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// MemoryRW.cpp: implementation of the CMemoryRW class. 
// 
////////////////////////////////////////////////////////////////////// 
 
#include "stdafx.h" 
#include "MemoryRW.h" 
#include "Winio.h" 
#ifdef _DEBUG 
#undef THIS_FILE 
static char THIS_FILE[]=__FILE__; 
#define new DEBUG_NEW 
#endif 
 
////////////////////////////////////////////////////////////////////// 
// Construction/Destruction 
////////////////////////////////////////////////////////////////////// 
 
CMemoryRW::CMemoryRW() 
{ 
	bTrueAddress=true; 
} 
 
CMemoryRW::~CMemoryRW() 
{ 
 
} 
 
BOOL CMemoryRW::init() 
{ 
	BOOL b_ok=false; 
 	if(bTrueAddress) 
    { 
		b_ok=InitializeWinIo(); 
		BOOL PciCfg; 
		PciCfg = GetPciCfg(&adsbase); 
		if(!PciCfg) 
			adsbase = 0xd8000; 
		return b_ok; 
	} 
	else 
		lpMsg= MemShare.MemShareWrite (ShareName,Max_MenLength); 
	return true; 
} 
 
void CMemoryRW::WriteMemory(long TrueAddress,long VirtualAddress, short m_store, long ValueType) 
{ 
	switch(ValueType) 
	{  
	//写物理内存  
	case  1: 
     SetPhysByte(TrueAddress+adsbase-0xd8000,(PBYTE)(&m_store),2); 
	 break; 
    case  2: 
      memcpy(lpMsg+VirtualAddress-0xd8000,&m_store,2);	 
	 break; 
     case  3: 
       SetPhysByte(TrueAddress+adsbase-0xd8000,(PBYTE)(&m_store),2); 
	  memcpy(lpMsg+VirtualAddress-0xd8000,&m_store,2);	 
	 break; 
	 default: 
	   break; 
     
	} 
 
} 
 
unsigned short CMemoryRW::ReadMemory(long TrueAddress,long VirtualAddress, long ValueType) 
{  
    unsigned short m_store; 
	m_store=(short)0x8000; 
  	switch(ValueType) 
	{  
	//物理内存  
	case  1: 
     GetPhysByte(TrueAddress+adsbase-0xd8000,(PBYTE)(&m_store),2); 
	 break; 
    case  2: 
      memcpy((PBYTE)(&m_store),lpMsg+VirtualAddress-0xd8000,2);	 
	 break; 
     case  3: 
       GetPhysByte(TrueAddress+adsbase-0xd8000,(PBYTE)(&m_store),2); 
	  memcpy((PBYTE)(&m_store),lpMsg+VirtualAddress-0xd8000,2);	 
	 break; 
	 default: 
	   break; 
   	} 
	 
	return  m_store; 
} 
 
unsigned short CMemoryRW::GetMemory(long Address) 
{ 
    unsigned short m_store; 
	//读物理内存 暂时存在m_store 
 	if(bTrueAddress) 
		GetPhysByte(Address+adsbase-0xd8000,(PBYTE)(&m_store),2); 
	else 
		memcpy((PBYTE)(&m_store),lpMsg+Address-0xd8000,2);	 
	return  m_store; 
} 
 
void CMemoryRW::SetOnTrueAddress(BOOL flag) 
{ 
	bTrueAddress=flag; 
} 
 
void CMemoryRW::SetMemory(long Address, short m_store) 
{ 
	//写物理内存  
	if(bTrueAddress) 
		SetPhysByte(Address+adsbase-0xd8000,(PBYTE)(&m_store),2); 
	else 
		memcpy(lpMsg+Address-0xd8000,&m_store,2);	 
}