51单片机 用汇编语言编程 有大神帮忙写一下程序吗答:ORG 0000HLJMP MAINORG 001BHLJMP T1ISRORG 0030HMAIN: MOV TMOD,#20H MOV TH1,#6 MOV TL1,#6 SETB TR1 SETB ET1 SETB EA MOV R2,#100 MOV R0,#30H MOV R1,#50 MOV DPTR,#2000H SJMP $T1ISR: DJNZ R2,T1E MOV R2,#100 MOV A,@R0 ...
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...