Syntax/Syntax ZX80 v4 n9

Volume: 4
Issue: 9
See all issues of Syntax

Articles

TitleDescriptionComputers
Better ScrollingTechniques to improve scrollig.Sinclair ZX81, Timex/Sinclair 1000, Type-in program
Cheap PowerSurplus power supplies can double a ZX/TS's load capabilities.Sinclair ZX81, Timex/Sinclair 1000
ClarificationWinky Board manufacturer Gerry Russell says the SAVE filter feature should be used only if high frequency RAM pack noise prevents SAVEing.Sinclair ZX81, Timex/Sinclair 1000
Dear EditorCleaning the ZX printer; secure the slot key in expansion devices; printing problems with joystick; avoid power supply related crashes; test tape head alignment.Sinclair ZX81, Timex/Sinclair 1000, Type-in program
DistanceComputes the shortest distance and true bearing from any point on the earth's surface to any other location.Sinclair ZX81, Timex/Sinclair 1000, Type-in program
Hidden REMsUse this trick to hide information in your REM statements.Sinclair ZX81, Timex/Sinclair 1000, Type-in program
MC Inkey$ SubroutineMachine code routine returns the CODE value of the key pressed to your BASIC program.Sinclair ZX81, Timex/Sinclair 1000, Type-in program
Memotech, Printer Incompatibility SolvedMemotech reports the cause of Memopak/TS2040 printer incompatibility—3 unneeded printer capacitors (C4-C6).Timex/Sinclair 1000
Memotext Word ProcessorReview of Memotech's word processor.Sinclair ZX81, Timex/Sinclair 1000
Network Interface for SpectrumSinclair Research announces the ZX Interface I, enabling 64-machine, 100 Kbaud local area networking and modem transmission.Sinclair ZX Spectrum
New Products and Services (Syntax v4 n9)New products from Matthew Zenkar, SyncMaster, John Carson, I.M.S. Enterprises, Banta Software, ZX-Panding, Syber Inc., KSOFT, E-Z Key.
Program Access Security SystemShort machine code program prevents program access without a code after you LOAD your program.Sinclair ZX81, Timex/Sinclair 1000, Type-in program
Program ImprovementSAVE CHR$ USR 832 “program name” works very well to save my unSAVEable programs (SYNTAX Jul.83 p.6). But the short time interval between LOAD and SAVE (about five seconds) prevents changing tapes to SAVE the program, as the author suggests.Sinclair ZX81, Timex/Sinclair 1000
Rhythm-FunTeaches basic rhythm timing and sight reading for quarter notes.Sinclair ZX81, Timex/Sinclair 1000, Type-in program
Syntax ErrorsCorrection to Return on Investment.Sinclair ZX81, Timex/Sinclair 1000
TS1500 RAM TroubleIndustry sources inform SYNTAX that testing of several RAMs—Memotech, Byte-Back, Gladstone, Persona, and D'ktronics—shows they will not work with current TS1500 demos.Timex/Sinclair 1500
TS2068 UpdateTS2068s may grace your mailboxes by the end of September. Timex says Reagan's FCC cuts delayed approval.Timex/Sinclair 2068
User Friendly Legal Advice, Part IIShould you sell or license your program?
Vendor Reports and NotesUpdates from Brainchild, Kopak, Paul Hunter.
ZIP-to-State, State-to-ZIPTechnique we used at SYNTAX to make sure our zip and state match in our mailing list.Sinclair ZX81, Timex/Sinclair 1000, Type-in program
ZX/TS Users' GroupsHollywood, CA: Timex Users Co-op, Charles Miller, 1223 N. Hoover St., Los Angeles, CA 90029. Ypsilanti, MI: Clive Norman, 554 Rosedale Rd., Ypsilanti, MI 48197. Dallas, TX: New contact person: Julie Barrett, 2624 E. Park Blvd., Plano, TX 75024, [phone number omitted]. Hagerstown, MD: Jr.
ZX81/Timex Programming in BASIC & Machine LanguageTakes up where your ZX/TS manual leaves off; the book assumes you know the basics of ZX/TS hardware and software.Sinclair ZX81, Timex/Sinclair 1000
ZXDIS DisassemblerReview of the program Scientific Software.Sinclair ZX81, Timex/Sinclair 1000