root/as/cmd/CPL/cpl_r1_r2__s.casl

;;; CPL r1,r2 SF:1
MAIN    START   BEGIN
BEGIN   LD      GR1,A
        LD      GR2,B
        CPL     GR1,GR2
        RET
A       DC      #5000
B       DC      #7000
        END