4 ms·

I wonder how the Kernal writers decided on the two-pulse-per-bit scheme. They must have been targetting some awful hardware (or low quality tape media, I suppos

• raphlinus 8y ago
  And modern alternatives (for example c2t, which is for Apple II) can achieve even much higher data rates. I prototyped an encoding that packs 4 bits per pulse, achieving 23kbps but not reliably. One difference, though, is that this is designed for output from a modern digital sound interface, not designed to withstand degradation from analog tape recorders. https://groups.google.com/forum/#!topic/comp.sys.apple2/qXZyIZ9hO3s https://groups.google.com/forum/#!topic/comp.sys.apple2/qXZy...