Locations 1536 through 1791 are normally not used by the OS, BASIC, or the floating point package. That leaves them free for your use (page six is a good place to store a machine language routine). Now I did say that they are "normally" not used. That means that they're not completely safe. If you try and INPUT more than 128 bytes during I/O, then the extra bytes are stored in page six. That means one of two things. Either don't INPUT more than 128 bytes at a time, or only use the second half of page six (locations 1664 through 1791). These locations are absolutely guaranteed not to be used by anything no matter what.
Please notice that I only said the OS, BASIC, and the floating point package wouldn't use page six. If you are using another language, it might, so check the documentation that comes with it.
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