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a troubleshooting note

This commit is contained in:
Kartik K. Agaram 2021-04-25 16:02:30 -07:00
parent d56153d004
commit a761d0e4ef
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shell/README.md
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@ -65,3 +65,14 @@ $ qemu-system-i386 -m 2G -enable-kvm -hda code.img -hdb data.img
* Don't press keys too quickly (such as by holding down a key). The Mu
computer will crash (and often Qemu will segfault).
* Mu currently assumes access to 2GB of RAM. To change that, modify the
definition of `Heap` in 120allocate.subx, and then modify the `-m 2G`
argument in the Qemu commands above. Mu currently has no virtual
memory. If your Heap is too large for RAM, allocating past the end of RAM
will succeed. However, accessing addresses not backed by RAM will fail with
this error:
```
lookup: failed
```