In the previous tutorial we learned how to delay time using the wait for statement. We also learned about the process loop. We now know that if we let it, the process “thread” will loop within the process forever. But what if we want to do something just once at the beginning of the process?…
In the previous tutorial we learned that a process can be thought of as a program thread. We also learned that a wait; statement causes the program to pause indefinitely. But is there a way to make a program wait for any other time value than forever? If we remove the wait; altogether and try…
When learning a new programming language, I always like to start by learning how to print. When you master outputting “Hello World!”, you know that you’ve got the environment working. It also shows you the basic skeleton of the language, the bare minimum code required to produce any output. You might be thinking: but VHDL…
Although VHDL and FPGA tools are often very expensive, it is easy to access state-of-the-art software for free if you are a student. There are several simulators, editors, and IDEs for working with VHDL. This article shows you how to install two of the most popular programs used by VHDL engineers. VHDL simulator Siemens EDA’s…
In short, VHDL is a computer language used for designing digital circuits. I use the term “computer language” to distinguish VHDL from other, more common programming languages like Java or C++. But is VHDL a programming language? Yes, it is. It’s a programming language that is of no use when it comes to creating computer…
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