INT 62 u - FGDRIVER v4.02 - "FG_SETCLIP" - SET CLIPPING REGION
	AX = 00A9h
	BX = left edge of clipping region
	CX = right edge of clipping region
	DX = top edge of clipping region
	SI = bottom edge of clipping region
Note:	the FGDRIVER functions are rearranged with each major release, but
	  their parameters do not change (see #03474 at AX=0000h)
SeeAlso: AX=0010h,AX=001Fh,AX=0034h,AX=003Eh,AX=00A1h,AX=00C5h