chp2_14.asm

来自「关于8086汇编的一些作业程序」· 汇编 代码 · 共 34 行

stack segment stack'stack'
dw 32 dup(?)
stack ends
data segment
BUF DB 38H
OBUF1 DB 0AH,0DH,'(BUF)='
OBUF2 DB 4 DUP(?)
data ends
code segment
begin proc far
      assume ss:stack,cs:code,ds:data
      push ds
      sub ax,ax
      push ax
      mov ax,data
      mov ds,ax
      MOV AL,BUF
      MOV AH,AL
      MOV CL,4
      SHR AH,CL
      ADD AH,30H
      AND AL,0FH
      ADD AL,30H
      MOV OBUF2,AH
      MOV OBUF2+1,AL
      MOV OBUF2+2,'H'
      MOV OBUF2+3,'$'
      MOV DX,OFFSET OBUF1
      MOV AH,9
      INT 21H
      ret
begin endp
code ends
     end begin