.286
.model small
.586p
.code
mov eax, cr0
mov eax, cr2
mov eax, cr3
mov eax, cr4
mov ecx, cr0
mov cr0, eax
mov cr2, eax
mov cr3, eax
mov cr4, eax
mov cr0, ecx
mov eax, dr0
mov eax, dr1
mov eax, dr2
mov eax, dr3
mov eax, dr6
mov eax, dr7
mov ecx, dr0
mov dr0, eax
mov dr1, eax
mov dr2, eax
mov dr3, eax
mov dr6, eax
mov dr7, eax
mov dr0, ecx
end