Re: Help porting newlib to a new CPU architecture (sorta)
Grant Edwards <[email protected]>
| Newsgroups | gmane.comp.lib.newlib |
|---|---|
| Message-ID | <[email protected]> |
On 2021-07-06, Joel Sherrill <[email protected]> wrote: > I think you might get some ideas from the old m6809 port of gcc > > http://vectrexc.malban.de/documentation/gcc-6809-documentation > > 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. -- Grant