A message from our CEO about the future of Stack Overflow and Stack Exchange. Read now.
2

The mysterious "T" is CPU clock tick, as mentioned above, and it figures as a "non-dividable time quantum" on this computer. When you need to do something with perfect timing (e.g. audio generation), you had to compute how much ticks your routine takes (each instruction takes a known amount of T). It is very painful, but because ZX Spectrum has no HW timers, ...


Only top voted, non community-wiki answers of a minimum length are eligible