X-Hacker.org- Ralf Brown's Interrupt List (Part 1,2) - int 21 - os/286, os/386

Click above to get retro games delivered to your door ever month! X-Hacker.org- Ralf Brown's Interrupt List (Part 1,2) - int 21 - os/286, os/386 - chain to real-mode handler

INT 21 - OS/286, OS/386 - CHAIN TO REAL-MODE HANDLER
        AX = E400h
        ???
Return: ???
Note:   protected mode only???

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