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Displaying Source Code(s)
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Program to implement Specify command.
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#include<conio.h>
#include<stdio.h>
#include<dos.h>
void main()
{
int x;
int result;
clrscr();
// Step 1Put on the motor
outp(0x3f2,28);//Address of digital control port 0x3f2
//Step 2 Check whether the FDC is ready
result=inp(0x3f4); //Read the status of MSR
result=(result&128);
if(result==128)//Check whether FDC is ready
{
//Beginning of command phase
//Step 3 Input the command parameters
outp(0x3f5,3);//Enter command parameters
delay(200);
outp(0x3f5,204); //Enter SRT(2-32 step of 2) HUT(4-512 in step
of4)
delay(300);
outp(0x3f5,25);//Enter the HUT and NDM
delay(300);
}
delay(1000);
result=inp(0x3f5);
printf("The value od data register is %d",result);
getch();
//Put off the motor
outp(0x3f2,0);
}
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123
Eng