#includesbit s1 = (P0^1);sbit s2 = (P0^2);sbit s3 = (P0^3);sbit s4 = (P0^4);sbit d1 = (P1^1);sbit d2 = (P1^2);sbit d3 = (P1^3);sbit d4 = (P1^4);sbit en = (P1^5);#define cmdport P3#define dataport P2#define q 10#define o 1sbit rs = cmdport^2; //register select pinsbit rw = cmdport^1; // read write pinsbit e = cmdport^0; //enable pinvoid delay(unsigned int msec) // Function to provide time delay in msec.{int i,j ;for(i=0;i