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- @node _bios_equiplist, bios
- @subheading Syntax
-
- @example
- #include <bios.h>
-
- unsigned _bios_equiplist(void)
- @end example
-
- @subheading Description
-
- This function returns the equipment word from BIOS request 0x11. The
- bits correspond to the following values:
-
- @example
- 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
- @end example
-
- @subheading Return Value
-
- The equipment word.
-
- @subheading Example
-
- @example
- if ( _bios_equip() & 0xc000 )
- do_printing();
- @end example
-