C++ (Cpp) Endian_A64_NE_to_LE Examples

Example #1

File: state.cpp Project: Tatsuya79/beetle-pce-fast-libretro

static bool SubWrite(StateMem *st, SFORMAT *sf, const char *name_prefix = NULL)
{
   while(sf->size || sf->name)	// Size can sometimes be zero, so also check for the text name.  These two should both be zero only at the end of a struct.
   {
      if(!sf->size || !sf->v)
      {
         sf++;
         continue;
      }

      if(sf->size == (uint32_t)~0)		/* Link to another struct.	*/
      {
         if(!SubWrite(st, (SFORMAT *)sf->v, name_prefix))
            return(0);

         sf++;
         continue;
      }

      int32_t bytesize = sf->size;

      char nameo[1 + 256];
      int slen;

      slen = snprintf(nameo + 1, 256, "%s%s", name_prefix ? name_prefix : "", sf->name);
      nameo[0] = slen;

      if(slen >= 255)
      {
         printf("Warning:  state variable name possibly too long: %s %s %s %d\n", sf->name, name_prefix, nameo, slen);
         slen = 255;
      }

      smem_write(st, nameo, 1 + nameo[0]);
      smem_write32le(st, bytesize);

#ifdef MSB_FIRST
      /* Flip the byte order... */
      if(sf->flags & MDFNSTATE_BOOL)
      {

      }
      else if(sf->flags & MDFNSTATE_RLSB64)
         Endian_A64_NE_to_LE(sf->v, bytesize / sizeof(uint64_t));
      else if(sf->flags & MDFNSTATE_RLSB32)
         Endian_A32_NE_to_LE(sf->v, bytesize / sizeof(uint32_t));
      else if(sf->flags & MDFNSTATE_RLSB16)
         Endian_A16_NE_to_LE(sf->v, bytesize / sizeof(uint16_t));
      else if(sf->flags & RLSB)
         Endian_V_NE_to_LE(sf->v, bytesize);
#endif

      // Special case for the evil bool type, to convert bool to 1-byte elements.
      // Don't do it if we're only saving the raw data.
      if(sf->flags & MDFNSTATE_BOOL)
      {
         for(int32_t bool_monster = 0; bool_monster < bytesize; bool_monster++)
         {
            uint8_t tmp_bool = ((bool *)sf->v)[bool_monster];
            //printf("Bool write: %.31s\n", sf->name);
            smem_write(st, &tmp_bool, 1);
         }
      }
      else
         smem_write(st, (uint8_t *)sf->v, bytesize);

#ifdef MSB_FIRST
      /* Now restore the original byte order. */
      if(sf->flags & MDFNSTATE_BOOL)
      {

      }
      else if(sf->flags & MDFNSTATE_RLSB64)
         Endian_A64_LE_to_NE(sf->v, bytesize / sizeof(uint64_t));
      else if(sf->flags & MDFNSTATE_RLSB32)
         Endian_A32_LE_to_NE(sf->v, bytesize / sizeof(uint32_t));
      else if(sf->flags & MDFNSTATE_RLSB16)
         Endian_A16_LE_to_NE(sf->v, bytesize / sizeof(uint16_t));
      else if(sf->flags & RLSB)
         Endian_V_LE_to_NE(sf->v, bytesize);
#endif
      sf++; 
   }

   return true;
}

Example #2

File: state.cpp Project: TOTOleHero/vbjin-ovr

static bool SubWrite(StateMem *st, SFORMAT *sf, int data_only, const char *name_prefix = NULL)
{
 // FIXME?  It's kind of slow, and we definitely don't want it on with state rewinding...
 //if(!data_only) 
 // ValidateSFStructure(sf);

 while(sf->size || sf->name)	// Size can sometimes be zero, so also check for the text name.  These two should both be zero only at the end of a struct.
 {
  if(!sf->size || !sf->v)
  {
   sf++;
   continue;
  }

  if(sf->size == (uint32)~0)		/* Link to another struct.	*/
  {
   if(!SubWrite(st, (SFORMAT *)sf->v, data_only, name_prefix))
    return(0);

   sf++;
   continue;
  }

  int32 bytesize = sf->size;

  // If we're only saving the raw data, and we come across a bool type, we save it as it is in memory, rather than converting it to
  // 1-byte.  In the SFORMAT structure, the size member for bool entries is the number of bool elements, not the total in-memory size,
  // so we adjust it here.
  if(data_only && (sf->flags & MDFNSTATE_BOOL))
  {
   bytesize *= sizeof(bool);
  }
  
  if(!data_only)
  {
   char nameo[1 + 256];
   int slen;

   slen = snprintf(nameo + 1, 256, "%s%s", name_prefix ? name_prefix : "", sf->name);
   nameo[0] = slen;

   if(slen >= 255)
   {
    printf("Warning:  state variable name possibly too long: %s %s %s %d\n", sf->name, name_prefix, nameo, slen);
    slen = 255;
   }

   smem_write(st, nameo, 1 + nameo[0]);
   smem_write32le(st, bytesize);

   /* Flip the byte order... */
   if(sf->flags & MDFNSTATE_BOOL)
   {

   }
   else if(sf->flags & MDFNSTATE_RLSB64)
    Endian_A64_NE_to_LE(sf->v, bytesize / sizeof(uint64));
   else if(sf->flags & MDFNSTATE_RLSB32)
    Endian_A32_NE_to_LE(sf->v, bytesize / sizeof(uint32));
   else if(sf->flags & MDFNSTATE_RLSB16)
    Endian_A16_NE_to_LE(sf->v, bytesize / sizeof(uint16));
   else if(sf->flags & RLSB)
    Endian_V_NE_to_LE(sf->v, bytesize);
  }
    
  // Special case for the evil bool type, to convert bool to 1-byte elements.
  // Don't do it if we're only saving the raw data.
  if((sf->flags & MDFNSTATE_BOOL) && !data_only)
  {
   for(int32 bool_monster = 0; bool_monster < bytesize; bool_monster++)
   {
    uint8 tmp_bool = ((bool *)sf->v)[bool_monster];
    //printf("Bool write: %.31s\n", sf->name);
    smem_write(st, &tmp_bool, 1);
   }
  }
  else
   smem_write(st, (uint8 *)sf->v, bytesize);

  if(!data_only)
  {
   /* Now restore the original byte order. */
   if(sf->flags & MDFNSTATE_BOOL)
   {

   }
   else if(sf->flags & MDFNSTATE_RLSB64)
    Endian_A64_LE_to_NE(sf->v, bytesize / sizeof(uint64));
   else if(sf->flags & MDFNSTATE_RLSB32)
    Endian_A32_LE_to_NE(sf->v, bytesize / sizeof(uint32));
   else if(sf->flags & MDFNSTATE_RLSB16)
    Endian_A16_LE_to_NE(sf->v, bytesize / sizeof(uint16));
   else if(sf->flags & RLSB)
    Endian_V_LE_to_NE(sf->v, bytesize);
  }
  sf++; 
 }

 return(TRUE);
}