CC nixie clock

-- requires:
--  CC restitched 1.76 for minecraft 1.19.2 (fabric loader)
--  "Source block" from "CC:C bridge"
--  4 nixie tube blocks linked to the bridge with a "display link"


local function fmtTime(time)
    if time == 0 then
        return "00"
    elseif time < 10 then
        return "0" .. tostring(time)
    else
        return tostring(time)
    end
end

display = peripheral.find("create_source")
display.clear()

while true do
    local time = os.time("utc")

    -- chatgpt slop,,, but it works
    local hours = math.floor(time)
    local mins = math.floor((time - hours) * 60)
    local secs = math.floor(((time - hours) * 60 - mins) * 60)
    local tenths = math.floor((((time - hours) * 60 - mins) * 60 - secs) * 10)

    display.clear()
    display.setCursorPos(1,1)   -- source blocks do not do line wrapping etc
    display.write(fmtTime(hours))
    display.write(":")
    display.write(fmtTime(mins))
    display.write(":")
    display.write(fmtTime(secs))
    sleep(0.1)
end