Help porting newlib to a new CPU architecture (sorta)

Grant Edwards
Wed Jul 7 15:09:39 GMT 2021

On 2021-07-06, Joel Sherrill <> wrote:

> I think you might get some ideas from the old m6809 port of gcc
> That was an 8 bit CPU with only 64k memory space if I remember everything
> correctly.

The 6809 el al could treat pairs of registers as 16-bit values for
some operations (similar to 8080/Z80). All of the C compilers I've
used for 68xx architecture relied heavily on those 16-bit
register-pair operations.


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