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22 lines
1017 B
Markdown
22 lines
1017 B
Markdown
Photon's bootloader
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===================
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In this example we take [020.shrinkler](../020.shrinkler) and convert it to use [Photon's bootloader](http://coppershade.org/asmskool/SOURCES/Photon-snippets/DDE5-BootLoader.S).
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I hacked the [boot loader code](../shared/hardware_bootloader.s) just a little bit. Firstly I think some of the vasm optimisations messed with some of the code offsets that are assumed by Photon's code. Secondly I modified it to be compatible with my previous bootloader.
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The bootblock code is in [../shared/hardware_bootblock.s](../shared/hardware_bootblock.s), and will be the default bootblock I use going forward.
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A new [Makefile](Makefile) config option has been added:
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```
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USERSTACK_ADDRESS=7fffc
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```
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Luckily the bootloader and shrinkler code still fit in the bootblock :-)
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try it
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------
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* [Download disk image](bin/photons_bootloader.adf?raw=true)
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* <a href="http://alpine9000.github.io/ScriptedAmigaEmulator/#amiga_examples/photons_bootloader.adf" target="_blank">Run in SAE</a>
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