Interface 1bis file not found error

Purchased Interface 1 bis for the ZX Spectrum. There are plenty information about it and installing and preparing SD card on manufacturers site https://sites.google.com/site/interface1bis/ But I have encountered a problem – could not start it and was allways getting “file not found” error.Did all steps described in troubleshooting video https://www.youtube.com/watch?v=QYHhWQyVWAU Loaded OpSys from PC using LOAD command, program loads OK. But when I do NEW and […]

Some links for ZX Assemlby programming

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/ Group in FB dedicated for Z80 assembly programming:https://www.facebook.com/groups/z80asm/ WOS forum link:http://www.worldofspectrum.org/forums/categories/assembler Another forum (ru):http://zx-pk.ru/forums/14-programmirovanie.html Some more books (ru):http://vtrdos.ru/