PDP-8-E Simulator
PDP-8-E Simulator
2.3.1
5.0
0.0
PDP-8-E Simulator free download for Mac

PDP-8-E Simulator

Version 2.3.1

Apple Mac DEC PDP-8/E emulator.

PDP-8-E Simulator overview

PDP-8/E Simulator is an emulator for the DEC PDP-8/E minicomputer running on the Apple Mac. The simulated machine is a PDP-8/E with 4K words of memory and optionally a KM8-E Memory Extension (with up to 32K words of memory) and a KE8-E Extended Arithmetic Element. I/O devices are implemented as plugin modules, and plugins for an ASR 33 Console Teletype, an ASR 33 Auxiliary Teletype, a PC8-E High Speed Paper Tape Reader and Punch, a RK8-E Disk Cartridge System, a LP8-E Line Printer and various types of Real Time Clocks are included in the distribution of the simulator. There is also a KC8-EA Programmer´s Console plugin enabling the user to operate the simulator (nearly) like a hardware PDP-8/E, including single step execution on memory cycle level.

What’s new in version 2.3.1

Updated on Dec 15 2021

Version 2.3.1
  • Due to improved emulation of the TC08, the PDP-8/E Simulator now runs POLY BASIC (DECUS 8-195): the DECtape stops when an error (except parity) occurs and writing to the tape is inhibited when the DECtape flag is still set at the beginning of a block.
  • Additionally small adjustments for macOS 12 "Monterey", Xcode 13 and the macOS 12 SDK and some minor bug fixes and optimizations.
  • Full list of changes available here.

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    Phoenixdownunder
    Phoenixdownunder
    Dec 9 2019
    2.2
    5.0
    Dec 9 2019
    5.0
    Version: 2.2
    This is a really cool piece of fun yet serious software! Brilliant. Ahhh, thems was the days!!
    arizdave
    arizdave
    Dec 9 2019
    2.2
    5.0
    Dec 9 2019
    5.0
    Version: 2.2
    Great memories. I am an alumnus of MIT and was one of the "8E" electronic designers working out of the "mill" in Maynard MA in the "60's". All us engineers and DEC President Ken Olsen were ahead "of the curve" back then.
    Whisperquiet
    Whisperquiet
    Nov 6 2015
    2.0.2
    5.0
    Nov 6 2015
    5.0
    Version: 2.0.2
    Just fantastic! Brings back so many memories for me with Digital :o)
    Aaron-Elkins
    Aaron-Elkins
    Dec 9 2014
    2.0
    5.0
    Dec 9 2014
    5.0
    Version: 2.0
    How cool it is.
    Dylan-Mc
    Dylan-Mc
    Dec 9 2014
    2.0
    5.0
    Dec 9 2014
    5.0
    Version: 2.0
    This is an amazing resource - the PDP-8 was a real computer, but simple enough to comprehend. It was commonly used in "machine structures" curricula while those machines survived. Now they're really hard to find (I see one exactly like pictured here, in very poor condition, on eBay for $5,000), so it's great to have this simulator available. I think I'll work on a lesson plan or two based on this amazing tool. If you're curious about learning more - this hilarious video is a good place to start: http://acad.depauw.edu/dharms_web/pdp11/
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