Микроконтроллеры

void FLASH_ByteWrite (unsigned char  *p_Add, char byte)
{
   bit EA_SAVE = EA;                   // preserve EA
   char xdata * data pwrite; <---------// FLASH write pointer

   EA = 0;                             // disable interrupts
   WDTCN=0xA5;

   pwrite = (char xdata *) p_Add;       // initialize write pointer
   
   FLSCL  = FLASHSCALE;                // enable FLASH writes/erases
   PSCTL |= 0x01;                      // PSWE = 1

   *pwrite = byte;                     // write the byte

   PSCTL &= ~0x01;                     // PSWE = 0
   FLSCL |=  0x0F;                     // disable FLASH writes/erases

   EA = EA_SAVE;                       // restore interrupts
}