Installing PDP-11 BBC BASIC

To install PDP-11 BBC BASIC the file bbcbasic needs to be downloaded and copied to an appropriate location on your PDP-11 system. With bbcbasic accessible by the run path, BBC BASIC is run with the bbcbasic command.

!PDPTube on RISC OS

Download PDPTube.zip, extract !PDPTube and save it somewhere appropriate. Download bbcbasic and save it somewhere appropriate. It should be filetyped to &FE6 (UnixEx). Run !PDPTube. BBC BASIC can be run from the PDP> prompt by typing the path to the bbcbasic file. For instance: PDP> Run adfs::Sylvia.PDP11.bbcbasic If !PDPTube has been "seen" by the filer and booted, then bbcbasic can be double-clicked on to run it. !PDPTube can be run with bbcbasic on the command line to run it on startup. For instance: PDP11 adfs::Sylvia.PDP11.bbcbasic

PDPTube on Windows or DOS

Download PDP11Em.exe save it somewhere appropriate. Download bbcbasic and save it somewhere appropriate. Run PDP11Em. BBC BASIC can be run from the PDP> prompt by typing the path to the bbcbasic file. For instance: PDP> Run H:\PDP11\bbcbasic PDP11Em can be run with bbcbasic on the command line to run it on startup. For instance: "C:\Program Files\PDP11\PDP11Em.exe" "C:\My Documents\PDP11\bbcbasic" On DOS/Windows systems you may find it convenient to rename bbcbasic to bbcbasic.pdp. You can then assign the ".pdp" extension to PDP11Em.

SIMH on Windows or DOS

Download UxFiler.exe save it somewhere appropriate. Download bbcbasic and save it somewhere appropriate. Run SIMH and boot Unix and log on as root. Create a dummy file for BBC BASIC and set the file mode, for instance: with Unix v6: cp /unix /bin/bbcbasic, then chmod 755 /bin/bbcbasic with Unix v7: cp /unix /usr/bin/bbcbasic, then chmod 755 /usr/bin/bbcbasic Log off from Unix and shut down SIMH. Run UxFiler. Select the Unix disk image with, for instance: file "C:\My Documents\PDP11\unix0_v6_rk.dsk" Select the Unix directory with the bbcbasic file in with, for instance: cd usr, cd bin. Copy the bbcbasic file into the disk image with, for instance: import "C:\My Documents\PDP11\bbcbasic" bbcbasic. Exit from UxFiler with quit, rerun SIMH, boot Unix and log on. BBC BASIC is run by typing bbcbasic.

Real hardware PDP-11

Download bbcbasic and save it somewhere appropriate. You then need to copy bbcbasic onto the disk used by the PDP-11. With Unix is running, BBC BASIC is run by typing bbcbasic.