Subject: Re: [stella] AtariVox EEPROM file format From: Paul Slocum <paul@xxxxxxxxxxxx> Date: Mon, 29 Nov 2004 14:45:06 -0600 |
Use 7-bit ASCII characters for the names. That way the MSB of the first byte could be used to mark used file blocks. If it's 0, the block isused, if it's 1 the block is free.
The first to bytes in each block are sued for the file type. With ther only being 128 blocks available and probably not that many programs that use the file area in the AtariVox anyway, two-character file types should be enough to avoid confusion between different programs.
The filename can be up to 8 characters long (or whatever size you think would be best). But if you set the MSB in one of these bytes to 1, it means that the filename ends there and that the bytes after this byte are used for data.
Maybe you are right. We should probably make it mandatory for a game to allow the user to erase it's high-scores on the AtariVox. Otherwise scores for the different beta versions of a game might get mixed. And if the difficulty of the game still changes, that could be a problem.
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