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Altera_Forum
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13 years ago

Circular Buffer Implementation

Good morning. Am trying to implement a circular buffer to write to external SRAM. I am using two always constructs. The first determines that something should be written (there are multiple potent...
Altera_Forum's avatar
Altera_Forum
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13 years ago

Yes you are correct that

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reg [19:0] sram_buffer [255:0]

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will be 256 20-bit words. I'm still not quite with you on what you are trying to do. When it comes to memories, if you want Quartus to infer memories you should take a look at this document http://www.altera.com/literature/hb/qts/qts_qii51007.pdf page 11-13 and on describes on how to infer memories. You can also instantiate memories explicitly in your code. To explicitly add a memory use the Megawizard tool under the tools menu in Quartus.

/Boris