Category: video

INT 10 - Tandy 2000 - VIDEO - SCROLL WINDOW

	AH = 12h
	AL = number of rows or columns to scroll
	BH = buffer flag
	    00h data in user buffer
		ES:SI -> buffer containing character/attribute pairs
	    01h no buffer, fill emptied rows/columns with blanks
	BL = direction in which to scroll
	    00h up
	    01h down
	    02h left
	    03h right
	CH,CL = row,column of upper left corner of scroll area
	DH,DL = row,column of lower right corner
Return: nothing
Notes:	this interrupt is identical to INT 52 on Tandy 2000
	the user buffer, if supplied, must be organized by row; regardless of
	  the scroll direction, all character/attribute pairs for the first
	  row are first, then the pairs for the second row, etc.
SeeAlso: AH=00h,AH=0Bh/BH=02h,AH=11h"Tandy 2000",AH=12h"Tandy 2000"
SeeAlso: INT 52"Tandy"