This column announces any software, hardware and related modifications that are new or otherwise untested by us. If you have something of interest, we will announce it here. Send us a description of your product (keep it short). We advise readres to send a self addressed and stamped envelope, as a courtesy, to the individuals or companies for information.
G. Russell Electronics, RD1 Box 539, Centre Hall, PA 16828, (814) 364-1325, has the Delta disk interface (with parallel printer port) for the QL for $179.00 and 512K RAM plug in for $219.00.
Byte-Back Inc., RT4 Box 54, Leesville, SC 29070, (803) 532-5812, has a real time clock for the ZX81 and 2068. It is battery backed and contains an output latch for external interfacing purposes. It comes with software for the computer you specify. Write for their new catalog for prices.
Variety Sales, 325 W Jersey St. #20, Elizabeth, NJ 07027, (201) 289-5699, has Tech Draw Junior (joystick version) available for $18.99+$3.00p&h for the 2068. Write for their new catalog.
Chia-Chi Chao, 73 Sullivan Dr., Moraga CA 94556 has a Disk File Manager for the Aerco FD-68 disk system. It will copy and verify files even on a single drive system and gives detailed information on the directory and tracks of the disk. It is available for $16.00 on 5 1/4″ disk or on tape.
G. Russell Electronics, RD1 Box 539, Centre Hall, PA 16828, has new TS2068 Computers with the Romswitch installed for $159.00 ppd.
Larken Electronics, RR 2, Navan, Ontario, Canada, K4B 1H9, has a disk system for the 2068/Spectrum. It supports ss/dd drives; contains a relocatable operating system; 7 Basic commands and supports Basic, Machine code and Dim array saves & loads. It is available for $95.00(US) + $6.00 p&h.
Howard Sams & Co., 4300 W. 62nd. St., Indianapolis, IN 46268, (317) 298-5400, has a Computerfact package for the ZX81 (packs for other computers and peripherals too), which contains technical information designed for servicing these computers. The pack contains an original schematic, timing guidelines, oscilloscope outputs from various pins and more. It is available for $19.95. Call 1-800-428-SAMS.
Fred Nachbaur, Mtn. Stn. Group Box C-12, Nelson, BC V1L 5P1, Canada, (604) 354-3858, has finished the JO Basic, which gives the Video Upgrade (SWN2/1, 2/2) Hi-Res and Sprite control over the TMS9918 co processor. This extended Basic includes much more and is available for $29.95.
Lemke Software Development, 2144 White Oak, Wichita, KS 67207, has Pixel Sketch & Graphics Editor 2.0 available for the 2068. It has 64 column mode and screen dump to a large printer capability. The cost is $19.95, but if you have version 1, then the upgrade is $10.95.
E. Arthur Brown, 3404 Pawnee Dr., Alexandria, MN 56308, has Hacker’s Handbook for those interested in communications for $16.95. The 32K Non-Volatile Ram is available for $109.95. Halon fire extinguishers (won’t destroy your computer equipment if sprayed) are also available and come in 2 sizes. 1 lb. for $14.95 and 2 lb. for $29.95.