TechHacker Newsabout 4 hours ago
Full Reverse Engineering of the TI-84 Plus Operating System
1 min read
A full reverse engineering of the TI-84 Plus OS reveals a Z80-based system with 1 MiB flash and 128 KiB RAM using a 4-slot paging scheme and bcall mechanism. The single-tasking monitor includes a boot/kernel core on flash page 0 with OS routines spread across other pages.
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