The 8088 MPH demo, for example, pushed the PC Speaker pretty far: https://www.youtube.com/watch?v=yHXx3orN35Y
Using a sound card (read the comments)
Are you sure? https://www.reenigne.org/blog/8088-pc-speaker-mod-player-how...
Using a sound card (read the comments)
Are you sure? https://www.reenigne.org/blog/8088-pc-speaker-mod-player-how...