Flash Memory primitves configuration to store lcd data

[prasadsrkrec]

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Code C - [expand]
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void flashByteWrite (FLADDR addr, char byte, bit SFLE)
{
        bit EA_SAVE = EA; // preserve EA
        char xdata * data pwrite; // FLASH write pointer
        EA = 0; // disable interrupts
    
        FLSCL |= 0x01; // enable FLASH writes/erases
        PSCTL |= 0x01; // PSWE = 1
        
        RSTSRC = 0x02; // enable VDDMON as reset source
        *pwrite = byte; // write the byte
 
        PSCTL &= ~0x01; // PSWE = 0
        FLSCL &= ~0x01; // disable FLASH writes/erases
        PSBANK = PSBANK_SAVE; // restore PSBANK
        
        EA = EA_SAVE; // restore interrupts
}
 
 
unsigned char flashByteRead (FLADDR addr, bit SFLE)
{
        
        bit EA_SAVE = EA; // preserve EA
        
        char code * data pread; // FLASH read pointer
        unsigned char byte;
        EA = 0; // disable interrupts
        byte = *pread; // read the byte
      
        PSBANK = PSBANK_SAVE; // restore PSBANK
       
        EA = EA_SAVE; // restore interrupts
        return byte;
}
//-----------------------------------------------------------------------------
// flashPageErase
//-----------------------------------------------------------------------------
//
// This routine erases the FLASH page containing the linear FLASH address
// <addr>.
//
void flashPageErase (FLADDR addr, bit SFLE)
{
        
        bit EA_SAVE = EA; // preserve EA
        
        char xdata * data pwrite; // FLASH write pointer
        EA = 0; // disable interrupts
        
                pwrite = (char xdata *) addr;
       
        FLSCL |= 0x01; // enable FLASH writes/erases
        PSCTL |= 0x03; // PSWE = 1; PSEE = 1
        
        RSTSRC = 0x02; // enable VDDMON as reset source
        *pwrite = 0; // initiate page erase
        
        PSCTL &= ~0x03; // PSWE = 0; PSEE = 0
        FLSCL &= ~0x01; // disable FLASH writes/erases
     
        EA = EA_SAVE; // restore interrupts
}

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Above one is the code which i am using ..
But i want to configure that code to lcd already i have that program .any one help me how to add address to that code?

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I want flash memory primitives configuration to store byte in flash memory?