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- ArticleMarch 1973
PDP-10 virtual machines
Proceedings of the workshop on virtual computer systemsPages 30–34https://doi.org/10.1145/800122.803947The architecture of the DEC PDP-10 prohibits using standard methods to construct a virtual PDP-10 on it. However, by simulating all executive-mode instructions and in rare cases user-mode instructions, a “hybrid” virtual machine may be constructed. ...
- ArticleMarch 1973
Virtual machine or virtual operating system?
Proceedings of the workshop on virtual computer systemsPages 20–29https://doi.org/10.1145/800122.803946Development of a multi-access system from an existing single-user system can be achieved by the virtual machine approach. If the virtual machines generated include as primitives the logical functions used by the single-user system activated on them, ...
- ArticleMarch 1973
Coupling virtual machines and system construction
Proceedings of the workshop on virtual computer systemsPages 1–14https://doi.org/10.1145/800122.803944The behavior of a system running in one virtual machine (OBJECT) is made accessible to an external observer through another virtual machine (SPY) coupled to the previous one. Given the independence of virtual machines, it is possible to run in SPY a ...