Welcome to SHIFT838
This site is dedicated to supporting the Texas Instruments TI-99/4A, Myarc Geneve 9640, Atari, Amiga and other home computers. Explore software downloads, project archives, newsletters, and connect to Heatwave BBS using Telnet.
Heatwave BBS Access
Connect via Telnet: heatwave.ddns.net port 9640
Latest Updates
Site last updated: February 28, 2026- 3D Print Cost Calculator
- TI-99 Character Remapper / Pattern Editor
- TI-99 Sprite Designer
Added new SHIFT838 Tools sections with: