Edson de Castro and the PDP-X
Edson de Castro was the Product Manager of the pioneering Digital Equipment Corporation (DEC) PDP-8, a 12-bit computer widely referred to as the first true minicomputer. He also led

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Processor design
The Nova, unlike the PDP-8, was a load–store architecture. It had four 16-bit accumulator registers, of which two (2 and 3) could be used as

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Hello world program
This is a minimal programming example in Nova assembly language. It is designed to run under RDOS and prints the string “Hello, world.” on the console.
16-bit multiplication
Basic models of the Nova

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• Fairchild 9440 - a single-chip implementation of the Nova 2 and 3
• National Semiconductor IMP-16 - 5-chip p-mos implementation of the original Nova
• National Semiconductor PACE and INS8900 - single-chip implementation with simplified instruction set

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• Bob Supnik's SimH project – Includes a basic Nova emulator in a user-modifiable package
• The portable C compiler includes a NOVA target.

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The Canadian Broadcasting Corporation in Montreal used the Nova 1200 for channel play-out automation up until the late 1980s. It was then replaced with refurbished Nova 4 units

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