Category: video

INT 10 - UNCHAIN - UPDATE PAGE 3 OFFSET

	AX = CB03h
	BX = offset of page 3
Return: nothing
Desc:	inform UNCHAIN of the location of video page 3 in video memory; the
	  default is 7D00h (32000, for 320x200)
SeeAlso: AX=CB01h,AX=CB02h,AX=CB04h