Resources (Sync v2 n3)
Listing of new user groups, books and other resources.
Resources (Sync v2 n3) Read More »
Timex/Sinclair 1000
Understanding Floating-point Arithmetic, Part 2
Describes the workings on the ‘third language’ of the 8K ROM – the CALCULATOR LANGUAGE – that is used to add, subtract, multiply, divide and generally manipulate floating-point numbers.
Understanding Floating-point Arithmetic, Part 2 Read More »
Try This
Get a small AM radio and tune it for best response. Then press RUN and NEWLINE. Note the sound as you press NEWLINE. The display may be ignored.
The Complete Sinclair ZX81 Basic Couse
Review of book/tapes by the same title.
The Complete Sinclair ZX81 Basic Couse Read More »
ZX81 Chess vs. ZX Chess II
Computer chess is becoming a very popular hobby for those who cannot find opponents on their level, and a large number of ”dedicated” machines are appearing with increasingly greater strengths. Another area of growing popularity is designing a chess program which is more powerful (i.e., a better player) than other chess programs. Two powerful chess
ZX81 Chess vs. ZX Chess II Read More »
An Assortment of Sorts
Several sorts implemented for the 1000: bubble, float, shell and quick sorts.
An Assortment of Sorts Read More »
ZX/TS ROM and RAM Addressing
Investigation into PEEKing and POKEing outside the 16K-32K address range and how to use a 74LS138 to decode RAM in the 16-32K range.
ZX/TS ROM and RAM Addressing Read More »