求汇编程序和仿真图。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。
1条回答 默认 最新
- threenewbee 2019-01-01 12:17关注
DATA SEGMENT DISPIN DB 'The input string is: ', '$' DISPOUT DB 'The length is:', '$' DISPX DB 0DH, 0AH, 'Error: the string is too long!',0DH,0AH,'$' BLK DB 0DH, 0AH,0DH, 0AH,'$' DATA ENDS CODE SEGMENT ASSUME CS:CODE, DS:DATA START: MOV AX, DATA MOV DS, AX MOV CX,00H LEA DX,DISPIN ;MOV DX, OFFSET DISP1 MOV AH, 09H INT 21H INPUT: MOV AH, 01H INT 21H CMP AL,0DH JE DISP INC CX JMP INPUT ;..........输出显示部分........ DISP: CMP CX,100H JB NEXT1 LEA DX, DISPX MOV AH,09H INT 21H NEXT1: MOV DX, OFFSET DISPOUT MOV AH, 09H INT 21H MOV DL,CL MOV DH,CL MOV CL,4 SHR DL,CL ;*** CMP DL,9H JBE LP ADD DL,7H LP: ADD DL,30H MOV AH,02H INT 21H MOV DL,DH AND DL,0FH CMP DL,9H JBE LP1 ADD DL,7H LP1: ADD DL,30H MOV AH,02H INT 21H MOV DL,'H' MOV AH,2 INT 21H LEA DX, BLK MOV AH,09H INT 21H JMP START MOV AH, 4CH INT 21H CODE ENDS END START
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