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I have extended the current Cyclone III example design by introducing some of the new IP features added in Quartus 9.1. Specifically I have added two frame readers and two control synchronisers to provide an on-screen logo image from a ROM, and a graphics screen from DDR memory. The control synchronizers are used to perform smooth centered-zoom and layer switching functions. The .zip file includes an "Extended example design.ppt" presentation which also explains the changes.
I recommend that anyone wanting to try this out should get the standard example design working first. Then, the only "gotcha" is to do the linker edits so that the NIOS uses the on-chip RAM instead of the frame reader's DDR - be sure to follow the instructions in the README.txt.
Jon.
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Hi Vipjon,
In this example design, I could not understand event queue header file's function.What job it does, could you please explain me?
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