function get_catch_status()
    memory.usememorydomain("WRAM")
    return memory.read_u16_be(0x1969)
end

function press_a()
	for i=1, 1 do
        joypad.set({A=true})
        emu.frameadvance()
    end
end

local file = io.open("catches_"..emu.framecount()..".txt", "w")
savestate.save("base.state")
for frame=1,1000 do
    press_a()
    for i=1, 100 do
        emu.frameadvance()
    end
    file:write("frame="..(emu.framecount()-100).." catch="..get_catch_status().."\n")
    savestate.load("base.state")
    joypad.set({A=null})
    emu.frameadvance()
    savestate.save("base.state")
end
file:close()