**************************************************
* Apple Standard Memory Locations
* @todo: finalize as include?
**************************************************
CLRLORES	equ $F832
LORES	equ $C050
TXTSET	equ $C051
MIXCLR	equ $C052
MIXSET	equ $C053
KEY	equ $C000
STROBE	equ $C010
SPEAKER	equ $C030
VBL	equ $C02E
RDVBLBAR	equ $C019 ;not VBL (VBL signal low)