GoLboard

local a=http.get"https://pastebin.com/raw/ujchRSnU"local b=fs.open("blittle","w")b.write(a.readAll())a.close()b.close()

os.loadAPI "blittle" -- evil but necessary

local function make_board(w, h)
    local board = {}
    for x = 0, w do
        board[x] = {}
        for z = 0, h do
            local pick = false
            if math.random() < 0.5 then pick = true end
            board[x][z] = pick
        end
    end
    board.width = w
    board.height = h
    return board
end

local function wrap(n, max)
    return n % max
end

local function get_neighbours(board, x, y, w, h)
    local total = 0
    for dx = -1, 1 do
        for dy = -1, 1 do
            if not (dx == 0 and dy == 0) then
                local thing = 0
                if board[wrap(x + dx, w)][wrap(y + dy, h)] then thing = 1 end
                total = total + thing
            end
        end
    end
    return total
end

local function update(board, new_board)
    for x = 0, board.width do
        for y = 0, board.height do
            local alive_now = board[x][y]
            local alive_next

            local neighbours = get_neighbours(board, x, y, board.width, board.height)

            if alive_now then
                alive_next = neighbours == 2 or neighbours == 3
            else
                alive_next = neighbours == 3
            end

            new_board[x][y] = alive_next
        end
    end
    return new_board
end

local blterm = blittle.createWindow(term.current(), 1, 1, raww, rawh, false)

local function draw(board)
    blterm.setVisible(false)
    for x = 0, board.height do
        blterm.setCursorPos(1, x)
        local cols = ""
        for z = 0, board.width do
            local color = colors.black
            if board[z][x] then cols = cols .. "0"
            else cols = cols .. "f" end
        end
        blterm.blit(nil, nil, cols)
    end
    blterm.setVisible(true)
end

local w, h = blterm.getSize()
local b1, b2 = make_board(w, h), make_board(w, h)
local gens = 0
while true do
    draw(b1)
    update(b1, b2)
    b1, b2 = b2, b1
    gens = gens + 1
    if gens % 100 == 0 then b1 = make_board(w, h) end
    sleep(0.1)
end