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Tom Everett
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# pdp7-unix # pdp7-unix
This is a project to resurrect Unix on the PDP-7 from scans of the original assembly
code done by Norman Wilson. The scans of PDP-7 Unix are in the Unix Archive at
http://www.tuhs.org/Archive/PDP-11/Distributions/research/McIlroy_v0/ ## About
pdp7-unix is a project to resurrect Unix on the PDP-7 from scans of the original assembly
code done by [Norman Wilson](http://www.cs.toronto.edu/~norman/pers/index.html). The scans of PDP-7 Unix are in the [Unix Archive](http://www.tuhs.org/) at
[http://www.tuhs.org/Archive/PDP-11/Distributions/research/McIlroy_v0/](http://www.tuhs.org/Archive/PDP-11/Distributions/research/McIlroy_v0/)
as the files 0*.pdf. as the files 0*.pdf.
## Current Status
Update early March 2016: We've written an assembler, most of a user-mode Update early March 2016: We've written an assembler, most of a user-mode
simulator and commented several source files. We now have these utilities simulator and commented several source files. We now have these utilities
running: cat, cp, chmod, chown, chrm and ls. running: cat, cp, chmod, chown, chrm and ls.
Things to do: write a filesystem creation tool, write a shell, write the Things to do: write a filesystem creation tool, write a shell, write the
missing utilities, try to bring the system up on a PDP-7 system. We have missing utilities, try to bring the system up on a PDP-7 system. We have
a real PDP-7 and SimH as target platforms. a real PDP-7 and [SimH](http://simh.trailing-edge.com/) as target platforms.
## Source Tree
The code in the original scans are (c) Novell who own the rights to the Unix The code in the original scans are (c) Novell who own the rights to the Unix
source code. Everything that didn't come from the scanned files is GPLv3. source code. Everything that didn't come from the scanned files is GPLv3.
scans holds the unmodified OCR versions of the scanned files * /scans holds the unmodified OCR versions of the scanned files
* /src/cmd holds the modified source code of the user-mode programs
* /src/sys holds the modified source code of the kernel
* /src/other holds PDP-7 source code which did not come from the scanned files
* /tools holds the source for the tools written to assist the project
* /misc holds miscellaneous notes and information
* /pdp7parse holds a Java parser for pdp7 source code
src/cmd holds the modified source code of the user-mode programs
src/sys holds the modified source code of the kernel
src/other holds PDP-7 source code which did not come from the scanned files
tools holds the source for the tools written to assist the project
misc holds miscellaneous notes and information