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The main theme of this demo is trackloading data whilst the application is running.

We cram a DD floppy full of image and music data, then load and display each image in turn whilst playing a P61 module.

There are quite a few new things in here:

(1) We use a [modified bootloader](alpine_bootloader.s) that reads the size of the main program from the disk before trackloading it.
(2) Photon's trackloader is also now copied into the main program so it can be used to load subsequent data.
(3) We use multiple sections and a [linker script](link.script) to help with organising data on the ADF image. The linker script is not technically required, however I wanted to see what I could do with vlink and linker scripts.
(4) We switched to the [doynamite68k](https://github.com/AxisOxy/Planet-Rocklobster/tree/master/tools/doynamite68k) compressor/decompressor. The compressed file are larger than those generated by Shinkler, however the decompressor is a lot faster.
(5) P61 is configured to use CIA mode.

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