.386
.model flat, stdcall
option casemap:none
include kernel32.inc
includelib kernel32.lib
.data
wArray
.code
start:
	xor eax, eax
	xor ecx, ecx
	mov ebx, offset wArray
U1:     mov dx, [ebx+ecx-2]
        add ax, dx
        sub ecx, 2
        jnz U1
exit:   mov SUM, ax
end start