用匯編語言編寫程序，利用DOS、BIOS系統功能調用進行屏幕菜單設計

CODE?SEGMENT

ASSUMECS:CODE

ORG100H

START:

JMPBBB

MENU?DB10,13,10,13,'MENU?'

DB10,13

DB10,13,'1.?我是壹名大學生'

DB10,13,'2.?我的專業是自動化'

DB10,13,'3.?我喜歡看書'

DB10,13,'4.?RUN'

DB10,13,'0.?返回'

DB10,13

DB10,13,'please?choose?one?of?0~4:','$'

BBB:

PUSH?CS

POPDS

DISP0:

MOVAH,15

INT10H

MOVAH,0

INT10H

LEADX,MENU

MOVAH,9

INT21H

MOVAH,1

INT21H

CMPAL,'0'

JEEXIT

CMPAL,'1'

JEDISP1

CMPAL,'2'

JEDISP2

CMPAL,'3'

JEDISP3

CMPAL,'4'

JEDISP4

JMPDISP0

DISP1:

CALL?SUB1

JMPDISP0

DISP2:

CALL?SUB2

JMPDISP0

DISP3:

CALL?SUB3

JMPDISP0

DISP4:

CALL?SUB4

JMPDISP0

EXIT:

MOVAH,4CH

INT21H

SUB1?PROC?NEAR

RET

SUB1?ENDP

SUB2?PROC?NEAR

RET

SUB2?ENDP

SUB3?PROC?NEAR

RET

SUB3?ENDP

SUB4?PROC?NEAR

RET

SUB4?ENDP

CODE?ENDS

ENDSTART

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