/* * Project 64 - A Nintendo 64 emulator. * * (c) Copyright 2001 zilmar (zilmar@emulation64.com) and * Jabo (jabo@emulation64.com). * * pj64 homepage: www.pj64.net * * Permission to use, copy, modify and distribute Project64 in both binary and * source form, for non-commercial purposes, is hereby granted without fee, * providing that this license information and copyright notice appear with * all copies and any derived work. * * This software is provided 'as-is', without any express or implied * warranty. In no event shall the authors be held liable for any damages * arising from the use of this software. * * Project64 is freeware for PERSONAL USE only. Commercial users should * seek permission of the copyright holders first. Commercial use includes * charging money for Project64 or software derived from Project64. * * The copyright holders request that bug fixes and improvements to the code * should be forwarded to them so if they want them. * */ #include "stdafx.h" #include "../C Core/Logging.h" void InPermLoop ( void ); void TestInterpreterJump ( DWORD PC, DWORD TargetPC, int Reg1, int Reg2 ); BOOL R4300iOp::m_TestTimer = false; DWORD R4300iOp::m_NextInstruction; OPCODE R4300iOp::m_Opcode; DWORD R4300iOp::m_JumpToLocation; R4300iOp::Func R4300iOp::Jump_Opcode[64]; R4300iOp::Func R4300iOp::Jump_Special[64]; R4300iOp::Func R4300iOp::Jump_Regimm[32]; R4300iOp::Func R4300iOp::Jump_CoP0[32]; R4300iOp::Func R4300iOp::Jump_CoP0_Function[64]; R4300iOp::Func R4300iOp::Jump_CoP1[32]; R4300iOp::Func R4300iOp::Jump_CoP1_BC[32]; R4300iOp::Func R4300iOp::Jump_CoP1_S[64]; R4300iOp::Func R4300iOp::Jump_CoP1_D[64]; R4300iOp::Func R4300iOp::Jump_CoP1_W[64]; R4300iOp::Func R4300iOp::Jump_CoP1_L[64]; const DWORD R4300iOp::SWL_MASK[4] = { 0x00000000, 0xFF000000,0xFFFF0000,0xFFFFFF00 }; const DWORD R4300iOp::SWR_MASK[4] = { 0x00FFFFFF, 0x0000FFFF,0x000000FF,0x00000000 }; const DWORD R4300iOp::LWL_MASK[4] = { 0x00000000, 0x000000FF,0x0000FFFF,0x00FFFFFF }; const DWORD R4300iOp::LWR_MASK[4] = { 0xFFFFFF00, 0xFFFF0000,0xFF000000,0x0000000 }; const int R4300iOp::SWL_SHIFT[4] = { 0, 8, 16, 24 }; const int R4300iOp::SWR_SHIFT[4] = { 24, 16 , 8, 0 }; const int R4300iOp::LWL_SHIFT[4] = { 0, 8, 16, 24}; const int R4300iOp::LWR_SHIFT[4] = { 24, 16 ,8, 0 }; #define ADDRESS_ERROR_EXCEPTION(Address,FromRead) \ _Reg->DoAddressError(m_NextInstruction == JUMP,Address,FromRead);\ m_NextInstruction = JUMP;\ m_JumpToLocation = (*_PROGRAM_COUNTER);\ return; //#define TEST_COP1_USABLE_EXCEPTION #define TEST_COP1_USABLE_EXCEPTION \ if ((_Reg->STATUS_REGISTER & STATUS_CU1) == 0) {\ _Reg->DoCopUnusableException(m_NextInstruction == JUMP,1);\ m_NextInstruction = JUMP;\ m_JumpToLocation = (*_PROGRAM_COUNTER);\ return;\ } #define TLB_READ_EXCEPTION(Address) \ _Reg->DoTLBMiss(m_NextInstruction == JUMP,Address);\ m_NextInstruction = JUMP;\ m_JumpToLocation = (*_PROGRAM_COUNTER);\ return; void R4300iOp::SPECIAL (void) { Jump_Special[ m_Opcode.funct ](); } void R4300iOp::REGIMM (void) { Jump_Regimm[ m_Opcode.rt ](); } void R4300iOp::COP0 (void) { Jump_CoP0[ m_Opcode.rs ](); } void R4300iOp::COP0_CO (void) { Jump_CoP0_Function[ m_Opcode.funct ](); } void R4300iOp::COP1 (void) { Jump_CoP1[ m_Opcode.fmt ](); } void R4300iOp::COP1_BC (void) { Jump_CoP1_BC[ m_Opcode.ft ](); } void R4300iOp::COP1_S (void) { _controlfp(*_RoundingModel,_MCW_RC); Jump_CoP1_S[ m_Opcode.funct ](); } void R4300iOp::COP1_D (void) { _controlfp(*_RoundingModel,_MCW_RC); Jump_CoP1_D[ m_Opcode.funct ](); } void R4300iOp::COP1_W (void) { Jump_CoP1_W[ m_Opcode.funct ](); } void R4300iOp::COP1_L (void) { Jump_CoP1_L[ m_Opcode.funct ](); } R4300iOp::Func * R4300iOp::BuildInterpreter (void ) { Jump_Opcode[ 0] = SPECIAL; Jump_Opcode[ 1] = REGIMM; Jump_Opcode[ 2] = J; Jump_Opcode[ 3] = JAL; Jump_Opcode[ 4] = BEQ; Jump_Opcode[ 5] = BNE; Jump_Opcode[ 6] = BLEZ; Jump_Opcode[ 7] = BGTZ; Jump_Opcode[ 8] = ADDI; Jump_Opcode[ 9] = ADDIU; Jump_Opcode[10] = SLTI; Jump_Opcode[11] = SLTIU; Jump_Opcode[12] = ANDI; Jump_Opcode[13] = ORI; Jump_Opcode[14] = XORI; Jump_Opcode[15] = LUI; Jump_Opcode[16] = COP0; Jump_Opcode[17] = COP1; Jump_Opcode[18] = UnknownOpcode; Jump_Opcode[19] = UnknownOpcode; Jump_Opcode[20] = BEQL; Jump_Opcode[21] = BNEL; Jump_Opcode[22] = BLEZL; Jump_Opcode[23] = BGTZL; Jump_Opcode[24] = UnknownOpcode; Jump_Opcode[25] = DADDIU; Jump_Opcode[26] = LDL; Jump_Opcode[27] = LDR; Jump_Opcode[28] = UnknownOpcode; Jump_Opcode[29] = UnknownOpcode; Jump_Opcode[30] = UnknownOpcode; Jump_Opcode[31] = UnknownOpcode; Jump_Opcode[32] = LB; Jump_Opcode[33] = LH; Jump_Opcode[34] = LWL; Jump_Opcode[35] = LW; Jump_Opcode[36] = LBU; Jump_Opcode[37] = LHU; Jump_Opcode[38] = LWR; Jump_Opcode[39] = LWU; Jump_Opcode[40] = SB; Jump_Opcode[41] = SH; Jump_Opcode[42] = SWL; Jump_Opcode[43] = SW; Jump_Opcode[44] = SDL; Jump_Opcode[45] = SDR; Jump_Opcode[46] = SWR; Jump_Opcode[47] = CACHE; Jump_Opcode[48] = LL; Jump_Opcode[49] = LWC1; Jump_Opcode[50] = UnknownOpcode; Jump_Opcode[51] = UnknownOpcode; Jump_Opcode[52] = UnknownOpcode; Jump_Opcode[53] = LDC1; Jump_Opcode[54] = UnknownOpcode; Jump_Opcode[55] = LD; Jump_Opcode[56] = SC; Jump_Opcode[57] = SWC1; Jump_Opcode[58] = UnknownOpcode; Jump_Opcode[59] = UnknownOpcode; Jump_Opcode[60] = UnknownOpcode; Jump_Opcode[61] = SDC1; Jump_Opcode[62] = UnknownOpcode; Jump_Opcode[63] = SD; Jump_Special[ 0] = SPECIAL_SLL; Jump_Special[ 1] = UnknownOpcode; Jump_Special[ 2] = SPECIAL_SRL; Jump_Special[ 3] = SPECIAL_SRA; Jump_Special[ 4] = SPECIAL_SLLV; Jump_Special[ 5] = UnknownOpcode; Jump_Special[ 6] = SPECIAL_SRLV; Jump_Special[ 7] = SPECIAL_SRAV; Jump_Special[ 8] = SPECIAL_JR; Jump_Special[ 9] = SPECIAL_JALR; Jump_Special[10] = UnknownOpcode; Jump_Special[11] = UnknownOpcode; Jump_Special[12] = SPECIAL_SYSCALL; Jump_Special[13] = UnknownOpcode; Jump_Special[14] = UnknownOpcode; Jump_Special[15] = SPECIAL_SYNC; Jump_Special[16] = SPECIAL_MFHI; Jump_Special[17] = SPECIAL_MTHI; Jump_Special[18] = SPECIAL_MFLO; Jump_Special[19] = SPECIAL_MTLO; Jump_Special[20] = SPECIAL_DSLLV; Jump_Special[21] = UnknownOpcode; Jump_Special[22] = SPECIAL_DSRLV; Jump_Special[23] = SPECIAL_DSRAV; Jump_Special[24] = SPECIAL_MULT; Jump_Special[25] = SPECIAL_MULTU; Jump_Special[26] = SPECIAL_DIV; Jump_Special[27] = SPECIAL_DIVU; Jump_Special[28] = SPECIAL_DMULT; Jump_Special[29] = SPECIAL_DMULTU; Jump_Special[30] = SPECIAL_DDIV; Jump_Special[31] = SPECIAL_DDIVU; Jump_Special[32] = SPECIAL_ADD; Jump_Special[33] = SPECIAL_ADDU; Jump_Special[34] = SPECIAL_SUB; Jump_Special[35] = SPECIAL_SUBU; Jump_Special[36] = SPECIAL_AND; Jump_Special[37] = SPECIAL_OR; Jump_Special[38] = SPECIAL_XOR; Jump_Special[39] = SPECIAL_NOR; Jump_Special[40] = UnknownOpcode; Jump_Special[41] = UnknownOpcode; Jump_Special[42] = SPECIAL_SLT; Jump_Special[43] = SPECIAL_SLTU; Jump_Special[44] = SPECIAL_DADD; Jump_Special[45] = SPECIAL_DADDU; Jump_Special[46] = SPECIAL_DSUB; Jump_Special[47] = SPECIAL_DSUBU; Jump_Special[48] = UnknownOpcode; Jump_Special[49] = UnknownOpcode; Jump_Special[50] = UnknownOpcode; Jump_Special[51] = UnknownOpcode; Jump_Special[52] = SPECIAL_TEQ; Jump_Special[53] = UnknownOpcode; Jump_Special[54] = UnknownOpcode; Jump_Special[55] = UnknownOpcode; Jump_Special[56] = SPECIAL_DSLL; Jump_Special[57] = UnknownOpcode; Jump_Special[58] = SPECIAL_DSRL; Jump_Special[59] = SPECIAL_DSRA; Jump_Special[60] = SPECIAL_DSLL32; Jump_Special[61] = UnknownOpcode; Jump_Special[62] = SPECIAL_DSRL32; Jump_Special[63] = SPECIAL_DSRA32; Jump_Regimm[ 0] = REGIMM_BLTZ; Jump_Regimm[ 1] = REGIMM_BGEZ; Jump_Regimm[ 2] = REGIMM_BLTZL; Jump_Regimm[ 3] = REGIMM_BGEZL; Jump_Regimm[ 4] = UnknownOpcode; Jump_Regimm[ 5] = UnknownOpcode; Jump_Regimm[ 6] = UnknownOpcode; Jump_Regimm[ 7] = UnknownOpcode; Jump_Regimm[ 8] = UnknownOpcode; Jump_Regimm[ 9] = UnknownOpcode; Jump_Regimm[10] = UnknownOpcode; Jump_Regimm[11] = UnknownOpcode; Jump_Regimm[12] = UnknownOpcode; Jump_Regimm[13] = UnknownOpcode; Jump_Regimm[14] = UnknownOpcode; Jump_Regimm[15] = UnknownOpcode; Jump_Regimm[16] = REGIMM_BLTZAL; Jump_Regimm[17] = REGIMM_BGEZAL; Jump_Regimm[18] = UnknownOpcode; Jump_Regimm[19] = UnknownOpcode; Jump_Regimm[20] = UnknownOpcode; Jump_Regimm[21] = UnknownOpcode; Jump_Regimm[22] = UnknownOpcode; Jump_Regimm[23] = UnknownOpcode; Jump_Regimm[24] = UnknownOpcode; Jump_Regimm[25] = UnknownOpcode; Jump_Regimm[26] = UnknownOpcode; Jump_Regimm[27] = UnknownOpcode; Jump_Regimm[28] = UnknownOpcode; Jump_Regimm[29] = UnknownOpcode; Jump_Regimm[30] = UnknownOpcode; Jump_Regimm[31] = UnknownOpcode; Jump_CoP0[ 0] = COP0_MF; Jump_CoP0[ 1] = UnknownOpcode; Jump_CoP0[ 2] = UnknownOpcode; Jump_CoP0[ 3] = UnknownOpcode; Jump_CoP0[ 4] = COP0_MT; Jump_CoP0[ 5] = UnknownOpcode; Jump_CoP0[ 6] = UnknownOpcode; Jump_CoP0[ 7] = UnknownOpcode; Jump_CoP0[ 8] = UnknownOpcode; Jump_CoP0[ 9] = UnknownOpcode; Jump_CoP0[10] = UnknownOpcode; Jump_CoP0[11] = UnknownOpcode; Jump_CoP0[12] = UnknownOpcode; Jump_CoP0[13] = UnknownOpcode; Jump_CoP0[14] = UnknownOpcode; Jump_CoP0[15] = UnknownOpcode; Jump_CoP0[16] = COP0_CO; Jump_CoP0[17] = COP0_CO; Jump_CoP0[18] = COP0_CO; Jump_CoP0[19] = COP0_CO; Jump_CoP0[20] = COP0_CO; Jump_CoP0[21] = COP0_CO; Jump_CoP0[22] = COP0_CO; Jump_CoP0[23] = COP0_CO; Jump_CoP0[24] = COP0_CO; Jump_CoP0[25] = COP0_CO; Jump_CoP0[26] = COP0_CO; Jump_CoP0[27] = COP0_CO; Jump_CoP0[28] = COP0_CO; Jump_CoP0[29] = COP0_CO; Jump_CoP0[30] = COP0_CO; Jump_CoP0[31] = COP0_CO; Jump_CoP0_Function[ 0] = UnknownOpcode; Jump_CoP0_Function[ 1] = COP0_CO_TLBR; Jump_CoP0_Function[ 2] = COP0_CO_TLBWI; Jump_CoP0_Function[ 3] = UnknownOpcode; Jump_CoP0_Function[ 4] = UnknownOpcode; Jump_CoP0_Function[ 5] = UnknownOpcode; Jump_CoP0_Function[ 6] = COP0_CO_TLBWR; Jump_CoP0_Function[ 7] = UnknownOpcode; Jump_CoP0_Function[ 8] = COP0_CO_TLBP; Jump_CoP0_Function[ 9] = UnknownOpcode; Jump_CoP0_Function[10] = UnknownOpcode; Jump_CoP0_Function[11] = UnknownOpcode; Jump_CoP0_Function[12] = UnknownOpcode; Jump_CoP0_Function[13] = UnknownOpcode; Jump_CoP0_Function[14] = UnknownOpcode; Jump_CoP0_Function[15] = UnknownOpcode; Jump_CoP0_Function[16] = UnknownOpcode; Jump_CoP0_Function[17] = UnknownOpcode; Jump_CoP0_Function[18] = UnknownOpcode; Jump_CoP0_Function[19] = UnknownOpcode; Jump_CoP0_Function[20] = UnknownOpcode; Jump_CoP0_Function[21] = UnknownOpcode; Jump_CoP0_Function[22] = UnknownOpcode; Jump_CoP0_Function[23] = UnknownOpcode; Jump_CoP0_Function[24] = COP0_CO_ERET; Jump_CoP0_Function[25] = UnknownOpcode; Jump_CoP0_Function[26] = UnknownOpcode; Jump_CoP0_Function[27] = UnknownOpcode; Jump_CoP0_Function[28] = UnknownOpcode; Jump_CoP0_Function[29] = UnknownOpcode; Jump_CoP0_Function[30] = UnknownOpcode; Jump_CoP0_Function[31] = UnknownOpcode; Jump_CoP0_Function[32] = UnknownOpcode; Jump_CoP0_Function[33] = UnknownOpcode; Jump_CoP0_Function[34] = UnknownOpcode; Jump_CoP0_Function[35] = UnknownOpcode; Jump_CoP0_Function[36] = UnknownOpcode; Jump_CoP0_Function[37] = UnknownOpcode; Jump_CoP0_Function[38] = UnknownOpcode; Jump_CoP0_Function[39] = UnknownOpcode; Jump_CoP0_Function[40] = UnknownOpcode; Jump_CoP0_Function[41] = UnknownOpcode; Jump_CoP0_Function[42] = UnknownOpcode; Jump_CoP0_Function[43] = UnknownOpcode; Jump_CoP0_Function[44] = UnknownOpcode; Jump_CoP0_Function[45] = UnknownOpcode; Jump_CoP0_Function[46] = UnknownOpcode; Jump_CoP0_Function[47] = UnknownOpcode; Jump_CoP0_Function[48] = UnknownOpcode; Jump_CoP0_Function[49] = UnknownOpcode; Jump_CoP0_Function[50] = UnknownOpcode; Jump_CoP0_Function[51] = UnknownOpcode; Jump_CoP0_Function[52] = UnknownOpcode; Jump_CoP0_Function[53] = UnknownOpcode; Jump_CoP0_Function[54] = UnknownOpcode; Jump_CoP0_Function[55] = UnknownOpcode; Jump_CoP0_Function[56] = UnknownOpcode; Jump_CoP0_Function[57] = UnknownOpcode; Jump_CoP0_Function[58] = UnknownOpcode; Jump_CoP0_Function[59] = UnknownOpcode; Jump_CoP0_Function[60] = UnknownOpcode; Jump_CoP0_Function[61] = UnknownOpcode; Jump_CoP0_Function[62] = UnknownOpcode; Jump_CoP0_Function[63] = UnknownOpcode; Jump_CoP1[ 0] = COP1_MF; 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] = UnknownOpcode; Jump_CoP1_S[ 9] = COP1_S_TRUNC_L; Jump_CoP1_S[10] = COP1_S_CEIL_L; //added by Witten Jump_CoP1_S[11] = COP1_S_FLOOR_L; //added by Witten Jump_CoP1_S[12] = COP1_S_ROUND_W; Jump_CoP1_S[13] = COP1_S_TRUNC_W; Jump_CoP1_S[14] = COP1_S_CEIL_W; //added by Witten 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] = UnknownOpcode; Jump_CoP1_D[ 9] = COP1_D_TRUNC_L; //added by Witten Jump_CoP1_D[10] = COP1_D_CEIL_L; //added by Witten Jump_CoP1_D[11] = COP1_D_FLOOR_L; //added by Witten Jump_CoP1_D[12] = COP1_D_ROUND_W; Jump_CoP1_D[13] = COP1_D_TRUNC_W; Jump_CoP1_D[14] = COP1_D_CEIL_W; //added by Witten Jump_CoP1_D[15] = COP1_D_FLOOR_W; //added by Witten 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; } int DelaySlotEffectsCompare (DWORD PC, DWORD Reg1, DWORD Reg2); void TestInterpreterJump (DWORD PC, DWORD TargetPC, int Reg1, int Reg2) { if (PC != TargetPC) { return; } if (DelaySlotEffectsCompare(PC,Reg1,Reg2)) { return; } R4300iOp::m_NextInstruction = PERMLOOP_DO_DELAY; R4300iOp::m_TestTimer = TRUE; } /************************* Opcode functions *************************/ void R4300iOp::J (void) { m_NextInstruction = DELAY_SLOT; m_JumpToLocation = ((*_PROGRAM_COUNTER) & 0xF0000000) + (m_Opcode.target << 2); if ((*_PROGRAM_COUNTER) == m_JumpToLocation) { m_NextInstruction = PERMLOOP_DO_DELAY; } } void R4300iOp::JAL (void) { m_NextInstruction = DELAY_SLOT; m_JumpToLocation = ((*_PROGRAM_COUNTER) & 0xF0000000) + (m_Opcode.target << 2); _GPR[31].DW= (long)((*_PROGRAM_COUNTER) + 8); if ((*_PROGRAM_COUNTER) == m_JumpToLocation) { m_NextInstruction = PERMLOOP_DO_DELAY; } } void R4300iOp::BEQ (void) { m_NextInstruction = DELAY_SLOT; if (_GPR[m_Opcode.rs].DW == _GPR[m_Opcode.rt].DW) { m_JumpToLocation = (*_PROGRAM_COUNTER) + ((short)m_Opcode.offset << 2) + 4; if ((*_PROGRAM_COUNTER) == m_JumpToLocation) { if (!DelaySlotEffectsCompare(*_PROGRAM_COUNTER,m_Opcode.rs,m_Opcode.rt)) { m_NextInstruction = PERMLOOP_DO_DELAY; } } } else { m_JumpToLocation = (*_PROGRAM_COUNTER) + 8; } } void R4300iOp::BNE (void) { m_NextInstruction = DELAY_SLOT; if (_GPR[m_Opcode.rs].DW != _GPR[m_Opcode.rt].DW) { m_JumpToLocation = (*_PROGRAM_COUNTER) + ((short)m_Opcode.offset << 2) + 4; if ((*_PROGRAM_COUNTER) == m_JumpToLocation) { if (!DelaySlotEffectsCompare(*_PROGRAM_COUNTER,m_Opcode.rs,m_Opcode.rt)) { m_NextInstruction = PERMLOOP_DO_DELAY; } } } else { m_JumpToLocation = (*_PROGRAM_COUNTER) + 8; } } void R4300iOp::BLEZ (void) { m_NextInstruction = DELAY_SLOT; if (_GPR[m_Opcode.rs].DW <= 0) { m_JumpToLocation = (*_PROGRAM_COUNTER) + ((short)m_Opcode.offset << 2) + 4; if ((*_PROGRAM_COUNTER) == m_JumpToLocation) { if (!DelaySlotEffectsCompare(*_PROGRAM_COUNTER,m_Opcode.rs,0)) { m_NextInstruction = PERMLOOP_DO_DELAY; } } } else { m_JumpToLocation = (*_PROGRAM_COUNTER) + 8; } } void R4300iOp::BGTZ (void) { m_NextInstruction = DELAY_SLOT; if (_GPR[m_Opcode.rs].DW > 0) { m_JumpToLocation = (*_PROGRAM_COUNTER) + ((short)m_Opcode.offset << 2) + 4; if ((*_PROGRAM_COUNTER) == m_JumpToLocation) { if (!DelaySlotEffectsCompare(*_PROGRAM_COUNTER,m_Opcode.rs,0)) { m_NextInstruction = PERMLOOP_DO_DELAY; } } } else { m_JumpToLocation = (*_PROGRAM_COUNTER) + 8; } } void R4300iOp::ADDI (void) { #ifdef Interpreter_StackTest if (m_Opcode.rs == 29 && m_Opcode.rt == 29) { StackValue += (short)m_Opcode.immediate; } #endif if (m_Opcode.rt == 0) { return; } _GPR[m_Opcode.rt].DW = (_GPR[m_Opcode.rs].W[0] + ((short)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::ADDIU (void) { #ifdef Interpreter_StackTest if (m_Opcode.rs == 29 && m_Opcode.rt == 29) { StackValue += (short)m_Opcode.immediate; } #endif _GPR[m_Opcode.rt].DW = (_GPR[m_Opcode.rs].W[0] + ((short)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 (void) { if (_GPR[m_Opcode.rs].DW < (_int64)((short)m_Opcode.immediate)) { _GPR[m_Opcode.rt].DW = 1; } else { _GPR[m_Opcode.rt].DW = 0; } } void R4300iOp::SLTIU (void) { int imm32 = (short)m_Opcode.immediate; __int64 imm64; imm64 = imm32; _GPR[m_Opcode.rt].DW = _GPR[m_Opcode.rs].UDW < (unsigned __int64)imm64?1:0; } void R4300iOp::ANDI (void) { _GPR[m_Opcode.rt].DW = _GPR[m_Opcode.rs].DW & m_Opcode.immediate; } void R4300iOp::ORI (void) { _GPR[m_Opcode.rt].DW = _GPR[m_Opcode.rs].DW | m_Opcode.immediate; } void R4300iOp::XORI (void) { _GPR[m_Opcode.rt].DW = _GPR[m_Opcode.rs].DW ^ m_Opcode.immediate; } void R4300iOp::LUI (void) { if (m_Opcode.rt == 0) { return; } _GPR[m_Opcode.rt].DW = (long)((short)m_Opcode.offset << 16); #ifdef Interpreter_StackTest if (m_Opcode.rt == 29) { StackValue = _GPR[m_Opcode.rt].W[0]; } #endif } void R4300iOp::BEQL (void) { if (_GPR[m_Opcode.rs].DW == _GPR[m_Opcode.rt].DW) { m_NextInstruction = DELAY_SLOT; m_JumpToLocation = (*_PROGRAM_COUNTER) + ((short)m_Opcode.offset << 2) + 4; if ((*_PROGRAM_COUNTER) == m_JumpToLocation) { if (!DelaySlotEffectsCompare(*_PROGRAM_COUNTER,m_Opcode.rs,m_Opcode.rt)) { m_NextInstruction = PERMLOOP_DO_DELAY; } } } else { m_NextInstruction = JUMP; m_JumpToLocation = (*_PROGRAM_COUNTER) + 8; } } void R4300iOp::BNEL (void) { if (_GPR[m_Opcode.rs].DW != _GPR[m_Opcode.rt].DW) { m_NextInstruction = DELAY_SLOT; m_JumpToLocation = (*_PROGRAM_COUNTER) + ((short)m_Opcode.offset << 2) + 4; if ((*_PROGRAM_COUNTER) == m_JumpToLocation) { if (!DelaySlotEffectsCompare(*_PROGRAM_COUNTER,m_Opcode.rs,m_Opcode.rt)) { m_NextInstruction = PERMLOOP_DO_DELAY; } } } else { m_NextInstruction = JUMP; m_JumpToLocation = (*_PROGRAM_COUNTER) + 8; } } void R4300iOp::BLEZL (void) { if (_GPR[m_Opcode.rs].DW <= 0) { m_NextInstruction = DELAY_SLOT; m_JumpToLocation = (*_PROGRAM_COUNTER) + ((short)m_Opcode.offset << 2) + 4; if ((*_PROGRAM_COUNTER) == m_JumpToLocation) { if (!DelaySlotEffectsCompare(*_PROGRAM_COUNTER,m_Opcode.rs,0)) { m_NextInstruction = PERMLOOP_DO_DELAY; } } } else { m_NextInstruction = JUMP; m_JumpToLocation = (*_PROGRAM_COUNTER) + 8; } } void R4300iOp::BGTZL (void) { if (_GPR[m_Opcode.rs].DW > 0) { m_NextInstruction = DELAY_SLOT; m_JumpToLocation = (*_PROGRAM_COUNTER) + ((short)m_Opcode.offset << 2) + 4; if ((*_PROGRAM_COUNTER) == m_JumpToLocation) { if (!DelaySlotEffectsCompare(*_PROGRAM_COUNTER,m_Opcode.rs,0)) { m_NextInstruction = PERMLOOP_DO_DELAY; } } } else { m_NextInstruction = JUMP; m_JumpToLocation = (*_PROGRAM_COUNTER) + 8; } } void R4300iOp::DADDIU (void) { _GPR[m_Opcode.rt].DW = _GPR[m_Opcode.rs].DW + (_int64)((short)m_Opcode.immediate); } QWORD LDL_MASK[8] = { 0,0xFF,0xFFFF,0xFFFFFF,0xFFFFFFFF,0xFFFFFFFFFF, 0xFFFFFFFFFFFF, 0xFFFFFFFFFFFFFF }; int LDL_SHIFT[8] = { 0, 8, 16, 24, 32, 40, 48, 56 }; void R4300iOp::LDL (void) { DWORD Offset, Address; QWORD Value; Address = _GPR[m_Opcode.base].UW[0] + (short)m_Opcode.offset; Offset = Address & 7; if (!_MMU->LD_VAddr((Address & ~7),Value)) { if (g_ShowTLBMisses) { DisplayError("LDL TLB: %X",Address); } return; } _GPR[m_Opcode.rt].DW = _GPR[m_Opcode.rt].DW & LDL_MASK[Offset]; _GPR[m_Opcode.rt].DW += Value << LDL_SHIFT[Offset]; } QWORD LDR_MASK[8] = { 0xFFFFFFFFFFFFFF00, 0xFFFFFFFFFFFF0000, 0xFFFFFFFFFF000000, 0xFFFFFFFF00000000, 0xFFFFFF0000000000, 0xFFFF000000000000, 0xFF00000000000000, 0 }; int LDR_SHIFT[8] = { 56, 48, 40, 32, 24, 16, 8, 0 }; void R4300iOp::LDR (void) { DWORD Offset, Address; QWORD Value; Address = _GPR[m_Opcode.base].UW[0] + (short)m_Opcode.offset; Offset = Address & 7; if (!_MMU->LD_VAddr((Address & ~7),Value)) { if (g_ShowTLBMisses) { DisplayError("LDR TLB: %X",Address); } return; } _GPR[m_Opcode.rt].DW = _GPR[m_Opcode.rt].DW & LDR_MASK[Offset]; _GPR[m_Opcode.rt].DW += Value >> LDR_SHIFT[Offset]; } void R4300iOp::LB (void) { DWORD Address = _GPR[m_Opcode.base].UW[0] + (short)m_Opcode.offset; if (m_Opcode.rt == 0) { return; } if (!_MMU->LB_VAddr(Address,_GPR[m_Opcode.rt].UB[0])) { if (g_ShowTLBMisses) { #ifndef EXTERNAL_RELEASE DisplayError("LB TLB: %X",Address); #endif } TLB_READ_EXCEPTION(Address); } else { _GPR[m_Opcode.rt].DW = _GPR[m_Opcode.rt].B[0]; } } void R4300iOp::LH (void) { DWORD Address = _GPR[m_Opcode.base].UW[0] + (short)m_Opcode.offset; if ((Address & 1) != 0) { ADDRESS_ERROR_EXCEPTION(Address,TRUE); } if (!_MMU->LH_VAddr(Address,_GPR[m_Opcode.rt].UHW[0])) { if (g_ShowTLBMisses) { DisplayError("LH TLB: %X",Address); } TLB_READ_EXCEPTION(Address); } else { _GPR[m_Opcode.rt].DW = _GPR[m_Opcode.rt].HW[0]; } } void R4300iOp::LWL (void) { DWORD Offset, Address, Value; Address = _GPR[m_Opcode.base].UW[0] + (short)m_Opcode.offset; Offset = Address & 3; if (!_MMU->LW_VAddr((Address & ~3),Value)) { if (g_ShowTLBMisses) { DisplayError("LWL TLB: %X",Address); } return; } _GPR[m_Opcode.rt].DW = (int)(_GPR[m_Opcode.rt].W[0] & LWL_MASK[Offset]); _GPR[m_Opcode.rt].DW += (int)(Value << LWL_SHIFT[Offset]); } void R4300iOp::LW (void) { DWORD Address = _GPR[m_Opcode.base].UW[0] + (short)m_Opcode.offset; if ((Address & 3) != 0) { ADDRESS_ERROR_EXCEPTION(Address,TRUE); } if (LogOptions.GenerateLog) { Log_LW((*_PROGRAM_COUNTER),Address); } if (m_Opcode.rt == 0) { return; } if (!_MMU->LW_VAddr(Address,_GPR[m_Opcode.rt].UW[0])) { if (g_ShowTLBMisses) { DisplayError("LW TLB: %X",Address); } TLB_READ_EXCEPTION(Address); } else { _GPR[m_Opcode.rt].DW = _GPR[m_Opcode.rt].W[0]; } } void R4300iOp::LBU (void) { DWORD Address = _GPR[m_Opcode.base].UW[0] + (short)m_Opcode.offset; if (!_MMU->LB_VAddr(Address,_GPR[m_Opcode.rt].UB[0])) { if (g_ShowTLBMisses) { DisplayError("LBU TLB: %X",Address); } TLB_READ_EXCEPTION(Address); } else { _GPR[m_Opcode.rt].UDW = _GPR[m_Opcode.rt].UB[0]; } } void R4300iOp::LHU (void) { DWORD Address = _GPR[m_Opcode.base].UW[0] + (short)m_Opcode.offset; if ((Address & 1) != 0) { ADDRESS_ERROR_EXCEPTION(Address,TRUE); } if (!_MMU->LH_VAddr(Address,_GPR[m_Opcode.rt].UHW[0])) { if (g_ShowTLBMisses) { DisplayError("LHU TLB: %X",Address); } TLB_READ_EXCEPTION(Address); } else { _GPR[m_Opcode.rt].UDW = _GPR[m_Opcode.rt].UHW[0]; } } void R4300iOp::LWR (void) { DWORD Offset, Address, Value; Address = _GPR[m_Opcode.base].UW[0] + (short)m_Opcode.offset; Offset = Address & 3; if (!_MMU->LW_VAddr((Address & ~3),Value)) { if (g_ShowTLBMisses) { DisplayError("LWR TLB: %X",Address); } return; } _GPR[m_Opcode.rt].DW = (int)(_GPR[m_Opcode.rt].W[0] & LWR_MASK[Offset]); _GPR[m_Opcode.rt].DW += (int)(Value >> LWR_SHIFT[Offset]); } void R4300iOp::LWU (void) { DWORD Address = _GPR[m_Opcode.base].UW[0] + (short)m_Opcode.offset; if ((Address & 3) != 0) { ADDRESS_ERROR_EXCEPTION(Address,TRUE); } if (m_Opcode.rt == 0) { return; } if (!_MMU->LW_VAddr(Address,_GPR[m_Opcode.rt].UW[0])) { if (g_ShowTLBMisses) { DisplayError("LWU TLB: %X",Address); } TLB_READ_EXCEPTION(Address); } else { _GPR[m_Opcode.rt].UDW = _GPR[m_Opcode.rt].UW[0]; } } void R4300iOp::SB (void) { DWORD Address = _GPR[m_Opcode.base].UW[0] + (short)m_Opcode.offset; if (!_MMU->SB_VAddr(Address,_GPR[m_Opcode.rt].UB[0])) { #ifndef EXTERNAL_RELEASE DisplayError("SB TLB: %X",Address); #endif } } void R4300iOp::SH (void) { DWORD Address = _GPR[m_Opcode.base].UW[0] + (short)m_Opcode.offset; if ((Address & 1) != 0) { ADDRESS_ERROR_EXCEPTION(Address,FALSE); } if (!_MMU->SH_VAddr(Address,_GPR[m_Opcode.rt].UHW[0])) { #ifndef EXTERNAL_RELEASE DisplayError("SH TLB: %X",Address); #endif } } void R4300iOp::SWL (void) { DWORD Offset, Address, Value; Address = _GPR[m_Opcode.base].UW[0] + (short)m_Opcode.offset; Offset = Address & 3; if (!_MMU->LW_VAddr((Address & ~3),Value)) { #ifndef EXTERNAL_RELEASE DisplayError("SWL TLB: %X",Address); #endif return; } Value &= SWL_MASK[Offset]; Value += _GPR[m_Opcode.rt].UW[0] >> SWL_SHIFT[Offset]; if (!_MMU->SW_VAddr((Address & ~0x03),Value)) { #ifndef EXTERNAL_RELEASE DisplayError("SWL TLB: %X",Address); #endif } } void R4300iOp::SW (void) { DWORD Address = _GPR[m_Opcode.base].UW[0] + (short)m_Opcode.offset; if ((Address & 3) != 0) { ADDRESS_ERROR_EXCEPTION(Address,FALSE); } #if (!defined(EXTERNAL_RELEASE)) if (LogOptions.GenerateLog) { Log_SW((*_PROGRAM_COUNTER),Address,_GPR[m_Opcode.rt].UW[0]); } #endif if (!_MMU->SW_VAddr(Address,_GPR[m_Opcode.rt].UW[0])) { if (g_ShowTLBMisses) { DisplayError("SW TLB: %X",Address); } } } QWORD SDL_MASK[8] = { 0,0xFF00000000000000, 0xFFFF000000000000, 0xFFFFFF0000000000, 0xFFFFFFFF00000000, 0xFFFFFFFFFF000000, 0xFFFFFFFFFFFF0000, 0xFFFFFFFFFFFFFF00 }; int SDL_SHIFT[8] = { 0, 8, 16, 24, 32, 40, 48, 56 }; void R4300iOp::SDL (void) { DWORD Offset, Address; QWORD Value; Address = _GPR[m_Opcode.base].UW[0] + (short)m_Opcode.offset; Offset = Address & 7; if (!_MMU->LD_VAddr((Address & ~7),Value)) { #ifndef EXTERNAL_RELEASE DisplayError("SDL TLB: %X",Address); #endif return; } Value &= SDL_MASK[Offset]; Value += _GPR[m_Opcode.rt].UDW >> SDL_SHIFT[Offset]; if (!_MMU->SD_VAddr((Address & ~7),Value)) { #ifndef EXTERNAL_RELEASE DisplayError("SDL TLB: %X",Address); #endif } } QWORD SDR_MASK[8] = { 0x00FFFFFFFFFFFFFF, 0x0000FFFFFFFFFFFF, 0x000000FFFFFFFFFF, 0x00000000FFFFFFFF, 0x0000000000FFFFFF, 0x000000000000FFFF, 0x00000000000000FF, 0x0000000000000000 }; int SDR_SHIFT[8] = { 56,48,40,32,24,16,8,0 }; void R4300iOp::SDR (void) { DWORD Offset, Address; QWORD Value; Address = _GPR[m_Opcode.base].UW[0] + (short)m_Opcode.offset; Offset = Address & 7; if (!_MMU->LD_VAddr((Address & ~7),Value)) { #ifndef EXTERNAL_RELEASE DisplayError("SDL TLB: %X",Address); #endif return; } Value &= SDR_MASK[Offset]; Value += _GPR[m_Opcode.rt].UDW << SDR_SHIFT[Offset]; if (!_MMU->SD_VAddr((Address & ~7),Value)) { #ifndef EXTERNAL_RELEASE DisplayError("SDL TLB: %X",Address); #endif } } void R4300iOp::SWR (void) { DWORD Offset, Address, Value; Address = _GPR[m_Opcode.base].UW[0] + (short)m_Opcode.offset; Offset = Address & 3; if (!_MMU->LW_VAddr((Address & ~3),Value)) { #ifndef EXTERNAL_RELEASE DisplayError("SWL TLB: %X",Address); #endif return; } Value &= SWR_MASK[Offset]; Value += _GPR[m_Opcode.rt].UW[0] << SWR_SHIFT[Offset]; if (!_MMU->SW_VAddr((Address & ~0x03),Value)) { #ifndef EXTERNAL_RELEASE DisplayError("SWL TLB: %X",Address); #endif } } void R4300iOp::CACHE (void) { #if (!defined(EXTERNAL_RELEASE)) if (!LogOptions.LogCache) { return; } LogMessage("%08X: Cache operation %d, 0x%08X", (*_PROGRAM_COUNTER), m_Opcode.rt, _GPR[m_Opcode.base].UW[0] + (short)m_Opcode.offset ); #endif } void R4300iOp::LL (void) { DWORD Address = _GPR[m_Opcode.base].UW[0] + (short)m_Opcode.offset; if ((Address & 3) != 0) { ADDRESS_ERROR_EXCEPTION(Address,TRUE); } if (m_Opcode.rt == 0) { return; } if (!_MMU->LW_VAddr(Address,_GPR[m_Opcode.rt].UW[0])) { if (g_ShowTLBMisses) { DisplayError("LL TLB: %X",Address); } TLB_READ_EXCEPTION(Address); } else { _GPR[m_Opcode.rt].DW = _GPR[m_Opcode.rt].W[0]; (*_LLBit) = 1; } } void R4300iOp::LWC1 (void) { DWORD Address = _GPR[m_Opcode.base].UW[0] + (DWORD)((short)m_Opcode.offset); TEST_COP1_USABLE_EXCEPTION if ((Address & 3) != 0) { ADDRESS_ERROR_EXCEPTION(Address,TRUE); } if (!_MMU->LW_VAddr(Address,*(DWORD *)_FPR_S[m_Opcode.ft])) { if (g_ShowTLBMisses) { DisplayError("LWC1 TLB: %X",Address); } TLB_READ_EXCEPTION(Address); } } void R4300iOp::SC (void) { DWORD Address = _GPR[m_Opcode.base].UW[0] + (short)m_Opcode.offset; if ((Address & 3) != 0) { ADDRESS_ERROR_EXCEPTION(Address,FALSE); } #if (!defined(EXTERNAL_RELEASE)) Log_SW((*_PROGRAM_COUNTER),Address,_GPR[m_Opcode.rt].UW[0]); #endif if ((*_LLBit) == 1) { if (!_MMU->SW_VAddr(Address,_GPR[m_Opcode.rt].UW[0])) { if (g_ShowTLBMisses) { DisplayError("SC TLB: %X",Address); } } } _GPR[m_Opcode.rt].UW[0] = (*_LLBit); } void R4300iOp::LD (void) { DWORD Address = _GPR[m_Opcode.base].UW[0] + (short)m_Opcode.offset; if ((Address & 7) != 0) { ADDRESS_ERROR_EXCEPTION(Address,TRUE); } if (!_MMU->LD_VAddr(Address,_GPR[m_Opcode.rt].UDW)) { #ifndef EXTERNAL_RELEASE DisplayError("LD TLB: %X",Address); #endif } #ifdef Interpreter_StackTest if (m_Opcode.rt == 29) { StackValue = _GPR[m_Opcode.rt].W[0]; } #endif } void R4300iOp::LDC1 (void) { DWORD Address = _GPR[m_Opcode.base].UW[0] + (short)m_Opcode.offset; TEST_COP1_USABLE_EXCEPTION if ((Address & 7) != 0) { ADDRESS_ERROR_EXCEPTION(Address,TRUE); } if (!_MMU->LD_VAddr(Address,*(unsigned __int64 *)_FPR_D[m_Opcode.ft])) { #ifndef EXTERNAL_RELEASE DisplayError("LD TLB: %X",Address); #endif } } void R4300iOp::SWC1 (void) { DWORD Address = _GPR[m_Opcode.base].UW[0] + (short)m_Opcode.offset; TEST_COP1_USABLE_EXCEPTION if ((Address & 3) != 0) { ADDRESS_ERROR_EXCEPTION(Address,FALSE); } if (!_MMU->SW_VAddr(Address,*(DWORD *)_FPR_S[m_Opcode.ft])) { #ifndef EXTERNAL_RELEASE DisplayError("SWC1 TLB: %X",Address); #endif } } void R4300iOp::SDC1 (void) { DWORD Address = _GPR[m_Opcode.base].UW[0] + (short)m_Opcode.offset; TEST_COP1_USABLE_EXCEPTION if ((Address & 7) != 0) { ADDRESS_ERROR_EXCEPTION(Address,FALSE); } if (!_MMU->SD_VAddr(Address,*(__int64 *)_FPR_D[m_Opcode.ft])) { #ifndef EXTERNAL_RELEASE DisplayError("SDC1 TLB: %X",Address); #endif } } void R4300iOp::SD (void) { DWORD Address = _GPR[m_Opcode.base].UW[0] + (short)m_Opcode.offset; if ((Address & 7) != 0) { ADDRESS_ERROR_EXCEPTION(Address,FALSE); } if (!_MMU->SD_VAddr(Address,_GPR[m_Opcode.rt].UDW)) { #ifndef EXTERNAL_RELEASE DisplayError("SD TLB: %X",Address); #endif } } /********************** R4300i OpCodes: Special **********************/ void R4300iOp::SPECIAL_SLL (void) { _GPR[m_Opcode.rd].DW = (_GPR[m_Opcode.rt].W[0] << m_Opcode.sa); } void R4300iOp::SPECIAL_SRL (void) { _GPR[m_Opcode.rd].DW = (int)(_GPR[m_Opcode.rt].UW[0] >> m_Opcode.sa); } void R4300iOp::SPECIAL_SRA (void) { _GPR[m_Opcode.rd].DW = (_GPR[m_Opcode.rt].W[0] >> m_Opcode.sa); } void R4300iOp::SPECIAL_SLLV (void) { if (m_Opcode.rd == 0) { return; } _GPR[m_Opcode.rd].DW = (_GPR[m_Opcode.rt].W[0] << (_GPR[m_Opcode.rs].UW[0] & 0x1F)); } void R4300iOp::SPECIAL_SRLV (void) { _GPR[m_Opcode.rd].DW = (int)(_GPR[m_Opcode.rt].UW[0] >> (_GPR[m_Opcode.rs].UW[0] & 0x1F)); } void R4300iOp::SPECIAL_SRAV (void) { _GPR[m_Opcode.rd].DW = (_GPR[m_Opcode.rt].W[0] >> (_GPR[m_Opcode.rs].UW[0] & 0x1F)); } void R4300iOp::SPECIAL_JR (void) { m_NextInstruction = DELAY_SLOT; m_JumpToLocation = _GPR[m_Opcode.rs].UW[0]; m_TestTimer = TRUE; } void R4300iOp::SPECIAL_JALR (void) { m_NextInstruction = DELAY_SLOT; m_JumpToLocation = _GPR[m_Opcode.rs].UW[0]; _GPR[m_Opcode.rd].DW = (long)((*_PROGRAM_COUNTER) + 8); m_TestTimer = TRUE; } void R4300iOp::SPECIAL_SYSCALL (void) { _Reg->DoSysCallException(m_NextInstruction == JUMP); m_NextInstruction = JUMP; m_JumpToLocation = (*_PROGRAM_COUNTER); } void R4300iOp::SPECIAL_BREAK (void) { _Reg->DoBreakException(m_NextInstruction == JUMP); m_NextInstruction = JUMP; m_JumpToLocation = (*_PROGRAM_COUNTER); } void R4300iOp::SPECIAL_SYNC (void) { } void R4300iOp::SPECIAL_MFHI (void) { _GPR[m_Opcode.rd].DW = _RegHI->DW; } void R4300iOp::SPECIAL_MTHI (void) { _RegHI->DW = _GPR[m_Opcode.rs].DW; } void R4300iOp::SPECIAL_MFLO (void) { _GPR[m_Opcode.rd].DW = _RegLO->DW; } void R4300iOp::SPECIAL_MTLO (void) { _RegLO->DW = _GPR[m_Opcode.rs].DW; } void R4300iOp::SPECIAL_DSLLV (void) { _GPR[m_Opcode.rd].DW = _GPR[m_Opcode.rt].DW << (_GPR[m_Opcode.rs].UW[0] & 0x3F); } void R4300iOp::SPECIAL_DSRLV (void) { _GPR[m_Opcode.rd].UDW = _GPR[m_Opcode.rt].UDW >> (_GPR[m_Opcode.rs].UW[0] & 0x3F); } void R4300iOp::SPECIAL_DSRAV (void) { _GPR[m_Opcode.rd].DW = _GPR[m_Opcode.rt].DW >> (_GPR[m_Opcode.rs].UW[0] & 0x3F); } void R4300iOp::SPECIAL_MULT (void) { _RegHI->DW = (_int64)(_GPR[m_Opcode.rs].W[0]) * (_int64)(_GPR[m_Opcode.rt].W[0]); _RegLO->DW = _RegHI->W[0]; _RegHI->DW = _RegHI->W[1]; } void R4300iOp::SPECIAL_MULTU (void) { _RegHI->DW = (unsigned _int64)(_GPR[m_Opcode.rs].UW[0]) * (unsigned _int64)(_GPR[m_Opcode.rt].UW[0]); _RegLO->DW = _RegHI->W[0]; _RegHI->DW = _RegHI->W[1]; } void R4300iOp::SPECIAL_DIV (void) { if ( _GPR[m_Opcode.rt].UDW != 0 ) { _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 { #ifndef EXTERNAL_RELEASE DisplayError("DIV by 0 ???"); #endif } } void R4300iOp::SPECIAL_DIVU (void) { if ( _GPR[m_Opcode.rt].UDW != 0 ) { _RegLO->DW = (int)(_GPR[m_Opcode.rs].UW[0] / _GPR[m_Opcode.rt].UW[0]); _RegHI->DW = (int)(_GPR[m_Opcode.rs].UW[0] % _GPR[m_Opcode.rt].UW[0]); } else { #ifndef EXTERNAL_RELEASE DisplayError("DIVU by 0 ???"); #endif } } void R4300iOp::SPECIAL_DMULT (void) { MIPS_DWORD Tmp[3]; _RegLO->UDW = (QWORD)_GPR[m_Opcode.rs].UW[0] * (QWORD)_GPR[m_Opcode.rt].UW[0]; Tmp[0].UDW = (_int64)_GPR[m_Opcode.rs].W[1] * (_int64)(QWORD)_GPR[m_Opcode.rt].UW[0]; Tmp[1].UDW = (_int64)(QWORD)_GPR[m_Opcode.rs].UW[0] * (_int64)_GPR[m_Opcode.rt].W[1]; _RegHI->UDW = (_int64)_GPR[m_Opcode.rs].W[1] * (_int64)_GPR[m_Opcode.rt].W[1]; Tmp[2].UDW = (QWORD)_RegLO->UW[1] + (QWORD)Tmp[0].UW[0] + (QWORD)Tmp[1].UW[0]; _RegLO->UDW += ((QWORD)Tmp[0].UW[0] + (QWORD)Tmp[1].UW[0]) << 32; _RegHI->UDW += (QWORD)Tmp[0].W[1] + (QWORD)Tmp[1].W[1] + Tmp[2].UW[1]; } void R4300iOp::SPECIAL_DMULTU (void) { MIPS_DWORD Tmp[3]; _RegLO->UDW = (QWORD)_GPR[m_Opcode.rs].UW[0] * (QWORD)_GPR[m_Opcode.rt].UW[0]; Tmp[0].UDW = (QWORD)_GPR[m_Opcode.rs].UW[1] * (QWORD)_GPR[m_Opcode.rt].UW[0]; Tmp[1].UDW = (QWORD)_GPR[m_Opcode.rs].UW[0] * (QWORD)_GPR[m_Opcode.rt].UW[1]; _RegHI->UDW = (QWORD)_GPR[m_Opcode.rs].UW[1] * (QWORD)_GPR[m_Opcode.rt].UW[1]; Tmp[2].UDW = (QWORD)_RegLO->UW[1] + (QWORD)Tmp[0].UW[0] + (QWORD)Tmp[1].UW[0]; _RegLO->UDW += ((QWORD)Tmp[0].UW[0] + (QWORD)Tmp[1].UW[0]) << 32; _RegHI->UDW += (QWORD)Tmp[0].UW[1] + (QWORD)Tmp[1].UW[1] + Tmp[2].UW[1]; } void R4300iOp::SPECIAL_DDIV (void) { 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 { #ifndef EXTERNAL_RELEASE DisplayError("DDIV by 0 ???"); #endif } } void R4300iOp::SPECIAL_DDIVU (void) { 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 { #ifndef EXTERNAL_RELEASE DisplayError("DDIVU by 0 ???"); #endif } } void R4300iOp::SPECIAL_ADD (void) { _GPR[m_Opcode.rd].DW = _GPR[m_Opcode.rs].W[0] + _GPR[m_Opcode.rt].W[0]; } void R4300iOp::SPECIAL_ADDU (void) { _GPR[m_Opcode.rd].DW = _GPR[m_Opcode.rs].W[0] + _GPR[m_Opcode.rt].W[0]; } void R4300iOp::SPECIAL_SUB (void) { _GPR[m_Opcode.rd].DW = _GPR[m_Opcode.rs].W[0] - _GPR[m_Opcode.rt].W[0]; } void R4300iOp::SPECIAL_SUBU (void) { _GPR[m_Opcode.rd].DW = _GPR[m_Opcode.rs].W[0] - _GPR[m_Opcode.rt].W[0]; } void R4300iOp::SPECIAL_AND (void) { _GPR[m_Opcode.rd].DW = _GPR[m_Opcode.rs].DW & _GPR[m_Opcode.rt].DW; } void R4300iOp::SPECIAL_OR (void) { _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 (void) { _GPR[m_Opcode.rd].DW = _GPR[m_Opcode.rs].DW ^ _GPR[m_Opcode.rt].DW; } void R4300iOp::SPECIAL_NOR (void) { _GPR[m_Opcode.rd].DW = ~(_GPR[m_Opcode.rs].DW | _GPR[m_Opcode.rt].DW); } void R4300iOp::SPECIAL_SLT (void) { 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 (void) { 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 (void) { _GPR[m_Opcode.rd].DW = _GPR[m_Opcode.rs].DW + _GPR[m_Opcode.rt].DW; } void R4300iOp::SPECIAL_DADDU (void) { _GPR[m_Opcode.rd].DW = _GPR[m_Opcode.rs].DW + _GPR[m_Opcode.rt].DW; } void R4300iOp::SPECIAL_DSUB (void) { _GPR[m_Opcode.rd].DW = _GPR[m_Opcode.rs].DW - _GPR[m_Opcode.rt].DW; } void R4300iOp::SPECIAL_DSUBU (void) { _GPR[m_Opcode.rd].DW = _GPR[m_Opcode.rs].DW - _GPR[m_Opcode.rt].DW; } void R4300iOp::SPECIAL_TEQ (void) { if (_GPR[m_Opcode.rs].DW == _GPR[m_Opcode.rt].DW) { #ifndef EXTERNAL_RELEASE DisplayError("Should trap this ???"); #endif } } void R4300iOp::SPECIAL_DSLL (void) { _GPR[m_Opcode.rd].DW = (_GPR[m_Opcode.rt].DW << m_Opcode.sa); } void R4300iOp::SPECIAL_DSRL (void) { _GPR[m_Opcode.rd].UDW = (_GPR[m_Opcode.rt].UDW >> m_Opcode.sa); } void R4300iOp::SPECIAL_DSRA (void) { _GPR[m_Opcode.rd].DW = (_GPR[m_Opcode.rt].DW >> m_Opcode.sa); } void R4300iOp::SPECIAL_DSLL32 (void) { _GPR[m_Opcode.rd].DW = (_GPR[m_Opcode.rt].DW << (m_Opcode.sa + 32)); } void R4300iOp::SPECIAL_DSRL32 (void) { _GPR[m_Opcode.rd].UDW = (_GPR[m_Opcode.rt].UDW >> (m_Opcode.sa + 32)); } void R4300iOp::SPECIAL_DSRA32 (void) { _GPR[m_Opcode.rd].DW = (_GPR[m_Opcode.rt].DW >> (m_Opcode.sa + 32)); } /********************** R4300i OpCodes: RegImm **********************/ void R4300iOp::REGIMM_BLTZ (void) { m_NextInstruction = DELAY_SLOT; if (_GPR[m_Opcode.rs].DW < 0) { m_JumpToLocation = (*_PROGRAM_COUNTER) + ((short)m_Opcode.offset << 2) + 4; if ((*_PROGRAM_COUNTER) == m_JumpToLocation) { if (!DelaySlotEffectsCompare((*_PROGRAM_COUNTER),m_Opcode.rs,0)) { InPermLoop(); } } } else { m_JumpToLocation = (*_PROGRAM_COUNTER) + 8; } } void R4300iOp::REGIMM_BGEZ (void) { m_NextInstruction = DELAY_SLOT; if (_GPR[m_Opcode.rs].DW >= 0) { m_JumpToLocation = (*_PROGRAM_COUNTER) + ((short)m_Opcode.offset << 2) + 4; if ((*_PROGRAM_COUNTER) == m_JumpToLocation) { if (!DelaySlotEffectsCompare((*_PROGRAM_COUNTER),m_Opcode.rs,0)) { InPermLoop(); } } } else { m_JumpToLocation = (*_PROGRAM_COUNTER) + 8; } } void R4300iOp::REGIMM_BLTZL (void) { if (_GPR[m_Opcode.rs].DW < 0) { m_NextInstruction = DELAY_SLOT; m_JumpToLocation = (*_PROGRAM_COUNTER) + ((short)m_Opcode.offset << 2) + 4; if ((*_PROGRAM_COUNTER) == m_JumpToLocation) { if (!DelaySlotEffectsCompare((*_PROGRAM_COUNTER),m_Opcode.rs,0)) { InPermLoop(); } } } else { m_NextInstruction = JUMP; m_JumpToLocation = (*_PROGRAM_COUNTER) + 8; } } void R4300iOp::REGIMM_BGEZL (void) { if (_GPR[m_Opcode.rs].DW >= 0) { m_NextInstruction = DELAY_SLOT; m_JumpToLocation = (*_PROGRAM_COUNTER) + ((short)m_Opcode.offset << 2) + 4; if ((*_PROGRAM_COUNTER) == m_JumpToLocation) { if (!DelaySlotEffectsCompare((*_PROGRAM_COUNTER),m_Opcode.rs,0)) { InPermLoop(); } } } else { m_NextInstruction = JUMP; m_JumpToLocation = (*_PROGRAM_COUNTER) + 8; } } void R4300iOp::REGIMM_BLTZAL (void) { m_NextInstruction = DELAY_SLOT; if (_GPR[m_Opcode.rs].DW < 0) { m_JumpToLocation = (*_PROGRAM_COUNTER) + ((short)m_Opcode.offset << 2) + 4; if ((*_PROGRAM_COUNTER) == m_JumpToLocation) { if (!DelaySlotEffectsCompare((*_PROGRAM_COUNTER),m_Opcode.rs,0)) { InPermLoop(); } } } else { m_JumpToLocation = (*_PROGRAM_COUNTER) + 8; } _GPR[31].DW= (long)((*_PROGRAM_COUNTER) + 8); } void R4300iOp::REGIMM_BGEZAL (void) { m_NextInstruction = DELAY_SLOT; if (_GPR[m_Opcode.rs].DW >= 0) { m_JumpToLocation = (*_PROGRAM_COUNTER) + ((short)m_Opcode.offset << 2) + 4; if ((*_PROGRAM_COUNTER) == m_JumpToLocation) { if (!DelaySlotEffectsCompare((*_PROGRAM_COUNTER),m_Opcode.rs,0)) { InPermLoop(); } } } else { m_JumpToLocation = (*_PROGRAM_COUNTER) + 8; } _GPR[31].DW = (long)((*_PROGRAM_COUNTER) + 8); } /************************** COP0 functions **************************/ void R4300iOp::COP0_MF (void) { #if (!defined(EXTERNAL_RELEASE)) if (LogOptions.LogCP0reads) { LogMessage("%08X: R4300i Read from %s (0x%08X)", (*_PROGRAM_COUNTER), CRegName::Cop0[m_Opcode.rd], _CP0[m_Opcode.rd]); } #endif if (m_Opcode.rd == 9) { _SystemTimer->UpdateTimers(); } _GPR[m_Opcode.rt].DW = (int)_CP0[m_Opcode.rd]; } void R4300iOp::COP0_MT (void) { #if (!defined(EXTERNAL_RELEASE)) if (LogOptions.LogCP0changes) { LogMessage("%08X: Writing 0x%X to %s register (Originally: 0x%08X)",(*_PROGRAM_COUNTER), _GPR[m_Opcode.rt].UW[0],CRegName::Cop0[m_Opcode.rd], _CP0[m_Opcode.rd]); if (m_Opcode.rd == 11) { //Compare LogMessage("%08X: Cause register changed from %08X to %08X",(*_PROGRAM_COUNTER), _Reg->CAUSE_REGISTER, (_Reg->CAUSE_REGISTER & ~CAUSE_IP7)); } } #endif switch (m_Opcode.rd) { case 0: //Index case 2: //EntryLo0 case 3: //EntryLo1 case 5: //PageMask case 10: //Entry Hi case 14: //EPC case 16: //Config case 18: //WatchLo case 19: //WatchHi case 28: //Tag lo case 29: //Tag Hi case 30: //ErrEPC _CP0[m_Opcode.rd] = _GPR[m_Opcode.rt].UW[0]; break; case 6: //Wired _SystemTimer->UpdateTimers(); _CP0[m_Opcode.rd] = _GPR[m_Opcode.rt].UW[0]; break; case 4: //Context _CP0[m_Opcode.rd] = _GPR[m_Opcode.rt].UW[0] & 0xFF800000; break; case 9: //Count _SystemTimer->UpdateTimers(); _CP0[m_Opcode.rd] = _GPR[m_Opcode.rt].UW[0]; _SystemTimer->UpdateCompareTimer(); break; case 11: //Compare _SystemTimer->UpdateTimers(); _CP0[m_Opcode.rd] = _GPR[m_Opcode.rt].UW[0]; _Reg->FAKE_CAUSE_REGISTER &= ~CAUSE_IP7; _SystemTimer->UpdateCompareTimer(); break; case 12: //Status if ((_CP0[m_Opcode.rd] ^ _GPR[m_Opcode.rt].UW[0]) != 0) { _CP0[m_Opcode.rd] = _GPR[m_Opcode.rt].UW[0]; SetFpuLocations(); } else { _CP0[m_Opcode.rd] = _GPR[m_Opcode.rt].UW[0]; } if ((_CP0[m_Opcode.rd] & 0x18) != 0) { #ifndef EXTERNAL_RELEASE DisplayError("Left kernel mode ??"); #endif } _Reg->CheckInterrupts(); break; case 13: //cause _CP0[m_Opcode.rd] &= 0xFFFFCFF; #ifndef EXTERNAL_RELEASE if ((_GPR[m_Opcode.rt].UW[0] & 0x300) != 0 ){ DisplayError("Set IP0 or IP1"); } #endif break; default: UnknownOpcode(); } } /************************** COP0 CO functions ***********************/ void R4300iOp::COP0_CO_TLBR (void) { if (!g_UseTlb) { return; } _TLB->ReadEntry(); } void R4300iOp::COP0_CO_TLBWI (void) { if (!g_UseTlb) { return; } _TLB->WriteEntry(_Reg->INDEX_REGISTER & 0x1F,FALSE); } void R4300iOp::COP0_CO_TLBWR (void) { if (!g_UseTlb) { return; } _TLB->WriteEntry(_Reg->RANDOM_REGISTER & 0x1F,true); } void R4300iOp::COP0_CO_TLBP (void) { if (!g_UseTlb) { return; } _TLB->Probe(); } void R4300iOp::COP0_CO_ERET (void) { m_NextInstruction = JUMP; if ((_Reg->STATUS_REGISTER & STATUS_ERL) != 0) { m_JumpToLocation = _Reg->ERROREPC_REGISTER; _Reg->STATUS_REGISTER &= ~STATUS_ERL; } else { m_JumpToLocation = _Reg->EPC_REGISTER; _Reg->STATUS_REGISTER &= ~STATUS_EXL; } (*_LLBit) = 0; _Reg->CheckInterrupts(); m_TestTimer = TRUE; } /************************** COP1 functions **************************/ void R4300iOp::COP1_MF (void) { TEST_COP1_USABLE_EXCEPTION _GPR[m_Opcode.rt].DW = *(int *)_FPR_S[m_Opcode.fs]; } void R4300iOp::COP1_DMF (void) { TEST_COP1_USABLE_EXCEPTION _GPR[m_Opcode.rt].DW = *(__int64 *)_FPR_D[m_Opcode.fs]; } void R4300iOp::COP1_CF (void) { TEST_COP1_USABLE_EXCEPTION if (m_Opcode.fs != 31 && m_Opcode.fs != 0) { #ifndef EXTERNAL_RELEASE DisplayError("CFC1 what register are you writing to ?"); #endif return; } _GPR[m_Opcode.rt].DW = (int)_FPCR[m_Opcode.fs]; } void R4300iOp::COP1_MT (void) { TEST_COP1_USABLE_EXCEPTION *(int *)_FPR_S[m_Opcode.fs] = _GPR[m_Opcode.rt].W[0]; } void R4300iOp::COP1_DMT (void) { TEST_COP1_USABLE_EXCEPTION *(__int64 *)_FPR_D[m_Opcode.fs] = _GPR[m_Opcode.rt].DW; } void R4300iOp::COP1_CT (void) { TEST_COP1_USABLE_EXCEPTION if (m_Opcode.fs == 31) { _FPCR[m_Opcode.fs] = _GPR[m_Opcode.rt].W[0]; switch((_FPCR[m_Opcode.fs] & 3)) { case 0: *_RoundingModel = ROUND_NEAR; break; case 1: *_RoundingModel = ROUND_CHOP; break; case 2: *_RoundingModel = ROUND_UP; break; case 3: *_RoundingModel = ROUND_DOWN; break; } return; } #ifndef EXTERNAL_RELEASE DisplayError("CTC1 what register are you writing to ?"); #endif } /************************* COP1: BC1 functions ***********************/ void R4300iOp::COP1_BCF (void) { TEST_COP1_USABLE_EXCEPTION m_NextInstruction = DELAY_SLOT; if ((_FPCR[31] & FPCSR_C) == 0) { m_JumpToLocation = (*_PROGRAM_COUNTER) + ((short)m_Opcode.offset << 2) + 4; } else { m_JumpToLocation = (*_PROGRAM_COUNTER) + 8; } } void R4300iOp::COP1_BCT (void) { TEST_COP1_USABLE_EXCEPTION m_NextInstruction = DELAY_SLOT; if ((_FPCR[31] & FPCSR_C) != 0) { m_JumpToLocation = (*_PROGRAM_COUNTER) + ((short)m_Opcode.offset << 2) + 4; } else { m_JumpToLocation = (*_PROGRAM_COUNTER) + 8; } } void R4300iOp::COP1_BCFL (void) { TEST_COP1_USABLE_EXCEPTION if ((_FPCR[31] & FPCSR_C) == 0) { m_NextInstruction = DELAY_SLOT; m_JumpToLocation = (*_PROGRAM_COUNTER) + ((short)m_Opcode.offset << 2) + 4; } else { m_NextInstruction = JUMP; m_JumpToLocation = (*_PROGRAM_COUNTER) + 8; } } void R4300iOp::COP1_BCTL (void) { TEST_COP1_USABLE_EXCEPTION if ((_FPCR[31] & FPCSR_C) != 0) { m_NextInstruction = DELAY_SLOT; m_JumpToLocation = (*_PROGRAM_COUNTER) + ((short)m_Opcode.offset << 2) + 4; } else { m_NextInstruction = JUMP; m_JumpToLocation = (*_PROGRAM_COUNTER) + 8; } } /************************** COP1: S functions ************************/ __inline void Float_RoundToInteger32( int * Dest, float * Source ) { _asm { mov esi, [Source] mov edi, [Dest] fld dword ptr [esi] fistp dword ptr [edi] } } __inline void Float_RoundToInteger64( __int64 * Dest, float * Source ) { _asm { mov esi, [Source] mov edi, [Dest] fld dword ptr [esi] fistp qword ptr [edi] } } void R4300iOp::COP1_S_ADD (void) { TEST_COP1_USABLE_EXCEPTION _controlfp(*_RoundingModel,_MCW_RC); *(float *)_FPR_S[m_Opcode.fd] = (*(float *)_FPR_S[m_Opcode.fs] + *(float *)_FPR_S[m_Opcode.ft]); } void R4300iOp::COP1_S_SUB (void) { TEST_COP1_USABLE_EXCEPTION _controlfp(*_RoundingModel,_MCW_RC); *(float *)_FPR_S[m_Opcode.fd] = (*(float *)_FPR_S[m_Opcode.fs] - *(float *)_FPR_S[m_Opcode.ft]); } void R4300iOp::COP1_S_MUL (void) { TEST_COP1_USABLE_EXCEPTION _controlfp(*_RoundingModel,_MCW_RC); *(float *)_FPR_S[m_Opcode.fd] = (*(float *)_FPR_S[m_Opcode.fs] * *(float *)_FPR_S[m_Opcode.ft]); } void R4300iOp::COP1_S_DIV (void) { TEST_COP1_USABLE_EXCEPTION _controlfp(*_RoundingModel,_MCW_RC); *(float *)_FPR_S[m_Opcode.fd] = (*(float *)_FPR_S[m_Opcode.fs] / *(float *)_FPR_S[m_Opcode.ft]); } void R4300iOp::COP1_S_SQRT (void) { TEST_COP1_USABLE_EXCEPTION _controlfp(*_RoundingModel,_MCW_RC); *(float *)_FPR_S[m_Opcode.fd] = (float)sqrt(*(float *)_FPR_S[m_Opcode.fs]); } void R4300iOp::COP1_S_ABS (void) { TEST_COP1_USABLE_EXCEPTION _controlfp(*_RoundingModel,_MCW_RC); *(float *)_FPR_S[m_Opcode.fd] = (float)fabs(*(float *)_FPR_S[m_Opcode.fs]); } void R4300iOp::COP1_S_MOV (void) { TEST_COP1_USABLE_EXCEPTION _controlfp(*_RoundingModel,_MCW_RC); *(float *)_FPR_S[m_Opcode.fd] = *(float *)_FPR_S[m_Opcode.fs]; } void R4300iOp::COP1_S_NEG (void) { TEST_COP1_USABLE_EXCEPTION _controlfp(*_RoundingModel,_MCW_RC); *(float *)_FPR_S[m_Opcode.fd] = (*(float *)_FPR_S[m_Opcode.fs] * -1.0f); } void R4300iOp::COP1_S_TRUNC_L (void) { TEST_COP1_USABLE_EXCEPTION _controlfp(_RC_CHOP,_MCW_RC); Float_RoundToInteger64(&*(__int64 *)_FPR_D[m_Opcode.fd],&*(float *)_FPR_S[m_Opcode.fs]); } void R4300iOp::COP1_S_CEIL_L (void) { //added by Witten TEST_COP1_USABLE_EXCEPTION _controlfp(_RC_UP,_MCW_RC); Float_RoundToInteger64(&*(__int64 *)_FPR_D[m_Opcode.fd],&*(float *)_FPR_S[m_Opcode.fs]); } void R4300iOp::COP1_S_FLOOR_L (void) { //added by Witten TEST_COP1_USABLE_EXCEPTION _controlfp(_RC_DOWN,_MCW_RC); Float_RoundToInteger64(&*(__int64 *)_FPR_D[m_Opcode.fd],&*(float *)_FPR_S[m_Opcode.fs]); } void R4300iOp::COP1_S_ROUND_W (void) { TEST_COP1_USABLE_EXCEPTION _controlfp(_RC_NEAR,_MCW_RC); Float_RoundToInteger32(&*(int *)_FPR_S[m_Opcode.fd],&*(float *)_FPR_S[m_Opcode.fs]); } void R4300iOp::COP1_S_TRUNC_W (void) { TEST_COP1_USABLE_EXCEPTION _controlfp(_RC_CHOP,_MCW_RC); Float_RoundToInteger32(&*(int *)_FPR_S[m_Opcode.fd],&*(float *)_FPR_S[m_Opcode.fs]); } void R4300iOp::COP1_S_CEIL_W (void) { //added by Witten TEST_COP1_USABLE_EXCEPTION _controlfp(_RC_UP,_MCW_RC); Float_RoundToInteger32(&*(int *)_FPR_S[m_Opcode.fd],&*(float *)_FPR_S[m_Opcode.fs]); } void R4300iOp::COP1_S_FLOOR_W (void) { TEST_COP1_USABLE_EXCEPTION _controlfp(_RC_DOWN,_MCW_RC); Float_RoundToInteger32(&*(int *)_FPR_S[m_Opcode.fd],&*(float *)_FPR_S[m_Opcode.fs]); } void R4300iOp::COP1_S_CVT_D (void) { TEST_COP1_USABLE_EXCEPTION _controlfp(*_RoundingModel,_MCW_RC); *(double *)_FPR_D[m_Opcode.fd] = (double)(*(float *)_FPR_S[m_Opcode.fs]); } void R4300iOp::COP1_S_CVT_W (void) { TEST_COP1_USABLE_EXCEPTION _controlfp(*_RoundingModel,_MCW_RC); Float_RoundToInteger32(&*(int *)_FPR_S[m_Opcode.fd],&*(float *)_FPR_S[m_Opcode.fs]); } void R4300iOp::COP1_S_CVT_L (void) { TEST_COP1_USABLE_EXCEPTION _controlfp(*_RoundingModel,_MCW_RC); Float_RoundToInteger64(&*(__int64 *)_FPR_D[m_Opcode.fd],&*(float *)_FPR_S[m_Opcode.fs]); } void R4300iOp::COP1_S_CMP (void) { int less, equal, unorded, condition; float Temp0, Temp1; TEST_COP1_USABLE_EXCEPTION Temp0 = *(float *)_FPR_S[m_Opcode.fs]; Temp1 = *(float *)_FPR_S[m_Opcode.ft]; if (_isnan(Temp0) || _isnan(Temp1)) { #ifndef EXTERNAL_RELEASE DisplayError("Nan ?"); #endif less = FALSE; equal = FALSE; unorded = TRUE; if ((m_Opcode.funct & 8) != 0) { #ifndef EXTERNAL_RELEASE DisplayError("Signal InvalidOperationException\nin r4300i_COP1_S_CMP\n%X %ff\n%X %ff", Temp0,Temp0,Temp1,Temp1); #endif } } else { less = Temp0 < Temp1; equal = Temp0 == Temp1; unorded = FALSE; } condition = ((m_Opcode.funct & 4) && less) | ((m_Opcode.funct & 2) && equal) | ((m_Opcode.funct & 1) && unorded); if (condition) { _FPCR[31] |= FPCSR_C; } else { _FPCR[31] &= ~FPCSR_C; } } /************************** COP1: D functions ************************/ __inline void Double_RoundToInteger32( DWORD * Dest, double * Source ) { _asm { mov esi, [Source] mov edi, [Dest] fld qword ptr [esi] fistp dword ptr [edi] } } __inline void Double_RoundToInteger64( unsigned __int64 * Dest, double * Source ) { _asm { mov esi, [Source] mov edi, [Dest] fld qword ptr [esi] fistp qword ptr [edi] } } void R4300iOp::COP1_D_ADD (void) { TEST_COP1_USABLE_EXCEPTION _controlfp(*_RoundingModel,_MCW_RC); *(double *)_FPR_D[m_Opcode.fd] = *(double *)_FPR_D[m_Opcode.fs] + *(double *)_FPR_D[m_Opcode.ft]; } void R4300iOp::COP1_D_SUB (void) { TEST_COP1_USABLE_EXCEPTION _controlfp(*_RoundingModel,_MCW_RC); *(double *)_FPR_D[m_Opcode.fd] = *(double *)_FPR_D[m_Opcode.fs] - *(double *)_FPR_D[m_Opcode.ft]; } void R4300iOp::COP1_D_MUL (void) { TEST_COP1_USABLE_EXCEPTION _controlfp(*_RoundingModel,_MCW_RC); *(double *)_FPR_D[m_Opcode.fd] = *(double *)_FPR_D[m_Opcode.fs] * *(double *)_FPR_D[m_Opcode.ft]; } void R4300iOp::COP1_D_DIV (void) { TEST_COP1_USABLE_EXCEPTION _controlfp(*_RoundingModel,_MCW_RC); *(double *)_FPR_D[m_Opcode.fd] = *(double *)_FPR_D[m_Opcode.fs] / *(double *)_FPR_D[m_Opcode.ft]; } void R4300iOp::COP1_D_SQRT (void) { TEST_COP1_USABLE_EXCEPTION _controlfp(*_RoundingModel,_MCW_RC); *(double *)_FPR_D[m_Opcode.fd] = (double)sqrt(*(double *)_FPR_D[m_Opcode.fs]); } void R4300iOp::COP1_D_ABS (void) { TEST_COP1_USABLE_EXCEPTION _controlfp(*_RoundingModel,_MCW_RC); *(double *)_FPR_D[m_Opcode.fd] = fabs(*(double *)_FPR_D[m_Opcode.fs]); } void R4300iOp::COP1_D_MOV (void) { TEST_COP1_USABLE_EXCEPTION _controlfp(*_RoundingModel,_MCW_RC); *(__int64 *)_FPR_D[m_Opcode.fd] = *(__int64 *)_FPR_D[m_Opcode.fs]; } void R4300iOp::COP1_D_NEG (void) { TEST_COP1_USABLE_EXCEPTION _controlfp(*_RoundingModel,_MCW_RC); *(double *)_FPR_D[m_Opcode.fd] = (*(double *)_FPR_D[m_Opcode.fs] * -1.0); } void R4300iOp::COP1_D_TRUNC_L (void) { //added by Witten TEST_COP1_USABLE_EXCEPTION _controlfp(RC_CHOP,_MCW_RC); Double_RoundToInteger64(&*(QWORD *)_FPR_S[m_Opcode.fd],&*(double *)_FPR_D[m_Opcode.fs] ); } void R4300iOp::COP1_D_CEIL_L (void) { //added by Witten TEST_COP1_USABLE_EXCEPTION _controlfp(RC_UP,_MCW_RC); Double_RoundToInteger64(&*(QWORD *)_FPR_S[m_Opcode.fd],&*(double *)_FPR_D[m_Opcode.fs] ); } void R4300iOp::COP1_D_FLOOR_L (void) { //added by Witten TEST_COP1_USABLE_EXCEPTION _controlfp(_RC_DOWN,_MCW_RC); Double_RoundToInteger64(&*(QWORD *)_FPR_D[m_Opcode.fd],&*(double *)_FPR_S[m_Opcode.fs]); } void R4300iOp::COP1_D_ROUND_W (void) { TEST_COP1_USABLE_EXCEPTION _controlfp(_RC_NEAR,_MCW_RC); Double_RoundToInteger32(&*(DWORD *)_FPR_S[m_Opcode.fd],&*(double *)_FPR_D[m_Opcode.fs] ); } void R4300iOp::COP1_D_TRUNC_W (void) { TEST_COP1_USABLE_EXCEPTION _controlfp(RC_CHOP,_MCW_RC); Double_RoundToInteger32(&*(DWORD *)_FPR_S[m_Opcode.fd],&*(double *)_FPR_D[m_Opcode.fs] ); } void R4300iOp::COP1_D_CEIL_W (void) { //added by Witten TEST_COP1_USABLE_EXCEPTION _controlfp(RC_UP,_MCW_RC); Double_RoundToInteger32(&*(DWORD *)_FPR_S[m_Opcode.fd],&*(double *)_FPR_D[m_Opcode.fs] ); } void R4300iOp::COP1_D_FLOOR_W (void) { //added by Witten TEST_COP1_USABLE_EXCEPTION _controlfp(_RC_DOWN,_MCW_RC); Double_RoundToInteger32(&*(DWORD *)_FPR_D[m_Opcode.fd],&*(double *)_FPR_S[m_Opcode.fs]); } void R4300iOp::COP1_D_CVT_S (void) { TEST_COP1_USABLE_EXCEPTION _controlfp(*_RoundingModel,_MCW_RC); *(float *)_FPR_S[m_Opcode.fd] = (float)*(double *)_FPR_D[m_Opcode.fs]; } void R4300iOp::COP1_D_CVT_W (void) { TEST_COP1_USABLE_EXCEPTION _controlfp(*_RoundingModel,_MCW_RC); Double_RoundToInteger32(&*(DWORD *)_FPR_S[m_Opcode.fd],&*(double *)_FPR_D[m_Opcode.fs] ); } void R4300iOp::COP1_D_CVT_L (void) { TEST_COP1_USABLE_EXCEPTION _controlfp(*_RoundingModel,_MCW_RC); Double_RoundToInteger64(&*(unsigned __int64 *)_FPR_D[m_Opcode.fd],&*(double *)_FPR_D[m_Opcode.fs]); } void R4300iOp::COP1_D_CMP (void) { int less, equal, unorded, condition; MIPS_DWORD Temp0, Temp1; TEST_COP1_USABLE_EXCEPTION Temp0.DW = *(__int64 *)_FPR_D[m_Opcode.fs]; Temp1.DW = *(__int64 *)_FPR_D[m_Opcode.ft]; if (_isnan(Temp0.D) || _isnan(Temp1.D)) { #ifndef EXTERNAL_RELEASE DisplayError("Nan ?"); #endif less = FALSE; equal = FALSE; unorded = TRUE; if ((m_Opcode.funct & 8) != 0) { #ifndef EXTERNAL_RELEASE DisplayError("Signal InvalidOperationException\nin r4300i_COP1_D_CMP"); #endif } } else { less = Temp0.D < Temp1.D; equal = Temp0.D == Temp1.D; unorded = FALSE; } condition = ((m_Opcode.funct & 4) && less) | ((m_Opcode.funct & 2) && equal) | ((m_Opcode.funct & 1) && unorded); if (condition) { _FPCR[31] |= FPCSR_C; } else { _FPCR[31] &= ~FPCSR_C; } } /************************** COP1: W functions ************************/ void R4300iOp::COP1_W_CVT_S (void) { TEST_COP1_USABLE_EXCEPTION _controlfp(*_RoundingModel,_MCW_RC); *(float *)_FPR_S[m_Opcode.fd] = (float)*(int *)_FPR_S[m_Opcode.fs]; } void R4300iOp::COP1_W_CVT_D (void) { TEST_COP1_USABLE_EXCEPTION _controlfp(*_RoundingModel,_MCW_RC); *(double *)_FPR_D[m_Opcode.fd] = (double)*(int *)_FPR_S[m_Opcode.fs]; } /************************** COP1: L functions ************************/ void R4300iOp::COP1_L_CVT_S (void) { TEST_COP1_USABLE_EXCEPTION _controlfp(*_RoundingModel,_MCW_RC); *(float *)_FPR_S[m_Opcode.fd] = (float)*(__int64 *)_FPR_D[m_Opcode.fs]; } void R4300iOp::COP1_L_CVT_D (void) { TEST_COP1_USABLE_EXCEPTION _controlfp(*_RoundingModel,_MCW_RC); *(double *)_FPR_D[m_Opcode.fd] = (double)*(__int64 *)_FPR_D[m_Opcode.fs]; } /************************** Other functions **************************/ void R4300iOp::UnknownOpcode (void) { DisplayError("%s: %08X\n%s\n\nStopping Emulation !", GS(MSG_UNHANDLED_OP), (*_PROGRAM_COUNTER), R4300iOpcodeName(m_Opcode.Hex,(*_PROGRAM_COUNTER))); _System->m_EndEmulation = true; _Notify->BreakPoint(__FILE__,__LINE__); #ifdef tofix if (HaveDebugger && !inFullScreen) { int response; strcat(Message,"\n\nDo you wish to enter the debugger ?"); response = MessageBox(NULL,Message,GS(MSG_MSGBOX_TITLE), MB_YESNO | MB_ICONERROR ); if (response == IDYES) { Enter_R4300i_Commands_Window (); } ExitThread(0); } else { DisplayError(Message); ExitThread(0); } #endif }