Web2 feb. 2009 · CLR 21H.0 CLR 20H.5 MOV A,35H ACALL Q0366 CLR 20H.6 CLR EA CLR ET1 CLR ET0 SETB point ACALL Q03AD Q0180: JNB stop,$ JNB stop,Q0180 Q018A: JB ampadd,Q01B7 JB ampadd,Q01B7 JNB 21H.0,Q01B7 JNB ampsub,Q01B7 JNB stop,Q01B7 MOV A,48H CJNE A,#63H,Q01A4 AJMP Q01B7 Q01A4: INC 48H CLR … Web22 okt. 2024 · jnc loop_2 ;是,转loop_2 mov temp1,temp2 mov a,temp1 mov x,#1 call conv0 mov a,r3 ;恢复有效键值 mov temp2,a ;低位 mov x,#2 call conv0 mov a,temp1 anl a,#0fh swap a orl a,temp2 mov res_h,a jmp loop0 loop_2: mov res_h,temp2 ajmp loop0a loop0: call key_in jnb 20h.0,loop0 call beep_bl loop0a: mov a,r3 ;重装键值 cjne a,#0ah,loop1 ;加 ...
89c51单片机的汇编程序,帮忙翻译-CSDN社区
Web3 aug. 2011 · clr 20h.0 ;实现功能举例..... reti ;退出中断,注意不是ret 最后在源程序代码开始处写如下语句: org 0000h ljmp start ;跳转到主程序 org 000bh ljmp timer0_p ;定时中 … WebAGAIN: JNB TF0,AGAIN ;monitor timer flag 0 until it rolls over CLR TR0 ;stop timer 0 CLR TF0 ;clear timer 0 flag RET (a)In the above program notice the following step. 1. TMOD is loaded. 2. FFF2H is loaded into TH0-TL0. 3. P1.5 is toggled for the high and low portions of the pulse. 4. The DELAY subroutine using the timer is called. 5. In the ... how to dry a large area rug after cleaning
8051-/7.txt at master · 1369455660/8051- · GitHub
Web;存数 01000l sjmp $ 202e0/1n2/1d2 7 例:多字节无符号数相加。 设被加数与加数已分别在以adr1与adr2为初址的片内数 据存储器中,自低字节到高字节依次存放;它们的字节数为 l;要求加得的和放回原放被加数的单元。 Web2 apr. 2011 · clr p3.2 setb 20h.0 ljmp q01b2 q01a0:clr p3.2 mov r3,#64h djnz r3,$ lcall q01d3 djnz 1fh,q01af ljmp q01b2 q01af:ljmp q00fd q01b2:setb ea jnb 20h.0,q01ba lcall q0228 q01ba:inc 67h djnz 66h,q01c2 ljmp q01c5 q01c2:ljmp q00ec q01c5:ljmp q00e3 q01c8:mov r1,#00h mov r2,#00h q01cc:djnz r2,$ Web14 apr. 2024 · 51单片机设计0~99秒的工作原理 51单片机设计0~99秒的工作原理,单片机的工作原理与计算机cpu的工作原理是一样知或带的,主要是利用片内的半导体存储器存 … how to dry a laptop