Add multilingual language and systems learning tracks

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+<!doctype html><html lang="en"><meta charset="utf-8"><title>BASIC on 6502, Z80, and modern hosts</title><h1>BASIC on 6502, Z80, and modern hosts</h1><p>15-minute session: read for 3 minutes, trace for 3, experiment for 7, and complete the check for 2. Spend longer whenever you need.</p><p>A BASIC dialect belongs to an interpreter or compiler, not directly to a CPU. Classic 6502 and Z80 systems often provided different BASIC dialects and device commands. Separate portable arithmetic from machine-specific graphics, PEEK/POKE addresses, and file commands. Port a three-line greeting by consulting the target dialect manual. In this lab Bywater runs on Linux; it does not emulate either historical machine.</p><h3>Practice and evidence</h3><p>Keep three notes: your prediction, the actual result, and why they match or differ. The completion check grades understanding; the practice task builds skill.</p><p><a href="https://www.intel.com/content/www/us/en/developer/articles/technical/intel-sdm.html">Language reference: www.intel.com</a></p><p><a href="https://developer.arm.com/Architectures/Learn%20the%20Architecture">Language reference: developer.arm.com</a></p><p><a href="https://docs.riscv.org/">Language reference: docs.riscv.org</a></p></html>