汇编语言上机考试题三星题三

注释待更新

根据学长代码改编，也不知道结果对不对

现有一控制程序共5个工序，要求输入0-4的序号，分别执行各工序的子程序，每个子程序的任务是显示其入口地址。调用后继续等待调用，按回车则结束程序的执行。

DATAS SEGMENT

    BUF DW BUF1,BUF2,BUF3,BUF4,BUF5;此处输入数据段代码 

DATAS ENDS

STACKS SEGMENT

    ;此处输入堆栈段代码

STACKS ENDS

CODES SEGMENT

    ASSUME CS:CODES,DS:DATAS,SS:STACKS

MAIN PROC FAR

    MOV AX,DATAS

    MOV DS,AX

    ;此处输入代码段代码

AGAIN:

MOV AH,01H

INT 21H

CMP AL,0DH

JE EXIT

SUB AL,30H

CMP AL,0

JE IS1

CMP AL,1

JE IS2

CMP AL,2

JE IS3

CMP AL,3

JE IS4

CMP AL,4

JE IS5

JMP AGAIN

IS1:

CALL BUF1

JMP AGAIN

IS2:

CALL BUF2

JMP AGAIN

IS3:

CALL BUF3

JMP AGAIN

IS4:

CALL BUF4

JMP AGAIN

IS5:

CALL BUF5

JMP AGAIN

EXIT:

    MOV AH,4CH

    INT 21H

    RET

MAIN ENDP

BUF1 PROC NEAR

MOV BX,OFFSET BUF1

CALL DISP

RET

BUF1 ENDP

BUF2 PROC NEAR

MOV BX,OFFSET BUF2

CALL DISP

RET

BUF2 ENDP

BUF3 PROC NEAR

MOV BX,OFFSET BUF3

CALL DISP

RET

BUF3 ENDP

BUF4 PROC NEAR

MOV BX,OFFSET BUF4

CALL DISP

RET

BUF4 ENDP

BUF5 PROC NEAR

MOV BX,OFFSET BUF5

CALL DISP

RET

BUF5 ENDP

DISP PROC NEAR

MOV DL,0DH

MOV AH,02H

INT 21H

MOV DL,0AH

MOV AH ,02H

INT 21H

MOV CH,4

CONTINUE:

MOV CL,4

ROL BX,CL

MOV AL,BL

AND AL,0FH

CMP AL,10

JAE ZIMU

ADD AL,30H

JMP SHUCHU

ZIMU:

ADD AL,37H

SHUCHU:

MOV DL,AL

MOV AH,02H

INT 21H

DEC CH

CMP CH,0

JNZ CONTINUE

MOV DL,0DH

MOV AH,02H

INT 21H

MOV DL,0AH

MOV AH,02H

INT 21H

RET

DISP ENDP

CODES ENDS

END MAIN