at89s51試驗(yàn)教程第四章27(完整版)
【正文】 64000) MOD 256 SETB TR0 SETB ET0 AT89S51單片機(jī)實(shí)驗(yàn)及實(shí)踐教程 161 SETB EA WT: CLR ST SETB ST CLR ST WAIT: JNB EOC,WAIT SETB OE MOV GDATA,P0 CLR OE MOV A,GDATA MOV B,100 DIV AB MOV 33H,A MOV A,B MOV B,10 DIV AB MOV 34H,A MOV 35H,B SJMP WT T0X: NOP MOV TH0,(655364000)/256 MOV TL0,(655364000) MOD 256 MOV DPTR,DPCD MOV A,DPCNT ADD A,DPBUF MOV R0,A MOV A,R0 MOVC A,A+DPTR MOV P1,A MOV DPTR,DPBT MOV A,DPCNT MOVC A,A+DPTR MOV P2,A INC DPCNT MOV A,DPCNT CJNE A,8,NEXT MOV DPCNT,00H NEXT: RETI DPCD: DB 3FH,06H,5BH,4FH,66H DB 6DH,7DH,07H,7FH,6FH,00H DPBT: DB 0FEH,0FDH,0FBH,0F7H DB 0EFH,0DFH,0BFH,07FH END 8． C 語言源程序 include unsigned char code dispbitcode[]={0xfe,0xfd,0xfb,0xf7, 0xef,0xdf,0xbf,0x7f}。//IN3 unsigned char getdata。 while(1) { ST=0。 getdata=getdata%10。 if(dispcount==8) {
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鄂ICP備17016276號-1