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Altera_Forum's avatar
Altera_Forum
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21 years ago

Nios Semaphore?

I need a good semaphore to make a fifo IRQ safe. On the PC it's easy with the assembly instruction BTS which Bit Tests and Sets. So you can try to set a bit and know if you did it in a single c...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
21 years ago

I can't take credit for finding this...but here it is:

For NiosII, the processor reference tells you all about the ASM commands, it can be found under the nios2 kit directory: nios2\documents\n2cpu_nii5v1.pdf

I hope that helps.