1            sdld=6775
   2            *200
   3 00200 7240 start,  cla cma         / Get all ones
   4 00201 6775         sdld            / None should clear
   5 00202 7040         cma             / Should get zero
   6 00203 7440         sza             / All OK?
   7 00204 7402         hlt             / Nope, note error bits
   8 00205 5200         jmp start       / Restart
   9            $