lstoff

; Standard Z88	Operating	System manifests:

; The information below is defined	in Developers Notes, release 3.00
; (c) Cambridge Computer	1989

; Screen control:

	DEFC	Os_Off  =	$EC06		; switch machine (screen) off

	DEFC	Os_Sci  =	$D406		; alter screen	info
	; arguments:
		DEFC	SC_LR0  =	$01			; LORES0 (512 byte granularity)
		DEFC	SC_LR1  =	$02			; LORES1 (4K granularity)
		DEFC	SC_HR0  =	$03			; HIRES0 (8K granularity)
		DEFC	SC_HR1  =	$04			; HIRES1 (2K granularity)
		DEFC	SC_SBR  =	$05			; screen base (2K granularity)

lston