hi,

please do not confuse people with incomplete code. Your code will fail if be compilated and run as it is. For example, by this:

EA = 1; 
ES = 1; 
SPCR = 0xD1; // <- it sets bit SPIE = SPI Interrupt Enable

you allow SPI interrupt. But where is the code of SPI interrupt service routine? If you do not use it then please mention the fact. From other side, if you have allowed the interrupt why do you use polling method then?

Yet another question, just for interest:

void SPI_out(int send,int l_add,int u_add) 
{ 
DPH = u_add; 
DPL = l_add; 
SPDR = send; 
while(SPSR != 0x80); 
}

What are DPTR registers loaded for?

Regards,
Oleg