3
« on: December 11, 2016, 04:41:59 »
Is true for NES/Famicom triangle wave having no volume controls, but due to the nonlinear mixing you can fake it by setting the DPCM channel to a fixed level (you can reduce the volume to half by setting the DPCM channel to maximum), but the noise channel will then also be affected, and clearly is not as good if you want to use the DPCM channel to play DPCM samples. (I know Famicom programming, so I would know these kind of things.)
Some programs to make module music might also have triangle waves built-in; specifically AmigaMML does (enter "#V" as the filename of the instrument to get a triangle wave; you can also use "#L" for square waves and "#N" for saw waves), and there may be others too but that I don't know about. I know OpenMPT allow you to draw a waveform by mouse but the drawing will then not be perfectly, so writing it using an external program probably would be working better anyways.
You can try to feel about triangle wave if you have many music that is using it (you can look for some NSF musics that might use it perhaps, although module musics using triangle waves also exist, but I don't know how you would search for such thing easily).