***	X80X51.LIB -- 80 COLUMNS BY 51 ROWS, NON STANDARD FORMATS

***	HARDWARE CONFIGURATION
*
*	16 MHZ DOT CLOCK
*	9 DOTS PER CHARACTER
*	80 CHARACTER PROMS



***	DEFINE THE EQUATES NEEDED FOR THE VB3 BOARD
*

VIDEO	EQU	0C000H		;ADDRESS OF THE VIDEO MEMORY
OFFSET	EQU	01000H		;RELATIVE OFFSET TO THE ATTRIBUTE
VTAC	EQU	0D0H		;I/O ADDRESS OF THE CRT CONTROLLER
KSTAT	EQU	0E0H		;KEYBOARD STATUS/BOARD ENABLE
KDATA	EQU	0E1H		;KEYBOARD DATA/BOARD DISABLE
NCOLS	EQU	80		;DEFINE THE SCREEN SIZE
NROWS	EQU	51
SKEW	EQU	0
SCANF	EQU	545		;SCANS PER FRAME
SCANR	EQU	10		;SCANS PER DATA ROW
HCOUNT	EQU	109		;CHARACTER TIMES IN 1 HORIZ SCAN LINE
CRT5027	EQU	FALSE
CRT5037	EQU	TRUE
INTERLACED	EQU	TRUE