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Pasted by registered user Ivan_32 ( 15 years ago )
mov eax,cr3 
shr eax,12
mov edx,IDT_addr
xor dx,dx 
shr edx,10 ; верхние 24-бита - номер страницы. каждая запись 4-байтна - shr 12 + shl 2 = shr 10.
add ax,dx  
mov edx,[eax]
or edx,2 ; второй бит - RW - с весом 2. 
mov [eax],edx

 

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