求C51单片机汇编语言控制两位数码管倒计时程序,最好能说明下思路_百度...答:查询方式:ORG 00H START: MOV R0,#20 MOV R4,#60 LP0: MOV TMOD,#01H MOV TH0,#3CH MOV TL0,#0B0H MOV DPTR,#TABLE SETB TR0 LP1: JBC TF0,LP2 ACALLDISP AJMP LP1 LP2: DJNZ R0,LP0 CLR TR0 MOVR0,#20 MOV A,R4 CJNE A,#0,DEC1 MOV R4...
跪求51单片机音乐盒汇编语言程序,急用!!!谢谢@@答:HUAN BIT 20H ORG 0000H JMP MAIN ORG 000BH MOV TL0,R2 MOV TH0,R3 CPL P2.0 ORG 001BH DJNZ R4,GOON MOV IE,#80H JMP T1END GOON: MOV TL1,#0B0H MOV TH1,#3CH T1END: RETI ORG 0100H MAIN: MOV R5,#99H LOOP: MOV TMOD,#11H MOV IP,#02H MOV TL0,#0B0H SETB EA...
51单片机汇编语言答:K1 EQU P3.2 K2 EQU P3.3 ORG 0000H LJMP MAIN ORG 0030H MAIN:MOV DPTR ,#LEDTAB1 MOV R2,#0 LOOP:MOV A,R2 MOVC A,@A+DPTR MOV P0,A JB K1,LOOP1 JNB K1,INC R2 SJMP LOOP LOOP1:JB K2,LOOP JNB K2,CJNE R2,#0,LOOP3 SJMP LOOP LOOP3:DEC R2 SJMP LOOP ;--- LED...