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Recent content by kvn0smnsn

  1. K

    Why won't EDA Playground show all eight times I set my clock to zero?

    I'm trying to create a module that stores the contents of a queue, with two parameters, (nmElems) for the number of elements in the queue and (nmBits) for the number of bits in each element. My Verilog code for module (sQueue) is: // (c) Kevin Simonson 2024 module sQueue #( nmBits = 2, nmElems...
  2. K

    Can EDA Playground Specify a Directory to Look for Modules It Uses?

    I've built a module (Equ) and a module (t_Equ) to test it, and put it in the upper two windows of EDA Playground. Module (Equ) uses two modules I've already created, (Mux) and (Nt). Module (Mux) itself uses (Nt). The code for (Equ) is: // (c) Kevin Simonson 2024 module Equ ( result, left...
  3. K

    [SOLVED] Why Is my Logical Inverter always Giving Me 'z's?

    I took my browser to "https://www.edaplayground.com" to run the EDA playground, and got a display with four windows. In the window on the left I clicked on (Tools & Simulators) and selected (Synopsys VCS 2021.09). To the right of that window, on the bottom was a window that output messages...
  4. K

    four parallel processors vs four thousand processors

    Kaz1, how can I find out more about a dedicated parallel circuit?
  5. K

    four parallel processors vs four thousand processors

    Just off the top of my head, say 4 gigabytes, and each of the 4000 processors needs to be able to read from and write to all of it. 1673715592 So are you telling me that, all other things being equal, a computer with 4000 parallel processors is more expensive than a computer with four parallel...
  6. K

    four parallel processors vs four thousand processors

    I'm not sure this is the right forum to post this in. Please let me know if there's a better forum I can use. Generally speaking, all other things being equal, is it less expensive to build a computer with four parallel processors (cores, right?) than it is to build a computer with four thousand...
  7. K

    Can I Patent some Computer Hardware?

    If I've come up with a design for some computer hardware that performs some often needed task that has some advantage over existing hardware or software applications (say in the areas of speed, cost, etc.), can I patent that hardware? If so, how exactly would I do that? It's going to involve a...
  8. K

    [SOLVED] Trying to Understand the Syntax with Two-Dimensional Arrays

    So Barry, are you saying that it is an array of six values, each of which is eight bits long?
  9. K

    [SOLVED] Trying to Understand the Syntax with Two-Dimensional Arrays

    I have a piece of code I'm putting together: module twoDim( hexes, switches); output [ 7:0] hexes [ 5:0]; input [ 9:0] switches; // Rest of the file deleted. endmodule With this, is (hexes) an array of six values, each of which has eight bits? Or is it an array of eight values, each...
  10. K

    Are these three Carry Look Ahead Circuits Equivalent?

    I've been reading up on carry look ahead adders, and from the diagram on "https://en.wikipedia.org/wiki/Carry-lookahead_adder#/media/File:Four_bit_adder_with_carry_lookahead.svg" I've built the following file: module ClaFour( cOut, sum, aOp, bOp, cIn); output cOut; output [ 3:0] sum...
  11. K

    [SOLVED] Quartus : Including files

    Thanks, everybody; your comments helped me figure out how to name my blocks, and now everything is working.
  12. K

    [SOLVED] Quartus : Including files

    Okay, I moved files "FullAdder.v": module FullAdder( cOut, sum, aOp, bOp, cIn); output cOut; output sum; input aOp; input bOp; input cIn; assign cOut = aOp & bOp | aOp & cIn | bOp & cIn; assign sum = aOp ^ bOp ^ cIn; endmodule , "AddVector.v": `include "FullAdder.v" module...
  13. K

    [SOLVED] Quartus : Including files

    I've asked questions in this forum about writing Verilog code used in EDA Playground, and had good look getting answers. Is this forum also for questions we have about Quartus? I have succeeded in getting Quartus to download to a FPGA an implementation of a single Verilog file, sometimes with...
  14. K

    [SOLVED] getting 'No such file or directory' message, but files are there

    Thanks Dpaul! I was able to get it working with your and everyone else's comments.

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