> -----Original Message----- > From: > [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] > org] On Behalf Of Parthasaradhi Nayani > Sent: Tuesday, December 09, 2008 11:45 AM > To: avr-gcc-list@nongnu.org > Subject: [avr-gcc-list] Binding a register pair to a pointer > > Hello all, > I have a time critical application where I have to process an > external interrupt request. When the interrupt occurs, I have > to read a port and store this data pointed by a pointer. In > order to reduce the time taken by pushes and pops, I would > like to bind a register pair to a char pointer. My search for > examples has not yielded any results. I have tried something > like "unsigned char *ptr asm ("x")" but this is throwing out > an error. Can some one show me an example on how to achieve > this? Thank you.
This is describe in the avr-libc user manual, in the FAQ. _______________________________________________ AVR-GCC-list mailing list AVR-GCC-list@nongnu.org http://lists.nongnu.org/mailman/listinfo/avr-gcc-list
