課程設(shè)計(jì)-單片機(jī)計(jì)算器-全文預(yù)覽
【正文】 R0,A POP ACC PUSH ACC XRL A,12H JZ NOTNUMBER POP ACC PUSH ACC XRL A,10H JZ NOTNUMBER POP ACC PUSH ACC XRL A,11H JZ NOTNUMBER POP ACC ACALL CHANGE MOV R0,A POP 00H RETNOTNUMBER:NOPKONA: ACALL DIS ACALL CCSCAN JNZ KONA POP ACC POP 00H CJNE A,12H,MULSUBNUM ACALL CALMULSUBNUM:CJNE A,10H,SUBNUM ACALL MULCALLSUBNUM: CJNE A,11H,DONE ACALL SUBCALLDONE: RETCHANGE: MOV 53H,52H MOV 52H,51H MOV 51H,50H RETCAL: PUSH 00H PUSH ACC MOV A,39H JZ RESET1 MOV 47H,50H MOV 46H,51H MOV 45H,52H MOV 44H,53H ACALL CLEARSCR MOV A,37H JNZ ISSUB//乘法 MOV A,42H MOV 0F0H,10H MUL AB ADDC A,43H PUSH ACC MOV A,46H MOV 0F0H,10H MUL AB ADDC A,47H MOV 0F0H,A POP ACC MUL AB PUSH ACC ANL A,0FH MOV 43H,A POP ACC PUSH ACC ANL A,0F0H RR A RR A RR A RR A MOV 42H,A POP ACC PUSH ACC MOV 48H,B MOV R0,48H MOV A,R0 ANL A,0FH MOV 41H,A POP ACC MOV A,B ANL A,0F0H RR A RR A RR A RR A MOV 40H,A AJMP CALDONERESET1:AJMP RESET//減法ISSUB: MOV R2,04H MOV R0,43H MOV R1,47HNEXT4: MOV A,R0 SUBB A,R1 ANL A,0FH CJNE A,0AH,NEXTC AJMP NEXT3NEXTC: JNC NEXT3 CLR C AJMP NEXTDNEXT3: SUBB A,06H SETB CNEXTD: MOV R0,A DEC R0 DEC R1 DJNZ R2,NEXT4 AJMP CALDONECALDONE:MOV 39H,00H MOV 50H,43H MOV 51H,42H MOV 52H,41H MOV 53H,40H AJMP CALENDRESET: ACALL CLEARSCR MOV 39H,01HCALEND: POP ACC POP 00H RETMULCALL:MOV 43H,50H MOV 42H,51H MOV 41H,52H MOV 40H,53H ACALL CLEARSCR MOV 37H,00H RETSUBCALL:MOV 43H,50H MOV 42H,51H MOV 41H,52H MOV 40H,53H ACALL CLEARSCR MOV 37H,01H RETCLEARSCR:MOV 50H,00H MOV 51H,00H MOV 52H,00H MOV 53H,00H RET END 單片機(jī)應(yīng)用系統(tǒng)設(shè)計(jì)——出租車計(jì)價(jià)器一. 系統(tǒng)功能介紹1. 可以實(shí)現(xiàn)在不同條件下，收費(fèi)標(biāo)準(zhǔn)不同：白天/晚上/途中等待超過10min收費(fèi)。本系統(tǒng)設(shè)計(jì)由單片機(jī)AT89S51為核心控制器和一些外圍模塊組成，使得其操作簡(jiǎn)單，顯示明了，功能豐富。2. 選擇所需元件，并對(duì)每個(gè)元件的管腳做簡(jiǎn)單說明。非自己設(shè)計(jì)的應(yīng)用系統(tǒng)應(yīng)理解消化，可修改（如增加或減少某些功能部件）。 具體設(shè)計(jì)包括系統(tǒng)設(shè)計(jì)和上機(jī)編程兩個(gè)部分。廣東工業(yè)大學(xué)課程設(shè)計(jì)任務(wù)書 題目名稱 單片機(jī)計(jì)算器
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