Int 62 Fn 009C u - Fgdriver V4.02 - "fg_reset" - Erase Screen And Restor [V]
AX = 009Ch
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 graphics modes
The screen attributes are only restored if ANSI.SYS is loaded
See Also: AX=0028h,AX=00B0h