Have you ever tried to model a bidirectional switch in VHDL ? Since drivers in VHDL are unidirectional the task can become quite challenging. ... [Read More]

If you have been doing hardware design using Verilog and/or VHDL, and use VHDL to build testbench, I think you will agree with me, that it is nice if you can refer to any signal in any module beneath the testbench module similar to what Verilog can do. ... [Read More]

It is always said that dealing with floating point numbers is slow. So slow that if precision can be compromised and speed is more important, programmers will use integers instead. Integers ? yes ! But how will you deal with fractions then ? The answer is fixed point arithmetic. ... [Read More]

Have you ever thought how your calculator computes the result when you press the "1/x" button ? and have you ever thought how your computer computes the reciprocal ? ... [Read More]