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數(shù)理與信息工程學(xué)院-611533411(參考版)

2025-06-20 07:23本頁(yè)面
  

【正文】 最后,我還要感謝韓建民老師和電子071的張琦同學(xué),他們?cè)啻尾粎捚錈┑貫槲医獯鹆瞬簧僖苫?,使我在?duì)指令系統(tǒng)的理解上少走了不少?gòu)澛?。因?yàn)槠綍r(shí)時(shí)間沒合理的安排和利用,課程設(shè)計(jì)到了最后這一周才完成,可能有不少缺漏或者錯(cuò)誤,希望老師加以批評(píng)指正。之后也就開始慢慢加緊補(bǔ)前面落下的知識(shí)。實(shí)驗(yàn)課做實(shí)驗(yàn)的時(shí)候也不再像之前那樣呆在實(shí)驗(yàn)室不知道該干什么。我覺得單片機(jī)作為微型計(jì)算機(jī)的一種,必然和計(jì)算機(jī)有一定的共性。最初從指令系統(tǒng),尋址方式,到單片機(jī)的內(nèi)部資源,一點(diǎn)概念都沒有。最初聽余老師講的單片機(jī)的課的時(shí)候,屬于余老師每問必倒的學(xué)生之一。 END 結(jié) 束 語(yǔ) 單片機(jī)作為一門軟硬件相結(jié)合的學(xué)科,讓許多像我這樣的非電子專業(yè)的學(xué)生頭疼不已。蘭花卻依然 DW 2702H,2502H,2402H,2002H,2208H 。一日看三回 DW 2502H,2702H,2502H,2402H,2206H,1D02H 。種在小園中 DW 2902H,2C02H,2D02H,2A02H,2908H 。我從山中來 DW 2502H,2702H,2502H,2402H,2208H 。==== 計(jì)數(shù)器初值表==TABLE1: DW 64021,64103,64260,64400 DW 64524,64580,64684,64777 DW 64820,64898,64968,65030 DW 65058,65110,65157,65178《蘭花草》。==== 中斷服務(wù)子程序 ===INT_T0: MOV TH0,STH0 MOV TL0,STL0 CPL RETI。=== 延時(shí)參數(shù)表 ===DELAY_T: DS 1DH DB 7EH,77H,00H DB 6AH,00H,5EH,00H,54H,4FH,00H,46H DB 00H,3FH,3BH,00H,35H,32H,2FH,00H DB 2AH,27H,00H,23H,00H,1FH,1DH,0C0H DB 1AH 10ms延時(shí)子程序。 廷時(shí)值在R4內(nèi) MOV R0,AXL2: MOV R1,03HDL1: NOP DJNZ R1,DL1 DJNZ R0,XL2 RET 1/8拍周期表。=== 發(fā)聲子程序 === SOUND: SETB SPK ACALL SDELAY CLR SPK ACALL SDELAY RET 延時(shí)子程序。 查表取出廷時(shí)參數(shù),保存到R4 MOV DPTR,DELAY_T MOVC A,A+DPTR MOV R4,A MOV A,R7 。 取出節(jié)拍 RL A JNZ KEEP MOV A,01HKEEP: MOV R2,AREPEAT: ACALL EIGHTH DJNZ R2,REPEAT RET。判斷按鍵是否松開 ANL A,0FH XRL A,0FH JNZ DK1A CLR TR0 NOKEY1: MOV P2,0FFH CLR MOV A,P2 ANL A,0FH XRL A,0FH JZ NOKEY2 LCALL DELY10MS MOV A,P2 ANL A,0FH XRL A,0FH JZ NOKEY2 MOV A,P2 ANL A,0FH CJNE A,0EH,NK5 MOV KEYBUF,4 LJMP DK2 NK5:CJNE A,0DH,NK6 MOV KEYBUF,5 LJMP DK2 NK6:CJNE A,0BH,NK7 MOV KEYBUF,6 LJMP DK2 NK7:CJNE A,07H,NK8 MOV KEYBUF,7 LJMP DK2 NK8:NOP DK2: MOV A,KEYBUF MOV DPTR,TABLE MOVC A,A+DPTR MOV P0,A MOV A,KEYBUF MOV B,2 MUL AB MOV TEMP,A MOV DPTR,TABLE1 MOVC A,A+DPTR MOV STH0,A MOV TH0,A INC TEMP MOV A,TEMP MOVC A,A+DPTR MOV STL0,A MOV TL0,A SETB TR0 DK2A:MOV A,P2 ANL A,0FH XRL A,0FH JNZ DK2A CLR TR0 NOKEY2: MOV P2,0FFH CLR MOV A,P2 ANL A,0FH XRL A,0FH JZ NOKEY3 LCALL DELY10MS MOV A,P2 ANL A,0FH XRL A,0FH JZ NOKEY3 MOV A,P2 ANL A,0FH CJNE A,0EH,NK9 MOV KEYBUF,8 LJMP DK3 NK9:CJNE A,0DH,NK10 MOV KEYBUF,9 LJMP DK3 NK10:CJNE A,0BH,NK11 MOV KEYBUF,10 LJMP DK3 NK11:CJNE A,07H,NK12 MOV KEYBUF,11 LJMP DK3 NK12:NOP DK3: MOV A,KEYBUF MOV DPTR,TABLE MOVC A,A+DPTR MOV P0,A MOV A,KEYBUF MOV B,2 MUL AB MOV TEMP,A MOV DPTR,TABLE1 MOVC A,A+DPTR MOV STH0,A MOV TH0,A INC
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