simh ☆
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Description:
Portable, multi-system simulator
Type: Formula  |  Latest Version: 3.12.2@0  |  Tracked Since: Oct 11, 2024
Links: Homepage  |  formulae.brew.sh
Category: Developer tools
Tags: emulator retrocomputing simulation history mainframe
Install: brew install simh
About:
SIMH is a portable, open-source simulator for historic computer systems, mainframes, and minicomputers. It allows users to run legacy operating systems and software on modern hardware, preserving and exploring computing history.
Key Features:
  • Emulates dozens of historic systems (e.g., PDP-11, VAX, IBM 1401)
  • Portable C codebase that compiles on many platforms
  • Active development and community-maintained device simulations
  • Supports loading original system tapes and disk images
Use Cases:
  • Running and studying legacy operating systems (e.g., OpenVMS, Unix v7)
  • Software preservation and historical computing research
  • Education in computer architecture and system history
Alternatives:
  • QEMU – Focuses on modern system virtualization; SIMH specializes in accurate emulation of obsolete architectures.
  • MAME – MAME focuses on arcade and consumer hardware; SIMH targets minicomputers and mainframes.
Version History
Detected Version Rev Change Commit
Oct 11, 2024 11:04pm 3.12.2 0 VERSION_BUMP bf152a91
Sep 14, 2024 9:40pm 3.12.2 0 VERSION_BUMP 030f0698
Dec 2, 2022 4:10pm 3.12.2 0 VERSION_BUMP 3f71da45
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