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Sinclair ZX81

Known as: Timex Sinclair 2040, ZX-81, Zx81 
The ZX81 is a home computer produced by Sinclair Research and manufactured in Scotland by Timex Corporation. It was launched in the United Kingdom in… 
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Papers overview

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1985
1985
Eleven statistical programs for Timex/Sinclair 1000, 1500, and ZX8l microcomputers are listed and described in a 167-page book… 
1983
1983
This chapter provides two kinds of subroutines for a ZX81 Assembly Language programmer. The first kind uses the ROM calls… 
1983
1983
This chapter will illustrate some applications of the routines discussed in Chapter 8 and point out some interesting assembly… 
1983
1983
Hofstadter is not a pessimist on the subject of progress in Artificial Intelligence, but he is aware of the difficulties involved… 
1983
1983
One of the themes of this book has been that the programmer who wants to do advanced work on the ZX81 will sooner or later be… 
1982
1982
Shift instructions allow the bits of a register, or memory byte, to be moved one bit place to the left, or to the right. There… 
1982
1982
1982
Schools and colleges could find the ZX81 very useful indeed. The small machine does not suffer from the inconveniences which so… 
1982
1982
The microprocessor in the ZX81 has eight very powerful block instructions, which allow operations on blocks of consecutive memory…