Hello everyone I have a question for assembly language cours

Solution

   cmp vall,ecx
   jna L1
   cmp ecx,edx
   jna L1
   mov X,1
   jmp next
L1:mov x,2
next:

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   cmp ebx,ect   ;ebx>ecx?
   jna L1       ;no:try condition after OR
   cmp ebx,edx   ;yes:is ebx > edx?
   jna L1       ;no:try condition after OR
   jmp L2       ;yes:set X to 1
   -----OR(edx>eax)-----
L1:cmp edx,eax    ;edx>eax?
    jna L3       ;no:set X to 2
L2:mov X,1       ;yes:set X to 1
   jmp next   ;and quit
L3:mov X,2       ;set X to 2
next: