班级成绩处理与时间显示程序(4)

LEA SI ,NAME1[BX];-------------以下是名字的交换 LEA DI ,BUFFER2 REP MOVSB MOV AX ,0 MOV CX ,15

LEA DI ,NAME1[BX]

REP STOSB;---------------------将空间复位置零，毕竟名字输入有长短不一

MOV CX ,15

LEA DI ,NAME1[BX] LEA SI ,NAME1[BX+15] REP MOVSB MOV CX ,15

LEA DI ,NAME1[BX+15] REP STOSB MOV CX ,15

LEA DI ,NAME1[BX+15] LEA SI ,BUFFER2 REP MOVSB MOV CX ,15

LEA DI ,BUFFER2 REP STOSB POP CX POP SI INC SI

LOOP SECOND POP CX DEC CX CMP CX ,0

JNE FIRST;-----------------没办法，语句太长，总是差1byte，已经没有可以

;再简化了...只好出此下策...呵呵 RET

RANK_GRADE ENDP

;==========================================

;==========================================

PRINT_OUT_RANK PROC NEAR PRINT_ENTERING PRINT_ENTERING

LEA DX ,NUMBER_PROMPT_2 MOV AH ,09H

16

INT 21H

THREE_SPACE MOV AH ,09H

LEA DX ,NAME_PROMPT_2 INT 21H

THREE_SPACE THREE_SPACE MOV AH ,09H

LEA DX ,GRADE_PROMPT_2 INT 21H

THREE_SPACE MOV AH ,09H

LEA DX ,RANK_PROMPT_2

INT 21H RANK

MOV CX ,5 MOV SI ,4 PRINT_NUMBER:

PRINT_ENTERING THREE_SPACE MOV AH ,02H

MOV DL ,NUMBER[SI] ADD DL ,30H INT 21H

THREE_SPACE THREE_SPACE MOV AH ,02H MOV DL ,20H INT 21H MOV AX ,SI MOV BL ,15 MUL BL MOV BX ,AX MOV AH ,09H

LEA DX ,NAME1[BX] INT 21H

MOV AL ,GRADE[SI] XOR AH ,AH MOV BL ,10 DIV BL MOV BL ,AL MOV BH ,AH MOV DL ,BL

标题栏---显示NUMBER NAME GRADE 17

;--

ADD DL ,30H MOV AH ,02H INT 21H MOV DL ,BH ADD DL ,30H MOV AH ,02H INT 21H

THREE_SPACE THREE_SPACE MOV AH ,02H MOV DL ,20H INT 21H

MOV DL ,RANK[SI] ADD DL ,30H INT 21H DEC SI DEC CX CMP CX ,0

JNE PRINT_NUMBER;-----------又超过了...什么情况?求解释...

RET

PRINT_OUT_RANK ENDP

;==========================================

;==========================================按学号输出 PRINT_OUT_NUMBER PROC NEAR PRINT_ENTERING PRINT_ENTERING

LEA DX ,NUMBER_PROMPT_2 MOV AH ,09H INT 21H

THREE_SPACE MOV AH ,09H

LEA DX ,NAME_PROMPT_2 INT 21H

THREE_SPACE THREE_SPACE MOV AH ,09H

LEA DX ,GRADE_PROMPT_2 INT 21H

THREE_SPACE

;--标题栏---显示NUMBER NAME GRADE

18

MOV SI ,0 MOV CX ,5 PRINT_OUT_2:

PRINT_ENTERING THREE_SPACE

MOV DL ,NUMBER[SI] ADD DL ,30H MOV AH ,02H INT 21H

THREE_SPACE THREE_SPACE MOV AH ,02H MOV DL ,20H INT 21H MOV AX ,SI MOV BL ,15 MUL BL MOV BX ,AX MOV AH ,09H

LEA DX ,NAME1[BX] INT 21H

MOV AL ,GRADE[SI] XOR AH ,AH MOV BL ,10 DIV BL MOV BL ,AL MOV BH ,AH MOV DL ,BL ADD DL ,30H MOV AH ,02H INT 21H MOV DL ,BH ADD DL ,30H MOV AH ,02H INT 21H

THREE_SPACE THREE_SPACE MOV AH ,02H MOV DL ,20H INT 21H

INC SI DEC CX

19

CMP CX ,0

JNE PRINT_OUT_2 RET

PRINT_OUT_NUMBER ENDP

CODES ENDS END START

课题三：时间显示程序。 CODE SEGMENT ORG 100H

ASSUME CS:CODE,DS:CODE HHH DB 0 MMM DB 0 SSS DB 0 COUNT DB 18

Time DB \START:

MOV AX,CODE MOV DS,AX

MOV AH,2CH ;取得时间 INT 21H MOV HHH,CH MOV MMM,CL MOV SSS,DH LEA DX,INT1C

MOV AX,251CH ;置中断向量 INT 21H MOV AH,1 INT 21H

MOV AX,3100H ;驻留内存 MOV DX,54*2d ;设置显示的位置

20

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