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Associated article: Undocumented Corner

Tags: .NET     Parallel    

Published source code accompanying Robert R. Collins's article which examines the ways in which your program knows which Intel processor is the current system CPU?

					Undocumented Corner
by Robert R. Collins

Listing One
    pushf                ; push original FLAGS
    pop     ax           ; get original FLAGS
    mov     cx, ax       ; save original FLAGS
    and     ax, 0fffh    ; clear bits 12-15 in FLAGS
    push    ax           ; save new FLAGS value on stack
    popf                 ; ...
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