If the array is defined locally, you can use LENGTHOF (number of elements), or SIZEOF (number of bytes):
str db 'example string',0dh,0ah,00h
; ...
lea ebx,str
mov ecx,sizeof str
質問
Is there an easy way to find an array length in 8086 assembly language, or is this something that should be known ahead of time?
解決
If the array is defined locally, you can use LENGTHOF (number of elements), or SIZEOF (number of bytes):
str db 'example string',0dh,0ah,00h
; ...
lea ebx,str
mov ecx,sizeof str
他のヒント
.data
arr dw 3h,1h,2h
count = ($-arr)
.code
mov ax,count ;will contain the length , here is 6