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Acrobat Reader for DOS under emulators and PDF1 conversion (Users)

posted by bretjohn Homepage E-mail, Rio Rancho, NM, 13.02.2024, 20:49

> I had the best luck with leaving memory management to DOSBox. It usually
> doesn't like 3rd party memory managers.

DPMS is not really a third-party memory manager. It is more of a "Protected Mode Application Environment", not too different than what DPMI and DS Extenders provide. E.g., you can directly use the functions provided by standard memory managers (like EMS & XMS), which is what a lot of older programs did. Or you can use a Protected Mode "Environment" like DPMI or a DOS Extender which "leverages" what the memory manager provides to make your life easier. The "DPMS" environment is specifically designed for the special requirements of TSRs and Device Drivers, allowing the computer to switch in and out of protected mode when the TSR needs to do things in the background. Like I said, DPMS is sort of like "DPMI for TSRs". It doesn't try to bypass or displace memory management.

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