAL_OR;
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Jump_Special[38] = SPECIAL_XOR;
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Jump_Special[39] = SPECIAL_NOR;
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Jump_Special[40] = UnknownOpcode;
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Jump_Special[41] = UnknownOpcode;
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Jump_Special[42] = SPECIAL_SLT;
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Jump_Special[43] = SPECIAL_SLTU;
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Jump_Special[44] = SPECIAL_DADD;
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Jump_Special[45] = SPECIAL_DADDU;
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Jump_Special[46] = SPECIAL_DSUB;
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Jump_Special[47] = SPECIAL_DSUBU;
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Jump_Special[48] = SPECIAL_TGE;
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Jump_Special[49] = SPECIAL_TGEU;
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Jump_Special[50] = SPECIAL_TLT;
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Jump_Special[51] = SPECIAL_TLTU;
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Jump_Special[52] = SPECIAL_TEQ;
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Jump_Special[53] = UnknownOpcode;
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Jump_Special[54] = SPECIAL_TNE;
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Jump_Special[55] = UnknownOpcode;
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Jump_Special[56] = SPECIAL_DSLL;
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Jump_Special[57] = UnknownOpcode;
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Jump_Special[58] = SPECIAL_DSRL;
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Jump_Special[59] = SPECIAL_DSRA;
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Jump_Special[60] = SPECIAL_DSLL32;
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Jump_Special[61] = UnknownOpcode;
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Jump_Special[62] = SPECIAL_DSRL32;
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Jump_Special[63] = SPECIAL_DSRA32;
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Jump_Regimm[0] = REGIMM_BLTZ;
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Jump_Regimm[1] = REGIMM_BGEZ;
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Jump_Regimm[2] = REGIMM_BLTZL;
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Jump_Regimm[3] = REGIMM_BGEZL;
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Jump_Regimm[4] = UnknownOpcode;
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Jump_Regimm[5] = UnknownOpcode;
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Jump_Regimm[6] = UnknownOpcode;
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Jump_Regimm[7] = UnknownOpcode;
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Jump_Regimm[8] = REGIMM_TGEI;
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Jump_Regimm[9] = REGIMM_TGEIU;
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Jump_Regimm[10] = REGIMM_TLTI;
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Jump_Regimm[11] = REGIMM_TLTIU;
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Jump_Regimm[12] = REGIMM_TEQI;
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Jump_Regimm[13] = UnknownOpcode;
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Jump_Regimm[14] = REGIMM_TNEI;
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Jump_Regimm[15] = UnknownOpcode;
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Jump_Regimm[16] = REGIMM_BLTZAL;
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Jump_Regimm[17] = REGIMM_BGEZAL;
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Jump_Regimm[18] = UnknownOpcode;
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Jump_Regimm[19] = REGIMM_BGEZALL;
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Jump_Regimm[20] = UnknownOpcode;
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Jump_Regimm[21] = UnknownOpcode;
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Jump_Regimm[22] = UnknownOpcode;
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Jump_Regimm[23] = UnknownOpcode;
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Jump_Regimm[24] = UnknownOpcode;
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Jump_Regimm[25] = UnknownOpcode;
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Jump_Regimm[26] = UnknownOpcode;
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Jump_Regimm[27] = UnknownOpcode;
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Jump_Regimm[28] = UnknownOpcode;
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Jump_Regimm[29] = UnknownOpcode;
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Jump_Regimm[30] = UnknownOpcode;
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Jump_Regimm[31] = UnknownOpcode;
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Jump_CoP0[0] = COP0_MF;
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Jump_CoP0[1] = COP0_DMF;
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Jump_CoP0[2] = UnknownOpcode;
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Jump_CoP0[3] = UnknownOpcode;
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Jump_CoP0[4] = COP0_MT;
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Jump_CoP0[5] = COP0_DMT;
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Jump_CoP0[6] = UnknownOpcode;
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Jump_CoP0[7] = UnknownOpcode;
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Jump_CoP0[8] = UnknownOpcode;
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Jump_CoP0[9] = UnknownOpcode;
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Jump_CoP0[10] = UnknownOpcode;
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Jump_CoP0[11] = UnknownOpcode;
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Jump_CoP0[12] = UnknownOpcode;
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Jump_CoP0[13] = UnknownOpcode;
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Jump_CoP0[14] = UnknownOpcode;
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Jump_CoP0[15] = UnknownOpcode;
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Jump_CoP0[16] = COP0_CO;
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Jump_CoP0[17] = COP0_CO;
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Jump_CoP0[18] = COP0_CO;
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Jump_CoP0[19] = COP0_CO;
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Jump_CoP0[20] = COP0_CO;
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Jump_CoP0[21] = COP0_CO;
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Jump_CoP0[22] = COP0_CO;
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Jump_CoP0[23] = COP0_CO;
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Jump_CoP0[24] = COP0_CO;
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Jump_CoP0[25] = COP0_CO;
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Jump_CoP0[26] = COP0_CO;
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Jump_CoP0[27] = COP0_CO;
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Jump_CoP0[28] = COP0_CO;
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Jump_CoP0[29] = COP0_CO;
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Jump_CoP0[30] = COP0_CO;
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Jump_CoP0[31] = COP0_CO;
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Jump_CoP0_Function[0] = UnknownOpcode;
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Jump_CoP0_Function[1] = COP0_CO_TLBR;
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Jump_CoP0_Function[2] = COP0_CO_TLBWI;
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Jump_CoP0_Function[3] = UnknownOpcode;
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Jump_CoP0_Function[4] = UnknownOpcode;
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Jump_CoP0_Function[5] = UnknownOpcode;
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Jump_CoP0_Function[6] = COP0_CO_TLBWR;
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Jump_CoP0_Function[7] = UnknownOpcode;
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Jump_CoP0_Function[8] = COP0_CO_TLBP;
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Jump_CoP0_Function[9] = UnknownOpcode;
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Jump_CoP0_Function[10] = UnknownOpcode;
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Jump_CoP0_Function[11] = UnknownOpcode;
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Jump_CoP0_Function[12] = UnknownOpcode;
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Jump_CoP0_Function[13] = UnknownOpcode;
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Jump_CoP0_Function[14] = UnknownOpcode;
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Jump_CoP0_Function[15] = UnknownOpcode;
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Jump_CoP0_Function[16] = UnknownOpcode;
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Jump_CoP0_Function[17] = UnknownOpcode;
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Jump_CoP0_Function[18] = UnknownOpcode;
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Jump_CoP0_Function[19] = UnknownOpcode;
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Jump_CoP0_Function[20] = UnknownOpcode;
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Jump_CoP0_Function[21] = UnknownOpcode;
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Jump_CoP0_Function[22] = UnknownOpcode;
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Jump_CoP0_Function[23] = UnknownOpcode;
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Jump_CoP0_Function[24] = COP0_CO_ERET;
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Jump_CoP0_Function[25] = UnknownOpcode;
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Jump_CoP0_Function[26] = UnknownOpcode;
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Jump_CoP0_Function[27] = UnknownOpcode;
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Jump_CoP0_Function[28] = UnknownOpcode;
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Jump_CoP0_Function[29] = UnknownOpcode;
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Jump_CoP0_Function[30] = UnknownOpcode;
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Jump_CoP0_Function[31] = UnknownOpcode;
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Jump_CoP0_Function[32] = UnknownOpcode;
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Jump_CoP0_Function[33] = UnknownOpcode;
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Jump_CoP0_Function[34] = UnknownOpcode;
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Jump_CoP0_Function[35] = UnknownOpcode;
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Jump_CoP0_Function[36] = UnknownOpcode;
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Jump_CoP0_Function[37] = UnknownOpcode;
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Jump_CoP0_Function[38] = UnknownOpcode;
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Jump_CoP0_Function[39] = UnknownOpcode;
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Jump_CoP0_Function[40] = UnknownOpcode;
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Jump_CoP0_Function[41] = UnknownOpcode;
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Jump_CoP0_Function[42] = UnknownOpcode;
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Jump_CoP0_Function[43] = UnknownOpcode;
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Jump_CoP0_Function[44] = UnknownOpcode;
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Jump_CoP0_Function[45] = UnknownOpcode;
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Jump_CoP0_Function[46] = UnknownOpcode;
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Jump_CoP0_Function[47] = UnknownOpcode;
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Jump_CoP0_Function[48] = UnknownOpcode;
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Jump_CoP0_Function[49] = UnknownOpcode;
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Jump_CoP0_Function[50] = UnknownOpcode;
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Jump_CoP0_Function[51] = UnknownOpcode;
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Jump_CoP0_Function[52] = UnknownOpcode;
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Jump_CoP0_Function[53] = UnknownOpcode;
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Jump_CoP0_Function[54] = UnknownOpcode;
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Jump_CoP0_Function[55] = UnknownOpcode;
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Jump_CoP0_Function[56] = UnknownOpcode;
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Jump_CoP0_Function[57] = UnknownOpcode;
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Jump_CoP0_Function[58] = UnknownOpcode;
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Jump_CoP0_Function[59] = UnknownOpcode;
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Jump_CoP0_Function[60] = UnknownOpcode;
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Jump_CoP0_Function[61] = UnknownOpcode;
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Jump_CoP0_Function[62] = UnknownOpcode;
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Jump_CoP0_Function[63] = UnknownOpcode;
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Jump_CoP1[0] = COP1_MF;
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Jump_CoP1[1] = COP1_DMF;
|
|
Jump_CoP1[2] = COP1_CF;
|
|
Jump_CoP1[3] = UnknownOpcode;
|
|
Jump_CoP1[4] = COP1_MT;
|
|
Jump_CoP1[5] = COP1_DMT;
|
|
Jump_CoP1[6] = COP1_CT;
|
|
Jump_CoP1[7] = UnknownOpcode;
|
|
Jump_CoP1[8] = COP1_BC;
|
|
Jump_CoP1[9] = UnknownOpcode;
|
|
Jump_CoP1[10] = UnknownOpcode;
|
|
Jump_CoP1[11] = UnknownOpcode;
|
|
Jump_CoP1[12] = UnknownOpcode;
|
|
Jump_CoP1[13] = UnknownOpcode;
|
|
Jump_CoP1[14] = UnknownOpcode;
|
|
Jump_CoP1[15] = UnknownOpcode;
|
|
Jump_CoP1[16] = COP1_S;
|
|
Jump_CoP1[17] = COP1_D;
|
|
Jump_CoP1[18] = UnknownOpcode;
|
|
Jump_CoP1[19] = UnknownOpcode;
|
|
Jump_CoP1[20] = COP1_W;
|
|
Jump_CoP1[21] = COP1_L;
|
|
Jump_CoP1[22] = UnknownOpcode;
|
|
Jump_CoP1[23] = UnknownOpcode;
|
|
Jump_CoP1[24] = UnknownOpcode;
|
|
Jump_CoP1[25] = UnknownOpcode;
|
|
Jump_CoP1[26] = UnknownOpcode;
|
|
Jump_CoP1[27] = UnknownOpcode;
|
|
Jump_CoP1[28] = UnknownOpcode;
|
|
Jump_CoP1[29] = UnknownOpcode;
|
|
Jump_CoP1[30] = UnknownOpcode;
|
|
Jump_CoP1[31] = UnknownOpcode;
|
|
|
|
Jump_CoP1_BC[0] = COP1_BCF;
|
|
Jump_CoP1_BC[1] = COP1_BCT;
|
|
Jump_CoP1_BC[2] = COP1_BCFL;
|
|
Jump_CoP1_BC[3] = COP1_BCTL;
|
|
Jump_CoP1_BC[4] = UnknownOpcode;
|
|
Jump_CoP1_BC[5] = UnknownOpcode;
|
|
Jump_CoP1_BC[6] = UnknownOpcode;
|
|
Jump_CoP1_BC[7] = UnknownOpcode;
|
|
Jump_CoP1_BC[8] = UnknownOpcode;
|
|
Jump_CoP1_BC[9] = UnknownOpcode;
|
|
Jump_CoP1_BC[10] = UnknownOpcode;
|
|
Jump_CoP1_BC[11] = UnknownOpcode;
|
|
Jump_CoP1_BC[12] = UnknownOpcode;
|
|
Jump_CoP1_BC[13] = UnknownOpcode;
|
|
Jump_CoP1_BC[14] = UnknownOpcode;
|
|
Jump_CoP1_BC[15] = UnknownOpcode;
|
|
Jump_CoP1_BC[16] = UnknownOpcode;
|
|
Jump_CoP1_BC[17] = UnknownOpcode;
|
|
Jump_CoP1_BC[18] = UnknownOpcode;
|
|
Jump_CoP1_BC[19] = UnknownOpcode;
|
|
Jump_CoP1_BC[20] = UnknownOpcode;
|
|
Jump_CoP1_BC[21] = UnknownOpcode;
|
|
Jump_CoP1_BC[22] = UnknownOpcode;
|
|
Jump_CoP1_BC[23] = UnknownOpcode;
|
|
Jump_CoP1_BC[24] = UnknownOpcode;
|
|
Jump_CoP1_BC[25] = UnknownOpcode;
|
|
Jump_CoP1_BC[26] = UnknownOpcode;
|
|
Jump_CoP1_BC[27] = UnknownOpcode;
|
|
Jump_CoP1_BC[28] = UnknownOpcode;
|
|
Jump_CoP1_BC[29] = UnknownOpcode;
|
|
Jump_CoP1_BC[30] = UnknownOpcode;
|
|
Jump_CoP1_BC[31] = UnknownOpcode;
|
|
|
|
Jump_CoP1_S[0] = COP1_S_ADD;
|
|
Jump_CoP1_S[1] = COP1_S_SUB;
|
|
Jump_CoP1_S[2] = COP1_S_MUL;
|
|
Jump_CoP1_S[3] = COP1_S_DIV;
|
|
Jump_CoP1_S[4] = COP1_S_SQRT;
|
|
Jump_CoP1_S[5] = COP1_S_ABS;
|
|
Jump_CoP1_S[6] = COP1_S_MOV;
|
|
Jump_CoP1_S[7] = COP1_S_NEG;
|
|
Jump_CoP1_S[8] = COP1_S_ROUND_L;
|
|
Jump_CoP1_S[9] = COP1_S_TRUNC_L;
|
|
Jump_CoP1_S[10] = COP1_S_CEIL_L;
|
|
Jump_CoP1_S[11] = COP1_S_FLOOR_L;
|
|
Jump_CoP1_S[12] = COP1_S_ROUND_W;
|
|
Jump_CoP1_S[13] = COP1_S_TRUNC_W;
|
|
Jump_CoP1_S[14] = COP1_S_CEIL_W;
|
|
Jump_CoP1_S[15] = COP1_S_FLOOR_W;
|
|
Jump_CoP1_S[16] = UnknownOpcode;
|
|
Jump_CoP1_S[17] = UnknownOpcode;
|
|
Jump_CoP1_S[18] = UnknownOpcode;
|
|
Jump_CoP1_S[19] = UnknownOpcode;
|
|
Jump_CoP1_S[20] = UnknownOpcode;
|
|
Jump_CoP1_S[21] = UnknownOpcode;
|
|
Jump_CoP1_S[22] = UnknownOpcode;
|
|
Jump_CoP1_S[23] = UnknownOpcode;
|
|
Jump_CoP1_S[24] = UnknownOpcode;
|
|
Jump_CoP1_S[25] = UnknownOpcode;
|
|
Jump_CoP1_S[26] = UnknownOpcode;
|
|
Jump_CoP1_S[27] = UnknownOpcode;
|
|
Jump_CoP1_S[28] = UnknownOpcode;
|
|
Jump_CoP1_S[29] = UnknownOpcode;
|
|
Jump_CoP1_S[30] = UnknownOpcode;
|
|
Jump_CoP1_S[31] = UnknownOpcode;
|
|
Jump_CoP1_S[32] = UnknownOpcode;
|
|
Jump_CoP1_S[33] = COP1_S_CVT_D;
|
|
Jump_CoP1_S[34] = UnknownOpcode;
|
|
Jump_CoP1_S[35] = UnknownOpcode;
|
|
Jump_CoP1_S[36] = COP1_S_CVT_W;
|
|
Jump_CoP1_S[37] = COP1_S_CVT_L;
|
|
Jump_CoP1_S[38] = UnknownOpcode;
|
|
Jump_CoP1_S[39] = UnknownOpcode;
|
|
Jump_CoP1_S[40] = UnknownOpcode;
|
|
Jump_CoP1_S[41] = UnknownOpcode;
|
|
Jump_CoP1_S[42] = UnknownOpcode;
|
|
Jump_CoP1_S[43] = UnknownOpcode;
|
|
Jump_CoP1_S[44] = UnknownOpcode;
|
|
Jump_CoP1_S[45] = UnknownOpcode;
|
|
Jump_CoP1_S[46] = UnknownOpcode;
|
|
Jump_CoP1_S[47] = UnknownOpcode;
|
|
Jump_CoP1_S[48] = COP1_S_CMP;
|
|
Jump_CoP1_S[49] = COP1_S_CMP;
|
|
Jump_CoP1_S[50] = COP1_S_CMP;
|
|
Jump_CoP1_S[51] = COP1_S_CMP;
|
|
Jump_CoP1_S[52] = COP1_S_CMP;
|
|
Jump_CoP1_S[53] = COP1_S_CMP;
|
|
Jump_CoP1_S[54] = COP1_S_CMP;
|
|
Jump_CoP1_S[55] = COP1_S_CMP;
|
|
Jump_CoP1_S[56] = COP1_S_CMP;
|
|
Jump_CoP1_S[57] = COP1_S_CMP;
|
|
Jump_CoP1_S[58] = COP1_S_CMP;
|
|
Jump_CoP1_S[59] = COP1_S_CMP;
|
|
Jump_CoP1_S[60] = COP1_S_CMP;
|
|
Jump_CoP1_S[61] = COP1_S_CMP;
|
|
Jump_CoP1_S[62] = COP1_S_CMP;
|
|
Jump_CoP1_S[63] = COP1_S_CMP;
|
|
|
|
Jump_CoP1_D[0] = COP1_D_ADD;
|
|
Jump_CoP1_D[1] = COP1_D_SUB;
|
|
Jump_CoP1_D[2] = COP1_D_MUL;
|
|
Jump_CoP1_D[3] = COP1_D_DIV;
|
|
Jump_CoP1_D[4] = COP1_D_SQRT;
|
|
Jump_CoP1_D[5] = COP1_D_ABS;
|
|
Jump_CoP1_D[6] = COP1_D_MOV;
|
|
Jump_CoP1_D[7] = COP1_D_NEG;
|
|
Jump_CoP1_D[8] = COP1_D_ROUND_L;
|
|
Jump_CoP1_D[9] = COP1_D_TRUNC_L;
|
|
Jump_CoP1_D[10] = COP1_D_CEIL_L;
|
|
Jump_CoP1_D[11] = COP1_D_FLOOR_L;
|
|
Jump_CoP1_D[12] = COP1_D_ROUND_W;
|
|
Jump_CoP1_D[13] = COP1_D_TRUNC_W;
|
|
Jump_CoP1_D[14] = COP1_D_CEIL_W;
|
|
Jump_CoP1_D[15] = COP1_D_FLOOR_W;
|
|
Jump_CoP1_D[16] = UnknownOpcode;
|
|
Jump_CoP1_D[17] = UnknownOpcode;
|
|
Jump_CoP1_D[18] = UnknownOpcode;
|
|
Jump_CoP1_D[19] = UnknownOpcode;
|
|
Jump_CoP1_D[20] = UnknownOpcode;
|
|
Jump_CoP1_D[21] = UnknownOpcode;
|
|
Jump_CoP1_D[22] = UnknownOpcode;
|
|
Jump_CoP1_D[23] = UnknownOpcode;
|
|
Jump_CoP1_D[24] = UnknownOpcode;
|
|
Jump_CoP1_D[25] = UnknownOpcode;
|
|
Jump_CoP1_D[26] = UnknownOpcode;
|
|
Jump_CoP1_D[27] = UnknownOpcode;
|
|
Jump_CoP1_D[28] = UnknownOpcode;
|
|
Jump_CoP1_D[29] = UnknownOpcode;
|
|
Jump_CoP1_D[30] = UnknownOpcode;
|
|
Jump_CoP1_D[31] = UnknownOpcode;
|
|
Jump_CoP1_D[32] = COP1_D_CVT_S;
|
|
Jump_CoP1_D[33] = UnknownOpcode;
|
|
Jump_CoP1_D[34] = UnknownOpcode;
|
|
Jump_CoP1_D[35] = UnknownOpcode;
|
|
Jump_CoP1_D[36] = COP1_D_CVT_W;
|
|
Jump_CoP1_D[37] = COP1_D_CVT_L;
|
|
Jump_CoP1_D[38] = UnknownOpcode;
|
|
Jump_CoP1_D[39] = UnknownOpcode;
|
|
Jump_CoP1_D[40] = UnknownOpcode;
|
|
Jump_CoP1_D[41] = UnknownOpcode;
|
|
Jump_CoP1_D[42] = UnknownOpcode;
|
|
Jump_CoP1_D[43] = UnknownOpcode;
|
|
Jump_CoP1_D[44] = UnknownOpcode;
|
|
Jump_CoP1_D[45] = UnknownOpcode;
|
|
Jump_CoP1_D[46] = UnknownOpcode;
|
|
Jump_CoP1_D[47] = UnknownOpcode;
|
|
Jump_CoP1_D[48] = COP1_D_CMP;
|
|
Jump_CoP1_D[49] = COP1_D_CMP;
|
|
Jump_CoP1_D[50] = COP1_D_CMP;
|
|
Jump_CoP1_D[51] = COP1_D_CMP;
|
|
Jump_CoP1_D[52] = COP1_D_CMP;
|
|
Jump_CoP1_D[53] = COP1_D_CMP;
|
|
Jump_CoP1_D[54] = COP1_D_CMP;
|
|
Jump_CoP1_D[55] = COP1_D_CMP;
|
|
Jump_CoP1_D[56] = COP1_D_CMP;
|
|
Jump_CoP1_D[57] = COP1_D_CMP;
|
|
Jump_CoP1_D[58] = COP1_D_CMP;
|
|
Jump_CoP1_D[59] = COP1_D_CMP;
|
|
Jump_CoP1_D[60] = COP1_D_CMP;
|
|
Jump_CoP1_D[61] = COP1_D_CMP;
|
|
Jump_CoP1_D[62] = COP1_D_CMP;
|
|
Jump_CoP1_D[63] = COP1_D_CMP;
|
|
|
|
Jump_CoP1_W[0] = UnknownOpcode;
|
|
Jump_CoP1_W[1] = UnknownOpcode;
|
|
Jump_CoP1_W[2] = UnknownOpcode;
|
|
Jump_CoP1_W[3] = UnknownOpcode;
|
|
Jump_CoP1_W[4] = UnknownOpcode;
|
|
Jump_CoP1_W[5] = UnknownOpcode;
|
|
Jump_CoP1_W[6] = UnknownOpcode;
|
|
Jump_CoP1_W[7] = UnknownOpcode;
|
|
Jump_CoP1_W[8] = UnknownOpcode;
|
|
Jump_CoP1_W[9] = UnknownOpcode;
|
|
Jump_CoP1_W[10] = UnknownOpcode;
|
|
Jump_CoP1_W[11] = UnknownOpcode;
|
|
Jump_CoP1_W[12] = UnknownOpcode;
|
|
Jump_CoP1_W[13] = UnknownOpcode;
|
|
Jump_CoP1_W[14] = UnknownOpcode;
|
|
Jump_CoP1_W[15] = UnknownOpcode;
|
|
Jump_CoP1_W[16] = UnknownOpcode;
|
|
Jump_CoP1_W[17] = UnknownOpcode;
|
|
Jump_CoP1_W[18] = UnknownOpcode;
|
|
Jump_CoP1_W[19] = UnknownOpcode;
|
|
Jump_CoP1_W[20] = UnknownOpcode;
|
|
Jump_CoP1_W[21] = UnknownOpcode;
|
|
Jump_CoP1_W[22] = UnknownOpcode;
|
|
Jump_CoP1_W[23] = UnknownOpcode;
|
|
Jump_CoP1_W[24] = UnknownOpcode;
|
|
Jump_CoP1_W[25] = UnknownOpcode;
|
|
Jump_CoP1_W[26] = UnknownOpcode;
|
|
Jump_CoP1_W[27] = UnknownOpcode;
|
|
Jump_CoP1_W[28] = UnknownOpcode;
|
|
Jump_CoP1_W[29] = UnknownOpcode;
|
|
Jump_CoP1_W[30] = UnknownOpcode;
|
|
Jump_CoP1_W[31] = UnknownOpcode;
|
|
Jump_CoP1_W[32] = COP1_W_CVT_S;
|
|
Jump_CoP1_W[33] = COP1_W_CVT_D;
|
|
Jump_CoP1_W[34] = UnknownOpcode;
|
|
Jump_CoP1_W[35] = UnknownOpcode;
|
|
Jump_CoP1_W[36] = UnknownOpcode;
|
|
Jump_CoP1_W[37] = UnknownOpcode;
|
|
Jump_CoP1_W[38] = UnknownOpcode;
|
|
Jump_CoP1_W[39] = UnknownOpcode;
|
|
Jump_CoP1_W[40] = UnknownOpcode;
|
|
Jump_CoP1_W[41] = UnknownOpcode;
|
|
Jump_CoP1_W[42] = UnknownOpcode;
|
|
Jump_CoP1_W[43] = UnknownOpcode;
|
|
Jump_CoP1_W[44] = UnknownOpcode;
|
|
Jump_CoP1_W[45] = UnknownOpcode;
|
|
Jump_CoP1_W[46] = UnknownOpcode;
|
|
Jump_CoP1_W[47] = UnknownOpcode;
|
|
Jump_CoP1_W[48] = UnknownOpcode;
|
|
Jump_CoP1_W[49] = UnknownOpcode;
|
|
Jump_CoP1_W[50] = UnknownOpcode;
|
|
Jump_CoP1_W[51] = UnknownOpcode;
|
|
Jump_CoP1_W[52] = UnknownOpcode;
|
|
Jump_CoP1_W[53] = UnknownOpcode;
|
|
Jump_CoP1_W[54] = UnknownOpcode;
|
|
Jump_CoP1_W[55] = UnknownOpcode;
|
|
Jump_CoP1_W[56] = UnknownOpcode;
|
|
Jump_CoP1_W[57] = UnknownOpcode;
|
|
Jump_CoP1_W[58] = UnknownOpcode;
|
|
Jump_CoP1_W[59] = UnknownOpcode;
|
|
Jump_CoP1_W[60] = UnknownOpcode;
|
|
Jump_CoP1_W[61] = UnknownOpcode;
|
|
Jump_CoP1_W[62] = UnknownOpcode;
|
|
Jump_CoP1_W[63] = UnknownOpcode;
|
|
|
|
Jump_CoP1_L[0] = UnknownOpcode;
|
|
Jump_CoP1_L[1] = UnknownOpcode;
|
|
Jump_CoP1_L[2] = UnknownOpcode;
|
|
Jump_CoP1_L[3] = UnknownOpcode;
|
|
Jump_CoP1_L[4] = UnknownOpcode;
|
|
Jump_CoP1_L[5] = UnknownOpcode;
|
|
Jump_CoP1_L[6] = UnknownOpcode;
|
|
Jump_CoP1_L[7] = UnknownOpcode;
|
|
Jump_CoP1_L[8] = UnknownOpcode;
|
|
Jump_CoP1_L[9] = UnknownOpcode;
|
|
Jump_CoP1_L[10] = UnknownOpcode;
|
|
Jump_CoP1_L[11] = UnknownOpcode;
|
|
Jump_CoP1_L[12] = UnknownOpcode;
|
|
Jump_CoP1_L[13] = UnknownOpcode;
|
|
Jump_CoP1_L[14] = UnknownOpcode;
|
|
Jump_CoP1_L[15] = UnknownOpcode;
|
|
Jump_CoP1_L[16] = UnknownOpcode;
|
|
Jump_CoP1_L[17] = UnknownOpcode;
|
|
Jump_CoP1_L[18] = UnknownOpcode;
|
|
Jump_CoP1_L[19] = UnknownOpcode;
|
|
Jump_CoP1_L[20] = UnknownOpcode;
|
|
Jump_CoP1_L[21] = UnknownOpcode;
|
|
Jump_CoP1_L[22] = UnknownOpcode;
|
|
Jump_CoP1_L[23] = UnknownOpcode;
|
|
Jump_CoP1_L[24] = UnknownOpcode;
|
|
Jump_CoP1_L[25] = UnknownOpcode;
|
|
Jump_CoP1_L[26] = UnknownOpcode;
|
|
Jump_CoP1_L[27] = UnknownOpcode;
|
|
Jump_CoP1_L[28] = UnknownOpcode;
|
|
Jump_CoP1_L[29] = UnknownOpcode;
|
|
Jump_CoP1_L[30] = UnknownOpcode;
|
|
Jump_CoP1_L[31] = UnknownOpcode;
|
|
Jump_CoP1_L[32] = COP1_L_CVT_S;
|
|
Jump_CoP1_L[33] = COP1_L_CVT_D;
|
|
Jump_CoP1_L[34] = UnknownOpcode;
|
|
Jump_CoP1_L[35] = UnknownOpcode;
|
|
Jump_CoP1_L[36] = UnknownOpcode;
|
|
Jump_CoP1_L[37] = UnknownOpcode;
|
|
Jump_CoP1_L[38] = UnknownOpcode;
|
|
Jump_CoP1_L[39] = UnknownOpcode;
|
|
Jump_CoP1_L[40] = UnknownOpcode;
|
|
Jump_CoP1_L[41] = UnknownOpcode;
|
|
Jump_CoP1_L[42] = UnknownOpcode;
|
|
Jump_CoP1_L[43] = UnknownOpcode;
|
|
Jump_CoP1_L[44] = UnknownOpcode;
|
|
Jump_CoP1_L[45] = UnknownOpcode;
|
|
Jump_CoP1_L[46] = UnknownOpcode;
|
|
Jump_CoP1_L[47] = UnknownOpcode;
|
|
Jump_CoP1_L[48] = UnknownOpcode;
|
|
Jump_CoP1_L[49] = UnknownOpcode;
|
|
Jump_CoP1_L[50] = UnknownOpcode;
|
|
Jump_CoP1_L[51] = UnknownOpcode;
|
|
Jump_CoP1_L[52] = UnknownOpcode;
|
|
Jump_CoP1_L[53] = UnknownOpcode;
|
|
Jump_CoP1_L[54] = UnknownOpcode;
|
|
Jump_CoP1_L[55] = UnknownOpcode;
|
|
Jump_CoP1_L[56] = UnknownOpcode;
|
|
Jump_CoP1_L[57] = UnknownOpcode;
|
|
Jump_CoP1_L[58] = UnknownOpcode;
|
|
Jump_CoP1_L[59] = UnknownOpcode;
|
|
Jump_CoP1_L[60] = UnknownOpcode;
|
|
Jump_CoP1_L[61] = UnknownOpcode;
|
|
Jump_CoP1_L[62] = UnknownOpcode;
|
|
Jump_CoP1_L[63] = UnknownOpcode;
|
|
|
|
return Jump_Opcode;
|
|
}
|
|
|
|
// Opcode functions
|
|
|
|
void R4300iOp::J()
|
|
{
|
|
g_System->DelayedJump((*_PROGRAM_COUNTER & 0xF0000000) + (m_Opcode.target << 2));
|
|
}
|
|
|
|
void R4300iOp::JAL()
|
|
{
|
|
g_System->DelayedJump((*_PROGRAM_COUNTER & 0xF0000000) + (m_Opcode.target << 2));
|
|
_GPR[31].DW = (int32_t)(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP_DELAY_SLOT ? g_System->m_JumpToLocation + 4 : *_PROGRAM_COUNTER + 8);
|
|
}
|
|
|
|
void R4300iOp::BEQ()
|
|
{
|
|
if (_GPR[m_Opcode.rs].DW == _GPR[m_Opcode.rt].DW)
|
|
{
|
|
g_System->DelayedRelativeJump(((int16_t)m_Opcode.offset << 2) + 4);
|
|
}
|
|
else
|
|
{
|
|
g_System->DelayedJump(*_PROGRAM_COUNTER + 8);
|
|
}
|
|
}
|
|
|
|
void R4300iOp::BNE()
|
|
{
|
|
if (_GPR[m_Opcode.rs].DW != _GPR[m_Opcode.rt].DW)
|
|
{
|
|
g_System->DelayedRelativeJump(((int16_t)m_Opcode.offset << 2) + 4);
|
|
}
|
|
else
|
|
{
|
|
g_System->DelayedJump(*_PROGRAM_COUNTER + 8);
|
|
}
|
|
}
|
|
|
|
void R4300iOp::BLEZ()
|
|
{
|
|
if (_GPR[m_Opcode.rs].DW <= 0)
|
|
{
|
|
g_System->DelayedRelativeJump(((int16_t)m_Opcode.offset << 2) + 4);
|
|
}
|
|
else
|
|
{
|
|
g_System->DelayedJump(*_PROGRAM_COUNTER + 8);
|
|
}
|
|
}
|
|
|
|
void R4300iOp::BGTZ()
|
|
{
|
|
if (_GPR[m_Opcode.rs].DW > 0)
|
|
{
|
|
g_System->DelayedRelativeJump(((int16_t)m_Opcode.offset << 2) + 4);
|
|
}
|
|
else
|
|
{
|
|
g_System->DelayedJump(*_PROGRAM_COUNTER + 8);
|
|
}
|
|
}
|
|
|
|
void R4300iOp::ADDI()
|
|
{
|
|
#ifdef Interpreter_StackTest
|
|
if (m_Opcode.rs == 29 && m_Opcode.rt == 29)
|
|
{
|
|
StackValue += (int16_t)m_Opcode.immediate;
|
|
}
|
|
#endif
|
|
int32_t rs = _GPR[m_Opcode.rs].W[0];
|
|
int32_t imm = (int16_t)m_Opcode.immediate;
|
|
int32_t sum = rs + imm;
|
|
if ((~(rs ^ imm) & (rs ^ sum)) & 0x80000000)
|
|
{
|
|
GenerateOverflowException();
|
|
return;
|
|
}
|
|
_GPR[m_Opcode.rt].DW = sum;
|
|
#ifdef Interpreter_StackTest
|
|
if (m_Opcode.rt == 29 && m_Opcode.rs != 29)
|
|
{
|
|
StackValue = _GPR[m_Opcode.rt].W[0];
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void R4300iOp::ADDIU()
|
|
{
|
|
#ifdef Interpreter_StackTest
|
|
if (m_Opcode.rs == 29 && m_Opcode.rt == 29)
|
|
{
|
|
StackValue += (int16_t)m_Opcode.immediate;
|
|
}
|
|
#endif
|
|
_GPR[m_Opcode.rt].DW = (_GPR[m_Opcode.rs].W[0] + ((int16_t)m_Opcode.immediate));
|
|
#ifdef Interpreter_StackTest
|
|
if (m_Opcode.rt == 29 && m_Opcode.rs != 29)
|
|
{
|
|
StackValue = _GPR[m_Opcode.rt].W[0];
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void R4300iOp::SLTI()
|
|
{
|
|
if (_GPR[m_Opcode.rs].DW < (int64_t)((int16_t)m_Opcode.immediate))
|
|
{
|
|
_GPR[m_Opcode.rt].DW = 1;
|
|
}
|
|
else
|
|
{
|
|
_GPR[m_Opcode.rt].DW = 0;
|
|
}
|
|
}
|
|
|
|
void R4300iOp::SLTIU()
|
|
{
|
|
int32_t imm32 = (int16_t)m_Opcode.immediate;
|
|
int64_t imm64;
|
|
|
|
imm64 = imm32;
|
|
_GPR[m_Opcode.rt].DW = _GPR[m_Opcode.rs].UDW < (uint64_t)imm64 ? 1 : 0;
|
|
}
|
|
|
|
void R4300iOp::ANDI()
|
|
{
|
|
_GPR[m_Opcode.rt].DW = _GPR[m_Opcode.rs].DW & m_Opcode.immediate;
|
|
}
|
|
|
|
void R4300iOp::ORI()
|
|
{
|
|
_GPR[m_Opcode.rt].DW = _GPR[m_Opcode.rs].DW | m_Opcode.immediate;
|
|
}
|
|
|
|
void R4300iOp::XORI()
|
|
{
|
|
_GPR[m_Opcode.rt].DW = _GPR[m_Opcode.rs].DW ^ m_Opcode.immediate;
|
|
}
|
|
|
|
void R4300iOp::LUI()
|
|
{
|
|
_GPR[m_Opcode.rt].DW = (int32_t)((int16_t)m_Opcode.offset << 16);
|
|
#ifdef Interpreter_StackTest
|
|
if (m_Opcode.rt == 29)
|
|
{
|
|
StackValue = _GPR[m_Opcode.rt].W[0];
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void R4300iOp::BEQL()
|
|
{
|
|
if (_GPR[m_Opcode.rs].DW == _GPR[m_Opcode.rt].DW)
|
|
{
|
|
g_System->DelayedRelativeJump(((int16_t)m_Opcode.offset << 2) + 4);
|
|
}
|
|
else
|
|
{
|
|
g_System->m_PipelineStage = PIPELINE_STAGE_JUMP;
|
|
g_System->m_JumpToLocation = (*_PROGRAM_COUNTER) + 8;
|
|
}
|
|
}
|
|
|
|
void R4300iOp::BNEL()
|
|
{
|
|
if (_GPR[m_Opcode.rs].DW != _GPR[m_Opcode.rt].DW)
|
|
{
|
|
g_System->DelayedRelativeJump(((int16_t)m_Opcode.offset << 2) + 4);
|
|
}
|
|
else
|
|
{
|
|
g_System->m_PipelineStage = PIPELINE_STAGE_JUMP;
|
|
g_System->m_JumpToLocation = (*_PROGRAM_COUNTER) + 8;
|
|
}
|
|
}
|
|
|
|
void R4300iOp::BLEZL()
|
|
{
|
|
if (_GPR[m_Opcode.rs].DW <= 0)
|
|
{
|
|
g_System->DelayedRelativeJump(((int16_t)m_Opcode.offset << 2) + 4);
|
|
}
|
|
else
|
|
{
|
|
g_System->m_PipelineStage = PIPELINE_STAGE_JUMP;
|
|
g_System->m_JumpToLocation = (*_PROGRAM_COUNTER) + 8;
|
|
}
|
|
}
|
|
|
|
void R4300iOp::BGTZL()
|
|
{
|
|
if (_GPR[m_Opcode.rs].DW > 0)
|
|
{
|
|
g_System->DelayedRelativeJump(((int16_t)m_Opcode.offset << 2) + 4);
|
|
}
|
|
else
|
|
{
|
|
g_System->m_PipelineStage = PIPELINE_STAGE_JUMP;
|
|
g_System->m_JumpToLocation = (*_PROGRAM_COUNTER) + 8;
|
|
}
|
|
}
|
|
|
|
void R4300iOp::DADDI()
|
|
{
|
|
int64_t rs = _GPR[m_Opcode.rs].DW;
|
|
int64_t imm = (int64_t)((int16_t)m_Opcode.immediate);
|
|
int64_t sum = rs + imm;
|
|
if ((~(rs ^ imm) & (rs ^ sum)) & 0x8000000000000000)
|
|
{
|
|
GenerateOverflowException();
|
|
return;
|
|
}
|
|
_GPR[m_Opcode.rt].DW = sum;
|
|
}
|
|
|
|
void R4300iOp::DADDIU()
|
|
{
|
|
_GPR[m_Opcode.rt].DW = _GPR[m_Opcode.rs].DW + (int64_t)((int16_t)m_Opcode.immediate);
|
|
}
|
|
|
|
uint64_t LDL_MASK[8] = {0, 0xFF, 0xFFFF, 0xFFFFFF, 0xFFFFFFFF, 0xFFFFFFFFFF, 0xFFFFFFFFFFFF, 0xFFFFFFFFFFFFFF};
|
|
int32_t LDL_SHIFT[8] = {0, 8, 16, 24, 32, 40, 48, 56};
|
|
|
|
void R4300iOp::LDL()
|
|
{
|
|
uint64_t Address = _GPR[m_Opcode.base].DW + (int16_t)m_Opcode.offset;
|
|
uint64_t MemoryValue;
|
|
if (g_MMU->LD_Memory((Address & ~7), MemoryValue))
|
|
{
|
|
uint32_t Offset = Address & 7;
|
|
_GPR[m_Opcode.rt].DW = _GPR[m_Opcode.rt].DW & LDL_MASK[Offset];
|
|
_GPR[m_Opcode.rt].DW += MemoryValue << LDL_SHIFT[Offset];
|
|
}
|
|
}
|
|
|
|
uint64_t LDR_MASK[8] = {0xFFFFFFFFFFFFFF00, 0xFFFFFFFFFFFF0000,
|
|
0xFFFFFFFFFF000000, 0xFFFFFFFF00000000,
|
|
0xFFFFFF0000000000, 0xFFFF000000000000,
|
|
0xFF00000000000000, 0};
|
|
int32_t LDR_SHIFT[8] = {56, 48, 40, 32, 24, 16, 8, 0};
|
|
|
|
void R4300iOp::LDR()
|
|
{
|
|
uint64_t Address = _GPR[m_Opcode.base].DW + (int16_t)m_Opcode.offset;
|
|
uint64_t MemoryValue;
|
|
if (g_MMU->LD_Memory((Address & ~7), MemoryValue))
|
|
{
|
|
uint32_t Offset = Address & 7;
|
|
_GPR[m_Opcode.rt].DW = _GPR[m_Opcode.rt].DW & LDR_MASK[Offset];
|
|
_GPR[m_Opcode.rt].DW += MemoryValue >> LDR_SHIFT[Offset];
|
|
}
|
|
}
|
|
|
|
void R4300iOp::LB()
|
|
{
|
|
uint64_t Address = _GPR[m_Opcode.base].DW + (int16_t)m_Opcode.offset;
|
|
uint8_t MemoryValue;
|
|
if (g_MMU->LB_Memory(Address, MemoryValue))
|
|
{
|
|
_GPR[m_Opcode.rt].DW = (int8_t)MemoryValue;
|
|
}
|
|
}
|
|
|
|
void R4300iOp::LH()
|
|
{
|
|
uint64_t Address = _GPR[m_Opcode.base].DW + (int16_t)m_Opcode.offset;
|
|
uint16_t MemoryValue;
|
|
if (g_MMU->LH_Memory(Address, MemoryValue))
|
|
{
|
|
_GPR[m_Opcode.rt].DW = (int16_t)MemoryValue;
|
|
}
|
|
}
|
|
|
|
void R4300iOp::LWL()
|
|
{
|
|
uint64_t Address = _GPR[m_Opcode.base].DW + (int16_t)m_Opcode.offset;
|
|
uint32_t MemoryValue;
|
|
|
|
if (g_MMU->LW_Memory((Address & ~3), MemoryValue))
|
|
{
|
|
uint32_t Offset = Address & 3;
|
|
_GPR[m_Opcode.rt].DW = (int32_t)(_GPR[m_Opcode.rt].W[0] & LWL_MASK[Offset]);
|
|
_GPR[m_Opcode.rt].DW += (int32_t)(MemoryValue << LWL_SHIFT[Offset]);
|
|
}
|
|
}
|
|
|
|
void R4300iOp::LW()
|
|
{
|
|
uint64_t Address = _GPR[m_Opcode.base].DW + (int16_t)m_Opcode.offset;
|
|
uint32_t MemoryValue;
|
|
|
|
if (g_MMU->LW_Memory(Address, MemoryValue))
|
|
{
|
|
_GPR[m_Opcode.rt].DW = (int32_t)MemoryValue;
|
|
}
|
|
}
|
|
|
|
void R4300iOp::LBU()
|
|
{
|
|
uint64_t Address = _GPR[m_Opcode.base].DW + (int16_t)m_Opcode.offset;
|
|
uint8_t MemoryValue;
|
|
if (g_MMU->LB_Memory(Address, MemoryValue))
|
|
{
|
|
_GPR[m_Opcode.rt].UDW = MemoryValue;
|
|
}
|
|
}
|
|
|
|
void R4300iOp::LHU()
|
|
{
|
|
uint64_t Address = _GPR[m_Opcode.base].DW + (int16_t)m_Opcode.offset;
|
|
uint16_t MemoryValue;
|
|
if (g_MMU->LH_Memory(Address, MemoryValue))
|
|
{
|
|
_GPR[m_Opcode.rt].UDW = MemoryValue;
|
|
}
|
|
}
|
|
|
|
void R4300iOp::LWR()
|
|
{
|
|
uint64_t Address = _GPR[m_Opcode.base].DW + (int16_t)m_Opcode.offset;
|
|
uint32_t MemoryValue;
|
|
|
|
if (g_MMU->LW_Memory((Address & ~3), MemoryValue))
|
|
{
|
|
uint32_t Offset = Address & 3;
|
|
_GPR[m_Opcode.rt].DW = (int32_t)(_GPR[m_Opcode.rt].W[0] & LWR_MASK[Offset]);
|
|
_GPR[m_Opcode.rt].DW += (int32_t)(MemoryValue >> LWR_SHIFT[Offset]);
|
|
}
|
|
}
|
|
|
|
void R4300iOp::LWU()
|
|
{
|
|
uint64_t Address = _GPR[m_Opcode.base].DW + (int16_t)m_Opcode.offset;
|
|
uint32_t MemoryValue;
|
|
|
|
if (g_MMU->LW_Memory(Address, MemoryValue))
|
|
{
|
|
_GPR[m_Opcode.rt].UDW = MemoryValue;
|
|
}
|
|
}
|
|
|
|
void R4300iOp::SB()
|
|
{
|
|
uint64_t Address = _GPR[m_Opcode.base].DW + (int16_t)m_Opcode.offset;
|
|
g_MMU->SB_Memory(Address, _GPR[m_Opcode.rt].UW[0]);
|
|
}
|
|
|
|
void R4300iOp::SH()
|
|
{
|
|
uint64_t Address = _GPR[m_Opcode.base].DW + (int16_t)m_Opcode.offset;
|
|
g_MMU->SH_Memory(Address, _GPR[m_Opcode.rt].UW[0]);
|
|
}
|
|
|
|
void R4300iOp::SWL()
|
|
{
|
|
uint64_t Address = _GPR[m_Opcode.base].DW + (int16_t)m_Opcode.offset;
|
|
uint32_t MemoryValue;
|
|
|
|
if (g_MMU->MemoryValue32(Address & ~3, MemoryValue))
|
|
{
|
|
uint32_t Offset = Address & 3;
|
|
MemoryValue &= SWL_MASK[Offset];
|
|
MemoryValue += _GPR[m_Opcode.rt].UW[0] >> SWL_SHIFT[Offset];
|
|
g_MMU->SW_Memory(Address & ~3, MemoryValue);
|
|
}
|
|
else
|
|
{
|
|
GenerateTLBWriteException(Address, __FUNCTION__);
|
|
}
|
|
}
|
|
|
|
void R4300iOp::SW()
|
|
{
|
|
uint64_t Address = _GPR[m_Opcode.base].DW + (int16_t)m_Opcode.offset;
|
|
g_MMU->SW_Memory(Address, _GPR[m_Opcode.rt].UW[0]);
|
|
}
|
|
|
|
uint64_t SDL_MASK[8] = {0, 0xFF00000000000000,
|
|
0xFFFF000000000000,
|
|
0xFFFFFF0000000000,
|
|
0xFFFFFFFF00000000,
|
|
0xFFFFFFFFFF000000,
|
|
0xFFFFFFFFFFFF0000,
|
|
0xFFFFFFFFFFFFFF00};
|
|
|
|
int32_t SDL_SHIFT[8] = {0, 8, 16, 24, 32, 40, 48, 56};
|
|
|
|
void R4300iOp::SDL()
|
|
{
|
|
uint64_t Address = _GPR[m_Opcode.base].DW + (int16_t)m_Opcode.offset;
|
|
uint64_t MemoryValue;
|
|
if (g_MMU->MemoryValue64((Address & ~7), MemoryValue))
|
|
{
|
|
uint32_t Offset = Address & 7;
|
|
MemoryValue &= SDL_MASK[Offset];
|
|
MemoryValue += _GPR[m_Opcode.rt].UDW >> SDL_SHIFT[Offset];
|
|
g_MMU->SD_Memory((Address & ~7), MemoryValue);
|
|
}
|
|
else
|
|
{
|
|
GenerateTLBWriteException(Address, __FUNCTION__);
|
|
}
|
|
}
|
|
|
|
uint64_t SDR_MASK[8] = {0x00FFFFFFFFFFFFFF,
|
|
0x0000FFFFFFFFFFFF,
|
|
0x000000FFFFFFFFFF,
|
|
0x00000000FFFFFFFF,
|
|
0x0000000000FFFFFF,
|
|
0x000000000000FFFF,
|
|
0x00000000000000FF,
|
|
0x0000000000000000};
|
|
|
|
int32_t SDR_SHIFT[8] = {56, 48, 40, 32, 24, 16, 8, 0};
|
|
|
|
void R4300iOp::SDR()
|
|
{
|
|
uint64_t Address = _GPR[m_Opcode.base].DW + (int16_t)m_Opcode.offset;
|
|
uint64_t MemoryValue;
|
|
if (g_MMU->MemoryValue64((Address & ~7), MemoryValue))
|
|
{
|
|
uint32_t Offset = Address & 7;
|
|
MemoryValue &= SDR_MASK[Offset];
|
|
MemoryValue += _GPR[m_Opcode.rt].UDW << SDR_SHIFT[Offset];
|
|
g_MMU->SD_Memory((Address & ~7), MemoryValue);
|
|
}
|
|
else
|
|
{
|
|
GenerateTLBWriteException(Address, __FUNCTION__);
|
|
}
|
|
}
|
|
|
|
void R4300iOp::SWR()
|
|
{
|
|
uint64_t Address = _GPR[m_Opcode.base].DW + (int16_t)m_Opcode.offset;
|
|
uint32_t MemoryValue;
|
|
|
|
if (g_MMU->MemoryValue32((Address & ~3), MemoryValue))
|
|
{
|
|
uint32_t Offset = Address & 3;
|
|
MemoryValue &= SWR_MASK[Offset];
|
|
MemoryValue += _GPR[m_Opcode.rt].UW[0] << SWR_SHIFT[Offset];
|
|
g_MMU->SW_Memory((Address & ~0x03), MemoryValue);
|
|
}
|
|
else
|
|
{
|
|
GenerateTLBWriteException(Address, __FUNCTION__);
|
|
}
|
|
}
|
|
|
|
void R4300iOp::CACHE()
|
|
{
|
|
if (!LogCache())
|
|
{
|
|
return;
|
|
}
|
|
LogMessage("%08X: Cache operation %d, 0x%08X", (*_PROGRAM_COUNTER), m_Opcode.rt, _GPR[m_Opcode.base].UW[0] + (int16_t)m_Opcode.offset);
|
|
}
|
|
|
|
void R4300iOp::LL()
|
|
{
|
|
uint64_t Address = _GPR[m_Opcode.base].DW + (int16_t)m_Opcode.offset;
|
|
uint32_t MemoryValue;
|
|
|
|
if (g_MMU->LW_Memory(Address, MemoryValue))
|
|
{
|
|
_GPR[m_Opcode.rt].DW = (int32_t)MemoryValue;
|
|
(*_LLBit) = 1;
|
|
}
|
|
}
|
|
|
|
void R4300iOp::LWC1()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
uint64_t Address = _GPR[m_Opcode.base].DW + (int16_t)m_Opcode.offset;
|
|
g_MMU->LW_Memory(Address, *(uint32_t *)_FPR_S[m_Opcode.ft]);
|
|
}
|
|
|
|
void R4300iOp::SC()
|
|
{
|
|
uint64_t Address = _GPR[m_Opcode.base].DW + (int16_t)m_Opcode.offset;
|
|
if ((*_LLBit) != 1 || g_MMU->SW_Memory(Address, _GPR[m_Opcode.rt].UW[0]))
|
|
{
|
|
_GPR[m_Opcode.rt].UW[0] = (*_LLBit);
|
|
}
|
|
}
|
|
|
|
void R4300iOp::LD()
|
|
{
|
|
uint64_t Address = _GPR[m_Opcode.base].DW + (int16_t)m_Opcode.offset;
|
|
if (g_MMU->LD_Memory(Address, _GPR[m_Opcode.rt].UDW))
|
|
{
|
|
#ifdef Interpreter_StackTest
|
|
if (m_Opcode.rt == 29)
|
|
{
|
|
StackValue = _GPR[m_Opcode.rt].W[0];
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void R4300iOp::LDC1()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
uint64_t Address = _GPR[m_Opcode.base].DW + (int16_t)m_Opcode.offset;
|
|
g_MMU->LD_Memory(Address, *(uint64_t *)_FPR_D[m_Opcode.ft]);
|
|
}
|
|
|
|
void R4300iOp::SWC1()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
|
|
uint64_t Address = _GPR[m_Opcode.base].DW + (int16_t)m_Opcode.offset;
|
|
g_MMU->SW_Memory(Address, *(uint32_t *)_FPR_S[m_Opcode.ft]);
|
|
}
|
|
|
|
void R4300iOp::SDC1()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
uint64_t Address = _GPR[m_Opcode.base].DW + (int16_t)m_Opcode.offset;
|
|
g_MMU->SD_Memory(Address, *((uint64_t *)_FPR_D[m_Opcode.ft]));
|
|
}
|
|
|
|
void R4300iOp::SD()
|
|
{
|
|
uint64_t Address = _GPR[m_Opcode.base].DW + (int16_t)m_Opcode.offset;
|
|
g_MMU->SD_Memory(Address, _GPR[m_Opcode.rt].UDW);
|
|
}
|
|
|
|
// R4300i opcodes: Special
|
|
|
|
void R4300iOp::SPECIAL_SLL()
|
|
{
|
|
_GPR[m_Opcode.rd].DW = (_GPR[m_Opcode.rt].W[0] << m_Opcode.sa);
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_SRL()
|
|
{
|
|
_GPR[m_Opcode.rd].DW = (int32_t)(_GPR[m_Opcode.rt].UW[0] >> m_Opcode.sa);
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_SRA()
|
|
{
|
|
_GPR[m_Opcode.rd].DW = (int32_t)(_GPR[m_Opcode.rt].DW >> m_Opcode.sa);
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_SLLV()
|
|
{
|
|
_GPR[m_Opcode.rd].DW = (_GPR[m_Opcode.rt].W[0] << (_GPR[m_Opcode.rs].UW[0] & 0x1F));
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_SRLV()
|
|
{
|
|
_GPR[m_Opcode.rd].DW = (int32_t)(_GPR[m_Opcode.rt].UW[0] >> (_GPR[m_Opcode.rs].UW[0] & 0x1F));
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_SRAV()
|
|
{
|
|
_GPR[m_Opcode.rd].DW = (int32_t)(_GPR[m_Opcode.rt].DW >> (_GPR[m_Opcode.rs].UW[0] & 0x1F));
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_JR()
|
|
{
|
|
g_System->DelayedJump(_GPR[m_Opcode.rs].UW[0]);
|
|
m_TestTimer = true;
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_JALR()
|
|
{
|
|
g_System->DelayedJump(_GPR[m_Opcode.rs].UW[0]);
|
|
_GPR[m_Opcode.rd].DW = (int32_t)(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP_DELAY_SLOT ? g_System->m_JumpToLocation + 4 : *_PROGRAM_COUNTER + 8);
|
|
m_TestTimer = true;
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_SYSCALL()
|
|
{
|
|
g_Reg->DoSysCallException(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP);
|
|
g_System->m_PipelineStage = PIPELINE_STAGE_JUMP;
|
|
g_System->m_JumpToLocation = (*_PROGRAM_COUNTER);
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_BREAK()
|
|
{
|
|
if (StepOnBreakOpCode())
|
|
{
|
|
g_Settings->SaveBool(Debugger_SteppingOps, true);
|
|
g_Debugger->WaitForStep();
|
|
}
|
|
else
|
|
{
|
|
g_Reg->DoBreakException(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP);
|
|
g_System->m_PipelineStage = PIPELINE_STAGE_JUMP;
|
|
g_System->m_JumpToLocation = (*_PROGRAM_COUNTER);
|
|
}
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_SYNC()
|
|
{
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_MFHI()
|
|
{
|
|
_GPR[m_Opcode.rd].DW = _RegHI->DW;
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_MTHI()
|
|
{
|
|
_RegHI->DW = _GPR[m_Opcode.rs].DW;
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_MFLO()
|
|
{
|
|
_GPR[m_Opcode.rd].DW = _RegLO->DW;
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_MTLO()
|
|
{
|
|
_RegLO->DW = _GPR[m_Opcode.rs].DW;
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_DSLLV()
|
|
{
|
|
_GPR[m_Opcode.rd].DW = _GPR[m_Opcode.rt].DW << (_GPR[m_Opcode.rs].UW[0] & 0x3F);
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_DSRLV()
|
|
{
|
|
_GPR[m_Opcode.rd].UDW = _GPR[m_Opcode.rt].UDW >> (_GPR[m_Opcode.rs].UW[0] & 0x3F);
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_DSRAV()
|
|
{
|
|
_GPR[m_Opcode.rd].DW = _GPR[m_Opcode.rt].DW >> (_GPR[m_Opcode.rs].UW[0] & 0x3F);
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_MULT()
|
|
{
|
|
_RegHI->DW = (int64_t)(_GPR[m_Opcode.rs].W[0]) * (int64_t)(_GPR[m_Opcode.rt].W[0]);
|
|
_RegLO->DW = _RegHI->W[0];
|
|
_RegHI->DW = _RegHI->W[1];
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_MULTU()
|
|
{
|
|
_RegHI->DW = (uint64_t)(_GPR[m_Opcode.rs].UW[0]) * (uint64_t)(_GPR[m_Opcode.rt].UW[0]);
|
|
_RegLO->DW = _RegHI->W[0];
|
|
_RegHI->DW = _RegHI->W[1];
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_DIV()
|
|
{
|
|
if (_GPR[m_Opcode.rt].W[0] != 0)
|
|
{
|
|
if (_GPR[m_Opcode.rs].W[0] != 0x80000000 || _GPR[m_Opcode.rt].W[0] != -1)
|
|
{
|
|
_RegLO->DW = _GPR[m_Opcode.rs].W[0] / _GPR[m_Opcode.rt].W[0];
|
|
_RegHI->DW = _GPR[m_Opcode.rs].W[0] % _GPR[m_Opcode.rt].W[0];
|
|
}
|
|
else
|
|
{
|
|
_RegLO->DW = 0xFFFFFFFF80000000;
|
|
_RegHI->DW = 0x0000000000000000;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
_RegLO->DW = _GPR[m_Opcode.rs].W[0] < 0 ? 0x0000000000000001 : 0xFFFFFFFFFFFFFFFF;
|
|
_RegHI->DW = _GPR[m_Opcode.rs].W[0];
|
|
}
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_DIVU()
|
|
{
|
|
if (_GPR[m_Opcode.rt].UW[0] != 0)
|
|
{
|
|
_RegLO->DW = (int32_t)(_GPR[m_Opcode.rs].UW[0] / _GPR[m_Opcode.rt].UW[0]);
|
|
_RegHI->DW = (int32_t)(_GPR[m_Opcode.rs].UW[0] % _GPR[m_Opcode.rt].UW[0]);
|
|
}
|
|
else
|
|
{
|
|
_RegLO->DW = 0xFFFFFFFFFFFFFFFF;
|
|
_RegHI->DW = _GPR[m_Opcode.rs].W[0];
|
|
}
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_DMULT()
|
|
{
|
|
MIPS_DWORD Tmp[3];
|
|
|
|
_RegLO->UDW = (uint64_t)_GPR[m_Opcode.rs].UW[0] * (uint64_t)_GPR[m_Opcode.rt].UW[0];
|
|
Tmp[0].UDW = (int64_t)_GPR[m_Opcode.rs].W[1] * (int64_t)(uint64_t)_GPR[m_Opcode.rt].UW[0];
|
|
Tmp[1].UDW = (int64_t)(uint64_t)_GPR[m_Opcode.rs].UW[0] * (int64_t)_GPR[m_Opcode.rt].W[1];
|
|
_RegHI->UDW = (int64_t)_GPR[m_Opcode.rs].W[1] * (int64_t)_GPR[m_Opcode.rt].W[1];
|
|
|
|
Tmp[2].UDW = (uint64_t)_RegLO->UW[1] + (uint64_t)Tmp[0].UW[0] + (uint64_t)Tmp[1].UW[0];
|
|
_RegLO->UDW += ((uint64_t)Tmp[0].UW[0] + (uint64_t)Tmp[1].UW[0]) << 32;
|
|
_RegHI->UDW += (uint64_t)Tmp[0].W[1] + (uint64_t)Tmp[1].W[1] + Tmp[2].UW[1];
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_DMULTU()
|
|
{
|
|
MIPS_DWORD Tmp[3];
|
|
|
|
_RegLO->UDW = (uint64_t)_GPR[m_Opcode.rs].UW[0] * (uint64_t)_GPR[m_Opcode.rt].UW[0];
|
|
Tmp[0].UDW = (uint64_t)_GPR[m_Opcode.rs].UW[1] * (uint64_t)_GPR[m_Opcode.rt].UW[0];
|
|
Tmp[1].UDW = (uint64_t)_GPR[m_Opcode.rs].UW[0] * (uint64_t)_GPR[m_Opcode.rt].UW[1];
|
|
_RegHI->UDW = (uint64_t)_GPR[m_Opcode.rs].UW[1] * (uint64_t)_GPR[m_Opcode.rt].UW[1];
|
|
|
|
Tmp[2].UDW = (uint64_t)_RegLO->UW[1] + (uint64_t)Tmp[0].UW[0] + (uint64_t)Tmp[1].UW[0];
|
|
_RegLO->UDW += ((uint64_t)Tmp[0].UW[0] + (uint64_t)Tmp[1].UW[0]) << 32;
|
|
_RegHI->UDW += (uint64_t)Tmp[0].UW[1] + (uint64_t)Tmp[1].UW[1] + Tmp[2].UW[1];
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_DDIV()
|
|
{
|
|
if (_GPR[m_Opcode.rt].UDW != 0)
|
|
{
|
|
_RegLO->DW = _GPR[m_Opcode.rs].DW / _GPR[m_Opcode.rt].DW;
|
|
_RegHI->DW = _GPR[m_Opcode.rs].DW % _GPR[m_Opcode.rt].DW;
|
|
}
|
|
else
|
|
{
|
|
_RegLO->DW = _GPR[m_Opcode.rs].DW < 0 ? 0x0000000000000001 : 0xFFFFFFFFFFFFFFFF;
|
|
_RegHI->DW = _GPR[m_Opcode.rs].DW;
|
|
}
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_DDIVU()
|
|
{
|
|
if (_GPR[m_Opcode.rt].UDW != 0)
|
|
{
|
|
_RegLO->UDW = _GPR[m_Opcode.rs].UDW / _GPR[m_Opcode.rt].UDW;
|
|
_RegHI->UDW = _GPR[m_Opcode.rs].UDW % _GPR[m_Opcode.rt].UDW;
|
|
}
|
|
else
|
|
{
|
|
_RegLO->DW = 0xFFFFFFFFFFFFFFFF;
|
|
_RegHI->DW = _GPR[m_Opcode.rs].DW;
|
|
}
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_ADD()
|
|
{
|
|
int32_t rs = _GPR[m_Opcode.rs].W[0];
|
|
int32_t rt = _GPR[m_Opcode.rt].W[0];
|
|
int32_t sum = rs + rt;
|
|
if ((~(rs ^ rt) & (rs ^ sum)) & 0x80000000)
|
|
{
|
|
GenerateOverflowException();
|
|
return;
|
|
}
|
|
_GPR[m_Opcode.rd].DW = sum;
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_ADDU()
|
|
{
|
|
_GPR[m_Opcode.rd].DW = _GPR[m_Opcode.rs].W[0] + _GPR[m_Opcode.rt].W[0];
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_SUB()
|
|
{
|
|
int32_t rs = _GPR[m_Opcode.rs].W[0];
|
|
int32_t rt = _GPR[m_Opcode.rt].W[0];
|
|
int32_t sub = rs - rt;
|
|
|
|
if (((rs ^ rt) & (rs ^ sub)) & 0x80000000)
|
|
{
|
|
GenerateOverflowException();
|
|
return;
|
|
}
|
|
_GPR[m_Opcode.rd].DW = sub;
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_SUBU()
|
|
{
|
|
_GPR[m_Opcode.rd].DW = _GPR[m_Opcode.rs].W[0] - _GPR[m_Opcode.rt].W[0];
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_AND()
|
|
{
|
|
_GPR[m_Opcode.rd].DW = _GPR[m_Opcode.rs].DW & _GPR[m_Opcode.rt].DW;
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_OR()
|
|
{
|
|
_GPR[m_Opcode.rd].DW = _GPR[m_Opcode.rs].DW | _GPR[m_Opcode.rt].DW;
|
|
#ifdef Interpreter_StackTest
|
|
if (m_Opcode.rd == 29)
|
|
{
|
|
StackValue = _GPR[m_Opcode.rd].W[0];
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_XOR()
|
|
{
|
|
_GPR[m_Opcode.rd].DW = _GPR[m_Opcode.rs].DW ^ _GPR[m_Opcode.rt].DW;
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_NOR()
|
|
{
|
|
_GPR[m_Opcode.rd].DW = ~(_GPR[m_Opcode.rs].DW | _GPR[m_Opcode.rt].DW);
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_SLT()
|
|
{
|
|
if (_GPR[m_Opcode.rs].DW < _GPR[m_Opcode.rt].DW)
|
|
{
|
|
_GPR[m_Opcode.rd].DW = 1;
|
|
}
|
|
else
|
|
{
|
|
_GPR[m_Opcode.rd].DW = 0;
|
|
}
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_SLTU()
|
|
{
|
|
if (_GPR[m_Opcode.rs].UDW < _GPR[m_Opcode.rt].UDW)
|
|
{
|
|
_GPR[m_Opcode.rd].DW = 1;
|
|
}
|
|
else
|
|
{
|
|
_GPR[m_Opcode.rd].DW = 0;
|
|
}
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_DADD()
|
|
{
|
|
int64_t rs = _GPR[m_Opcode.rs].DW;
|
|
int64_t rt = _GPR[m_Opcode.rt].DW;
|
|
int64_t sum = rs + rt;
|
|
if ((~(rs ^ rt) & (rs ^ sum)) & 0x8000000000000000)
|
|
{
|
|
GenerateOverflowException();
|
|
return;
|
|
}
|
|
_GPR[m_Opcode.rd].DW = sum;
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_DADDU()
|
|
{
|
|
_GPR[m_Opcode.rd].DW = _GPR[m_Opcode.rs].DW + _GPR[m_Opcode.rt].DW;
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_DSUB()
|
|
{
|
|
int64_t rs = _GPR[m_Opcode.rs].DW;
|
|
int64_t rt = _GPR[m_Opcode.rt].DW;
|
|
int64_t sub = rs - rt;
|
|
|
|
if (((rs ^ rt) & (rs ^ sub)) & 0x8000000000000000)
|
|
{
|
|
GenerateOverflowException();
|
|
return;
|
|
}
|
|
_GPR[m_Opcode.rd].DW = sub;
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_DSUBU()
|
|
{
|
|
_GPR[m_Opcode.rd].DW = _GPR[m_Opcode.rs].DW - _GPR[m_Opcode.rt].DW;
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_TEQ()
|
|
{
|
|
if (_GPR[m_Opcode.rs].DW == _GPR[m_Opcode.rt].DW)
|
|
{
|
|
g_Reg->DoTrapException(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP);
|
|
}
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_TGE()
|
|
{
|
|
if (_GPR[m_Opcode.rs].DW >= _GPR[m_Opcode.rt].DW)
|
|
{
|
|
g_Reg->DoTrapException(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP);
|
|
}
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_TGEU()
|
|
{
|
|
if (_GPR[m_Opcode.rs].UDW >= _GPR[m_Opcode.rt].UDW)
|
|
{
|
|
g_Reg->DoTrapException(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP);
|
|
}
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_TLT()
|
|
{
|
|
if (_GPR[m_Opcode.rs].DW < _GPR[m_Opcode.rt].DW)
|
|
{
|
|
g_Reg->DoTrapException(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP);
|
|
}
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_TLTU()
|
|
{
|
|
if (_GPR[m_Opcode.rs].UDW < _GPR[m_Opcode.rt].UDW)
|
|
{
|
|
g_Reg->DoTrapException(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP);
|
|
}
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_TNE()
|
|
{
|
|
if (_GPR[m_Opcode.rs].DW != _GPR[m_Opcode.rt].DW)
|
|
{
|
|
g_Reg->DoTrapException(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP);
|
|
}
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_DSLL()
|
|
{
|
|
_GPR[m_Opcode.rd].DW = (_GPR[m_Opcode.rt].DW << m_Opcode.sa);
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_DSRL()
|
|
{
|
|
_GPR[m_Opcode.rd].UDW = (_GPR[m_Opcode.rt].UDW >> m_Opcode.sa);
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_DSRA()
|
|
{
|
|
_GPR[m_Opcode.rd].DW = (_GPR[m_Opcode.rt].DW >> m_Opcode.sa);
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_DSLL32()
|
|
{
|
|
_GPR[m_Opcode.rd].DW = (_GPR[m_Opcode.rt].DW << (m_Opcode.sa + 32));
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_DSRL32()
|
|
{
|
|
_GPR[m_Opcode.rd].UDW = (_GPR[m_Opcode.rt].UDW >> (m_Opcode.sa + 32));
|
|
}
|
|
|
|
void R4300iOp::SPECIAL_DSRA32()
|
|
{
|
|
_GPR[m_Opcode.rd].DW = (_GPR[m_Opcode.rt].DW >> (m_Opcode.sa + 32));
|
|
}
|
|
|
|
// R4300i opcodes: RegImm
|
|
|
|
void R4300iOp::REGIMM_BLTZ()
|
|
{
|
|
if (_GPR[m_Opcode.rs].DW < 0)
|
|
{
|
|
g_System->DelayedRelativeJump(((int16_t)m_Opcode.offset << 2) + 4);
|
|
}
|
|
else
|
|
{
|
|
g_System->DelayedJump(*_PROGRAM_COUNTER + 8);
|
|
}
|
|
}
|
|
|
|
void R4300iOp::REGIMM_BGEZ()
|
|
{
|
|
if (_GPR[m_Opcode.rs].DW >= 0)
|
|
{
|
|
g_System->DelayedRelativeJump(((int16_t)m_Opcode.offset << 2) + 4);
|
|
}
|
|
else
|
|
{
|
|
g_System->DelayedJump(*_PROGRAM_COUNTER + 8);
|
|
}
|
|
}
|
|
|
|
void R4300iOp::REGIMM_BLTZL()
|
|
{
|
|
if (_GPR[m_Opcode.rs].DW < 0)
|
|
{
|
|
g_System->DelayedRelativeJump(((int16_t)m_Opcode.offset << 2) + 4);
|
|
}
|
|
else
|
|
{
|
|
g_System->m_PipelineStage = PIPELINE_STAGE_JUMP;
|
|
g_System->m_JumpToLocation = (*_PROGRAM_COUNTER) + 8;
|
|
}
|
|
}
|
|
|
|
void R4300iOp::REGIMM_BGEZL()
|
|
{
|
|
if (_GPR[m_Opcode.rs].DW >= 0)
|
|
{
|
|
g_System->DelayedRelativeJump(((int16_t)m_Opcode.offset << 2) + 4);
|
|
}
|
|
else
|
|
{
|
|
g_System->m_PipelineStage = PIPELINE_STAGE_JUMP;
|
|
g_System->m_JumpToLocation = (*_PROGRAM_COUNTER) + 8;
|
|
}
|
|
}
|
|
|
|
void R4300iOp::REGIMM_BLTZAL()
|
|
{
|
|
if (_GPR[m_Opcode.rs].DW < 0)
|
|
{
|
|
g_System->DelayedRelativeJump(((int16_t)m_Opcode.offset << 2) + 4);
|
|
}
|
|
else
|
|
{
|
|
g_System->DelayedJump(*_PROGRAM_COUNTER + 8);
|
|
}
|
|
_GPR[31].DW = (int32_t)(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP_DELAY_SLOT ? g_System->m_JumpToLocation + 4 : *_PROGRAM_COUNTER + 8);
|
|
}
|
|
|
|
void R4300iOp::REGIMM_BGEZAL()
|
|
{
|
|
if (_GPR[m_Opcode.rs].DW >= 0)
|
|
{
|
|
g_System->DelayedRelativeJump(((int16_t)m_Opcode.offset << 2) + 4);
|
|
}
|
|
else
|
|
{
|
|
g_System->DelayedJump(*_PROGRAM_COUNTER + 8);
|
|
}
|
|
_GPR[31].DW = (int32_t)(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP_DELAY_SLOT ? g_System->m_JumpToLocation + 4 : *_PROGRAM_COUNTER + 8);
|
|
}
|
|
|
|
void R4300iOp::REGIMM_BGEZALL()
|
|
{
|
|
if (_GPR[m_Opcode.rs].DW >= 0)
|
|
{
|
|
g_System->DelayedRelativeJump(((int16_t)m_Opcode.offset << 2) + 4);
|
|
}
|
|
else
|
|
{
|
|
g_System->m_PipelineStage = PIPELINE_STAGE_JUMP;
|
|
g_System->m_JumpToLocation = (*_PROGRAM_COUNTER) + 8;
|
|
}
|
|
_GPR[31].DW = (int32_t)(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP_DELAY_SLOT ? g_System->m_JumpToLocation + 4 : *_PROGRAM_COUNTER + 8);
|
|
}
|
|
|
|
void R4300iOp::REGIMM_TEQI()
|
|
{
|
|
if (_GPR[m_Opcode.rs].DW == (int64_t)((int16_t)m_Opcode.immediate))
|
|
{
|
|
g_Reg->DoTrapException(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP);
|
|
}
|
|
}
|
|
|
|
void R4300iOp::REGIMM_TGEI()
|
|
{
|
|
if (_GPR[m_Opcode.rs].DW >= (int64_t)((int16_t)m_Opcode.immediate))
|
|
{
|
|
g_Reg->DoTrapException(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP);
|
|
}
|
|
}
|
|
|
|
void R4300iOp::REGIMM_TGEIU()
|
|
{
|
|
int32_t imm32 = (int16_t)m_Opcode.immediate;
|
|
int64_t imm64;
|
|
|
|
imm64 = imm32;
|
|
if (_GPR[m_Opcode.rs].UDW >= (uint64_t)imm64)
|
|
{
|
|
g_Reg->DoTrapException(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP);
|
|
}
|
|
}
|
|
|
|
void R4300iOp::REGIMM_TLTI()
|
|
{
|
|
if (_GPR[m_Opcode.rs].DW < (int64_t)((int16_t)m_Opcode.immediate))
|
|
{
|
|
g_Reg->DoTrapException(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP);
|
|
}
|
|
}
|
|
|
|
void R4300iOp::REGIMM_TLTIU()
|
|
{
|
|
int32_t imm32 = (int16_t)m_Opcode.immediate;
|
|
int64_t imm64;
|
|
|
|
imm64 = imm32;
|
|
if (_GPR[m_Opcode.rs].UDW < (uint64_t)imm64)
|
|
{
|
|
g_Reg->DoTrapException(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP);
|
|
}
|
|
}
|
|
|
|
void R4300iOp::REGIMM_TNEI()
|
|
{
|
|
if (_GPR[m_Opcode.rs].DW != (int64_t)((int16_t)m_Opcode.immediate))
|
|
{
|
|
g_Reg->DoTrapException(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP);
|
|
}
|
|
}
|
|
|
|
// COP0 functions
|
|
|
|
void R4300iOp::COP0_MF()
|
|
{
|
|
_GPR[m_Opcode.rt].DW = (int32_t)g_Reg->Cop0_MF((CRegisters::COP0Reg)m_Opcode.rd);
|
|
}
|
|
|
|
void R4300iOp::COP0_DMF()
|
|
{
|
|
_GPR[m_Opcode.rt].DW = g_Reg->Cop0_MF((CRegisters::COP0Reg)m_Opcode.rd);
|
|
}
|
|
|
|
void R4300iOp::COP0_MT()
|
|
{
|
|
g_Reg->Cop0_MT((CRegisters::COP0Reg)m_Opcode.rd, (int64_t)_GPR[m_Opcode.rt].W[0]);
|
|
}
|
|
|
|
void R4300iOp::COP0_DMT()
|
|
{
|
|
g_Reg->Cop0_MT((CRegisters::COP0Reg)m_Opcode.rd, _GPR[m_Opcode.rt].UDW);
|
|
}
|
|
// COP0 CO functions
|
|
|
|
void R4300iOp::COP0_CO_TLBR()
|
|
{
|
|
g_TLB->ReadEntry();
|
|
}
|
|
|
|
void R4300iOp::COP0_CO_TLBWI()
|
|
{
|
|
g_TLB->WriteEntry(g_Reg->INDEX_REGISTER & 0x1F, false);
|
|
}
|
|
|
|
void R4300iOp::COP0_CO_TLBWR()
|
|
{
|
|
g_TLB->WriteEntry(g_Reg->RANDOM_REGISTER & 0x1F, true);
|
|
}
|
|
|
|
void R4300iOp::COP0_CO_TLBP()
|
|
{
|
|
g_TLB->Probe();
|
|
}
|
|
|
|
void R4300iOp::COP0_CO_ERET()
|
|
{
|
|
g_System->m_PipelineStage = PIPELINE_STAGE_JUMP;
|
|
if ((g_Reg->STATUS_REGISTER & STATUS_ERL) != 0)
|
|
{
|
|
g_System->m_JumpToLocation = (uint32_t)g_Reg->ERROREPC_REGISTER;
|
|
g_Reg->STATUS_REGISTER &= ~STATUS_ERL;
|
|
}
|
|
else
|
|
{
|
|
g_System->m_JumpToLocation = (uint32_t)g_Reg->EPC_REGISTER;
|
|
g_Reg->STATUS_REGISTER &= ~STATUS_EXL;
|
|
}
|
|
(*_LLBit) = 0;
|
|
g_Reg->CheckInterrupts();
|
|
m_TestTimer = true;
|
|
}
|
|
|
|
// COP1 functions
|
|
|
|
void R4300iOp::COP1_MF()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
_GPR[m_Opcode.rt].DW = *(int32_t *)_FPR_S[m_Opcode.fs];
|
|
}
|
|
|
|
void R4300iOp::COP1_DMF()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
_GPR[m_Opcode.rt].DW = *(int64_t *)_FPR_D[m_Opcode.fs];
|
|
}
|
|
|
|
void R4300iOp::COP1_CF()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
_GPR[m_Opcode.rt].DW = (int32_t)_FPCR[m_Opcode.fs];
|
|
}
|
|
|
|
void R4300iOp::COP1_MT()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
*(int32_t *)_FPR_S[m_Opcode.fs] = _GPR[m_Opcode.rt].W[0];
|
|
}
|
|
|
|
void R4300iOp::COP1_DMT()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
*(int64_t *)_FPR_D[m_Opcode.fs] = _GPR[m_Opcode.rt].DW;
|
|
}
|
|
|
|
void R4300iOp::COP1_CT()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
g_Reg->Cop1_CT(m_Opcode.fs, _GPR[m_Opcode.rt].W[0]);
|
|
}
|
|
|
|
// COP1: BC1 functions
|
|
|
|
void R4300iOp::COP1_BCF()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
g_System->m_PipelineStage = PIPELINE_STAGE_DELAY_SLOT;
|
|
if ((_FPCR[31] & FPCSR_C) == 0)
|
|
{
|
|
g_System->m_JumpToLocation = (*_PROGRAM_COUNTER) + ((int16_t)m_Opcode.offset << 2) + 4;
|
|
}
|
|
else
|
|
{
|
|
g_System->m_JumpToLocation = (*_PROGRAM_COUNTER) + 8;
|
|
}
|
|
}
|
|
|
|
void R4300iOp::COP1_BCT()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
g_System->m_PipelineStage = PIPELINE_STAGE_DELAY_SLOT;
|
|
if ((_FPCR[31] & FPCSR_C) != 0)
|
|
{
|
|
g_System->m_JumpToLocation = (*_PROGRAM_COUNTER) + ((int16_t)m_Opcode.offset << 2) + 4;
|
|
}
|
|
else
|
|
{
|
|
g_System->m_JumpToLocation = (*_PROGRAM_COUNTER) + 8;
|
|
}
|
|
}
|
|
|
|
void R4300iOp::COP1_BCFL()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
if ((_FPCR[31] & FPCSR_C) == 0)
|
|
{
|
|
g_System->m_PipelineStage = PIPELINE_STAGE_DELAY_SLOT;
|
|
g_System->m_JumpToLocation = (*_PROGRAM_COUNTER) + ((int16_t)m_Opcode.offset << 2) + 4;
|
|
}
|
|
else
|
|
{
|
|
g_System->m_PipelineStage = PIPELINE_STAGE_JUMP;
|
|
g_System->m_JumpToLocation = (*_PROGRAM_COUNTER) + 8;
|
|
}
|
|
}
|
|
|
|
void R4300iOp::COP1_BCTL()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
if ((_FPCR[31] & FPCSR_C) != 0)
|
|
{
|
|
g_System->m_PipelineStage = PIPELINE_STAGE_DELAY_SLOT;
|
|
g_System->m_JumpToLocation = (*_PROGRAM_COUNTER) + ((int16_t)m_Opcode.offset << 2) + 4;
|
|
}
|
|
else
|
|
{
|
|
g_System->m_PipelineStage = PIPELINE_STAGE_JUMP;
|
|
g_System->m_JumpToLocation = (*_PROGRAM_COUNTER) + 8;
|
|
}
|
|
}
|
|
|
|
// COP1: S functions
|
|
|
|
__inline void Float_RoundToInteger32(int32_t * Dest, const float * Source, int RoundType)
|
|
{
|
|
#pragma warning(push)
|
|
#pragma warning(disable : 4244) // warning C4244: disable conversion from 'float' to 'int32_t', possible loss of data
|
|
|
|
if (RoundType == FE_TONEAREST)
|
|
{
|
|
float reminder = *Source - floorf(*Source);
|
|
if (reminder == 0.5)
|
|
{
|
|
// Make any decimal point that is even odd, and any decimal point that is odd stay odd
|
|
if (*Source < 0)
|
|
{
|
|
*Dest = (int)truncf(*Source) % 2 != 0 ? floorf(*Source) : ceilf(*Source);
|
|
}
|
|
else
|
|
{
|
|
*Dest = (int)truncf(*Source) % 2 != 0 ? ceilf(*Source) : floorf(*Source);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
*Dest = roundf(*Source);
|
|
}
|
|
}
|
|
else if (RoundType == FE_TOWARDZERO)
|
|
{
|
|
*Dest = truncf(*Source);
|
|
}
|
|
else if (RoundType == FE_UPWARD)
|
|
{
|
|
*Dest = ceilf(*Source);
|
|
}
|
|
else if (RoundType == FE_DOWNWARD)
|
|
{
|
|
*Dest = floorf(*Source);
|
|
}
|
|
|
|
#pragma warning(pop)
|
|
}
|
|
|
|
__inline void Float_RoundToInteger64(int64_t * Dest, const float * Source, int RoundType)
|
|
{
|
|
#pragma warning(push)
|
|
#pragma warning(disable : 4244) // warning C4244: disable conversion from 'float' to 'int64_t', possible loss of data
|
|
|
|
if (RoundType == FE_TONEAREST)
|
|
{
|
|
float reminder = *Source - floorf(*Source);
|
|
if (reminder == 0.5)
|
|
{
|
|
// Make any decimal point that is even odd, and any decimal point that is odd stay odd
|
|
if (*Source < 0)
|
|
{
|
|
*Dest = (int)truncf(*Source) % 2 != 0 ? floorf(*Source) : ceilf(*Source);
|
|
}
|
|
else
|
|
{
|
|
*Dest = (int)truncf(*Source) % 2 != 0 ? ceilf(*Source) : floorf(*Source);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
*Dest = roundf(*Source);
|
|
}
|
|
}
|
|
else if (RoundType == FE_TOWARDZERO)
|
|
{
|
|
*Dest = truncf(*Source);
|
|
}
|
|
else if (RoundType == FE_UPWARD)
|
|
{
|
|
*Dest = ceilf(*Source);
|
|
}
|
|
else if (RoundType == FE_DOWNWARD)
|
|
{
|
|
*Dest = floorf(*Source);
|
|
}
|
|
|
|
#pragma warning(pop)
|
|
}
|
|
|
|
void R4300iOp::COP1_S_ADD()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
_FPCR[31] &= ~0x0003F000;
|
|
fesetround(*_RoundingModel);
|
|
feclearexcept(FE_ALL_EXCEPT);
|
|
|
|
if (!CheckFPUInput32(*(float *)_FPR_S[m_Opcode.fs]) || !CheckFPUInput32(*(float *)_FPR_S[m_Opcode.ft]))
|
|
{
|
|
return;
|
|
}
|
|
float Result = (*(float *)_FPR_S[m_Opcode.fs] + *(float *)_FPR_S[m_Opcode.ft]);
|
|
if (CheckFPUException() || CheckFPUResult32(Result))
|
|
{
|
|
return;
|
|
}
|
|
*(uint32_t *)_FPR_S[m_Opcode.fd] = *(uint32_t *)&Result;
|
|
}
|
|
|
|
void R4300iOp::COP1_S_SUB()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
fesetround(*_RoundingModel);
|
|
*(float *)_FPR_S[m_Opcode.fd] = (*(float *)_FPR_S[m_Opcode.fs] - *(float *)_FPR_S[m_Opcode.ft]);
|
|
}
|
|
|
|
void R4300iOp::COP1_S_MUL()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
fesetround(*_RoundingModel);
|
|
*(float *)_FPR_S[m_Opcode.fd] = (*(float *)_FPR_S[m_Opcode.fs] * *(float *)_FPR_S[m_Opcode.ft]);
|
|
}
|
|
|
|
void R4300iOp::COP1_S_DIV()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
fesetround(*_RoundingModel);
|
|
*(float *)_FPR_S[m_Opcode.fd] = (*(float *)_FPR_S[m_Opcode.fs] / *(float *)_FPR_S[m_Opcode.ft]);
|
|
}
|
|
|
|
void R4300iOp::COP1_S_SQRT()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
fesetround(*_RoundingModel);
|
|
|
|
*(float *)(_FPR_S[m_Opcode.fd]) = sqrtf(*(float *)(_FPR_S[m_Opcode.fs]));
|
|
}
|
|
|
|
void R4300iOp::COP1_S_ABS()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
fesetround(*_RoundingModel);
|
|
*(float *)_FPR_S[m_Opcode.fd] = (float)fabs(*(float *)_FPR_S[m_Opcode.fs]);
|
|
}
|
|
|
|
void R4300iOp::COP1_S_MOV()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
fesetround(*_RoundingModel);
|
|
*(uint32_t *)_FPR_S[m_Opcode.fd] = *(uint32_t *)_FPR_S[m_Opcode.fs];
|
|
}
|
|
|
|
void R4300iOp::COP1_S_NEG()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
fesetround(*_RoundingModel);
|
|
*(float *)_FPR_S[m_Opcode.fd] = (*(float *)_FPR_S[m_Opcode.fs] * -1.0f);
|
|
}
|
|
|
|
void R4300iOp::COP1_S_ROUND_L()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
Float_RoundToInteger64(&*(int64_t *)_FPR_D[m_Opcode.fd], &*(float *)_FPR_S[m_Opcode.fs], FE_TONEAREST);
|
|
}
|
|
|
|
void R4300iOp::COP1_S_TRUNC_L()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
Float_RoundToInteger64(&*(int64_t *)_FPR_D[m_Opcode.fd], &*(float *)_FPR_S[m_Opcode.fs], FE_TOWARDZERO);
|
|
}
|
|
|
|
void R4300iOp::COP1_S_CEIL_L()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
Float_RoundToInteger64(&*(int64_t *)_FPR_D[m_Opcode.fd], &*(float *)_FPR_S[m_Opcode.fs], FE_UPWARD);
|
|
}
|
|
|
|
void R4300iOp::COP1_S_FLOOR_L()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
Float_RoundToInteger64(&*(int64_t *)_FPR_D[m_Opcode.fd], &*(float *)_FPR_S[m_Opcode.fs], FE_DOWNWARD);
|
|
}
|
|
|
|
void R4300iOp::COP1_S_ROUND_W()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
Float_RoundToInteger32(&*(int32_t *)_FPR_S[m_Opcode.fd], &*(float *)_FPR_S[m_Opcode.fs], FE_TONEAREST);
|
|
}
|
|
|
|
void R4300iOp::COP1_S_TRUNC_W()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
Float_RoundToInteger32(&*(int32_t *)_FPR_S[m_Opcode.fd], &*(float *)_FPR_S[m_Opcode.fs], FE_TOWARDZERO);
|
|
}
|
|
|
|
void R4300iOp::COP1_S_CEIL_W()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
Float_RoundToInteger32(&*(int32_t *)_FPR_S[m_Opcode.fd], &*(float *)_FPR_S[m_Opcode.fs], FE_UPWARD);
|
|
}
|
|
|
|
void R4300iOp::COP1_S_FLOOR_W()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
Float_RoundToInteger32(&*(int32_t *)_FPR_S[m_Opcode.fd], &*(float *)_FPR_S[m_Opcode.fs], FE_DOWNWARD);
|
|
}
|
|
|
|
void R4300iOp::COP1_S_CVT_D()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
fesetround(*_RoundingModel);
|
|
*(double *)_FPR_D[m_Opcode.fd] = (double)(*(float *)_FPR_S[m_Opcode.fs]);
|
|
}
|
|
|
|
void R4300iOp::COP1_S_CVT_W()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
Float_RoundToInteger32(&*(int32_t *)_FPR_S[m_Opcode.fd], &*(float *)_FPR_S[m_Opcode.fs], *_RoundingModel);
|
|
}
|
|
|
|
void R4300iOp::COP1_S_CVT_L()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
Float_RoundToInteger64(&*(int64_t *)_FPR_D[m_Opcode.fd], &*(float *)_FPR_S[m_Opcode.fs], *_RoundingModel);
|
|
}
|
|
|
|
void R4300iOp::COP1_S_CMP()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
|
|
float Temp0 = *(float *)_FPR_S[m_Opcode.fs];
|
|
float Temp1 = *(float *)_FPR_S[m_Opcode.ft];
|
|
|
|
bool less, equal, unorded;
|
|
if (_isnan(Temp0) || _isnan(Temp1))
|
|
{
|
|
less = false;
|
|
equal = false;
|
|
unorded = true;
|
|
if ((m_Opcode.funct & 8) != 0)
|
|
{
|
|
FPStatusReg & StatusReg = (FPStatusReg &)_FPCR[31];
|
|
StatusReg.Cause.InvalidOperation = 1;
|
|
if (StatusReg.Enable.InvalidOperation)
|
|
{
|
|
g_Reg->DoFloatingPointException(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP);
|
|
g_System->m_PipelineStage = PIPELINE_STAGE_JUMP;
|
|
g_System->m_JumpToLocation = (*_PROGRAM_COUNTER);
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
StatusReg.Flags.InvalidOperation = 1;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
less = Temp0 < Temp1;
|
|
equal = Temp0 == Temp1;
|
|
unorded = false;
|
|
}
|
|
|
|
int32_t condition = ((m_Opcode.funct & 4) && less) | ((m_Opcode.funct & 2) && equal) |
|
|
((m_Opcode.funct & 1) && unorded);
|
|
|
|
if (condition != 0)
|
|
{
|
|
_FPCR[31] |= FPCSR_C;
|
|
}
|
|
else
|
|
{
|
|
_FPCR[31] &= ~FPCSR_C;
|
|
}
|
|
}
|
|
|
|
// COP1: D functions
|
|
|
|
__inline void Double_RoundToInteger32(int32_t * Dest, const double * Source, int RoundType)
|
|
{
|
|
#pragma warning(push)
|
|
#pragma warning(disable : 4244) // warning C4244: disable conversion from 'double' to 'uint32_t', possible loss of data
|
|
|
|
if (RoundType == FE_TONEAREST)
|
|
{
|
|
double reminder = *Source - floor(*Source);
|
|
if (reminder == 0.5)
|
|
{
|
|
// Make any decimal point that is even odd, and any decimal point that is odd stay odd
|
|
if (*Source < 0)
|
|
{
|
|
*Dest = (int)truncf(*Source) % 2 != 0 ? floor(*Source) : ceil(*Source);
|
|
}
|
|
else
|
|
{
|
|
*Dest = (int)truncf(*Source) % 2 != 0 ? ceil(*Source) : floor(*Source);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
*Dest = round(*Source);
|
|
}
|
|
}
|
|
else if (RoundType == FE_TOWARDZERO)
|
|
{
|
|
*Dest = trunc(*Source);
|
|
}
|
|
else if (RoundType == FE_UPWARD)
|
|
{
|
|
*Dest = ceil(*Source);
|
|
}
|
|
else if (RoundType == FE_DOWNWARD)
|
|
{
|
|
*Dest = floor(*Source);
|
|
}
|
|
else
|
|
{
|
|
g_Notify->BreakPoint(__FILE__, __LINE__);
|
|
}
|
|
|
|
#pragma warning(pop)
|
|
}
|
|
|
|
__inline void Double_RoundToInteger64(int64_t * Dest, const double * Source, int RoundType)
|
|
{
|
|
#pragma warning(push)
|
|
#pragma warning(disable : 4244) // warning C4244: disable conversion from 'double' to 'uint64_t', possible loss of data
|
|
|
|
if (RoundType == FE_TONEAREST)
|
|
{
|
|
double reminder = *Source - floor(*Source);
|
|
if (reminder == 0.5)
|
|
{
|
|
// Make any decimal point that is even odd, and any decimal point that is odd stay odd
|
|
if (*Source < 0)
|
|
{
|
|
*Dest = (int)truncf(*Source) % 2 != 0 ? floor(*Source) : ceil(*Source);
|
|
}
|
|
else
|
|
{
|
|
*Dest = (int)truncf(*Source) % 2 != 0 ? ceil(*Source) : floor(*Source);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
*Dest = round(*Source);
|
|
}
|
|
}
|
|
else if (RoundType == FE_TOWARDZERO)
|
|
{
|
|
*Dest = trunc(*Source);
|
|
}
|
|
else if (RoundType == FE_UPWARD)
|
|
{
|
|
*Dest = ceil(*Source);
|
|
}
|
|
else if (RoundType == FE_DOWNWARD)
|
|
{
|
|
*Dest = floor(*Source);
|
|
}
|
|
else
|
|
{
|
|
g_Notify->BreakPoint(__FILE__, __LINE__);
|
|
}
|
|
|
|
#pragma warning(pop)
|
|
}
|
|
|
|
void R4300iOp::COP1_D_ADD()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
_FPCR[31] &= ~0x0003F000;
|
|
fesetround(*_RoundingModel);
|
|
feclearexcept(FE_ALL_EXCEPT);
|
|
|
|
if (!CheckFPUInput64(*(double *)_FPR_S[m_Opcode.fs]) || !CheckFPUInput64(*(double *)_FPR_S[m_Opcode.ft]))
|
|
{
|
|
return;
|
|
}
|
|
double Result = (*(double *)_FPR_D[m_Opcode.fs] + *(double *)_FPR_D[m_Opcode.ft]);
|
|
if (CheckFPUException() || CheckFPUResult64(Result))
|
|
{
|
|
return;
|
|
}
|
|
*(uint64_t *)_FPR_D[m_Opcode.fd] = *(uint64_t *)&Result;
|
|
}
|
|
|
|
void R4300iOp::COP1_D_SUB()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
fesetround(*_RoundingModel);
|
|
*(double *)_FPR_D[m_Opcode.fd] = *(double *)_FPR_D[m_Opcode.fs] - *(double *)_FPR_D[m_Opcode.ft];
|
|
}
|
|
|
|
void R4300iOp::COP1_D_MUL()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
fesetround(*_RoundingModel);
|
|
*(double *)_FPR_D[m_Opcode.fd] = *(double *)_FPR_D[m_Opcode.fs] * *(double *)_FPR_D[m_Opcode.ft];
|
|
}
|
|
|
|
void R4300iOp::COP1_D_DIV()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
fesetround(*_RoundingModel);
|
|
*(double *)_FPR_D[m_Opcode.fd] = *(double *)_FPR_D[m_Opcode.fs] / *(double *)_FPR_D[m_Opcode.ft];
|
|
}
|
|
|
|
void R4300iOp::COP1_D_SQRT()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
fesetround(*_RoundingModel);
|
|
*(double *)_FPR_D[m_Opcode.fd] = (double)sqrt(*(double *)_FPR_D[m_Opcode.fs]);
|
|
}
|
|
|
|
void R4300iOp::COP1_D_ABS()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
fesetround(*_RoundingModel);
|
|
*(double *)_FPR_D[m_Opcode.fd] = fabs(*(double *)_FPR_D[m_Opcode.fs]);
|
|
}
|
|
|
|
void R4300iOp::COP1_D_MOV()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
fesetround(*_RoundingModel);
|
|
*(int64_t *)_FPR_D[m_Opcode.fd] = *(int64_t *)_FPR_D[m_Opcode.fs];
|
|
}
|
|
|
|
void R4300iOp::COP1_D_NEG()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
fesetround(*_RoundingModel);
|
|
*(double *)_FPR_D[m_Opcode.fd] = (*(double *)_FPR_D[m_Opcode.fs] * -1.0);
|
|
}
|
|
|
|
void R4300iOp::COP1_D_ROUND_L()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
Double_RoundToInteger64(&*(int64_t *)_FPR_D[m_Opcode.fd], &*(double *)_FPR_D[m_Opcode.fs], FE_TONEAREST);
|
|
}
|
|
|
|
void R4300iOp::COP1_D_TRUNC_L()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
Double_RoundToInteger64(&*(int64_t *)_FPR_D[m_Opcode.fd], &*(double *)_FPR_D[m_Opcode.fs], FE_TOWARDZERO);
|
|
}
|
|
|
|
void R4300iOp::COP1_D_CEIL_L()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
Double_RoundToInteger64(&*(int64_t *)_FPR_D[m_Opcode.fd], &*(double *)_FPR_D[m_Opcode.fs], FE_UPWARD);
|
|
}
|
|
|
|
void R4300iOp::COP1_D_FLOOR_L()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
Double_RoundToInteger64(&*(int64_t *)_FPR_D[m_Opcode.fd], &*(double *)_FPR_S[m_Opcode.fs], FE_DOWNWARD);
|
|
}
|
|
|
|
void R4300iOp::COP1_D_ROUND_W()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
Double_RoundToInteger32(&*(int32_t *)_FPR_S[m_Opcode.fd], &*(double *)_FPR_D[m_Opcode.fs], FE_TONEAREST);
|
|
}
|
|
|
|
void R4300iOp::COP1_D_TRUNC_W()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
Double_RoundToInteger32(&*(int32_t *)_FPR_S[m_Opcode.fd], &*(double *)_FPR_D[m_Opcode.fs], FE_TOWARDZERO);
|
|
}
|
|
|
|
void R4300iOp::COP1_D_CEIL_W()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
Double_RoundToInteger32(&*(int32_t *)_FPR_S[m_Opcode.fd], &*(double *)_FPR_D[m_Opcode.fs], FE_UPWARD);
|
|
}
|
|
|
|
void R4300iOp::COP1_D_FLOOR_W()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
Double_RoundToInteger32(&*(int32_t *)_FPR_D[m_Opcode.fd], &*(double *)_FPR_S[m_Opcode.fs], FE_DOWNWARD);
|
|
}
|
|
|
|
void R4300iOp::COP1_D_CVT_S()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
fesetround(*_RoundingModel);
|
|
*(float *)_FPR_S[m_Opcode.fd] = (float)*(double *)_FPR_D[m_Opcode.fs];
|
|
}
|
|
|
|
void R4300iOp::COP1_D_CVT_W()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
Double_RoundToInteger32(&*(int32_t *)_FPR_S[m_Opcode.fd], &*(double *)_FPR_D[m_Opcode.fs], *_RoundingModel);
|
|
}
|
|
|
|
void R4300iOp::COP1_D_CVT_L()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
Double_RoundToInteger64(&*(int64_t *)_FPR_D[m_Opcode.fd], &*(double *)_FPR_D[m_Opcode.fs], *_RoundingModel);
|
|
}
|
|
|
|
void R4300iOp::COP1_D_CMP()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
|
|
MIPS_DWORD Temp0, Temp1;
|
|
Temp0.DW = *(int64_t *)_FPR_D[m_Opcode.fs];
|
|
Temp1.DW = *(int64_t *)_FPR_D[m_Opcode.ft];
|
|
|
|
bool less, equal, unorded;
|
|
if (_isnan(Temp0.D) || _isnan(Temp1.D))
|
|
{
|
|
less = false;
|
|
equal = false;
|
|
unorded = true;
|
|
if ((m_Opcode.funct & 8) != 0)
|
|
{
|
|
FPStatusReg & StatusReg = (FPStatusReg &)_FPCR[31];
|
|
StatusReg.Cause.InvalidOperation = 1;
|
|
if (StatusReg.Enable.InvalidOperation)
|
|
{
|
|
g_Reg->DoFloatingPointException(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP);
|
|
g_System->m_PipelineStage = PIPELINE_STAGE_JUMP;
|
|
g_System->m_JumpToLocation = (*_PROGRAM_COUNTER);
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
StatusReg.Flags.InvalidOperation = 1;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
less = Temp0.D < Temp1.D;
|
|
equal = Temp0.D == Temp1.D;
|
|
unorded = false;
|
|
}
|
|
|
|
int32_t condition = ((m_Opcode.funct & 4) && less) | ((m_Opcode.funct & 2) && equal) |
|
|
((m_Opcode.funct & 1) && unorded);
|
|
|
|
if (condition != 0)
|
|
{
|
|
_FPCR[31] |= FPCSR_C;
|
|
}
|
|
else
|
|
{
|
|
_FPCR[31] &= ~FPCSR_C;
|
|
}
|
|
}
|
|
|
|
// COP1: W functions
|
|
|
|
void R4300iOp::COP1_W_CVT_S()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
fesetround(*_RoundingModel);
|
|
*(float *)_FPR_S[m_Opcode.fd] = (float)*(int32_t *)_FPR_S[m_Opcode.fs];
|
|
}
|
|
|
|
void R4300iOp::COP1_W_CVT_D()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
fesetround(*_RoundingModel);
|
|
*(double *)_FPR_D[m_Opcode.fd] = (double)*(int32_t *)_FPR_S[m_Opcode.fs];
|
|
}
|
|
|
|
// COP1: L functions
|
|
|
|
void R4300iOp::COP1_L_CVT_S()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
fesetround(*_RoundingModel);
|
|
*(float *)_FPR_S[m_Opcode.fd] = (float)*(int64_t *)_FPR_D[m_Opcode.fs];
|
|
}
|
|
|
|
void R4300iOp::COP1_L_CVT_D()
|
|
{
|
|
if (TestCop1UsableException())
|
|
{
|
|
return;
|
|
}
|
|
fesetround(*_RoundingModel);
|
|
*(double *)_FPR_D[m_Opcode.fd] = (double)*(int64_t *)_FPR_D[m_Opcode.fs];
|
|
}
|
|
|
|
// Other functions
|
|
void R4300iOp::ReservedInstruction()
|
|
{
|
|
g_Reg->DoIllegalInstructionException(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP);
|
|
g_System->m_PipelineStage = PIPELINE_STAGE_JUMP;
|
|
g_System->m_JumpToLocation = (*_PROGRAM_COUNTER);
|
|
}
|
|
|
|
void R4300iOp::UnknownOpcode()
|
|
{
|
|
if (HaveDebugger())
|
|
{
|
|
g_Settings->SaveBool(Debugger_SteppingOps, true);
|
|
g_Debugger->WaitForStep();
|
|
}
|
|
else
|
|
{
|
|
R4300iInstruction Opcode(*_PROGRAM_COUNTER, m_Opcode.Value);
|
|
g_Notify->DisplayError(stdstr_f("%s: %08X\n%s %s\n\nStopping emulation", GS(MSG_UNHANDLED_OP), (*_PROGRAM_COUNTER), Opcode.Name(), Opcode.Param()).c_str());
|
|
g_System->m_EndEmulation = true;
|
|
|
|
g_Notify->BreakPoint(__FILE__, __LINE__);
|
|
}
|
|
}
|
|
|
|
bool R4300iOp::MemoryBreakpoint()
|
|
{
|
|
if (g_Settings->LoadBool(Debugger_SteppingOps))
|
|
{
|
|
return false;
|
|
}
|
|
g_Settings->SaveBool(Debugger_SteppingOps, true);
|
|
g_Debugger->WaitForStep();
|
|
if (SkipOp())
|
|
{
|
|
// Skip command if instructed by the debugger
|
|
g_Settings->SaveBool(Debugger_SkipOp, false);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void R4300iOp::GenerateAddressErrorException(uint64_t VAddr, bool FromRead)
|
|
{
|
|
g_Reg->DoAddressError(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP, VAddr, FromRead);
|
|
g_System->m_PipelineStage = PIPELINE_STAGE_JUMP;
|
|
g_System->m_JumpToLocation = (*_PROGRAM_COUNTER);
|
|
}
|
|
|
|
void R4300iOp::GenerateOverflowException(void)
|
|
{
|
|
g_Reg->DoOverflowException(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP);
|
|
g_System->m_PipelineStage = PIPELINE_STAGE_JUMP;
|
|
g_System->m_JumpToLocation = (*_PROGRAM_COUNTER);
|
|
}
|
|
|
|
void R4300iOp::GenerateTLBReadException(uint64_t VAddr, const char * function)
|
|
{
|
|
if (bShowTLBMisses())
|
|
{
|
|
g_Notify->DisplayError(stdstr_f("%s TLB: %X", function, (uint32_t)VAddr).c_str());
|
|
}
|
|
g_Reg->DoTLBReadMiss(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP, VAddr);
|
|
g_System->m_PipelineStage = PIPELINE_STAGE_JUMP;
|
|
g_System->m_JumpToLocation = (*_PROGRAM_COUNTER);
|
|
}
|
|
|
|
void R4300iOp::GenerateTLBWriteException(uint64_t VAddr, const char * function)
|
|
{
|
|
if (bShowTLBMisses())
|
|
{
|
|
g_Notify->DisplayError(stdstr_f("%s TLB: %X", function, (uint32_t)VAddr).c_str());
|
|
}
|
|
g_Reg->DoTLBWriteMiss(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP, VAddr);
|
|
g_System->m_PipelineStage = PIPELINE_STAGE_JUMP;
|
|
g_System->m_JumpToLocation = (*_PROGRAM_COUNTER);
|
|
}
|
|
|
|
bool R4300iOp::TestCop1UsableException(void)
|
|
{
|
|
if ((g_Reg->STATUS_REGISTER & STATUS_CU1) == 0)
|
|
{
|
|
g_Reg->DoCopUnusableException(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP, 1);
|
|
g_System->m_PipelineStage = PIPELINE_STAGE_JUMP;
|
|
g_System->m_JumpToLocation = (*_PROGRAM_COUNTER);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool R4300iOp::CheckFPUInput32(const float & Value)
|
|
{
|
|
int Type = fpclassify(Value);
|
|
bool Exception = false;
|
|
if (Type == FP_SUBNORMAL)
|
|
{
|
|
FPStatusReg & StatusReg = (FPStatusReg &)_FPCR[31];
|
|
StatusReg.Cause.UnimplementedOperation = 1;
|
|
Exception = true;
|
|
}
|
|
else if (Type == FP_NAN)
|
|
{
|
|
uint32_t Value32 = *(uint32_t *)&Value;
|
|
FPStatusReg & StatusReg = (FPStatusReg &)_FPCR[31];
|
|
if ((Value32 >= 0x7F800001 && Value32 < 0x7FC00000) ||
|
|
(Value32 >= 0xFF800001 && Value32 < 0xFFC00000))
|
|
{
|
|
StatusReg.Cause.UnimplementedOperation = 1;
|
|
Exception = true;
|
|
}
|
|
else
|
|
{
|
|
StatusReg.Cause.InvalidOperation = 1;
|
|
if (StatusReg.Enable.InvalidOperation)
|
|
{
|
|
Exception = true;
|
|
}
|
|
else
|
|
{
|
|
StatusReg.Flags.InvalidOperation = 1;
|
|
}
|
|
}
|
|
}
|
|
if (Exception)
|
|
{
|
|
g_Reg->DoFloatingPointException(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP);
|
|
g_System->m_PipelineStage = PIPELINE_STAGE_JUMP;
|
|
g_System->m_JumpToLocation = (*_PROGRAM_COUNTER);
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool R4300iOp::CheckFPUInput64(const double & Value)
|
|
{
|
|
int Type = fpclassify(Value);
|
|
bool Exception = false;
|
|
if (Type == FP_SUBNORMAL)
|
|
{
|
|
FPStatusReg & StatusReg = (FPStatusReg &)_FPCR[31];
|
|
StatusReg.Cause.UnimplementedOperation = 1;
|
|
Exception = true;
|
|
}
|
|
else if (Type == FP_NAN)
|
|
{
|
|
uint64_t Value64 = *(uint64_t *)&Value;
|
|
FPStatusReg & StatusReg = (FPStatusReg &)_FPCR[31];
|
|
if ((Value64 >= 0x7FF0000000000001 && Value64 <= 0x7FF7FFFFFFFFFFFF) ||
|
|
(Value64 >= 0xFFF0000000000001 && Value64 <= 0xFFF7FFFFFFFFFFFF))
|
|
{
|
|
StatusReg.Cause.UnimplementedOperation = 1;
|
|
Exception = true;
|
|
}
|
|
else
|
|
{
|
|
StatusReg.Cause.InvalidOperation = 1;
|
|
if (StatusReg.Enable.InvalidOperation)
|
|
{
|
|
Exception = true;
|
|
}
|
|
else
|
|
{
|
|
StatusReg.Flags.InvalidOperation = 1;
|
|
}
|
|
}
|
|
}
|
|
if (Exception)
|
|
{
|
|
g_Reg->DoFloatingPointException(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP);
|
|
g_System->m_PipelineStage = PIPELINE_STAGE_JUMP;
|
|
g_System->m_JumpToLocation = (*_PROGRAM_COUNTER);
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool R4300iOp::CheckFPUResult32(float & Result)
|
|
{
|
|
int fptype = fpclassify(Result);
|
|
if (fptype == FP_NAN)
|
|
{
|
|
*((uint32_t *)&Result) = 0x7fbfffff;
|
|
}
|
|
else if (fptype == FP_SUBNORMAL)
|
|
{
|
|
FPStatusReg & StatusReg = (FPStatusReg &)_FPCR[31];
|
|
if (!StatusReg.FlushSubnormals || StatusReg.Enable.Underflow || StatusReg.Enable.Inexact)
|
|
{
|
|
StatusReg.Cause.UnimplementedOperation = 1;
|
|
g_Reg->DoFloatingPointException(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP);
|
|
g_System->m_PipelineStage = PIPELINE_STAGE_JUMP;
|
|
g_System->m_JumpToLocation = (*_PROGRAM_COUNTER);
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
StatusReg.Cause.Underflow = 1;
|
|
if (!StatusReg.Enable.Underflow)
|
|
{
|
|
StatusReg.Flags.Underflow = 1;
|
|
}
|
|
|
|
StatusReg.Cause.Inexact = 1;
|
|
if (!StatusReg.Enable.Inexact)
|
|
{
|
|
StatusReg.Flags.Inexact = 1;
|
|
}
|
|
|
|
switch (*_RoundingModel)
|
|
{
|
|
case FE_TONEAREST:
|
|
case FE_TOWARDZERO:
|
|
Result = Result >= 0.0f ? 0.0f : -0.0f;
|
|
break;
|
|
case FE_UPWARD:
|
|
Result = Result >= 0.0f ? 1.175494351e-38F : -0.0f;
|
|
break;
|
|
case FE_DOWNWARD:
|
|
Result = Result >= 0.0f ? 0.0f : -1.175494351e-38F;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool R4300iOp::CheckFPUResult64(double & Result)
|
|
{
|
|
int fptype = fpclassify(Result);
|
|
if (fptype == FP_NAN)
|
|
{
|
|
*((uint64_t *)&Result) = 0x7FF7FFFFFFFFFFFF;
|
|
}
|
|
else if (fptype == FP_SUBNORMAL)
|
|
{
|
|
FPStatusReg & StatusReg = (FPStatusReg &)_FPCR[31];
|
|
if (!StatusReg.FlushSubnormals || StatusReg.Enable.Underflow || StatusReg.Enable.Inexact)
|
|
{
|
|
StatusReg.Cause.UnimplementedOperation = 1;
|
|
g_Reg->DoFloatingPointException(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP);
|
|
g_System->m_PipelineStage = PIPELINE_STAGE_JUMP;
|
|
g_System->m_JumpToLocation = (*_PROGRAM_COUNTER);
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
StatusReg.Cause.Underflow = 1;
|
|
if (!StatusReg.Enable.Underflow)
|
|
{
|
|
StatusReg.Flags.Underflow = 1;
|
|
}
|
|
|
|
StatusReg.Cause.Inexact = 1;
|
|
if (!StatusReg.Enable.Inexact)
|
|
{
|
|
StatusReg.Flags.Inexact = 1;
|
|
}
|
|
|
|
switch (*_RoundingModel)
|
|
{
|
|
case FE_TONEAREST:
|
|
case FE_TOWARDZERO:
|
|
Result = Result >= 0.0 ? 0.0 : -0.0;
|
|
break;
|
|
case FE_UPWARD:
|
|
Result = Result >= 0.0 ? 2.2250738585072014e-308 : -0.0;
|
|
break;
|
|
case FE_DOWNWARD:
|
|
Result = Result >= 0.0 ? 0.0 : -2.2250738585072014e-308;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool R4300iOp::CheckFPUException(void)
|
|
{
|
|
int Except = fetestexcept(FE_ALL_EXCEPT);
|
|
if (Except == 0)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
bool Res = false;
|
|
FPStatusReg & StatusReg = (FPStatusReg &)_FPCR[31];
|
|
if ((Except & FE_INEXACT) != 0)
|
|
{
|
|
StatusReg.Cause.Inexact = 1;
|
|
if (StatusReg.Enable.Inexact)
|
|
{
|
|
Res = true;
|
|
}
|
|
else
|
|
{
|
|
StatusReg.Flags.Inexact = 1;
|
|
}
|
|
}
|
|
if ((Except & FE_UNDERFLOW) != 0)
|
|
{
|
|
StatusReg.Cause.Underflow = 1;
|
|
if (StatusReg.Enable.Underflow)
|
|
{
|
|
Res = true;
|
|
}
|
|
else
|
|
{
|
|
StatusReg.Flags.Underflow = 1;
|
|
}
|
|
}
|
|
if ((Except & FE_OVERFLOW) != 0)
|
|
{
|
|
StatusReg.Cause.Overflow = 1;
|
|
if (StatusReg.Enable.Overflow)
|
|
{
|
|
Res = true;
|
|
}
|
|
else
|
|
{
|
|
StatusReg.Flags.Overflow = 1;
|
|
}
|
|
}
|
|
if ((Except & FE_DIVBYZERO) != 0)
|
|
{
|
|
StatusReg.Cause.DivisionByZero = 1;
|
|
if (StatusReg.Enable.DivisionByZero)
|
|
{
|
|
Res = true;
|
|
}
|
|
else
|
|
{
|
|
StatusReg.Flags.DivisionByZero = 1;
|
|
}
|
|
}
|
|
if ((Except & FE_INVALID) != 0)
|
|
{
|
|
StatusReg.Cause.InvalidOperation = 1;
|
|
if (StatusReg.Enable.InvalidOperation)
|
|
{
|
|
Res = true;
|
|
}
|
|
else
|
|
{
|
|
StatusReg.Flags.InvalidOperation = 1;
|
|
}
|
|
}
|
|
if (Res)
|
|
{
|
|
g_Reg->DoFloatingPointException(g_System->m_PipelineStage == PIPELINE_STAGE_JUMP);
|
|
g_System->m_PipelineStage = PIPELINE_STAGE_JUMP;
|
|
g_System->m_JumpToLocation = (*_PROGRAM_COUNTER);
|
|
}
|
|
return Res;
|
|
}
|