Making games in ZX Spectrum assembly book ( russian lang.):http://zxpress.ru/book.php?id=2 How to write ZX Spectrum games tutorial in English:https://chuntey.wordpress.com/2012/12/18/how-to-write-zx-spectrum-games-chapter-1/ Spectrum ROM routines:http://skoolkit.ca/disassemblies/rom/asm/2852.html Z80 instruction set:http://clrhome.org/table/ […]
As recently I started tinkering with ZX Spectrum hardware, tested one old joystick I had. Up and right positions did not work during the games. […]
So, this ZX spectrum was alive, but during testing with some games (for example game “Breakthrough”), I noticed strange video glitch in upper screen part: […]
Maybe I got carried away.. but here is another non working rubber keyboard ZX Spectrum I got (s/n D01-257600). Its interesting regarding those serial numbers, […]
Another was ZX Spectrum+ 48K (s/n S01-135100). After turning it on could not see clear image (sorry did not take image of that picture). When […]
Going back into retro computing. Recently got little bit nostalgic and purchased two used non working ZX Spectrum machines. One was 16K, SN 001-201230. Tested […]
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