Another version of the Octode routine, this time with pulse-interleaving synthesis instead of pulse frequency modulation. It's quite noisy, perhaps 8 channels of square wave sound is a bit too much for the Speccy beeper...

download: https://github.com/utz82/ZX-Spectrum-1-Bit-Routines/blob/master/octodepwm.zip?raw=true (includes XM converter)
source: https://github.com/utz82/ZX-Spectrum-1-Bit-Routines/tree/master/octodepwm
7d7e release thread: http://randomflux.info/1bit/viewtopic.php?id=39

7days7engines Day 5: Octode PWM test1

1-bit fanatic, sound driver coder, calculator abuser, binary modulation researcher

7days7engines Day 5: Octode PWM test1

irrlicht project