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First pass at automatic document generation.
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Disk: Zilog MCZ
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===============
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The Zilog MCZ is an extremely early Z80 development system, produced by
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Zilog, which came out in 1976. It used twin 8-inch hard sectored floppy
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drives; here's one at the <a
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href="http://www.computinghistory.org.uk/det/12157/Zilog-Z-80-Microcomputer-System/">Centre
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for Computing History</a>:
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<div style="text-align: center">
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<a href="http://www.computinghistory.org.uk/det/12157/Zilog-Z-80-Microcomputer-System/">
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<img src="zilogmcz.jpg" style="max-width: 60%" alt="A Zilog MCZ at the Centre For Computing History"></a>
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</div>
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The MCZ ran Zilog's own operating system, Z80-RIO, and used 77 track
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single-sided disks, with 32 sectors (each marked by an index hole), with 132
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bytes per sector --- 128 bytes of user payload plus two two-byte metadata
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words used to construct linked lists of sectors for storing files. These
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stored 320kB each.
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FluxEngine has experimental read support for these disks, based on a single
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Catweasel flux file I've been able to obtain, which only contained 70 tracks.
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I haven't been able to try this for real. If anyone has any of these disks,
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an 8-inch drive, a FluxEngine and the appropriate adapter, please [get in
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touch](https://github.com/davidgiven/fluxengine/issues/new)...
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Reading discs
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-------------
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Just do:
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```
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fluxengine read zilogmcz
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```
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You should end up with an `zilogmcz.img` which is 315392 bytes long.
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Useful references
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-----------------
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* [About the Zilog MCZ](http://www.retrotechnology.com/restore/zilog.html),
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containing lots of useful links
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* [The hardware user's manual](https://amaus.org/static/S100/zilog/ZDS/Zilog%20ZDS%201-25%20Hardware%20Users%20Manual.pdf)
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