| Building an RS-232 Port into the 2050 Modem |
Step-by-step guide to installing the Zebra RS-232 circuit board inside the TS2050 modem case with a 3PDT switch for selecting between modem and RS-232 modes. Includes wiring diagrams, pin assignments for a Xerox Memorywriter connection, and BASIC software for driving the printer via the RS-232 port. Uses DS14C88/DS14C89 CMOS driver chips to reduce heat. |
Timex/Sinclair 2068 |
| Garland |
A TS2068 BASIC program that draws intricate floral patterns using polar-coordinate equations. Based on mathematical equations from Oleg D. Jefimenko’s 4/86 article, the program draws overlapping circles with petals using adjustable parameters for number of flowers, petal count, radius, step sizes, and curve factor. Author recommends saving with SCREENS. |
Timex/Sinclair 2068, Type-in program |
| March PUG Joint Meeting Report |
Report on the first joint meeting of Bay Area, Sacramento, and San Joaquin Valley Timex/Sinclair user groups (March 15, 1987). Notes discussion of a possible T/S Fest in the Bay Area in 1988, announcement of the Merced Group BBS running on a 2068, and demonstration of Bob Orrfelt’s corrected and updated 2068 EPROM. |
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| PC8300 ZX81/TS1000 Clone Hardware Examination |
Detailed physical and electrical examination of the PC8300 TS1000 clone from American Design Components. Covers case dimensions, keyboard (42 keys), chip complement (Z80 CPU, c4005 ULA, AMI 8444 ROM, TMM 2216 RAM), external bus compatibility with ZX81/TS1000, and the author’s repair experience after accidental reverse-polarity power damage. Notes machine code programs cause a looping problem. |
Lambda 8300, Timex/Sinclair 1000 |
| Spectera-64 V4.1 Terminal Program Review |
Review of Spectera-64 version 4.1 for the TS2068, highlighting 1200 baud capability, 64-column display without hardware add-ons, and a 7K programmable overlay area. Notes the overlay system allows adding auto-dialers, RLE decoders, and other utilities. Cautions that 1200 baud requires an RS-232 interface rather than the TS2050 modem. |
Timex/Sinclair 2068 |
| TimeLinez in Transition |
Editorial announcing Walt Gaby’s handover of the Managing Editor role to Norm Lehfeldt after two years. Notes that Mockridge produced this interim April issue due to the volume of arriving articles and the timing of the transition. |
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| Timex/Sinclair BBS in San Mateo |
Announces the launch of a TIMEX/Sinclair Special Interest Group (SIG) on the LogOn Unlimited BBS in San Mateo, CA (415-571-6911). Describes upload/download capabilities for 2068, Spectrum, and QL software, plus plans for ZX81/TS1000/TS1500 files. Explains the message base system, access registration, and relationship to other LogOn boards. |
Sinclair QL, Timex/Sinclair 1000, Timex/Sinclair 2068 |
