單片機(jī)課程設(shè)計(jì)音樂盒-預(yù)覽頁
【正文】 CJNE A,09H,A99 LCALL MODD MOV 52H,HIGH TABLE90 MOV 53H,LOW TABLE90 LCALL INITILE2 lcall MAIN0 A99: CJNE A,0AH,AAA LCALL MODD MOV 52H,HIGH TABLE100 MOV 53H,LOW TABLE100 LCALL INITILE2 lcall MAIN0 AAA: RET 。顯示小時(shí)個(gè)位 CALL ENABLE CALL WRITE2 MOV A,3AH MOV P0,0DH 。顯示冒號(hào) CALL ENABLE CALL WRITE2 MOV A,SEC MOV B,10 DIV AB ADD A,30H MOV P0,0CEH 。寫數(shù)據(jù) CALL WRITE1 RET。**********************************************DELAY: MOV R4,05D1: MOV R5,0FFH DJNZ R5,$ DJNZ R4,D1 RET 。DFF WB 39。MOV TL1, 0b0H lcall ks jnz TTM12 MOV 40H,00H。STOP: CLR TR0 CLR TR1 LJMP MAIN0 。定時(shí)器中斷子程序0。***************************************************T1INT: MOV TH1, 3cH MOV TL1, 0b0H DJNZ L50MS,X4 MOV L50MS,20 。*************************************每分鐘刷新分顯示一次 MOV A,MIN INC A MOV MIN,A MOV B,10 DIV AB ADD A,30H MOV P0,0CBH 。將BCD嗎轉(zhuǎn)化為ASIIC碼 MOV P0,0C8H 。DELAY30: MOV R7,2W2: MOV R4,125W3: MOV R3,248 DJNZ R3,$ DJNZ R4,W3 DJNZ R7,W2 DJNZ R1,DELAY30 RET。TABLE10: DB 66H,52H,36H,22H,12H,12H,22H,32H,98H,84H,82H,92H,14H,12H,22H DB 32H,52H,22H,42H,38H,66H,52H,36H,22H,12H,22H,22H,32H,98H DB 24H,22H,32H,54H,52H,32H,92H,12H,92H,82H,98H,66H,52H,36H,22H DB 12H,12H,22H,32H,98H,84H,82H,92H,14H,12H,22H,32H,52H,22H,42H,38H DB 66H,52H,36H,22H,12H,22H,22H,32H,98H,24H,22H,32H,54H,52H,32H DB 22H,12H,92H,82H,98H,14H,24H,34H,44H,64H,0B4H,64H,32H,52H DB 62H,0B2H,62H,52H,38H,24H,22H,32H,54H,52H,62H,52H,32H,32H,22H,38H DB 64H,0B4H,64H,32H,52H,62H,0B2H,62H,52H,38H,22H,22H,22H,32H,52H,52H DB 52H,62H,7FH,74H,04H,58H,6FH DB 00。第四首《同一首歌》。TABLE50: DB 82H,92H,12H,14H,12H,14H,92H,82H,12H,14H,22H,14H,92H,12H,22H,24H DB 22H,24H,12H,92H,22H,24H,32H,24H,32H,52H,62H,54H,52H,64H,52H,32H DB 22H,32H,22H,12H,94H,82H,92H,12H,14H,12H,14H,94H,1cH DB 82H,92H,12H,14H,12H,14H,92H,82H,12H,14H,22H,14H,92H,12H,22H,24H DB 22H,24H,12H,92H,22H,24H,32H,24H,32H,52H,62H,54H,52H,64H,52H,32H DB 22H,32H,22H,12H,94H,82H,92H,12H,14H,12H,14H,22H,12H,1cH,32H,52H DB 62H,64H,62H,64H,0b2H,62H,52H,54H,62H,54H,32H,22H DB 12H,14H,12H,14H,24H,3cH,32H,22H,12H,14H,12H,14H,0b2H,62H,52H,54H,62H,54H,32H,52H DB 66H,0b2H,0b4H,62H,52H,5cH,32H,52H,62H,64H,62H,64H,0b2H,62H,52H,54H DB 62H,54H,32H,22H,12H,14H,12H,14H,54H,3cH,32H,22H,12H,14H,12H,14H,22H,32H DB 52H,54H,32H,54H,32H,52H,6fH,04H,02H,92H,32H,24H,12H,1fH DB 00。第八首歌《彩云追月》。TABLE90: DB 02H,11H,21H,32H,32H,22H,32H,21H,11H,0A1H,91H,92H,0D1H,91H,83H,91H,0A2H,91H,81H,94H,11H,0A1H,91H,0A1H,98H,03H,81H,0A1H,0A1H,91H,0A1H DB 98H,04H,02H,11H,21H,32H,32H,22H,32H,21H,31H,51H,11H,13H,31H,22H,22H,21H,11H,0A1H,11H,13H,11H,11H,0A1H,91H,0A1H DB 11H,93H,94H,03H,81H,11H,0A1H,91H,81H,92H,0A1H,91H,94H,08H,03H,81H,32H,21H,11H,22H,31H,21H,21H,83H DB 01H,11H,91H,0A1H,11H,61H,51H,11H,34H,01H,31H,21H,31H,48H,23H,31H,32H,42H,38H,03H,11H,21H,52H,31H DB 33H,31H,31H,41H,51H,61H,23H,21H,21H,41H,31H,21H,13H,0D1H,0D1H,21H,11H,0A1H,11H,91H,92H,91H,11H,0A1H,91H DB 0A1H,31H,31H,22H,0A1H,11H,14H,01H,11H,21H,31H,63H,31H,42H,51H,31H,31H,22H,11H,21H,52H,31H,33H,31H,31H,41H DB 51H,61H,23H,21H,21H,41H,31H,21H,13H,0D1H,0D1H,21H,11H,0A1H,11H,91H,92H,91H,11H,0A1H,91H DB 0A2H,41H,31H,22H,31H,21H,12H,12H,11H,11H,21H,31H,63H,51H,32H,11H,21H,26H,11H,0A1H,18H DB 00。2． 程序中的跳轉(zhuǎn)指令的運(yùn)用很重要，為保險(xiǎn)起見，都用LJMP,我們就遇到過跳轉(zhuǎn)指令用錯(cuò)程序無法正常運(yùn)行的現(xiàn)象。5． 程序的結(jié)構(gòu)要設(shè)計(jì)的合理，避免上下亂調(diào)用的現(xiàn)象，這樣會(huì)使程序更加清晰化。但還有問題。五、收獲，體會(huì)與建議：1． 本學(xué)期學(xué)習(xí)單片機(jī)的時(shí)間只有8周時(shí)間，對(duì)單片機(jī)的硬件設(shè)計(jì)，軟件設(shè)計(jì)掌握的深度不夠，但通過此次課程設(shè)計(jì)，卻改變了很多，首先對(duì)于硬件電路的工作原理有了進(jìn)一步的學(xué)習(xí)，同樣就有了進(jìn)一步的認(rèn)識(shí)；其次軟件方面，在程序的設(shè)計(jì)，程序的調(diào)試方面都學(xué)到了很多東西，這是第一次編寫單片機(jī)的大程序，很有成就感
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