.globl  _tolower›_tolower:›  jsr  popax    ; get the char›  cmp  #'A    ; < 'a'?›  bcc  tolower9  ; yup, skip it›  cmp  #'Z+1    ; > 'z ?›  bcs  tolower9›  adc  #$20    ; carry's already set›tolower9:›  rts››