Int 62 Fn 0008 u - Fgdriver V3.03+ - "fg_boxx" - Xor Hollow Rectangle [V]
AX = 0008h
BX = left column
CX = right column
DX = top row
SI = bottom row
Notes: the FGDRIVER functions are rearranged with each major release, but
their parameters do not change (see #3145)
The rectangle is XORed into screen space, respecting the clipping
region, with edges of the width specified with "FG_BOXDEPTH"
(see AX=0007h) (default = 1 is set by "FG_SETMODE")
This function has no effect in text modes
See Also: AX=0006h,AX=0007h,AX=0021h,AX=0022h,AX=0051h,AX=0055h,AX=0090h