cc-stuff/videotape.lua

local tape = peripheral.find("tape_drive")
local mon = peripheral.find("monitor")

tape.seek(-tape.getSize())
mon.setTextScale(1)

local w, h = string.byte(tape.read(2), 1, 2)

local b = ""
for _ = 1, w do b = b .. "0" end
local f = b

repeat
    for y = 1, h do
        mon.setCursorPos(1, y)
        local buf = { string.byte(tape.read(w), 1, -1) }
        local s = "" -- , f, b = "", "", ""
        for x = 1, w do
            s = s .. string.char(0x80 + bit32.band(0x7F, buf[x]))
            -- local inv = bit32.band(0x80, buf[x])
            -- f = f .. (inv and "f" or "0")
            -- b = b .. (inv and "0" or "f")
        end
        mon.blit(s, f, b)
    end
    os.sleep(0.01)
until tape.isEnd()