#Lisa_OS
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scipastips.bsky.social
In 1979, Apple introduced Apple Pascal along with the Apple Pascal Operating System for the Apple II. It paved the way for later Apple OSes, including SOS, #Lisa_OS, and #Mac_OS (which were written in #Pascal as well). Choosing Pascal laid the foundation for the high stability of Apple's OSes.
Add for Apple's Pascal, ca. 1979. Text and image on paper, with the option to iron an image on a t-shirt. From the text: "Apple lets you get personal with Pascal. There's only one logical way to find out what a person wants in a personal computer. Ask the person who'll be using one. At Apple, we've been very successful at identifying just what people look for in com-puters. And then providing them with it. In spades. For serious enthusiasts, this means making available sophisticated innovations that are often conspicuously absent from other personal computers. Like Pascal. Apple II is one of the few personal computers that has it. And when you turn this page and feast vour eves on the many advantages this level, general-purpose language has to offer, you'll see why that's very good news indeed. When you've got it, flaunt it. If you'd like to let the world know who speaks Pascal, here's how: Follow the dotted line and cut out the transfer image above Preheat iron dry-woo setting) tor 3 minutes. Slip garment on ironing board over scrap material. Remove wrinkles. Position transfer face down and pin edges to ironing board cover. Iron transfer slowly too hot. vet transter coo for one minute. then undin and slowiv on transter straight un. Results are best wher oshirt is at least 50% polvester."
October 20, 2025 at 7:42 AM
scipastips.bsky.social
After the first experimental code had been written in #UCSD_Pascal, the majority of #Lisa_OS was written in #Lisa_Pascal. The first versions of #Mac_OS and applications for Lisa OS were written in #Clascal, an early version of #Object_Pascal. The coevolution of #Pascal and Apple OSes is interesting.
October 19, 2025 at 12:43 PM