On: Transmits AM radio on computers without radio tran...

[siraben]

Anyone know if it would work on lower end microcontrollers like the Z80? I managed to use the TI-84+'s I/O port connected to a speaker to play simple tunes[0] using a Forth program I wrote[1], but maybe I can exploit the hardware to modulate AM frequencies?

[0] https://photos.app.goo.gl/EumYVgyfMN1ncwkQ7

[1] https://github.com/siraben/ti84-forth/blob/master/programs/m...

[isoprophlex → siraben]

I copied an assembly program off the net back in ~ 2000 that did AM audio on my TI83! So I'm positive it can be done..!

[siraben → isoprophlex]

Do you happen to have a link to it/recall the name? Sounds interesting!

[isoprophlex → siraben]

incredibly enough, it's still on the web!

https://www.ticalc.org/pub/83/asm/sound/

I think you want 'songplay.zip', as it includes an X-files tune. This is probably the one I remember... From the readme:

    Here is a small song player on the TI-83 (the first I think). This works with
    an earphone plugged in the link-port (a piezzo buzzer, etc), or with an AM radio...

[siraben → isoprophlex]

Thank you! Hopefully it can be adapted to run on the 84+.