基于8086的秒表設(shè)計與實現(xiàn)課程設(shè)計(文件)
【正文】 CALL DELAY1 LEA SI,LEDTAB MOV BL,BUF+2 MOV BH,0 MOV AL,[BX][SI] 。用數(shù)碼管顯示分十位 MOV AL,11000100B MOV DX,B_PORT OUT DX,AL CALL DELAY MOV AL,0H MOV DX,B_PORT OUT DX,AL CALL DELAY1 LEA SI,LEDTAB MOV BL,BUF+4 MOV BH,0 MOV AL,[BX][SI] 。用數(shù)碼管顯示時十位 MOV AL,11000001B MOV DX,B_PORT OUT DX,AL CALL DELAY MOV AL,0H MOV DX,B_PORT OUT DX,AL CALL DELAY1 DEC DI JNZ DISPAGAIN1 RETDISPLAY_DEC ENDPDELAY PROCMOV CX,1dhLOOP $ RETDELAY ENDPDELAY1 PROCMOV CX,3hLOOP $RETDELAY1 ENDPcunchu proc push ax push bx push cx mov al,buf mov ah,buf+1 mov bl,buf+2 mov bh,buf+3 mov cl,buf+4 mov ch,buf+5 mov buff[si],al mov buff[si+1],ah mov buff[si+2],bl mov buff[si+3],bh mov buff[si+4],cl mov buff[si+5],ch pop ax pop bx pop cx ret cunchu endpxianshicj proc push ax push bx push cx mov al,buff[si] mov ah,buff[si+1] mov bl,buff[si+2] mov bh,buff[si+3] mov cl,buff[si+4] mov ch,buff[si+5]mov buf,almov buf+1,ahmov buf+2,blmov buf+3,bhmov buf+4,clmov buf+5,chpop axpop bxpop cx retxianshicj endp INTB PROC FAR PUSH AX PUSH BX PUSH CX MOV SI,6 MOV AL,20H OUT 20H,AL POP CX POP BX POP AX IRETINTB ENDP CODE ENDS END START21。用數(shù)碼管顯示時個位 MOV AL,11000010B MOV DX,B_PORT OUT DX,AL CALL DELAY MOV AL,0H MOV DX,B_PORT OUT DX,AL CALL DELAY1 CALL DELAY1 LEA SI,LEDTAB MOV BL,BUF+5 MOV BH,0 MOV AL,[BX][SI] 。用數(shù)碼管顯示分個位 MOV AL,11001000B MOV DX,B_PORT OUT DX,AL CALL DELAY MOV AL,0H MOV DX,B_PORT OUT DX,AL CALL DELAY1 CALL DELAY1 LEA SI,LEDTAB MOV BL,BUF+3 MOV BH,0 MOV AL,[BX][SI] 。清屏 MOV DX,B_PORT OUT DX,AL CALL DELAY1 CALL DELAY1 LEA SI,LEDTAB MOV BL,BUF+1
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鄂ICP備17016276號-1