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Procedure.l x_val(string.s)
  Global x_val_type.l
  Protected p.l, l.l, b.l, t.l, c.l, s.l, m.l, p0.l
  ;
  ; *** as normal val() except it accepts also &H &O &0 &B % \ $ 0X
  ;
  string = UCase(Trim(string))
  l = Len(string)
  p = @string
  p0 = p
  s = PeekB(p) & $FF
  t = 0
  ;
  If s = '-'
    m = -1
    p = p+1
    s = PeekB(p) & $FF
  Else
    m = 1
    If s = '+'
      p = p+1
      s = PeekB(p) & $FF
    EndIf
  EndIf
  ;
  If s = '$'
    p = p+1
    b = 16
  ElseIf s = '%'
    p = p+1
    b = 2
  ElseIf s = '\'
    p = p+1
    b = 8
  ElseIf Left(string,2) = "&B"
    p = p+2
    b = 2
  ElseIf Left(string,2) = "&O"
    p = p+2
    b = 8
  ElseIf Left(string,2) = "&0"
    p = p+2
    b = 8
  ElseIf Left(string,2) = "&H"
    p = p+2
    b = 16
  ElseIf Left(string,2) = "0X"
    p = p+2
    b = 16
    ;
    ; ElseIf Left(string,1) = "0"           ; i don't like this one, as i often use
    ;    p = p+1                            ; preceding zeroes in front of decimals while
    ;    b = 8                              ; c(++) would turn those into octals... brrr...
    ;                                       ; well, it's up to you to uncomment these lines 
  Else
    b = 10
  EndIf
  ;
  While p < p0+l
    c = (PeekB(p) & $FF) - 48
    p = p+1
    If c > 9
      c = c - 7
    EndIf
    If c >= 0 And c < b
      t = t*b+c
    Else
      p = p+l
    EndIf
  Wend
  t = t * m
  x_val_type = b
  ;
  ProcedureReturn t
EndProcedure