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Altera_Forum's avatar
Altera_Forum
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12 years ago

Custom instruction to access SDRAM

Hi, I'm inexperienced with FPGA's. I want to implement a custom instruction, which calculates an SDRAM address and writes something into. I use NIOS II e and SDRAM controller IP. My question...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

I would start with a single cycle combinatorial custom instruction, maybe just add or byte reverse.

If you find your instruction on the RTL viewer you'll get a good idea of how it all works.