汇编的一道显示程序,求各一行的含义
DATA SEGMENTMES DB'Show a as hex:',0AH,0DH,'$'
SD DB 'A'
DATA ENDS
CODESEGMENT
ASSUMECS:CODE,DS:DATA
START: MOVAX , DATA
MOVDS , AX
MOVDX , OFFSET MES
MOVAH , 09H
INT 21H
MOVDI , OFFSET SD
MOVAL , DS:
ANDAL , 0F0H
SHRAL , 4
CMPAL , 0AH
JB C2
ADDAL , 07H
C2: ADDAL , 30H
MOVDL , AL
MOVAH , 02H
INT 21H
MOVAL , DS:
ANDAL , 0FH
CMPAL , 0AH
JB C3
ADDAL , 07H
C3: ADDAL , 30H
MOVDL , AL
MOVAH , 02H
INT 21H
MOVAX , 4C00H
INT 21H
CODE EndS
end start
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详细使用方式都在里边呢,另外代码的话可以用论坛的代码编辑功能就不会出现:D 路过··········
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