... Meaning Comments -Unary Minus/Negation -xResult: negates x. Same result all round. -Binary Minus/Subtraction x-yResult: a numeric value resulting from y being subtracted from x. Same result all round. +Addition x+yResult: a numeric value r ...
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Home Hardware Peripherals Software Publications Projects A Comparision of Keywords on the BBC Micro (Models A & B),the Acorn Electron and the ZX Spectrum Overview The following is a list of keywords, operators and delimiters used on the BBC ...
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Home Hardware Peripherals Software Publications Projects A Comparision of Keywords on the Dragon 32/64, TRS-80 Color Computer and the ZX Spectrum Overview The following is a list of keywords, operators and delimiters used on the Dragon 32/6 ...
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... ime. The ZX80 is unique in that it use a mixture of both. Most of the statements and functions are obtained by pressing a single key (or a single key shifted), but a few of these are typed in character by character. These are called the Int ...
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... ord Meaning Comments -Unary Minus/Negation -xResult: negates x Same on both micros. -Binary Minus/Subtraction x-yResult: a numeric value resulting from y being subtracted from x. Same on both micros. +Addition x+yResult: a numeric value res ...
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Home Hardware Peripherals Software Publications Projects A selection of routines for the ZX80 which simulate ZX Spectrum functions Overview A suite of routines for converting ZX Spectrum statements to work on the ZX80. FOR..NEXT loop with S ...
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... from line x to line y.Result iii) Delete program lines from start of program to line y. DELETE is obtained by pressing CAPS-SHIFT and 0 whilst in 'K' mode.Many machine code programs exist to give the equivelent of DELETE on the ZX Spectrum ...
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... ord Meaning Comments -Unary Minus/Negation -xResult: negates x Same on both micros. -Binary Minus/Subtraction x-yResult: a numeric value resulting from y being subtracted from x.Note: On the QL only either or both x and y can be numeric str ...
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Home Hardware Peripherals Software Publications Projects Comparison of BASIC Keywords Between ZX Spectrum and the Commodore 64 Overview The following is a list of keywords, operators and delimiters used on the Commodore 64 computer and the ...
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... use CLS instead VDU 5 - moves cursor up one pixel line* - no ZX Spectrum control code available, subtract one from the value stored in memory location 23678 to move the graphics cursor up VDU 6 - moves cursor down one pixel line* - no ZX S ...
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... Null Not on the Spectrum. To move the PLOT position by a relative amount on the Spectrum, one must obtain the current PLOT position from the system variable COORDS, x and y may then be added on. COORDS can be found at memory locations 23677 ...
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... ed the operation of the original ULA and showed how its functions could be reproduced using easily obtainable logic chips rather than the custom ULA itself. The interest eventually moved beyond home-built projects and into commercial produc ...
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... eview considered the Touchmaster useful for tracing artwork and selecting on-screen options, but doubted that it could replace the keyboard in practice. 5 £149.95 5 The Your Spectrum issue 11 review lists the Touchmaster graphics tablet at ...
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... quired key on its own, in conjunction with the CAP SHIFT or SYMBOL SHIFT keys, or both together to obtain extended mode. Since some keys were used more than others, naturally some keys would wear out quicker than others, especially the BREA ...
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... e official £20 upgrade Sinclair Research also provided existing 48K Spectrum owners with a way of obtaining the new keyboard without purchasing another computer. The official Spectrum Upgrade Kit was advertised at £20 and allowed a workin ...
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