基于單片機(jī)的頻率計(jì)設(shè)計(jì)單片機(jī)課程設(shè)計(jì)報(bào)告-展示頁(yè)
2025-04-01 06:37本頁(yè)面
【正文】 DH RESULT6 EQU 4EH XIAOSHU EQU 4FH CUNCHU EQU 50H FLAG1 BIT 20H FLAG2 BIT 21H FLAG3 BIT 22H ORG 0000H LJMP START ORG 0003H LJMP OUTINT0 ORG 000BH LJMP TIMINT0 ORG 001BH LJMP TIMINT1 ORG 0100HSTART :MOV SP,60H LCALL LCDINIT LCALL DISPLAI LCALL VARINIT SETB FLAG3KEYLOOP:JNB FLAG3,KEYDOWN LCALL FIJUDGEKEYDOWN:LCALL DISPLAY JNB FLAG1,GOBACK LCALL CALCULAGOBACK: SJMP KEYLOOPLCDINIT:MOV COM,38H LCALL SENDCOM LCALL DELAY5 LCALL SENDCOM LCALL DELAY5 LCALL SENDCOM LCALL DELAY5 LCALL SENDCOM LCALL DELAY5 MOV COM,08H LCALL SENDCOM LCALL DELAY5 MOV COM,01H LCALL SENDCOM LCALL DELAY5 MOV COM,06H LCALL SENDCOM LCALL DELAY5 MOV COM,0CH LCALL SENDCOM LCALL DELAY5 RETVARINIT:MOV XIAOSHU,1 MOV ZANCUNB,0 MOV ZANCUNH,10H MOV ZANCUNM,84H MOV ZANCUNL,80H MOV RESULT1,0 MOV RESULT2,0 MOV RESULT3,0 MOV RESULT4,0 MOV RESULT5,0 MOV RESULT6,0 MOV R0,30H MOV R1,15CLEAR:MOV R0,0 INC R0 DJNZ R1,CLEAR RETFIJUDGE:CLR FLAG1 CLR FLAG3 MOV ZANCUNB,0 MOV ZANCUNH,1EH MOV ZANCUNM,84H MOV ZANCUNL,80H MOV R0,30H MOV R1,16CLEAR1 :MOV R0,0 INC R0 DJNZ R1,CLEAR1 MOV TH0,3CH MOV TL0,0B0H MOV TH1,0H MOV TL1,0H MOV TMOD,11H MOV TCON,11H MOV IE,83H MOV IP,02H RETDISPLAI:MOV DPTR,TABLE MOV R0,16 MOV R1,0 MOV R2,80HBACKDIS:MOV COM,R2 LCALL SENDCOM LCALL DELAY5 INC R2 MOV A,R1 MOVC A,A+DPTR MOV DAT,A LCALL SENDDAT INC R1 LCALL DELAY5 DJNZ R0,BACKDIS MOV DPTR,TABLE1 MOV R0,16 MOV R1,0 MOV R2,0C0HBACKDI2:MOV COM,R2 LCALL SENDCOM LCALL DELAY5 INC R2 MOV A,R1 MOVC A,A+DPTR MOV DAT,A LCALL SENDDAT INC R1 LCALL DELAY5 DJNZ R0,BACKDI2 RETDISPLAY:MOV A,XIAOSHU ADD A,0C9H MOV COM,A LCALL SENDCOM LCALL DELAY5 MOV DAT,2EH LCALL SENDDAT LCALL DELAY5 MOV R0,49H MOV R1,6SHUCHUD:MOV A,49H ADD A,XIAOSHU MOV B,A MOV A,R0 SUBB A,B JNC GODISPL MOV A,80H ADD A,R0 SJMP GODISPPGODISPL:MOV A,81H ADD A,R0GODISPP:MOV COM,A LCALL SENDCOM LCALL DELAY5 MOV A,30H ADD A,R0 MOV DAT,A LCALL SENDDAT LCALL DELAY5 INC R0 DJNZ R1,SHUCHUD RETCALCULA:MOV RESULT1,0 MOV RESULT2,0 MOV RESULT3,0 MOV RESULT4,0 MOV RESULT5,0 MOV RESULT6,0 MOV A,JISHU3 CLR C SUBB A,1 JC GODOWN1 MOV A,JISHU3 MOV B,10 DIV AB MOV RESULT1,A MOV RESULT2,B MOV A,JISHU2 MOV B,10 DIV AB MOV RESULT3,A MO
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鄂ICP備17016276號(hào)-1