title	'Definitions of Video storage area, Kaypro 4'
;
	aseg
;
	entry	scrnbas, oneline, maxln;	fundamental
	entry	vstate, cursor
	entry	row, cchar, cmark, attrib
;
	entry	endline, colmask, line25;	computed
;
scrnbas	equ	03000h
oneline	equ	128;		storage used per line
maxln	equ	24;		lines available per screen
;
; Must compute here for linkage system
endline	equ	scrnbas + (maxln-1) * oneline
line25	equ	(endline + oneline) shr 8
colmask	equ	oneline-1
;
	org	03c30h;		video RAM space available
vstate:	ds	2;	init to vnorm.  State machine
cursor:	ds	2;	location of cursor on screen
row:	ds	1;	1st areg in "esc=yx" sequence
cchar:	ds	1;	char for cursor location, saved
cmark:	ds	1;	cursor char for screen for blank
attrib:	ds	1;	video attrib for new chars, 80h for flash
;
	end