-- setup
modules={}

function _init()
 _doall("init")
end

function _update60()
 _doall("update") end
function _draw()
 cls(0)
 _doall("draw") end

function _doall(x)
 for n in all{x.."0",x,x.."2",x.."3"} do
  for mod in all(modules) do
   local f=mod[n]
   if (f) f(mod)
  end
 end
end 

function klass()
 local k={}
 k.__index=k
 function k:new(...)
  local n={}
  setmetatable(n,k)
  n:init(...)
  return n
 end
 return k
end

function gsv(s)
 local ret=split(s,"\n")
 for i,v in ipairs(ret) do
  ret[i] = type(v) == "string" and split(v,"`") or {v} end
 return ret
end

function shuf(t)
 for i=#t,1,-1 do
  local j=flr(rnd(i))+1
  t[i],t[j]=t[j],t[i]
 end
end