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Interpreter Ops.cpp
2267 lines (2064 loc) · 58.4 KB
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Interpreter Ops.cpp
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#include "CPU.h"
#include "Interpreter CPU.h"
#include "RSP Command.h"
#include "RSP Registers.h"
#include "Rsp.h"
#include "Types.h"
#include "dma.h"
#include "log.h"
#include "memory.h"
#include "x86.h"
#include "cpu/RSPInstruction.h"
#include <math.h>
#include <stdio.h>
#include <windows.h>
#include <float.h>
// TODO: Is this still an issue? If so, investigate, and if not, remove this!
/*
* Unfortunately, GCC 4.8.2 stable still has a bug with their <float.h> that
* includes a different copy of <float.h> from a different directory.
*
* Until that bug is fixed, the below macro definitions can be forced.
*
* It also is possible to emulate the RSP divide op-codes using a hardware-
* accurate LUT instead of any floating-point functions, so that works, too.
*/
#ifndef _MCW_RC
#define _MCW_RC 0x00000300
#endif
#ifndef _RC_CHOP
#define _RC_CHOP 0x00000300
#endif
extern UWORD32 Recp, RecpResult, SQroot, SQrootResult;
extern Boolean AudioHle, GraphicsHle;
// Opcode functions
void RSP_Opcode_SPECIAL(void)
{
RSP_Special[RSPOpC.funct]();
}
void RSP_Opcode_REGIMM(void)
{
RSP_RegImm[RSPOpC.rt]();
}
void RSP_Opcode_J(void)
{
RSP_NextInstruction = DELAY_SLOT;
RSP_JumpTo = (RSPOpC.target << 2) & 0xFFC;
}
void RSP_Opcode_JAL(void)
{
RSP_NextInstruction = DELAY_SLOT;
RSP_GPR[31].UW = (*PrgCount + 8) & 0xFFC;
RSP_JumpTo = (RSPOpC.target << 2) & 0xFFC;
}
void RSP_Opcode_BEQ(void)
{
RSP_NextInstruction = DELAY_SLOT;
RSP_JumpTo = RSP_branch_if(RSP_GPR[RSPOpC.rs].W == RSP_GPR[RSPOpC.rt].W);
}
void RSP_Opcode_BNE(void)
{
RSP_NextInstruction = DELAY_SLOT;
RSP_JumpTo = RSP_branch_if(RSP_GPR[RSPOpC.rs].W != RSP_GPR[RSPOpC.rt].W);
}
void RSP_Opcode_BLEZ(void)
{
RSP_NextInstruction = DELAY_SLOT;
RSP_JumpTo = RSP_branch_if(RSP_GPR[RSPOpC.rs].W <= 0);
}
void RSP_Opcode_BGTZ(void)
{
RSP_NextInstruction = DELAY_SLOT;
RSP_JumpTo = RSP_branch_if(RSP_GPR[RSPOpC.rs].W > 0);
}
void RSP_Opcode_ADDI(void)
{
RSP_GPR[RSPOpC.rt].W = RSP_GPR[RSPOpC.rs].W + (int16_t)RSPOpC.immediate;
}
void RSP_Opcode_ADDIU(void)
{
RSP_GPR[RSPOpC.rt].UW = RSP_GPR[RSPOpC.rs].UW + (uint32_t)((int16_t)RSPOpC.immediate);
}
void RSP_Opcode_SLTI(void)
{
RSP_GPR[RSPOpC.rt].W = (RSP_GPR[RSPOpC.rs].W < (int16_t)RSPOpC.immediate) ? 1 : 0;
}
void RSP_Opcode_SLTIU(void)
{
RSP_GPR[RSPOpC.rt].W = (RSP_GPR[RSPOpC.rs].UW < (uint32_t)(int16_t)RSPOpC.immediate) ? 1 : 0;
}
void RSP_Opcode_ANDI(void)
{
RSP_GPR[RSPOpC.rt].W = RSP_GPR[RSPOpC.rs].W & RSPOpC.immediate;
}
void RSP_Opcode_ORI(void)
{
RSP_GPR[RSPOpC.rt].W = RSP_GPR[RSPOpC.rs].W | RSPOpC.immediate;
}
void RSP_Opcode_XORI(void)
{
RSP_GPR[RSPOpC.rt].W = RSP_GPR[RSPOpC.rs].W ^ RSPOpC.immediate;
}
void RSP_Opcode_LUI(void)
{
RSP_GPR[RSPOpC.rt].W = RSPOpC.immediate << 16;
}
void RSP_Opcode_COP0(void)
{
RSP_Cop0[RSPOpC.rs]();
}
void RSP_Opcode_COP2(void)
{
RSP_Cop2[RSPOpC.rs]();
}
void RSP_Opcode_LB(void)
{
uint32_t Address = (uint32_t)(RSP_GPR[RSPOpC.base].W + (short)RSPOpC.offset) & 0xFFF;
RSP_LB_DMEM(Address, &RSP_GPR[RSPOpC.rt].UB[0]);
RSP_GPR[RSPOpC.rt].W = RSP_GPR[RSPOpC.rt].B[0];
}
void RSP_Opcode_LH(void)
{
uint32_t Address = (uint32_t)(RSP_GPR[RSPOpC.base].W + (short)RSPOpC.offset) & 0xFFF;
RSP_LH_DMEM(Address, &RSP_GPR[RSPOpC.rt].UHW[0]);
RSP_GPR[RSPOpC.rt].W = RSP_GPR[RSPOpC.rt].HW[0];
}
void RSP_Opcode_LW(void)
{
uint32_t Address = (uint32_t)(RSP_GPR[RSPOpC.base].W + (short)RSPOpC.offset) & 0xFFF;
RSP_LW_DMEM(Address, &RSP_GPR[RSPOpC.rt].UW);
}
void RSP_Opcode_LBU(void)
{
uint32_t Address = (uint32_t)(RSP_GPR[RSPOpC.base].W + (short)RSPOpC.offset) & 0xFFF;
RSP_LB_DMEM(Address, &RSP_GPR[RSPOpC.rt].UB[0]);
RSP_GPR[RSPOpC.rt].UW = RSP_GPR[RSPOpC.rt].UB[0];
}
void RSP_Opcode_LHU(void)
{
uint32_t Address = (uint32_t)(RSP_GPR[RSPOpC.base].W + (short)RSPOpC.offset) & 0xFFF;
RSP_LH_DMEM(Address, &RSP_GPR[RSPOpC.rt].UHW[0]);
RSP_GPR[RSPOpC.rt].UW = RSP_GPR[RSPOpC.rt].UHW[0];
}
void RSP_Opcode_SB(void)
{
uint32_t Address = (uint32_t)(RSP_GPR[RSPOpC.base].W + (short)RSPOpC.offset) & 0xFFF;
RSP_SB_DMEM(Address, RSP_GPR[RSPOpC.rt].UB[0]);
}
void RSP_Opcode_SH(void)
{
uint32_t Address = (uint32_t)(RSP_GPR[RSPOpC.base].W + (short)RSPOpC.offset) & 0xFFF;
RSP_SH_DMEM(Address, RSP_GPR[RSPOpC.rt].UHW[0]);
}
void RSP_Opcode_SW(void)
{
uint32_t Address = (uint32_t)(RSP_GPR[RSPOpC.base].W + (short)RSPOpC.offset) & 0xFFF;
RSP_SW_DMEM(Address, RSP_GPR[RSPOpC.rt].UW);
}
void RSP_Opcode_LC2(void)
{
RSP_Lc2[RSPOpC.rd]();
}
void RSP_Opcode_SC2(void)
{
RSP_Sc2[RSPOpC.rd]();
}
// R4300i Opcodes: Special
void RSP_Special_SLL(void)
{
RSP_GPR[RSPOpC.rd].W = RSP_GPR[RSPOpC.rt].W << RSPOpC.sa;
}
void RSP_Special_SRL(void)
{
RSP_GPR[RSPOpC.rd].UW = RSP_GPR[RSPOpC.rt].UW >> RSPOpC.sa;
}
void RSP_Special_SRA(void)
{
RSP_GPR[RSPOpC.rd].W = RSP_GPR[RSPOpC.rt].W >> RSPOpC.sa;
}
void RSP_Special_SLLV(void)
{
RSP_GPR[RSPOpC.rd].W = RSP_GPR[RSPOpC.rt].W << (RSP_GPR[RSPOpC.rs].W & 0x1F);
}
void RSP_Special_SRLV(void)
{
RSP_GPR[RSPOpC.rd].UW = RSP_GPR[RSPOpC.rt].UW >> (RSP_GPR[RSPOpC.rs].W & 0x1F);
}
void RSP_Special_SRAV(void)
{
RSP_GPR[RSPOpC.rd].W = RSP_GPR[RSPOpC.rt].W >> (RSP_GPR[RSPOpC.rs].W & 0x1F);
}
void RSP_Special_JR(void)
{
RSP_NextInstruction = DELAY_SLOT;
RSP_JumpTo = (RSP_GPR[RSPOpC.rs].W & 0xFFC);
}
void RSP_Special_JALR(void)
{
RSP_NextInstruction = DELAY_SLOT;
RSP_GPR[RSPOpC.rd].W = (*PrgCount + 8) & 0xFFC;
RSP_JumpTo = (RSP_GPR[RSPOpC.rs].W & 0xFFC);
}
void RSP_Special_BREAK(void)
{
RSP_Running = FALSE;
*RSPInfo.SP_STATUS_REG |= (SP_STATUS_HALT | SP_STATUS_BROKE);
if ((*RSPInfo.SP_STATUS_REG & SP_STATUS_INTR_BREAK) != 0)
{
*RSPInfo.MI_INTR_REG |= R4300i_SP_Intr;
RSPInfo.CheckInterrupts();
}
}
void RSP_Special_ADD(void)
{
RSP_GPR[RSPOpC.rd].W = RSP_GPR[RSPOpC.rs].W + RSP_GPR[RSPOpC.rt].W;
}
void RSP_Special_ADDU(void)
{
RSP_GPR[RSPOpC.rd].UW = RSP_GPR[RSPOpC.rs].UW + RSP_GPR[RSPOpC.rt].UW;
}
void RSP_Special_SUB(void)
{
RSP_GPR[RSPOpC.rd].W = RSP_GPR[RSPOpC.rs].W - RSP_GPR[RSPOpC.rt].W;
}
void RSP_Special_SUBU(void)
{
RSP_GPR[RSPOpC.rd].UW = RSP_GPR[RSPOpC.rs].UW - RSP_GPR[RSPOpC.rt].UW;
}
void RSP_Special_AND(void)
{
RSP_GPR[RSPOpC.rd].UW = RSP_GPR[RSPOpC.rs].UW & RSP_GPR[RSPOpC.rt].UW;
}
void RSP_Special_OR(void)
{
RSP_GPR[RSPOpC.rd].UW = RSP_GPR[RSPOpC.rs].UW | RSP_GPR[RSPOpC.rt].UW;
}
void RSP_Special_XOR(void)
{
RSP_GPR[RSPOpC.rd].UW = RSP_GPR[RSPOpC.rs].UW ^ RSP_GPR[RSPOpC.rt].UW;
}
void RSP_Special_NOR(void)
{
RSP_GPR[RSPOpC.rd].UW = ~(RSP_GPR[RSPOpC.rs].UW | RSP_GPR[RSPOpC.rt].UW);
}
void RSP_Special_SLT(void)
{
RSP_GPR[RSPOpC.rd].UW = (RSP_GPR[RSPOpC.rs].W < RSP_GPR[RSPOpC.rt].W) ? 1 : 0;
}
void RSP_Special_SLTU(void)
{
RSP_GPR[RSPOpC.rd].UW = (RSP_GPR[RSPOpC.rs].UW < RSP_GPR[RSPOpC.rt].UW) ? 1 : 0;
}
// R4300i Opcodes: RegImm
void RSP_Opcode_BLTZ(void)
{
RSP_NextInstruction = DELAY_SLOT;
RSP_JumpTo = RSP_branch_if(RSP_GPR[RSPOpC.rs].W < 0);
}
void RSP_Opcode_BGEZ(void)
{
RSP_NextInstruction = DELAY_SLOT;
RSP_JumpTo = RSP_branch_if(RSP_GPR[RSPOpC.rs].W >= 0);
}
void RSP_Opcode_BLTZAL(void)
{
RSP_NextInstruction = DELAY_SLOT;
RSP_GPR[31].UW = (*PrgCount + 8) & 0xFFC;
RSP_JumpTo = RSP_branch_if(RSP_GPR[RSPOpC.rs].W < 0);
}
void RSP_Opcode_BGEZAL(void)
{
RSP_NextInstruction = DELAY_SLOT;
RSP_GPR[31].UW = (*PrgCount + 8) & 0xFFC;
RSP_JumpTo = RSP_branch_if(RSP_GPR[RSPOpC.rs].W >= 0);
}
// COP0 functions
void RSP_Cop0_MF(void)
{
if (LogRDP && CPUCore == InterpreterCPU)
{
RDP_LogMF0(*PrgCount, RSPOpC.rd);
}
switch (RSPOpC.rd)
{
case 0: RSP_GPR[RSPOpC.rt].UW = *RSPInfo.SP_MEM_ADDR_REG; break;
case 1: RSP_GPR[RSPOpC.rt].UW = *RSPInfo.SP_DRAM_ADDR_REG; break;
case 4:
RSP_MfStatusCount += 1;
RSP_GPR[RSPOpC.rt].UW = *RSPInfo.SP_STATUS_REG;
if (Mfc0Count != 0 && RSP_MfStatusCount > Mfc0Count)
{
RSP_Running = FALSE;
}
break;
case 5: RSP_GPR[RSPOpC.rt].UW = *RSPInfo.SP_DMA_FULL_REG; break;
case 6: RSP_GPR[RSPOpC.rt].UW = *RSPInfo.SP_DMA_BUSY_REG; break;
case 7:
if (AudioHle || GraphicsHle || SemaphoreExit == 0)
{
RSP_GPR[RSPOpC.rt].W = 0;
}
else
{
RSP_GPR[RSPOpC.rt].W = *RSPInfo.SP_SEMAPHORE_REG;
*RSPInfo.SP_SEMAPHORE_REG = 1;
RSP_Running = FALSE;
}
break;
case 8: RSP_GPR[RSPOpC.rt].UW = *RSPInfo.DPC_START_REG; break;
case 9: RSP_GPR[RSPOpC.rt].UW = *RSPInfo.DPC_END_REG; break;
case 10: RSP_GPR[RSPOpC.rt].UW = *RSPInfo.DPC_CURRENT_REG; break;
case 11: RSP_GPR[RSPOpC.rt].W = *RSPInfo.DPC_STATUS_REG; break;
case 12: RSP_GPR[RSPOpC.rt].W = *RSPInfo.DPC_CLOCK_REG; break;
default:
DisplayError("We have not implemented RSP MF CP0 reg %s (%d)", COP0_Name(RSPOpC.rd), RSPOpC.rd);
}
}
void RSP_Cop0_MT(void)
{
if (LogRDP && CPUCore == InterpreterCPU)
{
RDP_LogMT0(*PrgCount, RSPOpC.rd, RSP_GPR[RSPOpC.rt].UW);
}
switch (RSPOpC.rd)
{
case 0: *RSPInfo.SP_MEM_ADDR_REG = RSP_GPR[RSPOpC.rt].UW; break;
case 1: *RSPInfo.SP_DRAM_ADDR_REG = RSP_GPR[RSPOpC.rt].UW; break;
case 2:
*RSPInfo.SP_RD_LEN_REG = RSP_GPR[RSPOpC.rt].UW;
SP_DMA_READ();
break;
case 3:
*RSPInfo.SP_WR_LEN_REG = RSP_GPR[RSPOpC.rt].UW;
SP_DMA_WRITE();
break;
case 4:
if ((RSP_GPR[RSPOpC.rt].W & SP_CLR_HALT) != 0)
{
*RSPInfo.SP_STATUS_REG &= ~SP_STATUS_HALT;
}
if ((RSP_GPR[RSPOpC.rt].W & SP_SET_HALT) != 0)
{
*RSPInfo.SP_STATUS_REG |= SP_STATUS_HALT;
}
if ((RSP_GPR[RSPOpC.rt].W & SP_CLR_BROKE) != 0)
{
*RSPInfo.SP_STATUS_REG &= ~SP_STATUS_BROKE;
}
if ((RSP_GPR[RSPOpC.rt].W & SP_CLR_INTR) != 0)
{
*RSPInfo.MI_INTR_REG &= ~R4300i_SP_Intr;
}
if ((RSP_GPR[RSPOpC.rt].W & SP_SET_INTR) != 0)
{
*RSPInfo.MI_INTR_REG |= R4300i_SP_Intr;
RSPInfo.CheckInterrupts();
RSP_Running = FALSE;
}
if ((RSP_GPR[RSPOpC.rt].W & SP_CLR_SSTEP) != 0)
{
*RSPInfo.SP_STATUS_REG &= ~SP_STATUS_SSTEP;
}
if ((RSP_GPR[RSPOpC.rt].W & SP_SET_SSTEP) != 0)
{
*RSPInfo.SP_STATUS_REG |= SP_STATUS_SSTEP;
RSP_NextInstruction = SINGLE_STEP;
}
if ((RSP_GPR[RSPOpC.rt].W & SP_CLR_INTR_BREAK) != 0)
{
*RSPInfo.SP_STATUS_REG &= ~SP_STATUS_INTR_BREAK;
}
if ((RSP_GPR[RSPOpC.rt].W & SP_SET_INTR_BREAK) != 0)
{
*RSPInfo.SP_STATUS_REG |= SP_STATUS_INTR_BREAK;
}
if ((RSP_GPR[RSPOpC.rt].W & SP_CLR_SIG0) != 0)
{
*RSPInfo.SP_STATUS_REG &= ~SP_STATUS_SIG0;
}
if ((RSP_GPR[RSPOpC.rt].W & SP_SET_SIG0) != 0)
{
*RSPInfo.SP_STATUS_REG |= SP_STATUS_SIG0;
}
if ((RSP_GPR[RSPOpC.rt].W & SP_CLR_SIG1) != 0)
{
*RSPInfo.SP_STATUS_REG &= ~SP_STATUS_SIG1;
}
if ((RSP_GPR[RSPOpC.rt].W & SP_SET_SIG1) != 0)
{
*RSPInfo.SP_STATUS_REG |= SP_STATUS_SIG1;
}
if ((RSP_GPR[RSPOpC.rt].W & SP_CLR_SIG2) != 0)
{
*RSPInfo.SP_STATUS_REG &= ~SP_STATUS_SIG2;
}
if ((RSP_GPR[RSPOpC.rt].W & SP_SET_SIG2) != 0)
{
*RSPInfo.SP_STATUS_REG |= SP_STATUS_SIG2;
}
if ((RSP_GPR[RSPOpC.rt].W & SP_CLR_SIG3) != 0)
{
*RSPInfo.SP_STATUS_REG &= ~SP_STATUS_SIG3;
}
if ((RSP_GPR[RSPOpC.rt].W & SP_SET_SIG3) != 0)
{
*RSPInfo.SP_STATUS_REG |= SP_STATUS_SIG3;
}
if ((RSP_GPR[RSPOpC.rt].W & SP_CLR_SIG4) != 0)
{
*RSPInfo.SP_STATUS_REG &= ~SP_STATUS_SIG4;
}
if ((RSP_GPR[RSPOpC.rt].W & SP_SET_SIG4) != 0)
{
*RSPInfo.SP_STATUS_REG |= SP_STATUS_SIG4;
}
if ((RSP_GPR[RSPOpC.rt].W & SP_CLR_SIG5) != 0)
{
*RSPInfo.SP_STATUS_REG &= ~SP_STATUS_SIG5;
}
if ((RSP_GPR[RSPOpC.rt].W & SP_SET_SIG5) != 0)
{
*RSPInfo.SP_STATUS_REG |= SP_STATUS_SIG5;
}
if ((RSP_GPR[RSPOpC.rt].W & SP_CLR_SIG6) != 0)
{
*RSPInfo.SP_STATUS_REG &= ~SP_STATUS_SIG6;
}
if ((RSP_GPR[RSPOpC.rt].W & SP_SET_SIG6) != 0)
{
*RSPInfo.SP_STATUS_REG |= SP_STATUS_SIG6;
}
if ((RSP_GPR[RSPOpC.rt].W & SP_CLR_SIG7) != 0)
{
*RSPInfo.SP_STATUS_REG &= ~SP_STATUS_SIG7;
}
if ((RSP_GPR[RSPOpC.rt].W & SP_SET_SIG7) != 0)
{
*RSPInfo.SP_STATUS_REG |= SP_STATUS_SIG7;
}
break;
case 7: *RSPInfo.SP_SEMAPHORE_REG = 0; break;
case 8:
*RSPInfo.DPC_START_REG = RSP_GPR[RSPOpC.rt].UW;
*RSPInfo.DPC_CURRENT_REG = RSP_GPR[RSPOpC.rt].UW;
break;
case 9:
*RSPInfo.DPC_END_REG = RSP_GPR[RSPOpC.rt].UW;
RDP_LogDlist();
if (RSPInfo.ProcessRdpList != NULL)
{
RSPInfo.ProcessRdpList();
}
break;
case 10: *RSPInfo.DPC_CURRENT_REG = RSP_GPR[RSPOpC.rt].UW; break;
case 11:
if ((RSP_GPR[RSPOpC.rt].W & DPC_CLR_XBUS_DMEM_DMA) != 0)
{
*RSPInfo.DPC_STATUS_REG &= ~DPC_STATUS_XBUS_DMEM_DMA;
}
if ((RSP_GPR[RSPOpC.rt].W & DPC_SET_XBUS_DMEM_DMA) != 0)
{
*RSPInfo.DPC_STATUS_REG |= DPC_STATUS_XBUS_DMEM_DMA;
}
if ((RSP_GPR[RSPOpC.rt].W & DPC_CLR_FREEZE) != 0)
{
*RSPInfo.DPC_STATUS_REG &= ~DPC_STATUS_FREEZE;
}
if ((RSP_GPR[RSPOpC.rt].W & DPC_SET_FREEZE) != 0)
{
*RSPInfo.DPC_STATUS_REG |= DPC_STATUS_FREEZE;
}
if ((RSP_GPR[RSPOpC.rt].W & DPC_CLR_FLUSH) != 0)
{
*RSPInfo.DPC_STATUS_REG &= ~DPC_STATUS_FLUSH;
}
if ((RSP_GPR[RSPOpC.rt].W & DPC_SET_FLUSH) != 0)
{
*RSPInfo.DPC_STATUS_REG |= DPC_STATUS_FLUSH;
}
if ((RSP_GPR[RSPOpC.rt].W & DPC_CLR_TMEM_CTR) != 0)
{ /* DisplayError("RSP: DPC_STATUS_REG: DPC_CLR_TMEM_CTR"); */
}
if ((RSP_GPR[RSPOpC.rt].W & DPC_CLR_PIPE_CTR) != 0)
{
DisplayError("RSP: DPC_STATUS_REG: DPC_CLR_PIPE_CTR");
}
if ((RSP_GPR[RSPOpC.rt].W & DPC_CLR_CMD_CTR) != 0)
{
DisplayError("RSP: DPC_STATUS_REG: DPC_CLR_CMD_CTR");
}
if ((RSP_GPR[RSPOpC.rt].W & DPC_CLR_CLOCK_CTR) != 0)
{ /* DisplayError("RSP: DPC_STATUS_REG: DPC_CLR_CLOCK_CTR"); */
}
break;
default:
DisplayError("We have not implemented RSP MT CP0 reg %s (%d)", COP0_Name(RSPOpC.rd), RSPOpC.rd);
}
}
// COP2 functions
void RSP_Cop2_MF(void)
{
int element = (RSPOpC.sa >> 1);
RSP_GPR[RSPOpC.rt].B[1] = RSP_Vect[RSPOpC.rd].B[15 - element];
RSP_GPR[RSPOpC.rt].B[0] = RSP_Vect[RSPOpC.rd].B[15 - ((element + 1) % 16)];
RSP_GPR[RSPOpC.rt].W = RSP_GPR[RSPOpC.rt].HW[0];
}
void RSP_Cop2_CF(void)
{
switch ((RSPOpC.rd & 0x03))
{
case 0: RSP_GPR[RSPOpC.rt].W = RSP_Flags[0].HW[0]; break;
case 1: RSP_GPR[RSPOpC.rt].W = RSP_Flags[1].HW[0]; break;
case 2: RSP_GPR[RSPOpC.rt].W = RSP_Flags[2].HW[0]; break;
case 3: RSP_GPR[RSPOpC.rt].W = RSP_Flags[2].HW[0]; break;
}
}
void RSP_Cop2_MT(void)
{
int element = 15 - (RSPOpC.sa >> 1);
RSP_Vect[RSPOpC.rd].B[element] = RSP_GPR[RSPOpC.rt].B[1];
if (element != 0)
{
RSP_Vect[RSPOpC.rd].B[element - 1] = RSP_GPR[RSPOpC.rt].B[0];
}
}
void RSP_Cop2_CT(void)
{
switch ((RSPOpC.rd & 0x03))
{
case 0: RSP_Flags[0].HW[0] = RSP_GPR[RSPOpC.rt].HW[0]; break;
case 1: RSP_Flags[1].HW[0] = RSP_GPR[RSPOpC.rt].HW[0]; break;
case 2: RSP_Flags[2].B[0] = RSP_GPR[RSPOpC.rt].B[0]; break;
case 3: RSP_Flags[2].B[0] = RSP_GPR[RSPOpC.rt].B[0]; break;
}
}
void RSP_COP2_VECTOR(void)
{
RSP_Vector[RSPOpC.funct]();
}
// Vector functions
void RSP_Vector_VMULF(void)
{
int el, del;
UWORD32 temp;
VECTOR result = {0};
for (el = 0; el < 8; el++)
{
del = EleSpec[RSPOpC.rs].B[el];
if (RSP_Vect[RSPOpC.rd].UHW[el] != 0x8000 || RSP_Vect[RSPOpC.rt].UHW[del] != 0x8000)
{
temp.W = ((int32_t)RSP_Vect[RSPOpC.rd].HW[el] * (int32_t)RSP_Vect[RSPOpC.rt].HW[del]) << 1;
temp.UW += 0x8000;
RSP_ACCUM[el].HW[2] = temp.HW[1];
RSP_ACCUM[el].HW[1] = temp.HW[0];
RSP_ACCUM[el].HW[3] = (RSP_ACCUM[el].HW[2] < 0) ? -1 : 0;
result.HW[el] = RSP_ACCUM[el].HW[2];
}
else
{
temp.W = 0x80000000;
RSP_ACCUM[el].UHW[3] = 0;
RSP_ACCUM[el].UHW[2] = 0x8000;
RSP_ACCUM[el].UHW[1] = 0x8000;
result.HW[el] = 0x7FFF;
}
}
RSP_Vect[RSPOpC.sa] = result;
}
void RSP_Vector_VMULU(void)
{
int el, del;
VECTOR result = {0};
for (el = 0; el < 8; el++)
{
del = EleSpec[RSPOpC.rs].B[el];
RSP_ACCUM[el].DW = (int64_t)(RSP_Vect[RSPOpC.rd].HW[el] * RSP_Vect[RSPOpC.rt].HW[del]) << 17;
RSP_ACCUM[el].DW += 0x80000000;
if (RSP_ACCUM[el].DW < 0)
{
result.HW[el] = 0;
}
else if ((int16_t)(RSP_ACCUM[el].UHW[3] ^ RSP_ACCUM[el].UHW[2]) < 0)
{
result.HW[el] = -1;
}
else
{
result.HW[el] = RSP_ACCUM[el].HW[2];
}
}
RSP_Vect[RSPOpC.sa] = result;
}
void RSP_Vector_VMUDL(void)
{
int el, del;
UWORD32 temp;
VECTOR result = {0};
for (el = 0; el < 8; el++)
{
del = EleSpec[RSPOpC.rs].B[el];
temp.UW = (uint32_t)RSP_Vect[RSPOpC.rd].UHW[el] * (uint32_t)RSP_Vect[RSPOpC.rt].UHW[del];
RSP_ACCUM[el].W[1] = 0;
RSP_ACCUM[el].HW[1] = temp.HW[1];
result.HW[el] = RSP_ACCUM[el].HW[1];
}
RSP_Vect[RSPOpC.sa] = result;
}
void RSP_Vector_VMUDM(void)
{
int el, del;
UWORD32 temp;
VECTOR result = {0};
for (el = 0; el < 8; el++)
{
del = EleSpec[RSPOpC.rs].B[el];
temp.UW = (uint32_t)((int32_t)RSP_Vect[RSPOpC.rd].HW[el]) * (uint32_t)RSP_Vect[RSPOpC.rt].UHW[del];
if (temp.W < 0)
{
RSP_ACCUM[el].HW[3] = -1;
}
else
{
RSP_ACCUM[el].HW[3] = 0;
}
RSP_ACCUM[el].HW[2] = temp.HW[1];
RSP_ACCUM[el].HW[1] = temp.HW[0];
result.HW[el] = RSP_ACCUM[el].HW[2];
}
RSP_Vect[RSPOpC.sa] = result;
}
void RSP_Vector_VMUDN(void)
{
int el, del;
UWORD32 temp;
VECTOR result = {0};
for (el = 0; el < 8; el++)
{
del = EleSpec[RSPOpC.rs].B[el];
temp.UW = (uint32_t)RSP_Vect[RSPOpC.rd].UHW[el] * (uint32_t)((int32_t)RSP_Vect[RSPOpC.rt].HW[del]);
if (temp.W < 0)
{
RSP_ACCUM[el].HW[3] = -1;
}
else
{
RSP_ACCUM[el].HW[3] = 0;
}
RSP_ACCUM[el].HW[2] = temp.HW[1];
RSP_ACCUM[el].HW[1] = temp.HW[0];
result.HW[el] = RSP_ACCUM[el].HW[1];
}
RSP_Vect[RSPOpC.sa] = result;
}
void RSP_Vector_VMUDH(void)
{
int el, del;
VECTOR result = {0};
for (el = 0; el < 8; el++)
{
del = EleSpec[RSPOpC.rs].B[el];
RSP_ACCUM[el].W[1] = (int32_t)RSP_Vect[RSPOpC.rd].HW[el] * (int32_t)RSP_Vect[RSPOpC.rt].HW[del];
RSP_ACCUM[el].HW[1] = 0;
if (RSP_ACCUM[el].HW[3] < 0)
{
if (RSP_ACCUM[el].UHW[3] != 0xFFFF)
{
result.HW[el] = 0x8000;
}
else
{
if (RSP_ACCUM[el].HW[2] >= 0)
{
result.HW[el] = 0x8000;
}
else
{
result.HW[el] = RSP_ACCUM[el].HW[2];
}
}
}
else
{
if (RSP_ACCUM[el].UHW[3] != 0)
{
result.HW[el] = 0x7FFF;
}
else
{
if (RSP_ACCUM[el].HW[2] < 0)
{
result.HW[el] = 0x7FFF;
}
else
{
result.HW[el] = RSP_ACCUM[el].HW[2];
}
}
}
}
RSP_Vect[RSPOpC.sa] = result;
}
void RSP_Vector_VMACF(void)
{
int el, del;
UWORD32 temp;
VECTOR result = {0};
for (el = 0; el < 8; el++)
{
del = EleSpec[RSPOpC.rs].B[el];
/*temp.W = (long)RSP_Vect[RSPOpC.rd].HW[el] * (long)(DWORD)RSP_Vect[RSPOpC.rt].HW[del];
RSP_ACCUM[el].UHW[3] += (WORD)(temp.W >> 31);
temp.UW = temp.UW << 1;
temp2.UW = temp.UHW[0] + RSP_ACCUM[el].UHW[1];
RSP_ACCUM[el].HW[1] = temp2.HW[0];
temp2.UW = temp.UHW[1] + RSP_ACCUM[el].UHW[2] + temp2.UHW[1];
RSP_ACCUM[el].HW[2] = temp2.HW[0];
RSP_ACCUM[el].HW[3] += temp2.HW[1];*/
temp.W = (int32_t)RSP_Vect[RSPOpC.rd].HW[el] * (int32_t)(uint32_t)RSP_Vect[RSPOpC.rt].HW[del];
RSP_ACCUM[el].DW += ((int64_t)temp.W) << 17;
if (RSP_ACCUM[el].HW[3] < 0)
{
if (RSP_ACCUM[el].UHW[3] != 0xFFFF)
{
result.HW[el] = 0x8000;
}
else
{
if (RSP_ACCUM[el].HW[2] >= 0)
{
result.HW[el] = 0x8000;
}
else
{
result.HW[el] = RSP_ACCUM[el].HW[2];
}
}
}
else
{
if (RSP_ACCUM[el].UHW[3] != 0)
{
result.HW[el] = 0x7FFF;
}
else
{
if (RSP_ACCUM[el].HW[2] < 0)
{
result.HW[el] = 0x7FFF;
}
else
{
result.HW[el] = RSP_ACCUM[el].HW[2];
}
}
}
}
RSP_Vect[RSPOpC.sa] = result;
}
void RSP_Vector_VMACU(void)
{
int el, del;
UWORD32 temp, temp2;
VECTOR result = {0};
for (el = 0; el < 8; el++)
{
del = EleSpec[RSPOpC.rs].B[el];
temp.W = (int32_t)RSP_Vect[RSPOpC.rd].HW[el] * (int32_t)(uint32_t)RSP_Vect[RSPOpC.rt].HW[del];
RSP_ACCUM[el].UHW[3] = (RSP_ACCUM[el].UHW[3] + (WORD)(temp.W >> 31)) & 0xFFFF;
temp.UW = temp.UW << 1;
temp2.UW = temp.UHW[0] + RSP_ACCUM[el].UHW[1];
RSP_ACCUM[el].HW[1] = temp2.HW[0];
temp2.UW = temp.UHW[1] + RSP_ACCUM[el].UHW[2] + temp2.UHW[1];
RSP_ACCUM[el].HW[2] = temp2.HW[0];
RSP_ACCUM[el].HW[3] += temp2.HW[1];
if (RSP_ACCUM[el].HW[3] < 0)
{
result.HW[el] = 0;
}
else
{
if (RSP_ACCUM[el].UHW[3] != 0)
{
result.UHW[el] = 0xFFFF;
}
else
{
if (RSP_ACCUM[el].HW[2] < 0)
{
result.UHW[el] = 0xFFFF;
}
else
{
result.HW[el] = RSP_ACCUM[el].HW[2];
}
}
}
}
RSP_Vect[RSPOpC.sa] = result;
}
void RSP_Vector_VMACQ(void)
{
int el, del;
UWORD32 temp;
VECTOR result = {0};
for (el = 0; el < 8; el++)
{
del = EleSpec[RSPOpC.rs].B[el];
if (RSP_ACCUM[el].W[1] > 0x20)
{
if ((RSP_ACCUM[el].W[1] & 0x20) == 0)
{
RSP_ACCUM[el].W[1] -= 0x20;
}
}
else if (RSP_ACCUM[el].W[1] < -0x20)
{
if ((RSP_ACCUM[el].W[1] & 0x20) == 0)
{
RSP_ACCUM[el].W[1] += 0x20;
}
}
temp.W = RSP_ACCUM[el].W[1] >> 1;
if (temp.HW[1] < 0)
{
if (temp.UHW[1] != 0xFFFF)
{
result.HW[el] = (WORD)0x8000;
}
else
{
if (temp.HW[0] >= 0)
{
result.HW[el] = (WORD)0x8000;
}
else
{
result.HW[el] = (WORD)(temp.UW & 0xFFF0);
}
}
}
else
{
if (temp.UHW[1] != 0)
{
result.HW[el] = 0x7FF0;
}
else
{
if (temp.HW[0] < 0)
{
result.HW[el] = 0x7FF0;
}
else
{
result.HW[el] = (WORD)(temp.UW & 0xFFF0);
}
}
}
}
RSP_Vect[RSPOpC.sa] = result;
}
void RSP_Vector_VMADL(void)
{
int el, del;
UWORD32 temp, temp2;
VECTOR result = {0};
for (el = 0; el < 8; el++)
{
del = EleSpec[RSPOpC.rs].B[el];
temp.UW = (uint32_t)RSP_Vect[RSPOpC.rd].UHW[el] * (uint32_t)RSP_Vect[RSPOpC.rt].UHW[del];
temp2.UW = temp.UHW[1] + RSP_ACCUM[el].UHW[1];
RSP_ACCUM[el].HW[1] = temp2.HW[0];
temp2.UW = RSP_ACCUM[el].UHW[2] + temp2.UHW[1];
RSP_ACCUM[el].HW[2] = temp2.HW[0];
RSP_ACCUM[el].HW[3] += temp2.HW[1];
if (RSP_ACCUM[el].HW[3] < 0)
{
if (RSP_ACCUM[el].UHW[3] != 0xFFFF)
{
result.HW[el] = 0;
}
else
{
if (RSP_ACCUM[el].HW[2] >= 0)
{
result.HW[el] = 0;
}
else
{
result.HW[el] = RSP_ACCUM[el].HW[1];
}
}
}
else
{
if (RSP_ACCUM[el].UHW[3] != 0)
{
result.UHW[el] = 0xFFFF;
}
else
{
if (RSP_ACCUM[el].HW[2] < 0)
{
result.UHW[el] = 0xFFFF;