INT 60 u - HP 95LX System Manager - SCREEN SERVICE "M_CHRATTR"
	DI = 0304h
	STACK:	2 WORDs unused dummies (for calls from high level languages)
		DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	pointer to ???
		WORD	???
Return: ???
	STACK unchanged