do
  local function S(a)
    return function(b)
      return { __tag = "S", a, b }
    end
  end
  local function MkSome(a)
    return function(b)
      return { __tag = "MkSome", a, b }
    end
  end
  local Proxy = { __tag = "Proxy" }
  local function Some(a)
    return { __tag = "Some", a }
  end
  local Nil = { __tag = "Nil" }
  local None = { __tag = "None" }
  local function _TypeRep(x)
    return {
      {
        name = x.name .. "#" .. x.fingerprint
      },
      __tag = "TypeRep"
    }
  end
  local function __eq_type_rep(tr_a, tr_b, keq, kne)
    if tr_a[1].name == tr_b[1].name then
      return keq()()
    else
      return kne()
    end
  end
  local function _Typeable_app(pair)
    local ta, tb = pair._1[1], pair._2[1]
    return {
      {
        name = "(" .. ta.name .. ") :$ (" .. tb.name .. ")"
      },
      __tag = "TypeRep"
    }
  end
  local string_of_int = tostring
  local function _dollardExceptionljv(tmp)
    return {
      from_exception = function(x)
        return Some(x)
      end,
      ["Exception$lae"] = _Typeable_app({
        _1 = (function(tmp0)
          return _TypeRep({
            fingerprint = 271,
            name = "some"
          })
        end)(),
        _2 = (function(tmp0)
          return _TypeRep({
            fingerprint = 276,
            name = "exception"
          })
        end)()
      }),
      describe_exception = function(tmp0)
        return tmp0[1].describe_exception(tmp0[2])
      end,
      into_exception = function(x)
        return x
      end
    }
  end
  local function from_exception(mdm, mgf)
    local tmp = (function(tmp)
      return _TypeRep({
        fingerprint = 304,
        name = "user_error"
      })
    end)()
    local x = mgf[2]
    return __eq_type_rep((function()
      return mgf[1]["Exception$lae"]
    end)(Proxy), (function()
      return tmp
    end)(Proxy), function(tmp0)
      return function(tmp1) return Some(x) end
    end, function(tmp0) return None end)
  end
  local function from_exception0(mdm)
    return function(mgf)
      return from_exception(mdm, mgf)
    end
  end
  local function _dollardExceptionmcp(tmp)
    return {
      describe_exception = function(tmp0)
        return "User error: " .. tmp0
      end,
      ["Exception$lae"] = (function(tmp0)
        return _TypeRep({
          fingerprint = 304,
          name = "user_error"
        })
      end)(),
      into_exception = function(mgv)
        return MkSome(_dollardExceptionmcp(nil))(mgv)
      end,
      from_exception = from_exception0(tmp)
    }
  end
  local function _dollarfoldr(ukg)
    return function(f)
      return function(z)
        local function loop(k, x)
          if x.__tag ~= "Cons" then
            return k(z)
          end
          local tmp = x[1]
          local x0 = tmp._1
          return loop(function(r)
            return k(f(x0)(r))
          end, tmp._2)
        end
        return function(x)
          return loop(function(x0)
            return x0
          end, x)
        end
      end
    end
  end
  local _dollardFoldableujg, foldl1, foldl10
  _dollardFoldableujg = function(tmp)
    return {
      foldl1 = foldl1(tmp),
      foldr = _dollarfoldr(tmp),
      ["Foldable$tre"] = function(f)
        return function(xs)
          local function avi(xss)
            if xss.__tag ~= "Cons" then
              return Nil
            end
            local tmp0 = xss[1]
            return {
              { _1 = f(tmp0._1), _2 = avi(tmp0._2) },
              __tag = "Cons"
            }
          end
          return avi(xs)
        end
      end,
      foldl = function(f)
        local function loop(z)
          return function(x)
            if x.__tag ~= "Cons" then return z end
            local tmp0 = x[1]
            return loop(f(z)(tmp0._1))(tmp0._2)
          end
        end
        return loop
      end
    }
  end
  foldl1 = function(ukg)
    return function(uvw)
      return function(uvx)
        return foldl10(ukg, uvw, uvx)
      end
    end
  end
  foldl10 = function(ukg, uvw, uvx)
    local tmp = _dollardFoldableujg(nil).foldl(function(m)
      return function(y)
        if m.__tag == "None" then
          return Some(y)
        end
        return Some(uvw(m[1])(y))
      end
    end)(None)(uvx)
    if tmp.__tag == "None" then
      return error(setmetatable(_dollardExceptionmcp(nil).into_exception("foldl1: empty structure"), {
        __tostring = _dollardExceptionljv(nil).describe_exception
      }))
    end
    return tmp[1]
  end
  local io_stdout = io.stdout
  local io_stderr = io.stderr
  local io_stdin = io.stdin
  local read_value_16 = ReadValue16
  local set_screen_text = SetScreenText
  local function pretty_from_record(agyo, a, w)
    local function smul(s, n)
      if n <= 0 then return "" end
      return s .. smul(s, n - 1)
    end
    local prep = smul(" ", w)
    local rf = agyo.fields(a)
    local x = w + 2
    return agyo.name(a) .. " {\n" .. _dollardFoldableujg(nil).foldl(function(acc)
      return function(f)
        local name = f._1
        local field = f._2
        if field.__tag == "S" then
          return acc .. prep .. "  " .. (name .. " = " .. field[1](field[2])) .. ",\n"
        end
        return acc .. prep .. "  " .. (name .. " = " .. field[1](field[2])(x)) .. ",\n"
      end
    end)("")(rf) .. prep .. "}"
  end
  local function onScriptStart(tmp)
    return nil
  end
  local function onScriptCancel(tmp)
    return nil
  end
  local function onScriptUpdate(tmp)
    local u16 = read_value_16(17295140)
    local function tmp0(save_ctx)
      return set_screen_text(pretty_from_record({
        fields = function(tmp0)
          return {
            {
              _2 = Nil,
              _1 = {
                _1 = "rupees",
                _2 = S(function(tmp1)
                  return string_of_int(tmp1) .. "_s16"
                end)(tmp0.rupees)
              }
            },
            __tag = "Cons"
          }
        end,
        name = function(tmp0)
          return "SaveContext"
        end
      }, save_ctx, 0))
    end
    if u16 > 32767 then
      return tmp0({
        rupees = 0 - (65536 - u16)
      })
    end
    return tmp0({ rupees = u16 })
  end
  local function onStateLoaded(tmp)
    return nil
  end
  local function onStateSaved(tmp)
    return nil
  end
  return {
    base_address = 16138528,
    g_save_ctx_address = 1156560,
    onScriptCancel = onScriptCancel,
    onScriptStart = onScriptStart,
    onScriptUpdate = onScriptUpdate,
    onStateLoaded = onStateLoaded,
    onStateSaved = onStateSaved
  }
end