/*
 * RSP Compiler plug in for Project 64 (A Nintendo 64 emulator).
 *
 * (c) Copyright 2001 jabo (jabo@emulation64.com) and
 * zilmar (zilmar@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 <windows.h>
#include <stdio.h>
#include <math.h>
#include <float.h>
#include "RSP.h"
#include "CPU.h"
#include "RSP Command.h"
#include "RSP Registers.h"
#include "Interpreter CPU.h"
#include "memory.h"
#include "dma.h"
#include "log.h"
#include "x86.h"

extern UWORD32 Recp, RecpResult, SQroot, SQrootResult;
extern BOOL 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;
	if (RSP_GPR[RSPOpC.rs].W == RSP_GPR[RSPOpC.rt].W) {
		RSP_JumpTo = ( *PrgCount + ((short)RSPOpC.offset << 2) + 4 ) & 0xFFC;
	} else  {
		RSP_JumpTo = ( *PrgCount + 8 ) & 0xFFC;
	}
}

void RSP_Opcode_BNE ( void ) {
	RSP_NextInstruction = DELAY_SLOT;
	if (RSP_GPR[RSPOpC.rs].W != RSP_GPR[RSPOpC.rt].W) {
		RSP_JumpTo = ( *PrgCount + ((short)RSPOpC.offset << 2) + 4 ) & 0xFFC;
	} else  {
		RSP_JumpTo = ( *PrgCount + 8 ) & 0xFFC;
	}
}

void RSP_Opcode_BLEZ ( void ) {
	RSP_NextInstruction = DELAY_SLOT;
	if (RSP_GPR[RSPOpC.rs].W <= 0) {
		RSP_JumpTo = ( *PrgCount + ((short)RSPOpC.offset << 2) + 4 ) & 0xFFC;
	} else  {
		RSP_JumpTo = ( *PrgCount + 8 ) & 0xFFC;
	}
}

void RSP_Opcode_BGTZ ( void ) {
	RSP_NextInstruction = DELAY_SLOT;
	if (RSP_GPR[RSPOpC.rs].W > 0) {
		RSP_JumpTo = ( *PrgCount + ((short)RSPOpC.offset << 2) + 4 ) & 0xFFC;
	} else  {
		RSP_JumpTo = ( *PrgCount + 8 ) & 0xFFC;
	}
}

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) {
	if (RSP_GPR[RSPOpC.rs].W < (int16_t)RSPOpC.immediate) {
		RSP_GPR[RSPOpC.rt].W = 1;
	} else {
		RSP_GPR[RSPOpC.rt].W = 0;
	}
}

void RSP_Opcode_SLTIU (void) {
	if (RSP_GPR[RSPOpC.rs].UW < (uint32_t)(int16_t)RSPOpC.immediate) {
		RSP_GPR[RSPOpC.rt].W = 1;
	} else {
		RSP_GPR[RSPOpC.rt].W = 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) {
	if (RSP_GPR[RSPOpC.rs].W < RSP_GPR[RSPOpC.rt].W) {
		RSP_GPR[RSPOpC.rd].UW = 1;
	} else {
		RSP_GPR[RSPOpC.rd].UW = 0;
	}
}

void RSP_Special_SLTU (void) {
	if (RSP_GPR[RSPOpC.rs].UW < RSP_GPR[RSPOpC.rt].UW) {
		RSP_GPR[RSPOpC.rd].UW = 1;
	} else {
		RSP_GPR[RSPOpC.rd].UW = 0;
	}
}

/********************** R4300i OpCodes: RegImm **********************/
void RSP_Opcode_BLTZ ( void ) {
	RSP_NextInstruction = DELAY_SLOT;
	if (RSP_GPR[RSPOpC.rs].W < 0) {
		RSP_JumpTo = ( *PrgCount + ((short)RSPOpC.offset << 2) + 4 ) & 0xFFC;
	} else  {
		RSP_JumpTo = ( *PrgCount + 8 ) & 0xFFC;
	}
}

void RSP_Opcode_BGEZ ( void ) {
	RSP_NextInstruction = DELAY_SLOT;
	if (RSP_GPR[RSPOpC.rs].W >= 0) {
		RSP_JumpTo = ( *PrgCount + ((short)RSPOpC.offset << 2) + 4 ) & 0xFFC;
	} else  {
		RSP_JumpTo = ( *PrgCount + 8 ) & 0xFFC;
	}
}

void RSP_Opcode_BLTZAL ( void ) {
	RSP_NextInstruction = DELAY_SLOT;
	RSP_GPR[31].UW = ( *PrgCount + 8 ) & 0xFFC;
	if (RSP_GPR[RSPOpC.rs].W < 0) {
		RSP_JumpTo = ( *PrgCount + ((short)RSPOpC.offset << 2) + 4 ) & 0xFFC;
	} else  {
		RSP_JumpTo = ( *PrgCount + 8 ) & 0xFFC;
	}
}

void RSP_Opcode_BGEZAL ( void ) {
	RSP_NextInstruction = DELAY_SLOT;
	RSP_GPR[31].UW = ( *PrgCount + 8 ) & 0xFFC;
	if (RSP_GPR[RSPOpC.rs].W >= 0) {
		RSP_JumpTo = ( *PrgCount + ((short)RSPOpC.offset << 2) + 4 ) & 0xFFC;
	} else  {
		RSP_JumpTo = ( *PrgCount + 8 ) & 0xFFC;
	}
}

/************************** 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 (RSP_MfStatusCount > 10)
		{
			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)
		{
			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("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("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 ]();
}

/************************** Vect 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];
			if ( RSP_ACCUM[el].HW[2] < 0 ) {
				RSP_ACCUM[el].HW[3] = -1;
			} else {
				RSP_ACCUM[el].HW[3] = 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] = (WORD)0x8000;
			} else {
				if (RSP_ACCUM[el].HW[2] >= 0) {
					result.HW[el] = (WORD)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] = (WORD)0x8000;
			} else {
				if (RSP_ACCUM[el].HW[2] >= 0) {
					result.HW[el] = (WORD)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; 
				} else {
					result.HW[el] = RSP_ACCUM[el].HW[1];
				}
			}
		}
	}
	RSP_Vect[RSPOpC.sa] = result;
}

void RSP_Vector_VMADM (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)((int32_t)RSP_Vect[RSPOpC.rd].HW[el]) * (uint32_t)RSP_Vect[RSPOpC.rt].UHW[del];
		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 (temp.W < 0) { 
			RSP_ACCUM[el].HW[3] -= 1; 
		}
		if (RSP_ACCUM[el].HW[3] < 0) {
			if (RSP_ACCUM[el].UHW[3] != 0xFFFF) { 
				result.HW[el] = (WORD)0x8000;
			} else {
				if (RSP_ACCUM[el].HW[2] >= 0) {
					result.HW[el] = (WORD)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];
				}
			}
		}
		//result.HW[el] = RSP_ACCUM[el].HW[2];
	}
	RSP_Vect[RSPOpC.sa] = result;
}

void RSP_Vector_VMADN (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)((int32_t)RSP_Vect[RSPOpC.rt].HW[del]);
		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 (temp.W < 0) { 
			RSP_ACCUM[el].HW[3] -= 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;
				} else {
					result.HW[el] = RSP_ACCUM[el].HW[1];
				}
			}
		}
	}
	RSP_Vect[RSPOpC.sa] = result;
}

void RSP_Vector_VMADH (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];
		if (RSP_ACCUM[el].HW[3] < 0) {
			if (RSP_ACCUM[el].UHW[3] != 0xFFFF) { 
				result.HW[el] = (WORD)0x8000;
			} else {
				if (RSP_ACCUM[el].HW[2] >= 0) {
					result.HW[el] = (WORD)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_VADD (void) {
	int el, del;
	UWORD32 temp;
	VECTOR result = {0};
	
	for ( el = 0; el < 8; el++ ) {
		del = EleSpec[RSPOpC.rs].B[el];
        
		temp.W = (int)RSP_Vect[RSPOpC.rd].HW[el] + (int)RSP_Vect[RSPOpC.rt].HW[del] +
			 ((RSP_Flags[0].UW >> (7 - el)) & 0x1);
		RSP_ACCUM[el].HW[1] = temp.HW[0];
		if ((temp.HW[0] & 0x8000) == 0) {
			if (temp.HW[1] != 0) {
				result.HW[el] = (WORD)0x8000;
			} else {
				result.HW[el] = temp.HW[0];
			}
		} else {
			if (temp.HW[1] != -1 ) {
				result.HW[el] = 0x7FFF;
			} else {
				result.HW[el] = temp.HW[0];
			}
		}
	}
	RSP_Vect[RSPOpC.sa] = result;
	RSP_Flags[0].UW = 0;
}

void RSP_Vector_VSUB (void) {
	int el, del;
	UWORD32 temp;
	VECTOR result = {0};
	
	for ( el = 0; el < 8; el++ ) {
		del = EleSpec[RSPOpC.rs].B[el];
        
		temp.W = (int)RSP_Vect[RSPOpC.rd].HW[el] - (int)RSP_Vect[RSPOpC.rt].HW[del] -
			 ((RSP_Flags[0].UW >> (7 - el)) & 0x1);
		RSP_ACCUM[el].HW[1] = temp.HW[0];
		if ((temp.HW[0] & 0x8000) == 0) {
			if (temp.HW[1] != 0) {
				result.HW[el] = (WORD)0x8000;
			} else {
				result.HW[el] = temp.HW[0];
			}
		} else {
			if (temp.HW[1] != -1 ) {
				result.HW[el] = 0x7FFF;
			} else {
				result.HW[el] = temp.HW[0];
			}
		}
	}
	RSP_Flags[0].UW = 0;
	RSP_Vect[RSPOpC.sa] = result;
}

void RSP_Vector_VABS (void) {
	int el, del;
	VECTOR result = {0};

	for ( el = 0; el < 8; el++ ) {
		del = EleSpec[RSPOpC.rs].B[el];

		if (RSP_Vect[RSPOpC.rd].HW[el] > 0) {
			result.HW[el] = RSP_Vect[RSPOpC.rt].UHW[del];
		} else if (RSP_Vect[RSPOpC.rd].HW[el] < 0) {
			if (RSP_Vect[RSPOpC.rt].UHW[EleSpec[RSPOpC.rs].B[el]] == 0x8000) {
				result.HW[el] = 0x7FFF;
			} else {
				result.HW[el] = RSP_Vect[RSPOpC.rt].HW[del] * -1;
			}
		} else {
			result.HW[el] = 0;
		}
		RSP_ACCUM[el].HW[1] = result.HW[el];
	}
	RSP_Vect[RSPOpC.sa] = result;
}

void RSP_Vector_VADDC (void) {
	int el, del;
	UWORD32 temp;
	VECTOR result = {0};
	
	RSP_Flags[0].UW = 0;
	for ( el = 0; el < 8; el++ ) {
		del = EleSpec[RSPOpC.rs].B[el];
        
		temp.UW = (int)RSP_Vect[RSPOpC.rd].UHW[el] + (int)RSP_Vect[RSPOpC.rt].UHW[del];
		RSP_ACCUM[el].HW[1] = temp.HW[0];
		result.HW[el] = temp.HW[0];
		if (temp.UW & 0xffff0000) {
			RSP_Flags[0].UW |= ( 1 << (7 - el) );
		}
	}
	RSP_Vect[RSPOpC.sa] = result;
}

void RSP_Vector_VSUBC (void) {
	int el, del;
	UWORD32 temp;
	VECTOR result = {0};
	
	RSP_Flags[0].UW = 0x0;
	for ( el = 0; el < 8; el++ ) {
		del = EleSpec[RSPOpC.rs].B[el];
        
		temp.UW = (int)RSP_Vect[RSPOpC.rd].UHW[el] - (int)RSP_Vect[RSPOpC.rt].UHW[del];
		RSP_ACCUM[el].HW[1] = temp.HW[0];
		result.HW[el] = temp.HW[0];
		if (temp.HW[0] != 0) {
			RSP_Flags[0].UW |= ( 0x1 << (15 - el) );
		}
		if (temp.UW & 0xffff0000) {
			RSP_Flags[0].UW |= ( 0x1 << (7 - el) );
		}
	}
	RSP_Vect[RSPOpC.sa] = result;
}

void RSP_Vector_VSAW (void) {
	VECTOR result;

	switch ((RSPOpC.rs & 0xF)) {
	case 8:
		result.HW[0] = RSP_ACCUM[0].HW[3];
		result.HW[1] = RSP_ACCUM[1].HW[3];
		result.HW[2] = RSP_ACCUM[2].HW[3];
		result.HW[3] = RSP_ACCUM[3].HW[3];
		result.HW[4] = RSP_ACCUM[4].HW[3];
		result.HW[5] = RSP_ACCUM[5].HW[3];
		result.HW[6] = RSP_ACCUM[6].HW[3];
		result.HW[7] = RSP_ACCUM[7].HW[3];
		break;
	case 9:
		result.HW[0] = RSP_ACCUM[0].HW[2];
		result.HW[1] = RSP_ACCUM[1].HW[2];
		result.HW[2] = RSP_ACCUM[2].HW[2];
		result.HW[3] = RSP_ACCUM[3].HW[2];
		result.HW[4] = RSP_ACCUM[4].HW[2];
		result.HW[5] = RSP_ACCUM[5].HW[2];
		result.HW[6] = RSP_ACCUM[6].HW[2];
		result.HW[7] = RSP_ACCUM[7].HW[2];
		break;
	case 10:
		result.HW[0] = RSP_ACCUM[0].HW[1];
		result.HW[1] = RSP_ACCUM[1].HW[1];
		result.HW[2] = RSP_ACCUM[2].HW[1];
		result.HW[3] = RSP_ACCUM[3].HW[1];
		result.HW[4] = RSP_ACCUM[4].HW[1];
		result.HW[5] = RSP_ACCUM[5].HW[1];
		result.HW[6] = RSP_ACCUM[6].HW[1];
		result.HW[7] = RSP_ACCUM[7].HW[1];
		break;
	default:
		result.DW[1] = 0;
		result.DW[0] = 0;
	}
	RSP_Vect[RSPOpC.sa] = result;
}

void RSP_Vector_VLT (void) {
	int el, del;
	VECTOR result = {0};
	
	RSP_Flags[1].UW = 0;
	for ( el = 0; el < 8; el++ ) {
		del = EleSpec[RSPOpC.rs].B[el];

		if (RSP_Vect[RSPOpC.rd].HW[el] < RSP_Vect[RSPOpC.rt].HW[del]) {
			result.HW[el] = RSP_Vect[RSPOpC.rd].UHW[el];
			RSP_Flags[1].UW |= ( 1 << (7 - el) );
		} else if (RSP_Vect[RSPOpC.rd].HW[el] != RSP_Vect[RSPOpC.rt].HW[del]) {
			result.HW[el] = RSP_Vect[RSPOpC.rt].UHW[del];
			RSP_Flags[1].UW &= ~( 1 << (7 - el) );
		} else {
			result.HW[el] = RSP_Vect[RSPOpC.rd].UHW[el];
			if ( (RSP_Flags[0].UW & (0x101 << (7 - el))) == (WORD)(0x101 << (7 - el))) {
				RSP_Flags[1].UW |= ( 1 << (7 - el) );
			} else {	
				RSP_Flags[1].UW &= ~( 1 << (7 - el) );
			}
		}
		RSP_ACCUM[el].HW[1] = result.HW[el];			
	}
	RSP_Flags[0].UW = 0;
	RSP_Vect[RSPOpC.sa] = result;
}

void RSP_Vector_VEQ (void) {
	int el, del;
	VECTOR result = {0};
	
	RSP_Flags[1].UW = 0;
	for ( el = 0; el < 8; el++ ) {
		del = EleSpec[RSPOpC.rs].B[el];

		if (RSP_Vect[RSPOpC.rd].UHW[el] == RSP_Vect[RSPOpC.rt].UHW[del]) {
			if ( (RSP_Flags[0].UW & (1 << (15 - el))) == 0) {
				RSP_Flags[1].UW |= ( 1 << (7 - el));
			}
		}
        result.HW[el] = RSP_Vect[RSPOpC.rt].UHW[del];
		RSP_ACCUM[el].HW[1] = RSP_Vect[RSPOpC.rt].UHW[del];			
	}
	RSP_Flags[0].UW = 0;
	RSP_Vect[RSPOpC.sa] = result;
}

void RSP_Vector_VNE (void) {
	int el, del;
	VECTOR result = {0};
	
	RSP_Flags[1].UW = 0;
	for ( el = 0; el < 8; el++ ) {
		del = EleSpec[RSPOpC.rs].B[el];

		if (RSP_Vect[RSPOpC.rd].UHW[el] != RSP_Vect[RSPOpC.rt].UHW[del]) {
			RSP_Flags[1].UW |= ( 1 << (7 - el) );
		} else {
			if ( (RSP_Flags[0].UW & (1 << (15 - el))) != 0) {
				RSP_Flags[1].UW |= ( 1 << (7 - el) );
			}
		}
        result.HW[el] = RSP_Vect[RSPOpC.rd].UHW[el];
		RSP_ACCUM[el].HW[1] = RSP_Vect[RSPOpC.rd].UHW[el];			
	}
	RSP_Flags[0].UW = 0;
	RSP_Vect[RSPOpC.sa] = result;
}

void RSP_Vector_VGE (void) {
	int el, del;
	VECTOR result = {0};
	
	RSP_Flags[1].UW = 0;
	for ( el = 0; el < 8; el++ ) {
		del = EleSpec[RSPOpC.rs].B[el];

		if (RSP_Vect[RSPOpC.rd].HW[el] == RSP_Vect[RSPOpC.rt].HW[del]) {
			result.HW[el] = RSP_Vect[RSPOpC.rd].UHW[el];
			if ( (RSP_Flags[0].UW & (0x101 << (7 - el))) == (WORD)(0x101 << (7 - el))) {
				RSP_Flags[1].UW &= ~( 1 << (7 - el) );
			} else {	
				RSP_Flags[1].UW |= ( 1 << (7 - el) );
			}
		} else if (RSP_Vect[RSPOpC.rd].HW[el] > RSP_Vect[RSPOpC.rt].HW[del]) {
			result.HW[el] = RSP_Vect[RSPOpC.rd].UHW[el];
			RSP_Flags[1].UW |= ( 1 << (7 - el) );
		} else {
			result.HW[el] = RSP_Vect[RSPOpC.rt].UHW[del];
			RSP_Flags[1].UW &= ~( 1 << (7 - el) );
		}
		RSP_ACCUM[el].HW[1] = result.HW[el];			
	}
	RSP_Flags[0].UW = 0;
	RSP_Vect[RSPOpC.sa] = result;
}

void RSP_Vector_VCL (void) {
	int el, del;
	VECTOR result = {0};

	for (el = 0;el < 8; el++) {
		del = EleSpec[RSPOpC.rs].B[el];

		if ((RSP_Flags[0].UW & ( 1 << (7 - el))) != 0 ) {
			if ((RSP_Flags[0].UW & ( 1 << (15 - el))) != 0 ) {
				if ((RSP_Flags[1].UW & ( 1 << (7 - el))) != 0 ) {
					RSP_ACCUM[el].HW[1] = -RSP_Vect[RSPOpC.rt].UHW[del];
				} else {
					RSP_ACCUM[el].HW[1] = RSP_Vect[RSPOpC.rd].HW[el];
				}
			} else {
				if ((RSP_Flags[2].UW & ( 1 << (7 - el)))) {
					if ( RSP_Vect[RSPOpC.rd].UHW[el] + RSP_Vect[RSPOpC.rt].UHW[del] > 0x10000) {
						RSP_ACCUM[el].HW[1] = RSP_Vect[RSPOpC.rd].HW[el];
						RSP_Flags[1].UW &= ~(1 << (7 - el));
					} else {
						RSP_ACCUM[el].HW[1] = -RSP_Vect[RSPOpC.rt].UHW[del];
						RSP_Flags[1].UW |= (1 << (7 - el));
					}
				} else {
					if (RSP_Vect[RSPOpC.rt].UHW[del] + RSP_Vect[RSPOpC.rd].UHW[el] != 0) {
						RSP_ACCUM[el].HW[1] = RSP_Vect[RSPOpC.rd].HW[el];
						RSP_Flags[1].UW &= ~(1 << (7 - el));
					} else {
						RSP_ACCUM[el].HW[1] = -RSP_Vect[RSPOpC.rt].UHW[del];
						RSP_Flags[1].UW |= (1 << (7 - el));
					}
				}
			}
		} else {
			if ((RSP_Flags[0].UW & ( 1 << (15 - el))) != 0 ) {
				if ((RSP_Flags[1].UW & ( 1 << (15 - el))) != 0 ) {
					RSP_ACCUM[el].HW[1] = RSP_Vect[RSPOpC.rt].HW[del];
				} else {
					RSP_ACCUM[el].HW[1] = RSP_Vect[RSPOpC.rd].HW[el];
				}
			} else {			
				if ( RSP_Vect[RSPOpC.rd].UHW[el] - RSP_Vect[RSPOpC.rt].UHW[del] >= 0) {
					RSP_ACCUM[el].HW[1] = RSP_Vect[RSPOpC.rt].UHW[del];
					RSP_Flags[1].UW |= (1 << (15 - el));
				} else {
					RSP_ACCUM[el].HW[1] = RSP_Vect[RSPOpC.rd].HW[el];
					RSP_Flags[1].UW &= ~(1 << (15 - el));
				}				
			}
		}
		result.HW[el] = RSP_ACCUM[el].HW[1];
	}
	RSP_Flags[0].UW = 0;
	RSP_Flags[2].UW = 0;
	RSP_Vect[RSPOpC.sa] = result;
}

void RSP_Vector_VCH (void) {
	int el, del;
	VECTOR result = {0};
	
	RSP_Flags[0].UW = 0;
	RSP_Flags[1].UW = 0;
	RSP_Flags[2].UW = 0;

	for (el = 0;el < 8; el++) {
		del = EleSpec[RSPOpC.rs].B[el];
						
		if ((RSP_Vect[RSPOpC.rd].HW[el] ^ RSP_Vect[RSPOpC.rt].HW[del]) < 0) {
			RSP_Flags[0].UW |= ( 1 << (7 - el));
			if (RSP_Vect[RSPOpC.rt].HW[del] < 0) {
				RSP_Flags[1].UW |= ( 1 << (15 - el));

			}
			if (RSP_Vect[RSPOpC.rd].HW[el] + RSP_Vect[RSPOpC.rt].HW[del] <= 0) {
				if (RSP_Vect[RSPOpC.rd].HW[el] + RSP_Vect[RSPOpC.rt].HW[del] == -1) {
					RSP_Flags[2].UW |= ( 1 << (7 - el));
				}
				RSP_Flags[1].UW |= ( 1 << (7 - el));
				RSP_ACCUM[el].HW[1] = -RSP_Vect[RSPOpC.rt].UHW[del];
			} else {
				RSP_ACCUM[el].HW[1] = RSP_Vect[RSPOpC.rd].HW[el];
			}
			if (RSP_Vect[RSPOpC.rd].HW[el] + RSP_Vect[RSPOpC.rt].HW[del] != 0) {
				if (RSP_Vect[RSPOpC.rd].HW[el] != ~RSP_Vect[RSPOpC.rt].HW[del]) {
					RSP_Flags[0].UW |= ( 1 << (15 - el));
				}
			}
		} else {
			if (RSP_Vect[RSPOpC.rt].HW[del] < 0) {
				RSP_Flags[1].UW |= ( 1 << (7 - el));
			}
			if (RSP_Vect[RSPOpC.rd].HW[el] - RSP_Vect[RSPOpC.rt].HW[del] >= 0) {
				RSP_Flags[1].UW |= ( 1 << (15 - el));
				RSP_ACCUM[el].HW[1] = RSP_Vect[RSPOpC.rt].UHW[del];
			} else {
				RSP_ACCUM[el].HW[1] = RSP_Vect[RSPOpC.rd].HW[el];
			}
			if (RSP_Vect[RSPOpC.rd].HW[el] - RSP_Vect[RSPOpC.rt].HW[del] != 0) {
				if (RSP_Vect[RSPOpC.rd].HW[el] != ~RSP_Vect[RSPOpC.rt].HW[del]) {
					RSP_Flags[0].UW |= ( 1 << (15 - el));
				}
			}
		}
		result.HW[el] = RSP_ACCUM[el].HW[1];
	}
	RSP_Vect[RSPOpC.sa] = result;
}

void RSP_Vector_VCR (void) {
	int el, del;
	VECTOR result = {0};

	RSP_Flags[0].UW = 0;
	RSP_Flags[1].UW = 0;
	RSP_Flags[2].UW = 0;
	for (el = 0;el < 8; el++) {
		del = EleSpec[RSPOpC.rs].B[el];
		
		if ((RSP_Vect[RSPOpC.rd].HW[el] ^ RSP_Vect[RSPOpC.rt].HW[del]) < 0) {
			if (RSP_Vect[RSPOpC.rt].HW[del] < 0) {
				RSP_Flags[1].UW |= ( 1 << (15 - el));
			}
			if (RSP_Vect[RSPOpC.rd].HW[el] + RSP_Vect[RSPOpC.rt].HW[del] <= 0) {
				RSP_ACCUM[el].HW[1] = ~RSP_Vect[RSPOpC.rt].UHW[del];
				RSP_Flags[1].UW |= ( 1 << (7 - el));
			} else {
				RSP_ACCUM[el].HW[1] = RSP_Vect[RSPOpC.rd].HW[el];
			}
		} else {
			if (RSP_Vect[RSPOpC.rt].HW[del] < 0) {
				RSP_Flags[1].UW |= ( 1 << (7 - el));
			}
			if (RSP_Vect[RSPOpC.rd].HW[el] - RSP_Vect[RSPOpC.rt].HW[del] >= 0) {
				RSP_ACCUM[el].HW[1] = RSP_Vect[RSPOpC.rt].UHW[del];
				RSP_Flags[1].UW |= ( 1 << (15 - el));
			} else {
				RSP_ACCUM[el].HW[1] = RSP_Vect[RSPOpC.rd].HW[el];
			}
		}
		result.HW[el] = RSP_ACCUM[el].HW[1];
	}
	RSP_Vect[RSPOpC.sa] = result;
}

void RSP_Vector_VMRG (void) {
	int el, del;
	VECTOR result = {0};

	for ( el = 0; el < 8; el ++ ){
		del = EleSpec[RSPOpC.rs].B[el];

		if ((RSP_Flags[1].UW & ( 1 << (7 - el))) != 0) {
			result.HW[el] = RSP_Vect[RSPOpC.rd].HW[el];
		} else {
			result.HW[el] = RSP_Vect[RSPOpC.rt].HW[del];
		}
		RSP_ACCUM[el].HW[1] = result.HW[el]; //suggested by angrylion
	}
	RSP_Vect[RSPOpC.sa] = result;
}

void RSP_Vector_VAND (void) {
	int el, del;
	VECTOR result = {0};

	for ( el = 0; el < 8; el ++ ){
		del = EleSpec[RSPOpC.rs].B[el];
		result.HW[el] = RSP_Vect[RSPOpC.rd].HW[el] & RSP_Vect[RSPOpC.rt].HW[del];
		RSP_ACCUM[el].HW[1] = result.HW[el];
	}	
	RSP_Vect[RSPOpC.sa] = result;
}

void RSP_Vector_VNAND (void) {
	int el, del;
	VECTOR result = {0};

	for ( el = 0; el < 8; el ++ ){
		del = EleSpec[RSPOpC.rs].B[el];
		result.HW[el] = ~(RSP_Vect[RSPOpC.rd].HW[el] & RSP_Vect[RSPOpC.rt].HW[del]);
		RSP_ACCUM[el].HW[1] = result.HW[el];
	}	
	RSP_Vect[RSPOpC.sa] = result;
}

void RSP_Vector_VOR (void) {
	int el, del;
	VECTOR result = {0};

	for ( el = 0; el < 8; el ++ ){
		del = EleSpec[RSPOpC.rs].B[el];
		result.HW[el] = RSP_Vect[RSPOpC.rd].HW[el] | RSP_Vect[RSPOpC.rt].HW[del];
		RSP_ACCUM[el].HW[1] = result.HW[el];
	}	
	RSP_Vect[RSPOpC.sa] = result;
}

void RSP_Vector_VNOR (void) {
	int el, del;
	VECTOR result = {0};

	for ( el = 0; el < 8; el ++ ){
		del = EleSpec[RSPOpC.rs].B[el];
		result.HW[el] = ~(RSP_Vect[RSPOpC.rd].HW[el] | RSP_Vect[RSPOpC.rt].HW[del]);
		RSP_ACCUM[el].HW[1] = result.HW[el];
	}	
	RSP_Vect[RSPOpC.sa] = result;
}

void RSP_Vector_VXOR (void) {
	int el, del;
	VECTOR result = {0};

	for ( el = 0; el < 8; el ++ ){
		del = EleSpec[RSPOpC.rs].B[el];
		result.HW[el] = RSP_Vect[RSPOpC.rd].HW[el] ^ RSP_Vect[RSPOpC.rt].HW[del];
		RSP_ACCUM[el].HW[1] = result.HW[el];
	}	
	RSP_Vect[RSPOpC.sa] = result;
}

void RSP_Vector_VNXOR (void) {
	int el, del;
	VECTOR result = {0};

	for ( el = 0; el < 8; el ++ ){
		del = EleSpec[RSPOpC.rs].B[el];
		result.HW[el] = ~(RSP_Vect[RSPOpC.rd].HW[el] ^ RSP_Vect[RSPOpC.rt].HW[del]);
		RSP_ACCUM[el].HW[1] = result.HW[el];
	}	
	RSP_Vect[RSPOpC.sa] = result;
}

void RSP_Vector_VRCP (void) {
	int count, neg;

	RecpResult.W = RSP_Vect[RSPOpC.rt].HW[EleSpec[RSPOpC.rs].B[(RSPOpC.rd & 0x7)]];
	if (RecpResult.UW == 0) {
		RecpResult.UW = 0x7FFFFFFF;
	} else {
		if (RecpResult.W < 0) {
			neg = TRUE;
			RecpResult.W = ~RecpResult.W + 1;
		} else {
			neg = FALSE;
		}
		for (count = 15; count > 0; count--) {
			if ((RecpResult.W & (1 << count))) {
				RecpResult.W &= (0xFFC0 >> (15 - count) );
				count = 0;
			}
		}
		{
			DWORD RoundMethod = _RC_CHOP;
			DWORD OldModel = _controlfp(RoundMethod,  _MCW_RC);
			RecpResult.W = (long)((0x7FFFFFFF / (double)RecpResult.W));
			OldModel = _controlfp(OldModel,  _MCW_RC);
		}
		for (count = 31; count > 0; count--) {
			if ((RecpResult.W & (1 << count))) {
				RecpResult.W &= (0xFFFF8000 >> (31 - count) );
				count = 0;
			}
		}		
		if (neg == TRUE) {
			RecpResult.W = ~RecpResult.W;
		}
	}
	for ( count = 0; count < 8; count++ ) {
		RSP_ACCUM[count].HW[1] = RSP_Vect[RSPOpC.rt].UHW[EleSpec[RSPOpC.rs].B[count]];
	}
	RSP_Vect[RSPOpC.sa].HW[7 - (RSPOpC.rd & 0x7)] = RecpResult.UHW[0];
}

void RSP_Vector_VRCPL (void) {
	int count, neg;
	
	RecpResult.UW = RSP_Vect[RSPOpC.rt].UHW[EleSpec[RSPOpC.rs].B[(RSPOpC.rd & 0x7)]] | Recp.W;
	if (RecpResult.UW == 0) {
		RecpResult.UW = 0x7FFFFFFF;
	} else {
		if (RecpResult.W < 0) {
			neg = TRUE;
			if (RecpResult.UHW[1] == 0xFFFF && RecpResult.HW[0] < 0) {
				RecpResult.W = ~RecpResult.W + 1;
			} else {
				RecpResult.W = ~RecpResult.W;
			}
		} else {
			neg = FALSE;
		}
		for (count = 31; count > 0; count--) {
			if ((RecpResult.W & (1 << count))) {
				RecpResult.W &= (0xFFC00000 >> (31 - count) );
				count = 0;
			}
		}	
		{
			DWORD OldModel = _controlfp(_RC_CHOP,  _MCW_RC);
			//RecpResult.W = 0x7FFFFFFF / RecpResult.W;
			RecpResult.W = (long)((0x7FFFFFFF / (double)RecpResult.W));
			OldModel = _controlfp(OldModel,  _MCW_RC);
		}
		for (count = 31; count > 0; count--) {
			if ((RecpResult.W & (1 << count))) {
				RecpResult.W &= (0xFFFF8000 >> (31 - count) );
				count = 0;
			}
		}		
		if (neg == TRUE) {
			RecpResult.W = ~RecpResult.W;
		}
	}
	for ( count = 0; count < 8; count++ ) {
		RSP_ACCUM[count].HW[1] = RSP_Vect[RSPOpC.rt].UHW[EleSpec[RSPOpC.rs].B[count]];
	}
	RSP_Vect[RSPOpC.sa].HW[7 - (RSPOpC.rd & 0x7)] = RecpResult.UHW[0];
}

void RSP_Vector_VRCPH (void) {
	int count;

	Recp.UHW[1] = RSP_Vect[RSPOpC.rt].UHW[EleSpec[RSPOpC.rs].B[(RSPOpC.rd & 0x7)]];
	for ( count = 0; count < 8; count++ ) {
		RSP_ACCUM[count].HW[1] = RSP_Vect[RSPOpC.rt].UHW[EleSpec[RSPOpC.rs].B[count]];
	}
	RSP_Vect[RSPOpC.sa].UHW[7 - (RSPOpC.rd & 0x7)] = RecpResult.UHW[1];
}

void RSP_Vector_VMOV (void) {
	int count;
	for ( count = 0; count < 8; count++ ) {
		RSP_ACCUM[count].HW[1] = RSP_Vect[RSPOpC.rt].UHW[EleSpec[RSPOpC.rs].B[count]];
	}
	
	RSP_Vect[RSPOpC.sa].UHW[7 - (RSPOpC.rd & 0x7)] =
		RSP_Vect[RSPOpC.rt].UHW[EleSpec[RSPOpC.rs].B[(RSPOpC.rd & 0x7)]];
}

void RSP_Vector_VRSQ (void) {
	int count, neg;

	SQrootResult.W = RSP_Vect[RSPOpC.rt].HW[EleSpec[RSPOpC.rs].B[(RSPOpC.rd & 0x7)]];
	if (SQrootResult.UW == 0) {
		SQrootResult.UW = 0x7FFFFFFF;
	} else if (SQrootResult.UW == 0xFFFF8000) {
		SQrootResult.UW = 0xFFFF0000;
	} else {
		if (SQrootResult.W < 0) {
			neg = TRUE;
			SQrootResult.W = ~SQrootResult.W + 1;
		} else {
			neg = FALSE;
		}
		for (count = 15; count > 0; count--) {
			if ((SQrootResult.W & (1 << count))) {
				SQrootResult.W &= (0xFF80 >> (15 - count) );
				count = 0;
			}
		}	
		{
			DWORD RoundMethod = _RC_CHOP;
			DWORD OldModel = _controlfp(RoundMethod,  _MCW_RC);
			SQrootResult.W = (long)(0x7FFFFFFF / sqrt(SQrootResult.W));
			OldModel = _controlfp(OldModel,  _MCW_RC);
		}
		for (count = 31; count > 0; count--) {
			if ((SQrootResult.W & (1 << count))) {
				SQrootResult.W &= (0xFFFF8000 >> (31 - count) );
				count = 0;
			}
		}		
		if (neg == TRUE) {
			SQrootResult.W = ~SQrootResult.W;
		}
	}
	for ( count = 0; count < 8; count++ ) {
		RSP_ACCUM[count].HW[1] = RSP_Vect[RSPOpC.rt].UHW[EleSpec[RSPOpC.rs].B[count]];
	}
	RSP_Vect[RSPOpC.sa].HW[7 - (RSPOpC.rd & 0x7)] = SQrootResult.UHW[0];
}

void RSP_Vector_VRSQL (void) {
	int count, neg;
	
	SQrootResult.UW = RSP_Vect[RSPOpC.rt].UHW[EleSpec[RSPOpC.rs].B[(RSPOpC.rd & 0x7)]] | SQroot.W;
	if (SQrootResult.UW == 0) {
		SQrootResult.UW = 0x7FFFFFFF;
	} else if (SQrootResult.UW == 0xFFFF8000) {
		SQrootResult.UW = 0xFFFF0000;
	} else {
		if (SQrootResult.W < 0) {
			neg = TRUE;
			if (SQrootResult.UHW[1] == 0xFFFF && SQrootResult.HW[0] < 0) {				
				SQrootResult.W = ~SQrootResult.W + 1;
			} else {
				SQrootResult.W = ~SQrootResult.W;
			}
		} else {
			neg = FALSE;
		}
		for (count = 31; count > 0; count--) {
			if ((SQrootResult.W & (1 << count))) {
				SQrootResult.W &= (0xFF800000 >> (31 - count) );
				count = 0;
			}
		}	
		{
			DWORD OldModel = _controlfp(_RC_CHOP,  _MCW_RC);
			SQrootResult.W = (long)(0x7FFFFFFF / sqrt(SQrootResult.W));
			OldModel = _controlfp(OldModel,  _MCW_RC);
		}
		for (count = 31; count > 0; count--) {
			if ((SQrootResult.W & (1 << count))) {
				SQrootResult.W &= (0xFFFF8000 >> (31 - count) );
				count = 0;
			}
		}		
		if (neg == TRUE) {
			SQrootResult.W = ~SQrootResult.W;
		}
	}
	for ( count = 0; count < 8; count++ ) {
		RSP_ACCUM[count].HW[1] = RSP_Vect[RSPOpC.rt].UHW[EleSpec[RSPOpC.rs].B[count]];
	}
	RSP_Vect[RSPOpC.sa].HW[7 - (RSPOpC.rd & 0x7)] = SQrootResult.UHW[0];
}

void RSP_Vector_VRSQH (void) {
	int count;

	SQroot.UHW[1] = RSP_Vect[RSPOpC.rt].UHW[EleSpec[RSPOpC.rs].B[(RSPOpC.rd & 0x7)]];
	for ( count = 0; count < 8; count++ ) {
		RSP_ACCUM[count].HW[1] = RSP_Vect[RSPOpC.rt].UHW[EleSpec[RSPOpC.rs].B[count]];
	}
	RSP_Vect[RSPOpC.sa].UHW[7 - (RSPOpC.rd & 0x7)] = SQrootResult.UHW[1];
}

void RSP_Vector_VNOOP (void) {}

/************************** lc2 functions **************************/
void RSP_Opcode_LBV ( void ) {
	uint32_t Address = (uint32_t)(RSP_GPR[RSPOpC.base].W + (RSPOpC.voffset << 0)) & 0xFFF;
	RSP_LBV_DMEM( Address, RSPOpC.rt, RSPOpC.del);
}

void RSP_Opcode_LSV ( void ) {
	uint32_t Address = (uint32_t)(RSP_GPR[RSPOpC.base].W + (RSPOpC.voffset << 1)) & 0xFFF;
	RSP_LSV_DMEM( Address, RSPOpC.rt, RSPOpC.del);
}

void RSP_Opcode_LLV ( void ) {
	uint32_t Address = (uint32_t)(RSP_GPR[RSPOpC.base].W + (RSPOpC.voffset << 2)) & 0xFFF;
	RSP_LLV_DMEM( Address, RSPOpC.rt, RSPOpC.del);
}

void RSP_Opcode_LDV ( void ) {
	uint32_t Address = (uint32_t)(RSP_GPR[RSPOpC.base].W + (RSPOpC.voffset << 3)) & 0xFFF;
	RSP_LDV_DMEM( Address, RSPOpC.rt, RSPOpC.del);
}

void RSP_Opcode_LQV ( void ) {
	uint32_t Address = (uint32_t)(RSP_GPR[RSPOpC.base].W + (RSPOpC.voffset << 4)) & 0xFFF;
	RSP_LQV_DMEM( Address, RSPOpC.rt, RSPOpC.del);
}

void RSP_Opcode_LRV ( void ) {
	uint32_t Address = (uint32_t)(RSP_GPR[RSPOpC.base].W + (RSPOpC.voffset << 4)) & 0xFFF;
	RSP_LRV_DMEM( Address, RSPOpC.rt, RSPOpC.del);
}

void RSP_Opcode_LPV ( void ) {
	uint32_t Address = (uint32_t)(RSP_GPR[RSPOpC.base].W + (RSPOpC.voffset << 3)) & 0xFFF;
	RSP_LPV_DMEM( Address, RSPOpC.rt, RSPOpC.del);
}

void RSP_Opcode_LUV ( void ) {
	uint32_t Address = (uint32_t)(RSP_GPR[RSPOpC.base].W + (RSPOpC.voffset << 3)) & 0xFFF;
	RSP_LUV_DMEM( Address, RSPOpC.rt, RSPOpC.del);
}

void RSP_Opcode_LHV ( void ) {
	uint32_t Address = (uint32_t)(RSP_GPR[RSPOpC.base].W + (RSPOpC.voffset << 4)) & 0xFFF;
	RSP_LHV_DMEM( Address, RSPOpC.rt, RSPOpC.del);
}

void RSP_Opcode_LFV ( void ) {
	uint32_t Address = (uint32_t)(RSP_GPR[RSPOpC.base].W + (RSPOpC.voffset << 4)) & 0xFFF;
	RSP_LFV_DMEM( Address, RSPOpC.rt, RSPOpC.del);
}

void RSP_Opcode_LTV ( void ) {
	uint32_t Address = (uint32_t)(RSP_GPR[RSPOpC.base].W + (RSPOpC.voffset << 4)) & 0xFFF;
	RSP_LTV_DMEM( Address, RSPOpC.rt, RSPOpC.del);
}

/************************** sc2 functions **************************/
void RSP_Opcode_SBV ( void ) {
	uint32_t Address = (uint32_t)(RSP_GPR[RSPOpC.base].W + (RSPOpC.voffset << 0)) & 0xFFF;
	RSP_SBV_DMEM( Address, RSPOpC.rt, RSPOpC.del);
}

void RSP_Opcode_SSV ( void ) {
	uint32_t Address = (uint32_t)(RSP_GPR[RSPOpC.base].W + (RSPOpC.voffset << 1)) & 0xFFF;
	RSP_SSV_DMEM( Address, RSPOpC.rt, RSPOpC.del);
}

void RSP_Opcode_SLV ( void ) {
	uint32_t Address = (uint32_t)(RSP_GPR[RSPOpC.base].W + (RSPOpC.voffset << 2)) & 0xFFF;
	RSP_SLV_DMEM( Address, RSPOpC.rt, RSPOpC.del);
}

void RSP_Opcode_SDV ( void ) {
	uint32_t Address = (uint32_t)(RSP_GPR[RSPOpC.base].W + (RSPOpC.voffset << 3)) & 0xFFF;
	RSP_SDV_DMEM( Address, RSPOpC.rt, RSPOpC.del);
}

void RSP_Opcode_SQV ( void ) {
	uint32_t Address = (uint32_t)(RSP_GPR[RSPOpC.base].W + (RSPOpC.voffset << 4)) & 0xFFF;
	RSP_SQV_DMEM( Address, RSPOpC.rt, RSPOpC.del);
}

void RSP_Opcode_SRV ( void ) {
	uint32_t Address = (uint32_t)(RSP_GPR[RSPOpC.base].W + (RSPOpC.voffset << 4)) & 0xFFF;
	RSP_SRV_DMEM( Address, RSPOpC.rt, RSPOpC.del);
}

void RSP_Opcode_SPV ( void ) {
	uint32_t Address = (uint32_t)(RSP_GPR[RSPOpC.base].W + (RSPOpC.voffset << 3)) & 0xFFF;
	RSP_SPV_DMEM( Address, RSPOpC.rt, RSPOpC.del);
}

void RSP_Opcode_SUV ( void ) {
	uint32_t Address = (uint32_t)(RSP_GPR[RSPOpC.base].W + (RSPOpC.voffset << 3)) & 0xFFF;
	RSP_SUV_DMEM( Address, RSPOpC.rt, RSPOpC.del);
}

void RSP_Opcode_SHV ( void ) {
	uint32_t Address = (uint32_t)(RSP_GPR[RSPOpC.base].W + (RSPOpC.voffset << 4)) & 0xFFF;
	RSP_SHV_DMEM( Address, RSPOpC.rt, RSPOpC.del);
}

void RSP_Opcode_SFV ( void ) {
	uint32_t Address = (uint32_t)(RSP_GPR[RSPOpC.base].W + (RSPOpC.voffset << 4)) & 0xFFF;
	RSP_SFV_DMEM( Address, RSPOpC.rt, RSPOpC.del);
}

void RSP_Opcode_STV ( void ) {
	uint32_t Address = (uint32_t)(RSP_GPR[RSPOpC.base].W + (RSPOpC.voffset << 4)) & 0xFFF;
	RSP_STV_DMEM( Address, RSPOpC.rt, RSPOpC.del);
}

void RSP_Opcode_SWV ( void ) {
	uint32_t Address = (uint32_t)(RSP_GPR[RSPOpC.base].W + (RSPOpC.voffset << 4)) & 0xFFF;
	RSP_SWV_DMEM( Address, RSPOpC.rt, RSPOpC.del);
}

/************************** Other functions **************************/

void rsp_UnknownOpcode (void) {
	char Message[200];
	int response;

	if (InRSPCommandsWindow) {
		SetRSPCommandViewto( *PrgCount );
		DisplayError("Unhandled Opcode\n%s\n\nStoping Emulation!", RSPOpcodeName(RSPOpC.Hex,*PrgCount));
	} else {
		sprintf(Message,"Unhandled Opcode\n%s\n\nStoping Emulation!\n\nDo you wish to enter the debugger ?", 
			RSPOpcodeName(RSPOpC.Hex,*PrgCount));
		response = MessageBox(NULL,Message,"Error", MB_YESNO | MB_ICONERROR );	
		if (response == IDYES) {		
			Enter_RSP_Commands_Window ();
		}
	}
	ExitThread(0);
}