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  1. CesiumFrog

    How do I remove a TSR from memory?

    Hi, I created a TSR program which hooks an interrupt then returns control to DOS (remaining resident), later the program unhooks the interrupt and completely returns to DOS, however.... it does not release the memory. If I run it repeatedly, "mem" reports that the amount of free...
  2. CesiumFrog

    OS Development: Interrupt Hooking and Stack placement

    Hey, I'm trying to write my own "operating system" (just a learning exercise) in assembly. So far I have a bootstrap which prints a message, loads the next sector at 60:0 h, then jumps there. Then my "kernel" prints a message and hangs, for want of something better to do...

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