[C/C++][DOS/Ring0] Узнать объем оперативной памяти

unsigned long GetMemSize() { unsigned long MemSize; unsigned long* RAM=(unsigned long*)0x0; for(unsigned long i=0x100000;i<0xF9E00000;i+=0x100000) { RAM[i/4]=0x347; if(RAM[i/4]!=0x347) { MemSize=i-0x100000; break; } RAM[i/4]=0x000; } return (MemSize+0x100000); }

 

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