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Displaying Source Code(s)
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Program: To Implement Sense Drive Command.
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#include<conio.h>
#include<stdio.h>
#include<dos.h>
void main()
{
int x;
int show;
clrscr();
// Put on the motor
outp(0x3f2,28);//Address of digital control port 0x3f2
// Check whether the FDC is ready
show=inp(0x3f4); //Read the status of MSR
show=(show&128);
if(show==128)//Check whether FDC is ready
{
//Beginning of command phase
// Input the command parameters
outp(0x3f5,4);//Enter command parameters
delay(200);
outp(0x3f5,0); //Enter Head no and Drive no.
delay(300);
}
delay(1000);
show=inp(0x3f4);
show=show&192;//Check whether it is in show phase
if(show==192)
{
show=inp(0x3f5);//Read the status of
printf("The registers are %d",show);
}
getch();
//Put off the motor
outp(0x3f2,0);
}
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