Discussion about the ZBasic language including the System Library. If you're not sure where to post your message, do it here. However, do not make test posts here; that's the purpose of the Sandbox.
The attached program works correctly for installer 3.4.1 but not for 3.4.4 using a ZX-24su. 8-bit PWM is fine but 16-bit has a problem. I only tested 16-bit PWM channels 1 and 2.