電子時(shí)鐘課程設(shè)計(jì)-其他專業(yè)-預(yù)覽頁
【正文】 FEN PROC NEAR LEA SI,DISBUF MOV AL,0 MOV [SI],AL INC SI MOV [SI],AL INC SI LEA BX,LED MOV AL,MINUTE AND AL,0FH XLAT MOV [SI],AL MOV AL,MINUTE MOV CL,4 SHR AL,CL AND AL,0FH XLAT INC SI MOV [SI],AL RET FULL FEN ENDP FULL MIAO PROC NEAR LEA SI,DISBUF LEA BX,LED MOV AL,SECOND AND AL,0FH XLAT MOV [SI],AL MOV AL,SECOND MOV CL,4 SHR AL,CL AND AL,0FH XLAT INC SI MOV [SI],AL MOV AL,0 INC SI MOV [SI],AL INC SI MOV [SI],AL INC SI MOV [SI],AL INC SI MOV [SI],AL RET FULL MIAO ENDP DISP PROC NEAR MOV CX,8 MOV DX,D8279 LEA SI,DISBUF DISI MOV AL,[SI] OUT DX,AL INC SI LOOP DISI RET CODE ENDS END START 。在主程序完成各可編程接口芯片（ 825825 8279）的初始化、鍵盤掃描及時(shí)間校準(zhǔn)。它廣泛用于電子表、車站、碼頭、廣場等公共場所的大型遠(yuǎn)距離時(shí)間顯示電子鐘。與傳統(tǒng)的機(jī)械鐘相比，它具有走時(shí)準(zhǔn)確，顯示直觀，無機(jī)械傳動(dòng)，無需人的經(jīng)常調(diào)整等優(yōu)點(diǎn)。利用 8279 鍵盤顯示器實(shí)現(xiàn)當(dāng)前時(shí)間的顯示和時(shí)間的校
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