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微机原理与接口技术 软件实验二 姓名：常艳洁 班级：电0904-1班 学号一：实验内容 将内存区定义的字母数字串的统计结果以16进制的形式显示出来，显示格式为： The Numbers of Digital is: XXH The Numbers of Capital Letters is: XXH The Numbers of Small Letters is: XXH 二：程序要求 二进制转十六进制并显示的功能由BTOHDSP实现 回车换行用CRLF宏指令实现 字符H的显示由宏指令OUTPUT实现 提示信息的显示由宏INOUT指令实现 三：源程序 BTOHDSP MACRO Z LOCAL S1,S2 MOV BL,Z MOV CL,4 SHR BL,CL CMP BL,0AH JB S1 ADD BL,07H S1: ADD BL,30H MOV DL,BL MOV AH,2 INT 21H MOV BL,Z AND BL,0FH CMP BL,0AH JB S2 ADD BL,07H S2: ADD BL,30H MOV DL,BL MOV AH,2 INT 21H ENDM CRLF MACRO MOV DL,0DH MOV AH,2 INT 21H MOV DL,10 MOV AH,2 INT 21H ENDM OUTPUT MACRO MOV DL,48H MOV AH,2 INT 21H ENDM INOUT MACRO X LEA DX,X MOV AH ,09H INT 21H ENDM DATA SEGMENT SHUZI DB ? DAXIE DB ? XIAOXIE DB ? ORG 10H STRIN DB 111111wwwwwwJJJJJJ;;;;; COUNT EQU $-STRIN TISHI1 DB The Number of Digital is:,$ TISHI2 DB The Nnmber of Capital Letters is:,$ TISHI3 DB The Number of Small Letters is:,$ DATA ENDS CODE SEGMENT ASSUME CS:CODE,DS:DATA START: MOV AX, DATA MOV DS, AX XOR AX, AX MOV SHUZI, AL MOV DAXIE, AL MOV XIAOXIE, AL LEA SI, STRIN MOV CX, COUNT CLD NEXT: LODSB CMP AL, 30H JB OTHER CMP AL, 39H JA BIJIAO1 INC SHUZI JMP OTHER BIJIAO1: CMP AL, A JB OTHER CMP AL, Z JA BIJIAO2 INC DAXIE JMP OTHER BIJIAO2: CMP AL, a JB OTHER CMP AL, z JA OTHER INC XIAOXIE OTHER: LOOP NEXT INOUT TISHI1 MOV AL,SHUZI BTOHDSP AL OUTPUT CRLF INOUT TISHI2 MOV AL,DAXIE BTOHDSP AL OUTPUT CRLF INOUT TISHI3 MOV AL,XIAOXIE BTOHDSP AL OUTPUT CRLF MOV AH,4CH INT 21H CODE ENDS END START 四：实验结果 DOS显示结果如下： Ds数据窗口显示结果：