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RE: [avr-gcc-list] Binding a register pair to a pointer
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From: |
Georg-Johann Lay |
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Subject: |
RE: [avr-gcc-list] Binding a register pair to a pointer |
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Date: |
Wed, 10 Dec 2008 17:51:18 +0100 |
> register unsigned char counter asm ("r3")
Pointers live in register pairs, you must not specify an odd number.
However, I guess that specifying a GPR explicitly is not what you want?
You can find some examples on the following page.
The page is in german but the examples should give you some hints.
http://www.roboternetz.de/wissen/index.php/Inline-Assembler_in_avr-gcc#Zugriff_aufs_SRAM
regards
Georg-Johann
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