Skip to content

Tag Archives: Retrocomputing

Lisa Source Code: Clascal Evolution

Here’s another interesting thing I’ve learned about Clascal and Object Pascal: It went through exactly the same evolution from combining object allocation & initialization to separating them that Objective-C did a decade later! In early 1983 Clascal, classes were expected to implement a New method as a function returning that type, taking zero or more […]

Lisa Source Code: Understanding Clascal

On January 19, Apple and the Computer History Museum released the source code to the Lisa Office System 7/7 version 3.1, including both the complete Office System application suite and the Lisa operating system. (The main components not released were the Workshop environment and its tooling, including the Edit application and the Pascal, COBOL, BASIC, […]