请问这一段汇编程序是什么意思?
STACKSEGMENTSTACKDB200DUP(0)STACKENDSDATASEGMENTA1DWBUFB1DW2211HCOUNTEQU$-A1C1DB33H,-...
STACK SEGMENT STACK
DB 200 DUP(0)
STACK ENDS
DATA SEGMENT
A1 DW BUF
B1 DW 2211H
COUNT EQU $-A1
C1 DB 33H, -1, COUNT-2 DUP (35H)
BUF DB '89'
DATA ENDS
CODE SEGMENT
ASSUMECS:CODE,DS:DATA,SS:STACK
START: MOV AX,DATA
MOV DS,AX
LEA DX,BUF
LEA BX,BUF-2
MOV DL,[BX]
MOV AH,2
INT 21H
MOV AH,4CH
INT 21H
CODE ENDS
END START 展开
DB 200 DUP(0)
STACK ENDS
DATA SEGMENT
A1 DW BUF
B1 DW 2211H
COUNT EQU $-A1
C1 DB 33H, -1, COUNT-2 DUP (35H)
BUF DB '89'
DATA ENDS
CODE SEGMENT
ASSUMECS:CODE,DS:DATA,SS:STACK
START: MOV AX,DATA
MOV DS,AX
LEA DX,BUF
LEA BX,BUF-2
MOV DL,[BX]
MOV AH,2
INT 21H
MOV AH,4CH
INT 21H
CODE ENDS
END START 展开
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