INT 62 u - FGDRIVER v4.02 - "FG_MAKESPR" - CREATE STANDARD PIXEL RUN FILE
	AX = 006Eh
	BX = left edge in screen space units
	CX = right edge in screen space units
	DX = top edge in screen space units
	SI = bottom edge in screen space units
	ES:DI -> ASCIZA NUL-terminated ASCII string.	The ASCIZ string "ABC" consists of the four bytes 41h, 42h, 43h, and 00h.  Unless otherwise specified, maximum lengths given in the interrupt list do not include the terminating NUL. filename of SPR file to create
Return: AX = status
	    0000h successful
	    0001h file not created
Notes:	the FGDRIVER functions are rearranged with each major release, but
	  their parameters do not change (see #03474 at AX=0000h)
	The SPR file is created from the specified region of the active video
	  page; the left and right edges are adjusted to byte boundaries if
	  necessary
	If the specified file already exists, it is overwritten
	This call is ignored in text modes
SeeAlso: AX=005Bh,AX=006Ch,AX=006Dh,AX=00B9h,AX=00BAh,AX=00BBh