Click above to get retro games delivered to your door ever month!

_A20_LD
_A20_LE
_A20chk
_A20dis
_A20ena

Manipulate the A20 line on 286 processors.

Under normal conditions, it is not necessary to manipulate this line to access
XMS; consult the XMS documentation for details on these functions.


Header File.....TCXLmem.h

Prototype.......IntT PAS _A20_LD(NOARG);
                IntT PAS _A20_LE(NOARG);
                IntT PAS _A20chk(NOARG);
                IntT PAS _A20dis(NOARG);
                IntT PAS _A20ena(NOARG);

Arguments.......None.

Returns.........TRUE if successful, FALSE on error, and sets MemXerr.