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Program To Implement Sense Drive Command

Program To Implement Sense Drive Command

#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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