CAI Commands Help File
@1,Instructional command for PC-CAI "@" At commands
@2,Textual commands for PC-CAI "." Dot commands
##1
PC-CAI Instructional Commands:

@BEGIN QUESTION - marker at first of a question
@END QUESTION - End of a question
@ESCAPE - what happens when user presses Esc
@GOTO - Goto a label (@LABEL)
@GOBACK - Go back to top, then search for a label
@IF - branching
@MENU - goto menu
@OPTION - controls Esc key
@READ - user enters an answer
@RIGHT (*TEXT*) [KEYWORD,EXACT,EXACT NOCASE]
@SHELL - execute a DOS command
@STOP - end the tutorial
@TRIES ## - number of times to allow wrong answers
@WRONG (*TEXT*) [KEYWORD,EXACT,EXACT NOCASE]
@TRIES ##

##2
PC-CAI Textual commands:

.ANIMATE - make up to four images move in sequence
.BLANK ##
.CENTER (*text*) - center text
.CIRCLE - craw a circle
.CLS or .CLEAR - CLEAR SCREEN
.COLOR - set monitor color
.DRAW - draw lines in graphic mode
.INFORMATION - collection informtion from user response
.LOCATE - locate cursor on the screen
.MOVE - move a single image around the screen
.PAINT - fill an graphic image with a color
.PALETTE - choose graphic color palette
.PAUSE (*PROMPT*) - pause until Enter is pressed
.SKIP ##
.USE  - temporarily use another file
.WAIT # - wait # seconds
