INT 60 u - HP 95LX System Manager - "M_DIRTY_SYNC" - FORCE SCREEN UPDATE
	DI = 1005h
	STACK:	2 WORDs unused dummies (for calls from high level languages)
Return: ???
	STACK unchanged
SeeAlso: INT 10/AH=FFh,INT 60/DI=0300h,INT 60/DI=0301h