在字节数组中找出第一个非0数据，并显示其下标，假定下标值小于10。

1.
data segment
num db 1,2,4,5,0,5,3
count equ $-num
data ends
code segment
assume cs:code,ds:data
start:
mov ax,data
mov ds,ax
mov es,ax
lea di,num
mov al,0
mov cx,count
repnz scasb
jnz tj
dec di
mov dx,di
add dl,30h
mov ah,2
int 21h
tj:
mov ah,1
int 21h
moc ah,4ch
int 21h
code ends
end start
2.
data segment
num db 1,2,4,5,0,5,3
count equ $-num
data ends
code segment
assume cs:code,ds:data
start:mov ax,data
mov ds,ax
lea di,num
mov al,0
mov cx,count
next:
cmp [di],al
jz next2
inc di
loop next
jnz tj
next2:
mov dx,di
add dl,30h
mov ah,2
int 21h
tj:
mov ah,1
int 21h
moc ah,4ch
int 21h
code ends
end start

DATA SEGMENT
ARR DB 0,0,38H,46H.....
CNT EQU $-ARR
RES DB ?
DATA ENDS