Majora's Mask Time Display

--"readtime.lua"
--For use in MM (U) on BizHawk 1.9.1
--Text placement assumes 640x480 resolution
--
--Addresses:
--0x1EF67C is Game Time

function display(hr,mn)
    am = "pm"
    if hr > 12 then
        hr = hr-12
    elseif hr ~= 12 then
        if hr == 0 then
            hr = 12
        end
        am = "am"
    end
    if mn > 9 then
        gui.text(290,450,hr..":"..mn..am)
    else
        gui.text(290,450,hr..":0"..mn..am)
    end
end

while true do
    frame = memory.read_u16_be(0x1EF67C)
    hour = math.floor(3*frame/8192)
    remain = 3*frame/8192 - hour
    minute = math.floor(3*math.floor(remain*100)/5)
    display(hour,minute)
    emu.frameadvance()
end