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by duskwuff
3 days ago
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Early editions of Inside Macintosh implied that code segments couldn't exceed 32 KB, so you'd never run into that situation. (It's not clear whether this was an enforced limitation or just a recommendation.) Instead, developers were expected to divide their applications into multiple CODE segments, using jump table entries in the A5 world to branch between segments. Later in the operating system's lifecycle, applications typically used a single code segment and a custom loader to apply relocations, allowing them to use JSR within that segment. |
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