root/as/cmd/SUBL/subl_r1_r2.casl

/* [<][>][^][v][top][bottom][index][help] */ 
   1 ;;; SUBL r1,r2
   2 MAIN    START
   3 BEGIN   LD      GR1,A
   4         LD      GR2,B
   5         SUBL    GR1,GR2
   6         RET
   7 A       DC      3
   8 B       DC      1
   9         END
/* [<][>][^][v][top][bottom][index][help] */