2 Reusable Code Snippet Topics
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| | For those interested in operating system development, this snippet tests status of A20. It is the line that allows memory beyond 1 meg to be addressed, otherwise it will just wrap around which some applications and versions of DOS depend on. My bootloader **MBR1_44** has switched system to protected (*32 … |
| | This is a special purpose boot loader for a system I've called Proto-Sys. Eventually it is going to become a 64 bit application that will encompass all the resources to hook into drivers, benchmark code and optomize algorithms. Synopsis: * Preserve registers as they were passed by BIOS * Create … |
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