Compiler Comparison. Written by David Barker. This article compares Swordfish ROM and RAM usage, together with program execution speed, against a number of BASIC and C compilers.
Direct Digital Synthesis (DDS). Written by Jack Smith. A DDS generates its output by computing the value of the desired sine wave (or other waveform, as DDS is not limited to sinusoidal waveforms) at specific time intervals and then sending the value to a digital-to-analog converter.