See all articles from T-S Horizons n8
Although the ZX81 (TS-1000) does not have a SOUND command included in its BASIC language, it is possible to make sound with it, and this article tells how.
The sound generated by this program is available at the MIC jack for recording with your cassette recorder, amplifying with a mini amplifier, or monitoring with an earphone. It can also be heard over your TV by turning up the volume.