Re: [avr-gcc-list] ijmp usage

[Theodore A. Roth]

On Thu, 19 Dec 2002, Steve Joiner wrote:

:)
:) Ok, dumb question time.  I'm writing a routine in assembly for the
:) atmega8.  I've got some code that looks like this:
:)
:) ldi ZL,lo8(foo)
:) ldi ZH,hi8(foo)
:) ijmp
:)
:) Unfortunately, it doesn't seem to be doing what I want (which would be
:) to jump to foo).  If I replace that code, with this code:

Ok, ignore my other post about using the lsr, ror insns.

I just dug through binutils and found the pm_lo8() and pm_hi8() built-ins.

This should do want you want:

  ldi ZL,pm_lo8(foo)
  ldi ZH,pm_hi8(foo)
  ijmp


Ted Roth

avr-gcc-list at http://avr1.org