PDP-8/E Simulator

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PDP-8/E Simulator
Software Details:
Version: 2.0.2 updated
Upload Date: 3 Dec 15
Developer: Bernhard Baehr
Distribution Type: Freeware
Downloads: 5
Size: 9469 Kb

Rating: 0.0/5 (Total Votes: 0)

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The PDP-8/E Simulator is an emulator for the Digital Equipment Corporation PDP-8/E minicomputer, a famouse computer of the early 1970 years. The simulator, first released 1994, provides a comfortable user interface for running, writing and debugging PDP-8 software on a Mac and to learn about the internal functioning of a computer. It has a console with switches and flashing lights enabling the user to operate the PDP-8 like a hardware machine. Maybe the simulator is of interest for a larger audience using it for educational purposes or as a remembrance to the good old time of the computer age. The simulator and its source code are published under the GNU General Public License.

What is new in this release:

Version 2.0.2 contains some visual adjustments for OS X 10.11 "El Capitan", especially for the memory view and the memory inspector of the CPU window.

What is new in version 2.0.1:

This is the final version 2.0 of PDP-8/E Simulator, a Cocoa based reimplementation of the classic Mac OS and Carbon based version 1.x, retaining the proven PDP-8/E emulation engine.

With version 2.0.1, the ASR 33 Teletype now correctly recognizes the ESC key as ALTMODE. Additionally, three very minor visual glitches were fixed.

Some highlights of the new version compared to the old implementation:

  • Photo realistic KC8-EA console (thanks to high quality photos of the front panel from Gerhard Kreuzer (http://www.compuseum.at/)
  • ASR-33 Teletype with sound
  • Improved real time behaviour of the emulated PDP-8/E and the I/O devices
  • Improved and updated GUI, matching the current Apple Human Interface Guidelines
  • Future-proof code base using modern tools like Objective-C, Cocoa, XML, Xcode, OS X
  • Very simple plugin architecture for I/O devices thanks to Cocoa: writing a I/O device for the simulator is as easy as subclassing an Objective-C class
  • Running natively on Intel Macs (the old version used Rosetta emulation of PowerPC code): the emulated PDP-8/E now runs at least 100 times faster than a hardware PDP-8/E (on an 2.53 GHz MacBook Pro)
  • A set of useful PDP-8 software is included in the download

What is new in version 2.0:

This is the final version 2.0 of PDP-8/E Simulator, a Cocoa based reimplementation of the classic Mac OS and Carbon based version 1.x, retaining the proven PDP-8/E emulation engine.

Some highlights of the new version compared to the old implementation:

  • Photo realistic KC8-EA console (thanks to high quality photos of the front panel from Gerhard Kreuzer (http://www.compuseum.at/)
  • ASR-33 Teletype with sound
  • Improved real time behaviour of the emulated PDP-8/E and the I/O devices
  • Improved and updated GUI, matching the current Apple Human Interface Guidelines
  • Future-proof code base using modern tools like Objective-C, Cocoa, XML, Xcode, OS X
  • Very simple plugin architecture for I/O devices thanks to Cocoa: writing a I/O device for the simulator is as easy as subclassing an Objective-C class
  • Running natively on Intel Macs (the old version used Rosetta emulation of PowerPC code): the emulated PDP-8/E now runs at least 100 times faster than a hardware PDP-8/E (on an 2.53 GHz MacBook Pro)
  • A set of useful PDP-8 software is included in the download

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