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How to keep resident only a part of the program (Developers)

posted by bretjohn Homepage E-mail, Rio Rancho, NM, 27.08.2021, 21:22

I use ecm's TSR installation method (or at least a slight variation of it) in most of my TSR's nowadays. It works really well. It even allows you to automatically install the program into upper memory without needing to use LOADHI. I'm not sure you could do it (at least not easily) in anything other than ASM, though. ASM is more difficult to use, but can give you complete control over everything, including the relationships of which parts of the program get installed in which parts of memory.

I will say that INT 21.31 is probably the easiest way to install a TSR, but it is not the best option (by far).

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