编写汇编语言程序,将字符串'Assembly language Programming'全部转换...
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发布时间：2023-11-29 01:09
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时间：2024-03-13 18:22
BUF DB 'Assembly language Programming',13,10,'$'
DATA ENDS
CODE SEGMENT
ASSUME CS:CODE,DS:DATA
START:MOV AX,DATA
MOV DS,AX
LEA DX,BUF
MOV AH,9
INT 21H
LEA SI,BUF
L_START:CMP BYTE PTR[SI],13
JZ L_END
CMP BYTE PTR [SI],'a'
JB L_EXIT
CMP BYTE PTR [SI],'z'
JA L_EXIT
SUB BYTE PTR [SI],20H
L_EXIT: INC SI
JMP L_START
L_END: MOV AH,9
LEA DX,BUF
INT 21H
MOV AH,4CH
INT 21H
CODE ENDS
END START
