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_bios_equiplist
===============

Syntax
------

     #include <bios.h>
     
     unsigned _bios_equiplist(void)

Description
-----------

This function returns the equipment word from BIOS request 0x11.  The
bits correspond to the following values:

     Bits  Meaning
     0     True (1) if disk drive(s) installed
     1     True (1) if math coprocessor installed
     2-3   System RAM in 16K blocks (16-64K)
     4-5   Initial video mode:
                00 = Reserved
                01 = 40 x 25 color
                10 = 80 x 25 color
                11 = 80 x 25 monochrome
     6-7   Number of floppy-disk drives installed
           (00 = 1, 01 = 2, etc.)
     8     False (0) if and only if a Direct Memory Access (DMA)
           chip is installed
     9-11  Number of RS232 serial ports installed
     12    True (1) if and only if a game adapter is installed
     13    True (1) if and only if an internal modem is installed
     14-15 Number of printers installed

Return Value
------------

The equipment word.

Example
-------

     if ( _bios_equip() & 0xc000 )
       do_printing();