FPGA Assemblers and Time Machines
Flashback to 1986. A young man has a crazy idea - he wants to make a CPU all by himself. He is reading early Xilinx manuals cover to cover as if they were novels. Yes, you are quick - this is indeed a...
View ArticleVGA Output in 7 Slices. Really.
Ridiculous? Read on - I will show you how to generate VGA timing in seven XilinxR Spartan3R slices.Some time ago I needed to output video to a VGA monitor for my Apple ][ FPGA clone. Obviously (I...
View ArticleStrangeCPU #1. A new CPU
Summary: In this multi-part series I will share with you a design, implementation notes and code for a slightly different kind of a CPU featuring a novel token machine that resolves an 8-bit token to...
View ArticleStrangeCPU #2. Sliding Window Token Machines
Summary: An in-depth exploration of Sliding Window Token Machines; ARM notes. Table of Contents: Part 1: A new CPU - technology review, re-examination of the premises; StrangeCPU concepts; x86 notes....
View ArticleStrangeCPU #3. Instruction Slides - The Strangest CPU Yet!
Summary: Decoding instructions with a Sliding Window system. 0-Bit Sliding Register Windows. Table of Contents: Part 1: A new CPU - technology review, re-examination of the premises; StrangeCPU...
View ArticleStrangeCPU #4. Microcode
Summary: Sliding windows containing runs of microcode. Table of Contents: Part 1: A new CPU - technology review, re-examination of the premises; StrangeCPU concepts; x86 notes. Part 2:...
View ArticlePicoBlaze - Program RAM Access for an Interactive Monitor
I have a confession to make: I love PicoBlaze! There are many reasons to love it. It is a tiny CPU (96 Spartan3 slices or 26 Spartan6 slices plus a BRAM). It is simple. It is bug-free. It's pretty...
View ArticleMyHDL FPGA Tutorial II (Audio Echo)
Introduction This tutorial will walk through an audio echo that can be implemented on an FPGA development board. This tutorial is quite a bit more involved than the previous MyHDL FPGA tutorial....
View ArticleHow to start in FPGA development? - Some tips
Introduction The aim of this tutorial is to show some useful tips for people like me that one day started from zero to work with FPGA's. Why FPGA's? Because they are easy to use and they are not too...
View ArticleMyHDL FPGA Tutorial II cont. (Echo, Audio Interface)
Introduction To demonstrate the echo on an FPGA board an interface to an audio ADC/DAC chip will be used. The following will explain the connection to the audio codec and the HDL module used to...
View ArticleHow to start in FPGA development? - Simulation software tools
Introduction This post is related to the first post How to start in FPGA development? - Some tips which aimed to show other options to work on the simulation of your project. In this first approach...
View ArticleMyHDL Resources
MyHDL Resources If you are interested in getting started with MyHDL (digital hardware description in Python) there are many resources available. Below is a list of MyHDL resources, including some of...
View ArticleMyHDL ... MyPWM
The PWM topic appears to be popular lately on the fpgarelated site. This is coincidence, but I typically find the topic of modulating and demodulating signals interesting. For digital systems it is...
View ArticleLearning VHDL - Basics
Since FPGA are becoming more accessible to the hobbyist, learning how to use them can be really useful for certain applications, like DSP and video generation; moreover, engineers that are able to code...
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