My bootloader is coming along nicely :)
I have most of the functionality in place now.

Specs are now:
- uses 106 words
- saves interrupt states and goes to a new interrupt-vector.
- receives data in 32 word blocks (32x2 bytes) wich are programmed and acked
for next block.
- does not reprogram first 256 words or memory as this block can be
protected by the internal memory fuse.

Todo:
- Add a check on data input
- when I know how large it will be, adjust programming to allow use of the
remaining program-memory of the first page.

What check algorithm do you guys (and girls?) suggest ?
It should be as small as possible, but I do have 22 words left before I
start on the next 32 word block...


Kyrre

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