DO LOOPS Computer
209 Maple Ave, Harleysville, PA 19438
Products
| Name | Description | Computers |
|---|---|---|
| TSPlus | Expansion system for the ZX81/TS1000. Included full keyboard. Additional features included direct video, battery backup, loading filters, expanded memory and STD Bus interface. No evidence that it was actually produced. | Timex/Sinclair 1000 |