Computers & Electronics (v21 n1) Date: January 1983 Volume: 21 Issue: 1 Read the issue See all issues of Computers & Electronics Articles Show all ZX80 MicroAce ZX81 TS 1000 TS 1500 TS 2000 TS 2048 TS 2068 TC 2068 ZX Spectrum QL Z88 TS 2050 TS 2040 Reference Type-in program Downloadable Hardware project Hardware review Software review Book review Tutorial Sinclair Timex Add-OnsTS 1000 Hardware review Memotech RAM add-ons, High-Resolution Graphics Pak, Centronics Parallel Printer Interface, RS232 Interface. Advertisers Data-Share ZETA Software Software Development Associates Spyder Electronics JPR Software, Inc.