#include "stdafx.h" #include #include #include #include #include #include #include #include #include #define TEST_COP1_USABLE_EXCEPTION \ 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; \ } R4300iOp32::Func * R4300iOp32::BuildInterpreter() { Jump_Opcode[0] = SPECIAL; Jump_Opcode[1] = REGIMM; Jump_Opcode[2] = R4300iOp::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] = R4300iOp::UnknownOpcode; Jump_Opcode[19] = R4300iOp::UnknownOpcode; Jump_Opcode[20] = BEQL; Jump_Opcode[21] = BNEL; Jump_Opcode[22] = BLEZL; Jump_Opcode[23] = BGTZL; Jump_Opcode[24] = R4300iOp::DADDI; Jump_Opcode[25] = R4300iOp::DADDIU; Jump_Opcode[26] = R4300iOp::LDL; Jump_Opcode[27] = R4300iOp::LDR; Jump_Opcode[28] = R4300iOp::UnknownOpcode; Jump_Opcode[29] = R4300iOp::UnknownOpcode; Jump_Opcode[30] = R4300iOp::UnknownOpcode; Jump_Opcode[31] = R4300iOp::ReservedInstruction; 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] = R4300iOp::SB; Jump_Opcode[41] = R4300iOp::SH; Jump_Opcode[42] = R4300iOp::SWL; Jump_Opcode[43] = R4300iOp::SW; Jump_Opcode[44] = R4300iOp::SDL; Jump_Opcode[45] = R4300iOp::SDR; Jump_Opcode[46] = R4300iOp::SWR; Jump_Opcode[47] = R4300iOp::CACHE; Jump_Opcode[48] = R4300iOp::LL; Jump_Opcode[49] = R4300iOp::LWC1; Jump_Opcode[50] = R4300iOp::UnknownOpcode; Jump_Opcode[51] = R4300iOp::UnknownOpcode; Jump_Opcode[52] = R4300iOp::UnknownOpcode; Jump_Opcode[53] = R4300iOp::LDC1; Jump_Opcode[54] = R4300iOp::UnknownOpcode; Jump_Opcode[55] = R4300iOp::LD; Jump_Opcode[56] = R4300iOp::SC; Jump_Opcode[57] = R4300iOp::SWC1; Jump_Opcode[58] = R4300iOp::UnknownOpcode; Jump_Opcode[59] = R4300iOp::UnknownOpcode; Jump_Opcode[60] = R4300iOp::UnknownOpcode; Jump_Opcode[61] = R4300iOp::SDC1; Jump_Opcode[62] = R4300iOp::UnknownOpcode; Jump_Opcode[63] = R4300iOp::SD; Jump_Special[0] = SPECIAL_SLL; Jump_Special[1] = R4300iOp::UnknownOpcode; Jump_Special[2] = SPECIAL_SRL; Jump_Special[3] = SPECIAL_SRA; Jump_Special[4] = SPECIAL_SLLV; Jump_Special[5] = R4300iOp::UnknownOpcode; Jump_Special[6] = SPECIAL_SRLV; Jump_Special[7] = SPECIAL_SRAV; Jump_Special[8] = SPECIAL_JR; Jump_Special[9] = SPECIAL_JALR; Jump_Special[10] = R4300iOp::UnknownOpcode; Jump_Special[11] = R4300iOp::UnknownOpcode; Jump_Special[12] = R4300iOp::SPECIAL_SYSCALL; Jump_Special[13] = R4300iOp::SPECIAL_BREAK; Jump_Special[14] = R4300iOp::UnknownOpcode; Jump_Special[15] = R4300iOp::SPECIAL_SYNC; Jump_Special[16] = R4300iOp::SPECIAL_MFHI; Jump_Special[17] = R4300iOp::SPECIAL_MTHI; Jump_Special[18] = R4300iOp::SPECIAL_MFLO; Jump_Special[19] = R4300iOp::SPECIAL_MTLO; Jump_Special[20] = R4300iOp::SPECIAL_DSLLV; Jump_Special[21] = R4300iOp::UnknownOpcode; Jump_Special[22] = R4300iOp::SPECIAL_DSRLV; Jump_Special[23] = R4300iOp::SPECIAL_DSRAV; Jump_Special[24] = R4300iOp::SPECIAL_MULT; Jump_Special[25] = R4300iOp::SPECIAL_MULTU; Jump_Special[26] = R4300iOp::SPECIAL_DIV; Jump_Special[27] = R4300iOp::SPECIAL_DIVU; Jump_Special[28] = R4300iOp::SPECIAL_DMULT; Jump_Special[29] = R4300iOp::SPECIAL_DMULTU; Jump_Special[30] = R4300iOp::SPECIAL_DDIV; Jump_Special[31] = R4300iOp::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] = R4300iOp::UnknownOpcode; Jump_Special[41] = R4300iOp::UnknownOpcode; Jump_Special[42] = SPECIAL_SLT; Jump_Special[43] = SPECIAL_SLTU; Jump_Special[44] = R4300iOp::SPECIAL_DADD; Jump_Special[45] = R4300iOp::SPECIAL_DADDU; Jump_Special[46] = R4300iOp::SPECIAL_DSUB; Jump_Special[47] = R4300iOp::SPECIAL_DSUBU; Jump_Special[48] = R4300iOp::SPECIAL_TGE; Jump_Special[49] = R4300iOp::SPECIAL_TGEU; Jump_Special[50] = R4300iOp::SPECIAL_TLT; Jump_Special[51] = R4300iOp::SPECIAL_TLTU; Jump_Special[52] = R4300iOp::SPECIAL_TEQ; Jump_Special[53] = R4300iOp::UnknownOpcode; Jump_Special[54] = R4300iOp::SPECIAL_TNE; Jump_Special[55] = R4300iOp::UnknownOpcode; Jump_Special[56] = R4300iOp::SPECIAL_DSLL; Jump_Special[57] = R4300iOp::UnknownOpcode; Jump_Special[58] = R4300iOp::SPECIAL_DSRL; Jump_Special[59] = R4300iOp::SPECIAL_DSRA; Jump_Special[60] = R4300iOp::SPECIAL_DSLL32; Jump_Special[61] = R4300iOp::UnknownOpcode; Jump_Special[62] = R4300iOp::SPECIAL_DSRL32; Jump_Special[63] = R4300iOp::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] = R4300iOp::UnknownOpcode; Jump_Regimm[5] = R4300iOp::UnknownOpcode; Jump_Regimm[6] = R4300iOp::UnknownOpcode; Jump_Regimm[7] = R4300iOp::UnknownOpcode; Jump_Regimm[8] = R4300iOp::REGIMM_TGEI; Jump_Regimm[9] = R4300iOp::REGIMM_TGEIU; Jump_Regimm[10] = R4300iOp::REGIMM_TLTI; Jump_Regimm[11] = R4300iOp::REGIMM_TLTIU; Jump_Regimm[12] = R4300iOp::REGIMM_TEQI; Jump_Regimm[13] = R4300iOp::UnknownOpcode; Jump_Regimm[14] = R4300iOp::REGIMM_TNEI; Jump_Regimm[15] = R4300iOp::UnknownOpcode; Jump_Regimm[16] = REGIMM_BLTZAL; Jump_Regimm[17] = REGIMM_BGEZAL; Jump_Regimm[18] = R4300iOp::UnknownOpcode; Jump_Regimm[19] = R4300iOp::UnknownOpcode; Jump_Regimm[20] = R4300iOp::UnknownOpcode; Jump_Regimm[21] = R4300iOp::UnknownOpcode; Jump_Regimm[22] = R4300iOp::UnknownOpcode; Jump_Regimm[23] = R4300iOp::UnknownOpcode; Jump_Regimm[24] = R4300iOp::UnknownOpcode; Jump_Regimm[25] = R4300iOp::UnknownOpcode; Jump_Regimm[26] = R4300iOp::UnknownOpcode; Jump_Regimm[27] = R4300iOp::UnknownOpcode; Jump_Regimm[28] = R4300iOp::UnknownOpcode; Jump_Regimm[29] = R4300iOp::UnknownOpcode; Jump_Regimm[30] = R4300iOp::UnknownOpcode; Jump_Regimm[31] = R4300iOp::UnknownOpcode; Jump_CoP0[0] = COP0_MF; Jump_CoP0[1] = R4300iOp::UnknownOpcode; Jump_CoP0[2] = R4300iOp::UnknownOpcode; Jump_CoP0[3] = R4300iOp::UnknownOpcode; Jump_CoP0[4] = COP0_MT; Jump_CoP0[5] = R4300iOp::UnknownOpcode; Jump_CoP0[6] = R4300iOp::UnknownOpcode; Jump_CoP0[7] = R4300iOp::UnknownOpcode; Jump_CoP0[8] = R4300iOp::UnknownOpcode; Jump_CoP0[9] = R4300iOp::UnknownOpcode; Jump_CoP0[10] = R4300iOp::UnknownOpcode; Jump_CoP0[11] = R4300iOp::UnknownOpcode; Jump_CoP0[12] = R4300iOp::UnknownOpcode; Jump_CoP0[13] = R4300iOp::UnknownOpcode; Jump_CoP0[14] = R4300iOp::UnknownOpcode; Jump_CoP0[15] = R4300iOp::UnknownOpcode; Jump_CoP0[16] = R4300iOp::COP0_CO; Jump_CoP0[17] = R4300iOp::COP0_CO; Jump_CoP0[18] = R4300iOp::COP0_CO; Jump_CoP0[19] = R4300iOp::COP0_CO; Jump_CoP0[20] = R4300iOp::COP0_CO; Jump_CoP0[21] = R4300iOp::COP0_CO; Jump_CoP0[22] = R4300iOp::COP0_CO; Jump_CoP0[23] = R4300iOp::COP0_CO; Jump_CoP0[24] = R4300iOp::COP0_CO; Jump_CoP0[25] = R4300iOp::COP0_CO; Jump_CoP0[26] = R4300iOp::COP0_CO; Jump_CoP0[27] = R4300iOp::COP0_CO; Jump_CoP0[28] = R4300iOp::COP0_CO; Jump_CoP0[29] = R4300iOp::COP0_CO; Jump_CoP0[30] = R4300iOp::COP0_CO; Jump_CoP0[31] = R4300iOp::COP0_CO; Jump_CoP0_Function[0] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[1] = R4300iOp::COP0_CO_TLBR; Jump_CoP0_Function[2] = R4300iOp::COP0_CO_TLBWI; Jump_CoP0_Function[3] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[4] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[5] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[6] = R4300iOp::COP0_CO_TLBWR; Jump_CoP0_Function[7] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[8] = R4300iOp::COP0_CO_TLBP; Jump_CoP0_Function[9] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[10] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[11] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[12] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[13] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[14] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[15] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[16] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[17] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[18] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[19] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[20] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[21] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[22] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[23] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[24] = R4300iOp::COP0_CO_ERET; Jump_CoP0_Function[25] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[26] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[27] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[28] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[29] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[30] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[31] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[32] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[33] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[34] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[35] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[36] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[37] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[38] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[39] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[40] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[41] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[42] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[43] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[44] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[45] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[46] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[47] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[48] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[49] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[50] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[51] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[52] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[53] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[54] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[55] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[56] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[57] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[58] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[59] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[60] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[61] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[62] = R4300iOp::UnknownOpcode; Jump_CoP0_Function[63] = R4300iOp::UnknownOpcode; Jump_CoP1[0] = COP1_MF; Jump_CoP1[1] = R4300iOp::COP1_DMF; Jump_CoP1[2] = COP1_CF; Jump_CoP1[3] = R4300iOp::UnknownOpcode; Jump_CoP1[4] = R4300iOp::COP1_MT; Jump_CoP1[5] = COP1_DMT; Jump_CoP1[6] = R4300iOp::COP1_CT; Jump_CoP1[7] = R4300iOp::UnknownOpcode; Jump_CoP1[8] = R4300iOp::COP1_BC; Jump_CoP1[9] = R4300iOp::UnknownOpcode; Jump_CoP1[10] = R4300iOp::UnknownOpcode; Jump_CoP1[11] = R4300iOp::UnknownOpcode; Jump_CoP1[12] = R4300iOp::UnknownOpcode; Jump_CoP1[13] = R4300iOp::UnknownOpcode; Jump_CoP1[14] = R4300iOp::UnknownOpcode; Jump_CoP1[15] = R4300iOp::UnknownOpcode; Jump_CoP1[16] = R4300iOp::COP1_S; Jump_CoP1[17] = R4300iOp::COP1_D; Jump_CoP1[18] = R4300iOp::UnknownOpcode; Jump_CoP1[19] = R4300iOp::UnknownOpcode; Jump_CoP1[20] = R4300iOp::COP1_W; Jump_CoP1[21] = R4300iOp::COP1_L; Jump_CoP1[22] = R4300iOp::UnknownOpcode; Jump_CoP1[23] = R4300iOp::UnknownOpcode; Jump_CoP1[24] = R4300iOp::UnknownOpcode; Jump_CoP1[25] = R4300iOp::UnknownOpcode; Jump_CoP1[26] = R4300iOp::UnknownOpcode; Jump_CoP1[27] = R4300iOp::UnknownOpcode; Jump_CoP1[28] = R4300iOp::UnknownOpcode; Jump_CoP1[29] = R4300iOp::UnknownOpcode; Jump_CoP1[30] = R4300iOp::UnknownOpcode; Jump_CoP1[31] = R4300iOp::UnknownOpcode; Jump_CoP1_BC[0] = R4300iOp::COP1_BCF; Jump_CoP1_BC[1] = R4300iOp::COP1_BCT; Jump_CoP1_BC[2] = R4300iOp::COP1_BCFL; Jump_CoP1_BC[3] = R4300iOp::COP1_BCTL; Jump_CoP1_BC[4] = R4300iOp::UnknownOpcode; Jump_CoP1_BC[5] = R4300iOp::UnknownOpcode; Jump_CoP1_BC[6] = R4300iOp::UnknownOpcode; Jump_CoP1_BC[7] = R4300iOp::UnknownOpcode; Jump_CoP1_BC[8] = R4300iOp::UnknownOpcode; Jump_CoP1_BC[9] = R4300iOp::UnknownOpcode; Jump_CoP1_BC[10] = R4300iOp::UnknownOpcode; Jump_CoP1_BC[11] = R4300iOp::UnknownOpcode; Jump_CoP1_BC[12] = R4300iOp::UnknownOpcode; Jump_CoP1_BC[13] = R4300iOp::UnknownOpcode; Jump_CoP1_BC[14] = R4300iOp::UnknownOpcode; Jump_CoP1_BC[15] = R4300iOp::UnknownOpcode; Jump_CoP1_BC[16] = R4300iOp::UnknownOpcode; Jump_CoP1_BC[17] = R4300iOp::UnknownOpcode; Jump_CoP1_BC[18] = R4300iOp::UnknownOpcode; Jump_CoP1_BC[19] = R4300iOp::UnknownOpcode; Jump_CoP1_BC[20] = R4300iOp::UnknownOpcode; Jump_CoP1_BC[21] = R4300iOp::UnknownOpcode; Jump_CoP1_BC[22] = R4300iOp::UnknownOpcode; Jump_CoP1_BC[23] = R4300iOp::UnknownOpcode; Jump_CoP1_BC[24] = R4300iOp::UnknownOpcode; Jump_CoP1_BC[25] = R4300iOp::UnknownOpcode; Jump_CoP1_BC[26] = R4300iOp::UnknownOpcode; Jump_CoP1_BC[27] = R4300iOp::UnknownOpcode; Jump_CoP1_BC[28] = R4300iOp::UnknownOpcode; Jump_CoP1_BC[29] = R4300iOp::UnknownOpcode; Jump_CoP1_BC[30] = R4300iOp::UnknownOpcode; Jump_CoP1_BC[31] = R4300iOp::UnknownOpcode; Jump_CoP1_S[0] = R4300iOp::COP1_S_ADD; Jump_CoP1_S[1] = R4300iOp::COP1_S_SUB; Jump_CoP1_S[2] = R4300iOp::COP1_S_MUL; Jump_CoP1_S[3] = R4300iOp::COP1_S_DIV; Jump_CoP1_S[4] = R4300iOp::COP1_S_SQRT; Jump_CoP1_S[5] = R4300iOp::COP1_S_ABS; Jump_CoP1_S[6] = R4300iOp::COP1_S_MOV; Jump_CoP1_S[7] = R4300iOp::COP1_S_NEG; Jump_CoP1_S[8] = R4300iOp::COP1_S_ROUND_L; Jump_CoP1_S[9] = R4300iOp::COP1_S_TRUNC_L; Jump_CoP1_S[10] = R4300iOp::COP1_S_CEIL_L; Jump_CoP1_S[11] = R4300iOp::COP1_S_FLOOR_L; Jump_CoP1_S[12] = R4300iOp::COP1_S_ROUND_W; Jump_CoP1_S[13] = R4300iOp::COP1_S_TRUNC_W; Jump_CoP1_S[14] = R4300iOp::COP1_S_CEIL_W; Jump_CoP1_S[15] = R4300iOp::COP1_S_FLOOR_W; Jump_CoP1_S[16] = R4300iOp::UnknownOpcode; Jump_CoP1_S[17] = R4300iOp::UnknownOpcode; Jump_CoP1_S[18] = R4300iOp::UnknownOpcode; Jump_CoP1_S[19] = R4300iOp::UnknownOpcode; Jump_CoP1_S[20] = R4300iOp::UnknownOpcode; Jump_CoP1_S[21] = R4300iOp::UnknownOpcode; Jump_CoP1_S[22] = R4300iOp::UnknownOpcode; Jump_CoP1_S[23] = R4300iOp::UnknownOpcode; Jump_CoP1_S[24] = R4300iOp::UnknownOpcode; Jump_CoP1_S[25] = R4300iOp::UnknownOpcode; Jump_CoP1_S[26] = R4300iOp::UnknownOpcode; Jump_CoP1_S[27] = R4300iOp::UnknownOpcode; Jump_CoP1_S[28] = R4300iOp::UnknownOpcode; Jump_CoP1_S[29] = R4300iOp::UnknownOpcode; Jump_CoP1_S[30] = R4300iOp::UnknownOpcode; Jump_CoP1_S[31] = R4300iOp::UnknownOpcode; Jump_CoP1_S[32] = R4300iOp::UnknownOpcode; Jump_CoP1_S[33] = R4300iOp::COP1_S_CVT_D; Jump_CoP1_S[34] = R4300iOp::UnknownOpcode; Jump_CoP1_S[35] = R4300iOp::UnknownOpcode; Jump_CoP1_S[36] = R4300iOp::COP1_S_CVT_W; Jump_CoP1_S[37] = R4300iOp::COP1_S_CVT_L; Jump_CoP1_S[38] = R4300iOp::UnknownOpcode; Jump_CoP1_S[39] = R4300iOp::UnknownOpcode; Jump_CoP1_S[40] = R4300iOp::UnknownOpcode; Jump_CoP1_S[41] = R4300iOp::UnknownOpcode; Jump_CoP1_S[42] = R4300iOp::UnknownOpcode; Jump_CoP1_S[43] = R4300iOp::UnknownOpcode; Jump_CoP1_S[44] = R4300iOp::UnknownOpcode; Jump_CoP1_S[45] = R4300iOp::UnknownOpcode; Jump_CoP1_S[46] = R4300iOp::UnknownOpcode; Jump_CoP1_S[47] = R4300iOp::UnknownOpcode; Jump_CoP1_S[48] = R4300iOp::COP1_S_CMP; Jump_CoP1_S[49] = R4300iOp::COP1_S_CMP; Jump_CoP1_S[50] = R4300iOp::COP1_S_CMP; Jump_CoP1_S[51] = R4300iOp::COP1_S_CMP; Jump_CoP1_S[52] = R4300iOp::COP1_S_CMP; Jump_CoP1_S[53] = R4300iOp::COP1_S_CMP; Jump_CoP1_S[54] = R4300iOp::COP1_S_CMP; Jump_CoP1_S[55] = R4300iOp::COP1_S_CMP; Jump_CoP1_S[56] = R4300iOp::COP1_S_CMP; Jump_CoP1_S[57] = R4300iOp::COP1_S_CMP; Jump_CoP1_S[58] = R4300iOp::COP1_S_CMP; Jump_CoP1_S[59] = R4300iOp::COP1_S_CMP; Jump_CoP1_S[60] = R4300iOp::COP1_S_CMP; Jump_CoP1_S[61] = R4300iOp::COP1_S_CMP; Jump_CoP1_S[62] = R4300iOp::COP1_S_CMP; Jump_CoP1_S[63] = R4300iOp::COP1_S_CMP; Jump_CoP1_D[0] = R4300iOp::COP1_D_ADD; Jump_CoP1_D[1] = R4300iOp::COP1_D_SUB; Jump_CoP1_D[2] = R4300iOp::COP1_D_MUL; Jump_CoP1_D[3] = R4300iOp::COP1_D_DIV; Jump_CoP1_D[4] = R4300iOp::COP1_D_SQRT; Jump_CoP1_D[5] = R4300iOp::COP1_D_ABS; Jump_CoP1_D[6] = R4300iOp::COP1_D_MOV; Jump_CoP1_D[7] = R4300iOp::COP1_D_NEG; Jump_CoP1_D[8] = R4300iOp::COP1_D_ROUND_L; Jump_CoP1_D[9] = R4300iOp::COP1_D_TRUNC_L; Jump_CoP1_D[10] = R4300iOp::COP1_D_CEIL_L; Jump_CoP1_D[11] = R4300iOp::COP1_D_FLOOR_L; Jump_CoP1_D[12] = R4300iOp::COP1_D_ROUND_W; Jump_CoP1_D[13] = R4300iOp::COP1_D_TRUNC_W; Jump_CoP1_D[14] = R4300iOp::COP1_D_CEIL_W; Jump_CoP1_D[15] = R4300iOp::COP1_D_FLOOR_W; Jump_CoP1_D[16] = R4300iOp::UnknownOpcode; Jump_CoP1_D[17] = R4300iOp::UnknownOpcode; Jump_CoP1_D[18] = R4300iOp::UnknownOpcode; Jump_CoP1_D[19] = R4300iOp::UnknownOpcode; Jump_CoP1_D[20] = R4300iOp::UnknownOpcode; Jump_CoP1_D[21] = R4300iOp::UnknownOpcode; Jump_CoP1_D[22] = R4300iOp::UnknownOpcode; Jump_CoP1_D[23] = R4300iOp::UnknownOpcode; Jump_CoP1_D[24] = R4300iOp::UnknownOpcode; Jump_CoP1_D[25] = R4300iOp::UnknownOpcode; Jump_CoP1_D[26] = R4300iOp::UnknownOpcode; Jump_CoP1_D[27] = R4300iOp::UnknownOpcode; Jump_CoP1_D[28] = R4300iOp::UnknownOpcode; Jump_CoP1_D[29] = R4300iOp::UnknownOpcode; Jump_CoP1_D[30] = R4300iOp::UnknownOpcode; Jump_CoP1_D[31] = R4300iOp::UnknownOpcode; Jump_CoP1_D[32] = R4300iOp::COP1_D_CVT_S; Jump_CoP1_D[33] = R4300iOp::UnknownOpcode; Jump_CoP1_D[34] = R4300iOp::UnknownOpcode; Jump_CoP1_D[35] = R4300iOp::UnknownOpcode; Jump_CoP1_D[36] = R4300iOp::COP1_D_CVT_W; Jump_CoP1_D[37] = R4300iOp::COP1_D_CVT_L; Jump_CoP1_D[38] = R4300iOp::UnknownOpcode; Jump_CoP1_D[39] = R4300iOp::UnknownOpcode; Jump_CoP1_D[40] = R4300iOp::UnknownOpcode; Jump_CoP1_D[41] = R4300iOp::UnknownOpcode; Jump_CoP1_D[42] = R4300iOp::UnknownOpcode; Jump_CoP1_D[43] = R4300iOp::UnknownOpcode; Jump_CoP1_D[44] = R4300iOp::UnknownOpcode; Jump_CoP1_D[45] = R4300iOp::UnknownOpcode; Jump_CoP1_D[46] = R4300iOp::UnknownOpcode; Jump_CoP1_D[47] = R4300iOp::UnknownOpcode; Jump_CoP1_D[48] = R4300iOp::COP1_D_CMP; Jump_CoP1_D[49] = R4300iOp::COP1_D_CMP; Jump_CoP1_D[50] = R4300iOp::COP1_D_CMP; Jump_CoP1_D[51] = R4300iOp::COP1_D_CMP; Jump_CoP1_D[52] = R4300iOp::COP1_D_CMP; Jump_CoP1_D[53] = R4300iOp::COP1_D_CMP; Jump_CoP1_D[54] = R4300iOp::COP1_D_CMP; Jump_CoP1_D[55] = R4300iOp::COP1_D_CMP; Jump_CoP1_D[56] = R4300iOp::COP1_D_CMP; Jump_CoP1_D[57] = R4300iOp::COP1_D_CMP; Jump_CoP1_D[58] = R4300iOp::COP1_D_CMP; Jump_CoP1_D[59] = R4300iOp::COP1_D_CMP; Jump_CoP1_D[60] = R4300iOp::COP1_D_CMP; Jump_CoP1_D[61] = R4300iOp::COP1_D_CMP; Jump_CoP1_D[62] = R4300iOp::COP1_D_CMP; Jump_CoP1_D[63] = R4300iOp::COP1_D_CMP; Jump_CoP1_W[0] = R4300iOp::UnknownOpcode; Jump_CoP1_W[1] = R4300iOp::UnknownOpcode; Jump_CoP1_W[2] = R4300iOp::UnknownOpcode; Jump_CoP1_W[3] = R4300iOp::UnknownOpcode; Jump_CoP1_W[4] = R4300iOp::UnknownOpcode; Jump_CoP1_W[5] = R4300iOp::UnknownOpcode; Jump_CoP1_W[6] = R4300iOp::UnknownOpcode; Jump_CoP1_W[7] = R4300iOp::UnknownOpcode; Jump_CoP1_W[8] = R4300iOp::UnknownOpcode; Jump_CoP1_W[9] = R4300iOp::UnknownOpcode; Jump_CoP1_W[10] = R4300iOp::UnknownOpcode; Jump_CoP1_W[11] = R4300iOp::UnknownOpcode; Jump_CoP1_W[12] = R4300iOp::UnknownOpcode; Jump_CoP1_W[13] = R4300iOp::UnknownOpcode; Jump_CoP1_W[14] = R4300iOp::UnknownOpcode; Jump_CoP1_W[15] = R4300iOp::UnknownOpcode; Jump_CoP1_W[16] = R4300iOp::UnknownOpcode; Jump_CoP1_W[17] = R4300iOp::UnknownOpcode; Jump_CoP1_W[18] = R4300iOp::UnknownOpcode; Jump_CoP1_W[19] = R4300iOp::UnknownOpcode; Jump_CoP1_W[20] = R4300iOp::UnknownOpcode; Jump_CoP1_W[21] = R4300iOp::UnknownOpcode; Jump_CoP1_W[22] = R4300iOp::UnknownOpcode; Jump_CoP1_W[23] = R4300iOp::UnknownOpcode; Jump_CoP1_W[24] = R4300iOp::UnknownOpcode; Jump_CoP1_W[25] = R4300iOp::UnknownOpcode; Jump_CoP1_W[26] = R4300iOp::UnknownOpcode; Jump_CoP1_W[27] = R4300iOp::UnknownOpcode; Jump_CoP1_W[28] = R4300iOp::UnknownOpcode; Jump_CoP1_W[29] = R4300iOp::UnknownOpcode; Jump_CoP1_W[30] = R4300iOp::UnknownOpcode; Jump_CoP1_W[31] = R4300iOp::UnknownOpcode; Jump_CoP1_W[32] = R4300iOp::COP1_W_CVT_S; Jump_CoP1_W[33] = R4300iOp::COP1_W_CVT_D; Jump_CoP1_W[34] = R4300iOp::UnknownOpcode; Jump_CoP1_W[35] = R4300iOp::UnknownOpcode; Jump_CoP1_W[36] = R4300iOp::UnknownOpcode; Jump_CoP1_W[37] = R4300iOp::UnknownOpcode; Jump_CoP1_W[38] = R4300iOp::UnknownOpcode; Jump_CoP1_W[39] = R4300iOp::UnknownOpcode; Jump_CoP1_W[40] = R4300iOp::UnknownOpcode; Jump_CoP1_W[41] = R4300iOp::UnknownOpcode; Jump_CoP1_W[42] = R4300iOp::UnknownOpcode; Jump_CoP1_W[43] = R4300iOp::UnknownOpcode; Jump_CoP1_W[44] = R4300iOp::UnknownOpcode; Jump_CoP1_W[45] = R4300iOp::UnknownOpcode; Jump_CoP1_W[46] = R4300iOp::UnknownOpcode; Jump_CoP1_W[47] = R4300iOp::UnknownOpcode; Jump_CoP1_W[48] = R4300iOp::UnknownOpcode; Jump_CoP1_W[49] = R4300iOp::UnknownOpcode; Jump_CoP1_W[50] = R4300iOp::UnknownOpcode; Jump_CoP1_W[51] = R4300iOp::UnknownOpcode; Jump_CoP1_W[52] = R4300iOp::UnknownOpcode; Jump_CoP1_W[53] = R4300iOp::UnknownOpcode; Jump_CoP1_W[54] = R4300iOp::UnknownOpcode; Jump_CoP1_W[55] = R4300iOp::UnknownOpcode; Jump_CoP1_W[56] = R4300iOp::UnknownOpcode; Jump_CoP1_W[57] = R4300iOp::UnknownOpcode; Jump_CoP1_W[58] = R4300iOp::UnknownOpcode; Jump_CoP1_W[59] = R4300iOp::UnknownOpcode; Jump_CoP1_W[60] = R4300iOp::UnknownOpcode; Jump_CoP1_W[61] = R4300iOp::UnknownOpcode; Jump_CoP1_W[62] = R4300iOp::UnknownOpcode; Jump_CoP1_W[63] = R4300iOp::UnknownOpcode; Jump_CoP1_L[0] = R4300iOp::UnknownOpcode; Jump_CoP1_L[1] = R4300iOp::UnknownOpcode; Jump_CoP1_L[2] = R4300iOp::UnknownOpcode; Jump_CoP1_L[3] = R4300iOp::UnknownOpcode; Jump_CoP1_L[4] = R4300iOp::UnknownOpcode; Jump_CoP1_L[5] = R4300iOp::UnknownOpcode; Jump_CoP1_L[6] = R4300iOp::UnknownOpcode; Jump_CoP1_L[7] = R4300iOp::UnknownOpcode; Jump_CoP1_L[8] = R4300iOp::UnknownOpcode; Jump_CoP1_L[9] = R4300iOp::UnknownOpcode; Jump_CoP1_L[10] = R4300iOp::UnknownOpcode; Jump_CoP1_L[11] = R4300iOp::UnknownOpcode; Jump_CoP1_L[12] = R4300iOp::UnknownOpcode; Jump_CoP1_L[13] = R4300iOp::UnknownOpcode; Jump_CoP1_L[14] = R4300iOp::UnknownOpcode; Jump_CoP1_L[15] = R4300iOp::UnknownOpcode; Jump_CoP1_L[16] = R4300iOp::UnknownOpcode; Jump_CoP1_L[17] = R4300iOp::UnknownOpcode; Jump_CoP1_L[18] = R4300iOp::UnknownOpcode; Jump_CoP1_L[19] = R4300iOp::UnknownOpcode; Jump_CoP1_L[20] = R4300iOp::UnknownOpcode; Jump_CoP1_L[21] = R4300iOp::UnknownOpcode; Jump_CoP1_L[22] = R4300iOp::UnknownOpcode; Jump_CoP1_L[23] = R4300iOp::UnknownOpcode; Jump_CoP1_L[24] = R4300iOp::UnknownOpcode; Jump_CoP1_L[25] = R4300iOp::UnknownOpcode; Jump_CoP1_L[26] = R4300iOp::UnknownOpcode; Jump_CoP1_L[27] = R4300iOp::UnknownOpcode; Jump_CoP1_L[28] = R4300iOp::UnknownOpcode; Jump_CoP1_L[29] = R4300iOp::UnknownOpcode; Jump_CoP1_L[30] = R4300iOp::UnknownOpcode; Jump_CoP1_L[31] = R4300iOp::UnknownOpcode; Jump_CoP1_L[32] = R4300iOp::COP1_L_CVT_S; Jump_CoP1_L[33] = R4300iOp::COP1_L_CVT_D; Jump_CoP1_L[34] = R4300iOp::UnknownOpcode; Jump_CoP1_L[35] = R4300iOp::UnknownOpcode; Jump_CoP1_L[36] = R4300iOp::UnknownOpcode; Jump_CoP1_L[37] = R4300iOp::UnknownOpcode; Jump_CoP1_L[38] = R4300iOp::UnknownOpcode; Jump_CoP1_L[39] = R4300iOp::UnknownOpcode; Jump_CoP1_L[40] = R4300iOp::UnknownOpcode; Jump_CoP1_L[41] = R4300iOp::UnknownOpcode; Jump_CoP1_L[42] = R4300iOp::UnknownOpcode; Jump_CoP1_L[43] = R4300iOp::UnknownOpcode; Jump_CoP1_L[44] = R4300iOp::UnknownOpcode; Jump_CoP1_L[45] = R4300iOp::UnknownOpcode; Jump_CoP1_L[46] = R4300iOp::UnknownOpcode; Jump_CoP1_L[47] = R4300iOp::UnknownOpcode; Jump_CoP1_L[48] = R4300iOp::UnknownOpcode; Jump_CoP1_L[49] = R4300iOp::UnknownOpcode; Jump_CoP1_L[50] = R4300iOp::UnknownOpcode; Jump_CoP1_L[51] = R4300iOp::UnknownOpcode; Jump_CoP1_L[52] = R4300iOp::UnknownOpcode; Jump_CoP1_L[53] = R4300iOp::UnknownOpcode; Jump_CoP1_L[54] = R4300iOp::UnknownOpcode; Jump_CoP1_L[55] = R4300iOp::UnknownOpcode; Jump_CoP1_L[56] = R4300iOp::UnknownOpcode; Jump_CoP1_L[57] = R4300iOp::UnknownOpcode; Jump_CoP1_L[58] = R4300iOp::UnknownOpcode; Jump_CoP1_L[59] = R4300iOp::UnknownOpcode; Jump_CoP1_L[60] = R4300iOp::UnknownOpcode; Jump_CoP1_L[61] = R4300iOp::UnknownOpcode; Jump_CoP1_L[62] = R4300iOp::UnknownOpcode; Jump_CoP1_L[63] = R4300iOp::UnknownOpcode; return Jump_Opcode; } // Opcode functions void R4300iOp32::JAL() { g_System->DelayedJump((*_PROGRAM_COUNTER & 0xF0000000) + (m_Opcode.target << 2)); 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 R4300iOp32::BEQ() { if (_GPR[m_Opcode.rs].W[0] == _GPR[m_Opcode.rt].W[0]) { g_System->DelayedRelativeJump(((int16_t)m_Opcode.offset << 2) + 4); } else { g_System->DelayedJump(*_PROGRAM_COUNTER + 8); } } void R4300iOp32::BNE() { if (_GPR[m_Opcode.rs].W[0] != _GPR[m_Opcode.rt].W[0]) { g_System->DelayedRelativeJump(((int16_t)m_Opcode.offset << 2) + 4); } else { g_System->DelayedJump(*_PROGRAM_COUNTER + 8); } } void R4300iOp32::BLEZ() { if (_GPR[m_Opcode.rs].W[0] <= 0) { g_System->DelayedRelativeJump(((int16_t)m_Opcode.offset << 2) + 4); } else { g_System->DelayedJump(*_PROGRAM_COUNTER + 8); } } void R4300iOp32::BGTZ() { if (_GPR[m_Opcode.rs].W[0] > 0) { g_System->DelayedRelativeJump(((int16_t)m_Opcode.offset << 2) + 4); } else { g_System->DelayedJump(*_PROGRAM_COUNTER + 8); } } void R4300iOp32::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].W[0] = sum; #ifdef Interpreter_StackTest if (m_Opcode.rt == 29 && m_Opcode.rs != 29) { StackValue = _GPR[m_Opcode.rt].W[0]; } #endif } void R4300iOp32::ADDIU() { #ifdef Interpreter_StackTest if (m_Opcode.rs == 29 && m_Opcode.rt == 29) { StackValue += (int16_t)m_Opcode.immediate; } #endif _GPR[m_Opcode.rt].W[0] = (_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 R4300iOp32::SLTI() { if (_GPR[m_Opcode.rs].W[0] < (int64_t)((int16_t)m_Opcode.immediate)) { _GPR[m_Opcode.rt].W[0] = 1; } else { _GPR[m_Opcode.rt].W[0] = 0; } } void R4300iOp32::SLTIU() { int32_t imm32 = (int16_t)m_Opcode.immediate; int64_t imm64; imm64 = imm32; _GPR[m_Opcode.rt].W[0] = _GPR[m_Opcode.rs].UW[0] < (uint64_t)imm64 ? 1 : 0; } void R4300iOp32::ANDI() { _GPR[m_Opcode.rt].W[0] = _GPR[m_Opcode.rs].W[0] & m_Opcode.immediate; } void R4300iOp32::ORI() { _GPR[m_Opcode.rt].W[0] = _GPR[m_Opcode.rs].W[0] | m_Opcode.immediate; } void R4300iOp32::XORI() { _GPR[m_Opcode.rt].W[0] = _GPR[m_Opcode.rs].W[0] ^ m_Opcode.immediate; } void R4300iOp32::LUI() { _GPR[m_Opcode.rt].W[0] = (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 R4300iOp32::BEQL() { if (_GPR[m_Opcode.rs].W[0] == _GPR[m_Opcode.rt].W[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 R4300iOp32::BNEL() { if (_GPR[m_Opcode.rs].W[0] != _GPR[m_Opcode.rt].W[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 R4300iOp32::BLEZL() { if (_GPR[m_Opcode.rs].W[0] <= 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 R4300iOp32::BGTZL() { if (_GPR[m_Opcode.rs].W[0] > 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 R4300iOp32::LB() { uint32_t Address = _GPR[m_Opcode.base].UW[0] + (int16_t)m_Opcode.offset; uint8_t MemoryValue; if (g_MMU->LB_Memory(Address, MemoryValue)) { _GPR[m_Opcode.rt].W[0] = (int8_t)MemoryValue; } } void R4300iOp32::LH() { uint32_t Address = _GPR[m_Opcode.base].UW[0] + (int16_t)m_Opcode.offset; uint16_t MemoryValue; if (g_MMU->LH_Memory(Address, MemoryValue)) { _GPR[m_Opcode.rt].W[0] = (int16_t)MemoryValue; } } void R4300iOp32::LWL() { uint32_t Address = _GPR[m_Opcode.base].UW[0] + (int16_t)m_Opcode.offset, MemoryValue; if (g_MMU->LW_Memory((Address & ~3), MemoryValue)) { uint32_t Offset = Address & 3; _GPR[m_Opcode.rt].W[0] = (int32_t)(_GPR[m_Opcode.rt].W[0] & LWL_MASK[Offset]); _GPR[m_Opcode.rt].W[0] += (int32_t)(MemoryValue << LWL_SHIFT[Offset]); } } void R4300iOp32::LW() { uint32_t Address = _GPR[m_Opcode.base].UW[0] + (int16_t)m_Opcode.offset; g_MMU->LW_Memory(Address, _GPR[m_Opcode.rt].UW[0]); } void R4300iOp32::LBU() { uint32_t Address = _GPR[m_Opcode.base].UW[0] + (int16_t)m_Opcode.offset; uint8_t MemoryValue; if (g_MMU->LB_Memory(Address, MemoryValue)) { _GPR[m_Opcode.rt].UW[0] = MemoryValue; } } void R4300iOp32::LHU() { uint32_t Address = _GPR[m_Opcode.base].UW[0] + (int16_t)m_Opcode.offset; uint16_t MemoryValue; if (g_MMU->LH_Memory(Address, MemoryValue)) { _GPR[m_Opcode.rt].UW[0] = MemoryValue; } } void R4300iOp32::LWR() { uint32_t Address = _GPR[m_Opcode.base].UW[0] + (int16_t)m_Opcode.offset, MemoryValue; if (g_MMU->LW_Memory((Address & ~3), MemoryValue)) { uint32_t Offset = Address & 3; _GPR[m_Opcode.rt].W[0] = (int32_t)(_GPR[m_Opcode.rt].W[0] & LWR_MASK[Offset]); _GPR[m_Opcode.rt].W[0] += (int32_t)(MemoryValue >> LWR_SHIFT[Offset]); } } void R4300iOp32::LWU() { uint32_t Address = _GPR[m_Opcode.base].UW[0] + (int16_t)m_Opcode.offset; g_MMU->LW_Memory(Address, _GPR[m_Opcode.rt].UW[0]); } void R4300iOp32::LL() { uint32_t Address = _GPR[m_Opcode.base].UW[0] + (int16_t)m_Opcode.offset; if (g_MMU->LW_Memory(Address, _GPR[m_Opcode.rt].UW[0])) { (*_LLBit) = 1; } } // R4300i opcodes: Special void R4300iOp32::SPECIAL_SLL() { _GPR[m_Opcode.rd].W[0] = (_GPR[m_Opcode.rt].W[0] << m_Opcode.sa); } void R4300iOp32::SPECIAL_SRL() { _GPR[m_Opcode.rd].W[0] = (int32_t)(_GPR[m_Opcode.rt].UW[0] >> m_Opcode.sa); } void R4300iOp32::SPECIAL_SRA() { _GPR[m_Opcode.rd].W[0] = (_GPR[m_Opcode.rt].W[0] >> m_Opcode.sa); } void R4300iOp32::SPECIAL_SLLV() { _GPR[m_Opcode.rd].W[0] = (_GPR[m_Opcode.rt].W[0] << (_GPR[m_Opcode.rs].UW[0] & 0x1F)); } void R4300iOp32::SPECIAL_SRLV() { _GPR[m_Opcode.rd].W[0] = (int32_t)(_GPR[m_Opcode.rt].UW[0] >> (_GPR[m_Opcode.rs].UW[0] & 0x1F)); } void R4300iOp32::SPECIAL_SRAV() { _GPR[m_Opcode.rd].W[0] = (_GPR[m_Opcode.rt].W[0] >> (_GPR[m_Opcode.rs].UW[0] & 0x1F)); } void R4300iOp32::SPECIAL_JALR() { g_System->DelayedJump(_GPR[m_Opcode.rs].UW[0]); _GPR[m_Opcode.rd].W[0] = g_System->m_PipelineStage == PIPELINE_STAGE_JUMP_DELAY_SLOT ? g_System->m_JumpToLocation + 4 : *_PROGRAM_COUNTER + 8; m_TestTimer = true; } void R4300iOp32::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].W[0] = sum; } void R4300iOp32::SPECIAL_ADDU() { _GPR[m_Opcode.rd].W[0] = _GPR[m_Opcode.rs].W[0] + _GPR[m_Opcode.rt].W[0]; } void R4300iOp32::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].W[0] = sub; } void R4300iOp32::SPECIAL_SUBU() { _GPR[m_Opcode.rd].W[0] = _GPR[m_Opcode.rs].W[0] - _GPR[m_Opcode.rt].W[0]; } void R4300iOp32::SPECIAL_AND() { _GPR[m_Opcode.rd].W[0] = _GPR[m_Opcode.rs].W[0] & _GPR[m_Opcode.rt].W[0]; } void R4300iOp32::SPECIAL_OR() { _GPR[m_Opcode.rd].W[0] = _GPR[m_Opcode.rs].W[0] | _GPR[m_Opcode.rt].W[0]; #ifdef Interpreter_StackTest if (m_Opcode.rd == 29) { StackValue = _GPR[m_Opcode.rd].W[0]; } #endif } void R4300iOp32::SPECIAL_NOR() { _GPR[m_Opcode.rd].W[0] = ~(_GPR[m_Opcode.rs].W[0] | _GPR[m_Opcode.rt].W[0]); } void R4300iOp32::SPECIAL_SLT() { if (_GPR[m_Opcode.rs].W[0] < _GPR[m_Opcode.rt].W[0]) { _GPR[m_Opcode.rd].W[0] = 1; } else { _GPR[m_Opcode.rd].W[0] = 0; } } void R4300iOp32::SPECIAL_SLTU() { if (_GPR[m_Opcode.rs].UW[0] < _GPR[m_Opcode.rt].UW[0]) { _GPR[m_Opcode.rd].W[0] = 1; } else { _GPR[m_Opcode.rd].W[0] = 0; } } void R4300iOp32::SPECIAL_TEQ() { if (_GPR[m_Opcode.rs].W[0] == _GPR[m_Opcode.rt].W[0] && CDebugSettings::HaveDebugger()) { g_Notify->DisplayError("Should we trap this?"); } } // R4300i opcodes: RegImm void R4300iOp32::REGIMM_BLTZ() { if (_GPR[m_Opcode.rs].W[0] < 0) { g_System->DelayedRelativeJump(((int16_t)m_Opcode.offset << 2) + 4); } else { g_System->DelayedJump(*_PROGRAM_COUNTER + 8); } } void R4300iOp32::REGIMM_BGEZ() { if (_GPR[m_Opcode.rs].W[0] >= 0) { g_System->DelayedRelativeJump(((int16_t)m_Opcode.offset << 2) + 4); } else { g_System->DelayedJump(*_PROGRAM_COUNTER + 8); } } void R4300iOp32::REGIMM_BLTZL() { if (_GPR[m_Opcode.rs].W[0] < 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 R4300iOp32::REGIMM_BGEZL() { if (_GPR[m_Opcode.rs].W[0] >= 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 R4300iOp32::REGIMM_BLTZAL() { if (_GPR[m_Opcode.rs].W[0] < 0) { g_System->DelayedRelativeJump(((int16_t)m_Opcode.offset << 2) + 4); } else { g_System->DelayedJump(*_PROGRAM_COUNTER + 8); } _GPR[31].W[0] = g_System->m_PipelineStage == PIPELINE_STAGE_JUMP_DELAY_SLOT ? g_System->m_JumpToLocation + 4 : *_PROGRAM_COUNTER + 8; } void R4300iOp32::REGIMM_BGEZAL() { if (_GPR[m_Opcode.rs].W[0] >= 0) { g_System->DelayedRelativeJump(((int16_t)m_Opcode.offset << 2) + 4); } else { g_System->m_JumpToLocation = (*_PROGRAM_COUNTER) + 8; } _GPR[31].W[0] = (int32_t)((*_PROGRAM_COUNTER) + 8); } // COP0 functions void R4300iOp32::COP0_MF() { _GPR[m_Opcode.rt].W[0] = (int32_t)g_Reg->Cop0_MF((CRegisters::COP0Reg)m_Opcode.rd); } // COP1 functions void R4300iOp32::COP1_MF() { TEST_COP1_USABLE_EXCEPTION _GPR[m_Opcode.rt].W[0] = *(int32_t *)_FPR_S[m_Opcode.fs]; } void R4300iOp32::COP1_CF() { TEST_COP1_USABLE_EXCEPTION if (m_Opcode.fs != 31 && m_Opcode.fs != 0) { if (CDebugSettings::HaveDebugger()) { g_Notify->DisplayError("CFC1: what register are you writing to?"); } return; } _GPR[m_Opcode.rt].W[0] = (int32_t)_FPCR[m_Opcode.fs]; } void R4300iOp32::COP1_DMT() { TEST_COP1_USABLE_EXCEPTION *(int64_t *)_FPR_D[m_Opcode.fs] = _GPR[m_Opcode.rt].W[0]; }