Write an 8086 assembly language program Which count the numbers of characters in the string s1 where s1 equals i know assembly programming?

Here’s a simple 8086 assembly language program to count the characters in the string "i know assembly programming":

<code class="language-assembly">section .data
s1 db 'i know assembly programming', 0 ; String with null terminator count db 0                             ; To store the character count
section .text global _start
_start: mov si, s1             ; Load address of the string into SI xor cx, cx             ; Clear CX for counting characters
count_loop: cmp byte [si], 0       ; Check for null terminator je done                ; If found, jump to done inc cx                 ; Increment character count inc si                 ; Move to the next character jmp count_loop         ; Repeat the loop
done: mov count, cl          ; Store the count in 'count' ; Further code to exit or display the count can go here
</code>

This program initializes a string and counts the characters until it encounters the null terminator, storing the final count in a variable.