;jmp 0 9        ;error msg
;jmp 0 -5       ;error msg
;mov 2 -3       ;error msg
mov 2 2        ;ok
sub 0 0 2      ;r[0] should have 0, not -2
;str 0 -1 5     ;error msg
               ;error: have to halt the DISM with an explicit hlt instruction