Program to show the System Configuration using biosequip( ) function

 # include <stdlib.h>
 # include  <stdio.h>
 # include  <conio.h>
 # include   <bios.h>
 # include    <dos.h>

 int main( )
 {
    int iCount=15;
    unsigned int uiMaxValue=32768;

    unsigned int uiAX=biosequip( );

    clrscr( );
    textmode(BW80);

    printf(\" * * * * * * * * * *  System Configuration  * * * * * * * * * *\\n\\n\");
    printf(\" System Configuration Word Value = \");

    for(iCount=15;iCount>=0;iCount--)
    {
       if((iCount%4)==3)
      printf(\" \");

       if((uiAX&uiMaxValue)==uiMaxValue)
      printf(\"1\");

       else
      printf(\"0\");

       uiMaxValue/=2;
    }

    printf(\"\\n\\n\\r Boot From Disk = \");

    switch((uiAX&0x0001))
    {
       case 0 : printf(\"No\");
        break;

       case 1 : printf(\"Yes\");
        break;
    }

    uiAX>>=1;

    printf(\"\\n Math Co-Processor Installed = \");

    switch((uiAX&0x0001))
    {
       case 0 : printf(\"No\");
        break;

       case 1 : printf(\"Yes\");
        break;
    }

    uiAX>>=1;

    printf(\"\\n Motherboard RAM Size = \");

    switch((uiAX&0x0003))
    {
       case 0 : printf(\"16k\");
        break;

       case 1 : printf(\"32k\");
        break;

       case 2 : printf(\"48k\");
        break;

       case 3 : printf(\"64k\");
        break;
    }

    uiAX>>=2;

    printf(\"\\n Initial Video Mode = \");

    switch((uiAX&0x0003))
    {
       case 0 : printf(\"unused\");
        break;

       case 1 : printf(\"40x25 BW with color card\");
        break;

       case 2 : printf(\"80x25 BW with color card\");
        break;

       case 3 : printf(\"80x25 BW with mono card\");
        break;
    }

    uiAX>>=2;

    printf(\"\\n Number of Disk Drives = %d\",((uiAX&0x0003)+1));

    uiAX>>=2;

    printf(\"\\n Direct Memory Access (DMA) = \");

    switch((uiAX&0x0001))
    {
       case 0 : printf(\"Available\");
        break;

       case 1 : printf(\"Not Available\");
        break;
    }

    uiAX>>=1;

    printf(\"\\n Number of COM (Serial) Ports = %d\",(uiAX&0x0007));

    uiAX>>=3;

    printf(\"\\n Game I/O Port = \");

    switch((uiAX&0x0001))
    {
       case 0 : printf(\"Not Available\");
        break;

       case 1 : printf(\"Available\");
        break;
    }

    uiAX>>=1;

    printf(\"\\n Serial Printer Attached = \");

    switch((uiAX&0x0001))
    {
       case 0 : printf(\"No\");
        break;

       case 1 : printf(\"Yes\");
        break;
    }

    uiAX>>=1;

    printf(\"\\n Number of Parallel Printers Installed = %d\",(uiAX&0x0003));
    printf(\"\\n\\n * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\");

    getch( );
    return 0;
 }