B Integer out of range

[oblo]

Thanks for the advices, LCD. After several weeks, this is what I achieved: <!-- m --><a class="postlink" href="http://www.megaupload.com/?d=KIAPM8UU">http://www.megaupload.com/?d=KIAPM8UU</a><!-- m -->
It's a first step but I want to improve and develop more and better games, so the next step is "Spectrum Machine Language for the Absolute Beginner"

Cheers