Not storing the data from SBUF

Hi MCU is recieving the data from other MCU& i am unable to store the data using SBUF..so pls help me.. only the last byte is receiving again & again...

thanks

here my source code

p = 0; for(i1=0;i1<448;i1++) ser_buf[i1]=SBUF;

for(i2=0;i2<8;i2++) { for(i1=0;i1<48;i1++) prt_buf[i1] = 0; for(i1 = 0;i1<48;i1++) prt_buf[i1] =ser_buf[p++];

print_graph();

}