;CART'S EYE - CONTOUR REGION EDGE. ; ;MAJOR SUBROUTINES. C+N+CRE,; CART'S EYE. C+N+MKCON,; MAKE CONTOUR IMAGE. C+N+CMPARE,; COMPARE CONTOUR IMAGES. ; ;MINOR SUBROUTINES. C+N+CREMEM,; MEMORY MANAGEMENT. C+N+CREIO,; INPUT/OUTPUT. C+N+CREDPY,; DISPLAY SUBROUTINES. TSERVO; TURN TABLE SERVO.