Episode 105 - Apple's Growing Pains
Advent of Computing
00:00
How to Make a Self-Booting Program
Apple's new operating system, SOS, was built from separate components that were loaded at boot time. The Apple 3 had a small ROM program that on boot checked for a disk with an SOS signature. This means you can make a self-booting program that has access to the full SOS kernel.
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