PRINT
PRINT @str0$(1,4)
PRINT @str0$(-1,2)
PRINT @str0$(-1,3)
'
EDIT
'
FUNCTION str0$(n%,l&) !v1.00 correctly prints padded negative numbers
  ' works just like str$(num,len) but pads with '0' instread of white space
  LOCAL p&
  LOCAL r$
  '
  r$=REPLACE$(STR$(n%,l&),32,48) !-> '00-1' (needs fixed)
  '
  IF n%<0                 !is it negative?
    p&=INSTR(r$,"-")      !position in padded string
    IF p&>1               !not already at 1st char in padded string?
      MID$(r$,p&,1)="0"   !then move negative sign
      MID$(r$,1,1)="-"    !  to 1st char of padded string
    ENDIF
  ENDIF
  '
  RETURN r$
ENDFUNC