Subject:
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Re: H8/300 Assembler/C interface
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Newsgroups:
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lugnet.robotics.rcx
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Date:
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Thu, 19 Apr 2001 15:59:23 GMT
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Viewed:
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1434 times
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Ralph Hempel <rhempel@bmts.com> wrote:
> One more question, are the other registers r3,r4,r5,r6 considered
> volatile across a function call in GCC?
By the caller? No. They are callee-save.
-Kekoa
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Message has 1 Reply:
 | | RE: H8/300 Assembler/C interface
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| (...) Ahhh, that makes it awkward with the RCX ROM calls, but I'm pretty sure I can make my assembler source compatible with this. I'm just getting ready to release an assembler RCX serial library that is either polled or interrupt driven. Any (...) (24 years ago, 19-Apr-01, to lugnet.robotics.rcx)
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