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Steam
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ASTRA-256 Assembler PC Steam CD Key

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Release date: 21/10/2025

ASTRA-256 — A BINARY VIRTUAL MACHINE PROGRAMMED IN ASSEMBLER

Step into the era of early computing and feel like a real engineer from the past. ASTRA-256 isn’t just a computer — it’s a complete educational environment where you write real Assembler code for a virtual von Neumann architecture machine.

LEARN BY PLAYING

ASTRA-256 is:

  • An interactive simulator for learning Assembler from scratch.
  • A logic puzzle for those who love “real” programming.
  • A nostalgic time machine for veterans of the LPG-30, Altair 8800, and PDP-11.

This is the kind of machine pioneers of computing once used to solve real problems — under tight resource constraints, just like in the 1970s.

WHAT CAN ASTRA-256 DO?

  • 8-bit processor with accumulator and visible registers: IP, IN, OUT, SP, FLAGS.
  • 256 bytes of memory — just like the original Altair 8800 released in 1975 with the Intel 8080.
  • 75 instructions grouped by purpose: control flow, data movement, arithmetic, stack, I/O, and more.
  • Lessons and documentation in five languages — printable, just like in the good old days.

Start with simple programs and progress to complex algorithms: square roots, trigonometry, even mini-games.

ASTRA-256 runs on a custom Assembler designed specifically for this environment. We intentionally offer an extended instruction set — similar to what you’ll find in modern microcontrollers and processors.

It’s a hands-on way to gain foundational experience with low-level hardware logic — the kind that prepares you to work with any modern microcontroller. The principles haven’t changed.

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