So these plugins you speak of...you force them to not use CRT as well? What about the common runtime libraries used by other languages? There's a reason why they're called 'common' and are shared libraries.
Also, 32-bit processes generally have 2GB of addressable memory (user mode), with the game having been designed originally for a machine with only 64MB of RAM. Yet you're worried about 1MB? Have you even performed any useful profiling/measurements to prove all this effort is actually worth the time?
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