統計正負數個數
data segment
array db 1,0,-1,5,6,-2,0
data ends
extra segment
zheng db 10 dup(?)
extra ends
code segment
assume cs:code,ds:data,es:extra
start:
mov ax,data
mov ds,ax
mov cx,7
mov bx,0
mov di,bx
mov si,bx
again:
cmp array[bx],0
jle less_or_eq
inc di
jmp next
less_or_eq:
jl next
inc si
next:
add bx,1
dec cx
jnz again
mov ax,7
sub ax,di
sub ax,si
code ends
end start
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