0xFF

send7digitToLCD(data,&asciiBuffer);
...

void send7digitToLCD(unsigned long data,unsigned int address)
 {
    unsigned long volatile xdata;
    unsigned int volatile ptr;
    xdata=data;
    ptr=address;
    asm volatile("push r16");
    asm volatile("push r30");
    asm volatile("push r31");
    asm volatile("ldd r30,y+1");
    asm volatile("ldd r31,y+2");
    ...

}