Something about Assembly language 1

MESSAGE DB 'How do you do.',0DH,0AH,24H

0Dh,0Ah: 回车换行；

24h: $，DOS功能调用显示字符串用“$”作为结束符标志。 

两个hello world

1

name "hello"

org 100h

jmp start

msg db ‘Hello, world!', 0

start: mov si,0

          next_char: 

mov al, msg[si]

cmp al, 0

je stop

mov ah, 0eh

mov 10h

inc si

 jmp next_char

stop: 

mov ah, 0

int 16h

ret

end

2(easiest)

name "hi"

org 100h

jmp start

msg: db "Hello, World!", 0Dh, 0Ah, 24h

start:

mov dx, msg;load offset of msg into dx

mov ah, 09h

int 21h

mov ah, 0

int 16h

ret