.data:
    names DWORD "A", 0
          DWORD "B", 0
          DWORD "C", 0
    marks DWORD 78,99,95
;------------------------------------
.code:
    INVOKE SortStudents, marks, names, 3
;------------------------------------
SortStudents PROC USES eax ecx esi ebx,
    marks:PTR DWORD, names:PTR DWORD ,Count:DWORD
    mov  ecx,Count
    dec  ecx    ; decrement count by 1
L1: push ecx    ; save outer loop count
    mov  esi,marks  ; point to first value of marks array
    mov  ebx,names  ; point to first value of names array
L2: mov  eax,[esi]  ; get mark
    cmp  [esi+4],eax    ; compare mark with the next mark
    jge  L3 ; if [esi] <= [edi], skip
    xchg eax,[esi+4]    ; exchange mark
    xchg ebx,[ebx+4]    ; exchange name
    mov  [esi],eax
L3: add  esi,4  ; move marks pointer to the next mark
    add  ebx,4 ; move names pointer to the next name
    loop L2 ; inner loop
    pop  ecx    ; retrieve outer loop count
    loop L1 ; else repeat outer loop
L4: ret
SortStudents ENDP