I’m writing my own operating system and need to know how to modify the interrupt table so that certain ones (print string, etc.) are redirected to the command prompt application, similar to how DOS did it.
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I’m writing my own operating system and need to know how to modify the interrupt table so that certain ones (print string, etc.) are redirected to the command prompt application, similar to how DOS did it.
For what it’s worth, I’ve only done this in DOS in what now feels like another life, but – if I recall correctly – all we did was disable interrupts, write a new pointer to the desired entry in the interrupt table (starting at address 0:0), and then re-enable interrupts.