SMB1 turbo script

--2014 Jul 24 by Rena
--makes Super Mario Bros run crazyfast during load screens,
--death animations, etc (any time you're not controlling Mario).
local oldmode = 0
while true do
    local mode = memory.readbyte(0x000E)
    if mode ~= oldmode then
        --changing the speed frequently breaks things for some reason,
        --so only change it if the mode changed
        if mode == 8 then emu.speedmode("normal")
        else emu.speedmode("maximum")
        end
        oldmode = mode
    end
    emu.frameadvance()
end