Summing Up the 1500
ROM checksum value, for comparison to other models.
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Timex/Sinclair 1500
Machine Code Group Highlights
Presentation and discussion led by Dave Wood about changes to 1500 ROM.
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Buffering the Data Bus
Update on article in prior issue; notes that TS 1500 uses 74LS245 octal transceiver chip to buffer bus.
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Highlights of the Last Meeting
Sue Mahoney opened the meeting with an update on the status of the new Timex computers. She said the TS-1500 and the TS-2000 series would be shipped to the distributors in August. The TS-1500 is an upgraded version of the TS-1000. It has movable keys and 16K of built-in RAM memory. Sue said she has
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The TS-1500
Timex announced that the TS-1500 will also feature solid-state cartridge software and 8-bit bank switching to give 64 megabytes of addressability—like the TS-2000 series.
The Logical Operators
Reprint of Sharon Zadetto Aker article from Sync about using logical operators to save time and memory.
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Dense Pack Basic, and the use of Logical Operators
There has been a considerable amount of questions and interest about Dense Pack programming techniques andt the use of Boolean logic. This article written in 1983 by Sharon Aker merges nicely with my feeble attempts to explain the use of Boolean Logic in Basic programming.
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TS1500 A&J Microdrive Problem and Solution
Technique for bypassing a SAVE/VERIFY problem brought about by the combination of a TS 1500, TS 1016 RAM and the A & J Microdrive.
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Some micros may die
It looks a little like the situation in the U.S., where the price war at the cheap end of the market has meant that both Texas Instruments and Atari computer operations are said to be running at a loss and sales of Times Sinclair machines have been sliding. The T/S problems led Sir Clive Sinclair
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The writing on the wall
It is a widely-held belief that whatever happens in the United States will, sooner or later, happen on this side of the Atlantic If that is so, we must view with some anxiety the sudden withdrawal of Timex from the home computer market in the U.S, a withdrawal announced with a somewhat ominous prediction from
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