8051 programming in c

hello.. this time i got a task from my lecturer for programming 8051 microcontroller in C language.. the software i used is MIDE51.. i've done some google search that explain the basic of C in 8051 uC.. but i cant find the needed one.. i hope someone can find me the basic of C programming for 8051 using MIDE software.. and also the code reference..

thanks..