Hi, welcome to Bitbuilt, if you plan to make a portable yourself, I really suggest looking through here thoroughly https://bitbuilt.net/forums/index.php?forums/guide-hub.89/ this isn't a forum that spoon feeds you, (not to throw shade, but a perfect example is GBAtemp, where they just ask questions without bothering to look, cause I know you have an account there.),
but if you ever need help, and can't find your answer, everyone is willing to help you. (it's just a common misconception that people have, and once it's cleared up, you usually have a good time)
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