Original code

var_ms_table = { 0, 0, 0, 0, 0, 0, 0, 0 ,0 }
var_ms_turn = 'X'
var_ms_winner = nil
var_ms_rotation = 0
var_ms_x = 0
var_ms_y = 0
var_places = nil

function reset()
 var_ms_table = { 0, 0, 0, 0, 0, 0, 0, 0 ,0 }
 var_ms_turn = 'X'
 var_ms_winner = nil
 var_ms_rotation = 0
 var_ms_x = 0
 var_ms_y = 0
end

function winbar(x,y,r)
 var_ms_rotation = r
 var_ms_x = x
 var_ms_y = y
end

var_ms_x_wins = 0
var_ms_o_wins = 0
var_ms_n_wins = 0

function record_wins()
 if var_ms_winner == 'X' then
  var_ms_x_wins = var_ms_x_wins + 1
 elseif var_ms_winner == 'O' then
  var_ms_o_wins = var_ms_o_wins +1
 elseif var_ms_winner == 'No' then
  var_ms_n_wins = var_ms_n_wins + 1
 end
reset()
end

function user_placed(x,y)
check_board()
 if var_ms_turn == 'X' and var_ms_winner == nil then
  if x == 1 and y == 1 and var_ms_table[1] == 0 then
   var_ms_table[1] = 'X'
   var_ms_turn = 'O'
    elseif x == 1 and y == 2 and var_ms_table[2] == 0 then
   var_ms_table[2] = 'X'
   var_ms_turn = 'O'
    elseif x == 1 and y == 3 and var_ms_table[3] == 0 then
   var_ms_table[3] = 'X'
   var_ms_turn = 'O'
    elseif x == 2 and y == 1 and var_ms_table[4] == 0 then
   var_ms_table[4] = 'X'
   var_ms_turn = 'O'
    elseif x == 2 and y == 2 and var_ms_table[5] == 0 then
   var_ms_table[5] = 'X'
   var_ms_turn = 'O'
    elseif x == 2 and y == 3 and var_ms_table[6] == 0 then
   var_ms_table[6] = 'X'
   var_ms_turn = 'O'
    elseif x == 3 and y == 1 and var_ms_table[7] == 0 then
   var_ms_table[7] = 'X'
   var_ms_turn = 'O'
    elseif x == 3 and y == 2 and var_ms_table[8] == 0 then
   var_ms_table[8] = 'X'
   var_ms_turn = 'O'
    elseif x == 3 and y == 3 and var_ms_table[9] == 0 then
   var_ms_table[9] = 'X'
   var_ms_turn = 'O'
  end
 else
  cpu_placed()
 end
 cpu_placed()
end

var_ms_s_val = 10

function cpu_placed()
check_board()
div = math.random(1,4)
 if var_ms_turn == 'O' and var_ms_winner == nil then
  for place in ipairs(var_ms_table) do
   if var_ms_table[place] == 0 and (math.random(1,9) == 1 and (var_ms_table[place-math.random(1,2)] == 'O' or var_ms_table[place+math.random(1,2)] == 'O'))
    then
     var_ms_table[place] = 'O'
     var_ms_turn = 'X'
     break
   elseif var_ms_table[place] == 0 and (var_ms_table[place-math.random(0,4)] == 'X' or var_ms_table[place+math.random(0,4)] == 'X')
    then
     var_ms_table[place] = 'O'
     var_ms_turn = 'X'
     break
   end
  end
 end
end

function cpu_player()
check_board()
div = math.random(1,4)
 if var_ms_turn == 'X' and var_ms_winner == nil then
  for place in ipairs(var_ms_table) do
   if var_ms_table[place] == 0 and (math.random(1,2) == 1)
    then
     var_ms_table[place] = 'X'
     var_ms_turn = 'O'
     break
   elseif var_ms_table[place] == 0 and (math.random(1,2) == 2 and (var_ms_table[place-math.random(0,4)] == 'O' or var_ms_table[place+math.random(0,4)] == 'O'))
    then
     var_ms_table[place] = 'X'
     var_ms_turn = 'O'
     break
   end
  end
 end
end

var_cpucpu = 1
function cpu()
 var_cpucpu = (var_cpucpu%2 + 1)
end

function check_board()
 if (var_ms_table[1] == 'X' and var_ms_table[2] == 'X' and var_ms_table[3] == 'X') then
  var_ms_winner = 'X'
  winbar(0,-115,90)
elseif (var_ms_table[4] == 'X' and var_ms_table[5] == 'X' and var_ms_table[6] == 'X') then
  var_ms_winner = 'X'
  winbar(0,0,90)
 elseif (var_ms_table[7] == 'X' and var_ms_table[8] == 'X' and var_ms_table[9] == 'X') then
  var_ms_winner = 'X'
  winbar(0,115,90)
  elseif (var_ms_table[1] == 'X' and var_ms_table[4] == 'X' and var_ms_table[7] == 'X') then
  var_ms_winner = 'X'
  winbar(-115,0,0)
  elseif (var_ms_table[2] == 'X' and var_ms_table[5] == 'X' and var_ms_table[8] == 'X') then
  var_ms_winner = 'X'
  winbar(0,0,0)
 elseif (var_ms_table[3] == 'X' and var_ms_table[6] == 'X' and var_ms_table[9] == 'X') then
  var_ms_winner = 'X'
  winbar(115,0,0)
elseif (var_ms_table[1] == 'X' and var_ms_table[5] == 'X' and var_ms_table[9] == 'X') then
  var_ms_winner = 'X'
  winbar(0,0,-45)
 elseif (var_ms_table[3] == 'X' and var_ms_table[5] == 'X' and var_ms_table[7] == 'X')
  then
   var_ms_winner = 'X'
   winbar(0,0,45)
 elseif (var_ms_table[1] == 'O' and var_ms_table[2] == 'O' and var_ms_table[3] == 'O') then
  var_ms_winner = 'O'
  winbar(0,-115,90)
 elseif (var_ms_table[4] == 'O' and var_ms_table[5] == 'O' and var_ms_table[6] == 'O') then
  var_ms_winner = 'O'
  winbar(0,0,90)
 elseif (var_ms_table[7] == 'O' and var_ms_table[8] == 'O' and var_ms_table[9] == 'O') then
  var_ms_winner = 'O'
  winbar(0,115,90)
 elseif (var_ms_table[1] == 'O' and var_ms_table[4] == 'O' and var_ms_table[7] == 'O') then
  var_ms_winner = 'O'
  winbar(-115,0,0)
 elseif (var_ms_table[2] == 'O' and var_ms_table[5] == 'O' and var_ms_table[8] == 'O') then
  var_ms_winner = 'O'
  winbar(0,0,0)
 elseif (var_ms_table[3] == 'O' and var_ms_table[6] == 'O' and var_ms_table[9] == 'O') then
  var_ms_winner = 'O'
  winbar(115,0,0)
 elseif (var_ms_table[1] == 'O' and var_ms_table[5] == 'O' and var_ms_table[9] == 'O') then
  var_ms_winner = 'O'
  winbar(0,0,-45)
 elseif (var_ms_table[3] == 'O' and var_ms_table[5] == 'O' and var_ms_table[7] == 'O')
  then
   var_ms_winner = 'O'
   winbar(0,0,45)
  elseif (var_ms_table[1] ~= 0 and var_ms_table[2] ~= 0 and var_ms_table[3] ~= 0 and var_ms_table[4] ~= 0 and var_ms_table[5] ~= 0 and var_ms_table[6] ~= 0 and var_ms_table[7] ~= 0 and var_ms_table[8] ~= 0 and var_ms_table[9] ~= 0) then
  var_ms_winner = 'No'
 end
end

function on_second(h,m,s)
 if var_cpucpu == 1 then
  if ((var_ms_winner == 'X' or var_ms_winner == 'O' or var_ms_winner == 'No') and s%5 == 0) then
   record_wins()
  end
 elseif var_cpucpu == 2 then
  if ((var_ms_winner == 'X' or var_ms_winner == 'O' or var_ms_winner == 'No')) then
   record_wins()
  end
 end
end

function on_millisecond(dt)
 cpu_placed()
 check_board()
  if var_cpucpu == 2 then
   -- x = math.random(1,9)
   -- y = math.random(1,9)
   -- user_placed(x,y)
   cpu_player()
  end
end