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Jeff 2016-11-13 16:11:52 -08:00 • committed by Jeff Parsons
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README.md
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@ -8,7 +8,7 @@ includes:
* [PCx86](/docs/pcx86/), an x86-based IBM PC and PC-compatible emulator * [PCx86](/docs/pcx86/), an x86-based IBM PC and PC-compatible emulator
* [PC8080](/modules/pc8080/), an 8080 machine emulator (e.g., [Space Invaders](/devices/pc8080/machine/invaders/), [VT100 Terminal](/devices/pc8080/machine/vt100/)) * [PC8080](/modules/pc8080/), an 8080 machine emulator (e.g., [Space Invaders](/devices/pc8080/machine/invaders/), [VT100 Terminal](/devices/pc8080/machine/vt100/))
* [C1Pjs](/docs/c1pjs/), an emulation of the 6502-based [Ohio Scientific Challenger 1P](/devices/c1p/) * [C1Pjs](/docs/c1pjs/), an emulation of the 6502-based [Ohio Scientific Challenger 1P](/devices/c1p/)
* [PDPjs](/modules/pdp11/), a PDP-11 machine emulator currently in development (e.g., [PDP-11/20 and PDP-11/70](/devices/pdp11/machine/)) * [PDPjs](/modules/pdp11/), a PDP-11 emulator currently in development (e.g., [PDP-11/20 and PDP-11/70](/devices/pdp11/machine/))
All PCjs machine simulations are written entirely in [JavaScript](/modules/). No Flash, Java or other plugins are All PCjs machine simulations are written entirely in [JavaScript](/modules/). No Flash, Java or other plugins are
required. Supported browsers include modern versions of Chrome, Safari, Firefox, Internet Explorer (v9.0 and up), Edge, required. Supported browsers include modern versions of Chrome, Safari, Firefox, Internet Explorer (v9.0 and up), Edge,

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_config.yml
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@ -6,7 +6,7 @@ description: >
Welcome to PCjs, home of the original IBM PC in a web browser. Welcome to PCjs, home of the original IBM PC in a web browser.
PCjs provides a variety of computer emulators written in JavaScript, including PCx86 for x86-based machines PCjs provides a variety of computer emulators written in JavaScript, including PCx86 for x86-based machines
(up through the 80386), C1Pjs for the 6502-based Ohio Scientific Challenger 1P, PC8080 for 8080-based machines (up through the 80386), C1Pjs for the 6502-based Ohio Scientific Challenger 1P, PC8080 for 8080-based machines
such as Space Invaders and the DEC VT100 Terminal, and PDPjs for PDP-11 machines from the PDP-11/20 to the PDP-11/70. such as Space Invaders and the DEC VT100 Terminal, and PDPjs, a PDP-11 emulator.
PCjs also provides an archive of selected historical PC software, publications, and reference materials. PCjs also provides an archive of selected historical PC software, publications, and reference materials.
baseurl: "" # "/pcjs" when using http://jeffpar.github.io or "" when using http://www.pcjs.org baseurl: "" # "/pcjs" when using http://jeffpar.github.io or "" when using http://www.pcjs.org
url: "http://www.pcjs.org" # "http://jeffpar.github.io" or "http://www.pcjs.org" url: "http://www.pcjs.org" # "http://jeffpar.github.io" or "http://www.pcjs.org"

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_posts/2016-10-06-introducing-pdpjs-a-pdp-11-emulator.md
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@ -22,10 +22,9 @@ PDP-11/70. From there, I'll work backwards to support other PDP-11 models, such
beginning of the PDP-11 line: the PDP-11/20. beginning of the PDP-11 line: the PDP-11/20.
I'm starting with the top-of-the-line PDP-11/70 largely because the core of the emulator is being adapted from the I'm starting with the top-of-the-line PDP-11/70 largely because the core of the emulator is being adapted from the
JavaScript [PDP 11/70 Emulator (v1.3)](http://skn.noip.me/pdp11/pdp11.html) written by JavaScript [PDP-11/70 Emulator (v1.3)](http://skn.noip.me/pdp11/pdp11.html) written by
[Paul Nankervis](mailto:paulnank@hotmail.com), who has generously given permission to use his code in PCjs. Paul Nankervis, who has generously given permission to use his code in PCjs. Since his emulator is a fully functional
Since his emulator is a fully functional 11/70, it made sense to start there and work backwards, neutering features 11/70, it made sense to start there and work backwards, factoring out features as needed.
as needed.
The code has already undergone a lot of refactoring. Opcodes are now decoded by function tables rather than a single The code has already undergone a lot of refactoring. Opcodes are now decoded by function tables rather than a single
switch statement, and every opcode is implemented with a discrete function. Other refactoring includes flag management, switch statement, and every opcode is implemented with a discrete function. Other refactoring includes flag management,

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_posts/2016-11-08-you-should-have-voted-for-the-pdp-11.md
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@ -57,9 +57,9 @@ And that's the extent of my testing, so if you try anything else and it doesn't
Better yet, fork the [PCjs Project](https://github.com/jeffpar/pcjs), debug the problem yourself, test a fix, Better yet, fork the [PCjs Project](https://github.com/jeffpar/pcjs), debug the problem yourself, test a fix,
and then send me a pull request. :-) and then send me a pull request. :-)
Finally, another shout-out to [Paul Nankervis](mailto:paulnank@hotmail.com), who not only generously gave permission Finally, another shout-out to Paul Nankervis, who not only generously gave permission
to use code from his JavaScript [PDP 11/70 Emulator (v1.4)](http://skn.noip.me/pdp11/pdp11.html), but has also patiently to use code from his JavaScript [PDP-11/70 Emulator (v1.4)](http://skn.noip.me/pdp11/pdp11.html), but has also patiently
answered my many questions. answered all my questions.
I'm [@jeffpar](http://twitter.com/jeffpar) and I approve this blog post. I'm [@jeffpar](http://twitter.com/jeffpar) and I approve this blog post.

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apps/pdp11/boot/monitor/README.md
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@ -11,7 +11,7 @@ PDP-11 Boot Monitor
------------------- -------------------
[BOOTMON.mac](BOOTMON.mac) is a custom boot monitor/loader based on [boot.mac](http://skn.noip.me/pdp11/boot.mac) written by [BOOTMON.mac](BOOTMON.mac) is a custom boot monitor/loader based on [boot.mac](http://skn.noip.me/pdp11/boot.mac) written by
[Paul Nankervis](mailto:paulnank@hotmail.com). It is used with all our PDP-11 test machines. Paul Nankervis. It is used with all our PDP-11 test machines.
[BOOTMON.mac](BOOTMON.mac) was cross-assembled with [MACRO11](https://github.com/shattered/macro11) to produce [BOOTMON.mac](BOOTMON.mac) was cross-assembled with [MACRO11](https://github.com/shattered/macro11) to produce
[BOOTMON.txt](BOOTMON.txt), which was then processed by [FileDump](/modules/filedump/) to produce [BOOTMON.txt](BOOTMON.txt), which was then processed by [FileDump](/modules/filedump/) to produce

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index.md
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@ -18,7 +18,7 @@ includes:
* [PCx86](/docs/pcx86/), an x86-based IBM PC and PC-compatible emulator * [PCx86](/docs/pcx86/), an x86-based IBM PC and PC-compatible emulator
* [PC8080](/modules/pc8080/), an 8080 machine emulator (e.g., [Space Invaders](/devices/pc8080/machine/invaders/), [VT100 Terminal](/devices/pc8080/machine/vt100/)) * [PC8080](/modules/pc8080/), an 8080 machine emulator (e.g., [Space Invaders](/devices/pc8080/machine/invaders/), [VT100 Terminal](/devices/pc8080/machine/vt100/))
* [C1Pjs](/docs/c1pjs/), an emulation of the 6502-based [Ohio Scientific Challenger 1P](/devices/c1p/) * [C1Pjs](/docs/c1pjs/), an emulation of the 6502-based [Ohio Scientific Challenger 1P](/devices/c1p/)
* [PDPjs](/modules/pdp11/), a PDP-11 machine emulator currently in development (e.g., [PDP-11/20 and PDP-11/70](/devices/pdp11/machine/)) * [PDPjs](/modules/pdp11/), a PDP-11 emulator currently in development (e.g., [PDP-11/20 and PDP-11/70](/devices/pdp11/machine/))
All PCjs machine simulations are written entirely in [JavaScript](/modules/). No Flash, Java or other plugins are All PCjs machine simulations are written entirely in [JavaScript](/modules/). No Flash, Java or other plugins are
required. Supported browsers include modern versions of Chrome, Safari, Firefox, Internet Explorer (v9.0 and up), Edge, required. Supported browsers include modern versions of Chrome, Safari, Firefox, Internet Explorer (v9.0 and up), Edge,

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modules/pdp11/README.md
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@ -10,8 +10,8 @@ PDP-11 Machine Emulation Module (PDPjs)
Overview Overview
--- ---
PDPjs, our PDP-11 machine emulation module, is adapted from PDPjs, our PDP-11 machine emulation module, is adapted from
the [PDP 11/70 Emulator (v1.4)](http://skn.noip.me/pdp11/pdp11.html) written by the [PDP-11/70 Emulator (v1.4)](http://skn.noip.me/pdp11/pdp11.html) written by
[Paul Nankervis](mailto:paulnank@hotmail.com). Paul Nankervis.
See the list of available [PDP-11 Machines](/devices/pdp11/machine/), which includes a See the list of available [PDP-11 Machines](/devices/pdp11/machine/), which includes a
[PDP-11/70 with Front Panel](/devices/pdp11/machine/1170/panel/debugger/) and [PDP-11/70 with VT100 Terminal](/devices/pdp11/machine/1170/vt100/debugger/). [PDP-11/70 with Front Panel](/devices/pdp11/machine/1170/panel/debugger/) and [PDP-11/70 with VT100 Terminal](/devices/pdp11/machine/1170/vt100/debugger/).