		SUBTITLE    "< Common equates for OS VIDEO parameters. >"
		NEWPAGE
		scope

; 		< Screen and control equates. >
	
NEGLINE 	EQU 	    -LINESIZ
SCRPROT 	EQU     	7			; Bits 0-2: scroll protect.
CLRFRM		EQU		1Fh			; Clear form.
CTL     	EQU     	4            		; Bit 4, display controls
HOME		EQU		1Ch
TABS    	EQU     	3             		; Bit 3: 0=tabs, 1=chars


;		 <Video display definitions>


LINESIZ 	EQU    	80
NUMROWS 	EQU    	24
CRTSIZE 	EQU    	LINESIZ*NUMROWS			; 24x80=1920 bytes.