;Initialize some variables
; DDSHBX = $Y of first line of help area
; DDSREFT = Global reference of temporary global location
; DDSFDO = 1 if entire form is display-only
; DDSCHG = Change flag
; DDSKM = Flag to keep whatever's in help area
; DDSH = Flag to indicate help area is empty
; DDSSC = Array to indicate what pages are on the screen