Int 62 Fn 0022  u - Fgdriver V4.02 - "fg_drawx" - Xor Solid Line To Absol  [V]

   AX = 0022h
   BX = endpoint column
   CX = endpoint row
Desc:  draw a solid line, XORing each pixel onto the screen

Notes: the FGDRIVER functions are rearranged with each major release, but
     their parameters do not change (see #3145 at AX=0000h)
   This call is ignored in text modes
   The starting point is the current graphics cursor position; the cursor
     position is updated

See Also: AX=001Dh,AX=0021h,AX=008Fh