Syntax/Syntax ZX80 v2 n7

Volume: 2
Issue: 7
See all issues of Syntax

Articles

TitleDescriptionComputers
[These SYNTAX readers would like to hear ...]Readers from Kentucky, Nevada and Ontario.
4K RAM Units Available SoonStatic Memory Systems will sell 4K RAM packs for ZX80s and MicroAces.MicroAce, Sinclair ZX80
Annotated 4K ROM: LOAD RoutineAssembly for the 4K ROM’s LOAD routine. LOAD begins in ROM location 0206H, or 518d.Sinclair ZX80
Beginners - Analyzing the ProblemThe first step in solving a problem with a computer is analyzing how you would solve it without one.Sinclair ZX80, Sinclair ZX81
Beginners' Dimensioned ArraysAlthough BASIC uses simple English commands, the DIM statement is one of those that takes a little explanation.Sinclair ZX80, Sinclair ZX81
Dear EditorLetters with improvements programs; corrections; math error in 8K ROM; converting 4K ROM programs to 8K ROM; ZX80 users online.
Full Annotated 4K ROM ListingSinclair’s complete 4K ROM listing with original designer’s annotations will be available from SYNTAX by August.Sinclair ZX80
Loan Amortization ScheduleProgram gives you monthly payments and loan amortization information.Sinclair ZX81, Type-in program
Machine Language Programming - Logical FunctionsDifferences between 4K and 8K ROMs can be overcome with machine language.Sinclair ZX80, Sinclair ZX81
Maze OptionsOtis Imboden’s 2-line Maze-O-Graphics inspired several readers. Here are their 4K ROM maze improvements , offering different methods.Sinclair ZX80, Type-in program
News from MicroAceMicroAce plans to sell plug-in 16K RAM boards with 3 extra connector slots. The extra connectors will be 50 pin, not 46 (as the rear edge connector is), because of the unavailability of 46 pin plugs. MicroAce is still without a full-time manager, but Bill Clark, engineer, is serving temporarily until they find a full-timer.MicroAce
Publications GuideLists over 350 computer, technology, electronics, and business magazines, newsletters, and report/database services.
Sinclair to Replace Faulty 8K ROMsA new ROM supplier produced 8K ROMs with a bug, and Sinclair has stopped shipping until a supply of perfect ROMs arrives.Sinclair ZX80
Syntax Error
The ZX80 CompanionReview of the book published by LINSAC.Sinclair ZX80
Writing Game ProgramsHow do you start writing game programs?Sinclair ZX80, Type-in program
ZX80 Check BookProgram records up to 10 transactions at a time. Keep them on file by storing the program with the variables intact.Sinclair ZX80, Sinclair ZX81, Type-in program
ZX81, Sinclair Printer NewsSinclair has submitted the ZX81 to the FCC for approval for sale in the US. Nigel Searle of Sinclair expects to ship American ZX81s this year, maybe September.Sinclair ZX81, Timex/Sinclair 1000