Webinc r0 inc dptr djnz r7,loop ret ajmp $ rte 多字节加法子程序: jasub: clr c jasub1: mov a,@r0 ;取出加数的一个字节(4B无符号数加数) addc a,@r1 ;加上另一数的一个字节 mov @r0,a ;保存和数 inc r0 ;指向加数的高位 inc r1 ;指向另一加数的高位 djnz r2,jasub1 ;全部加完了吗? flash1; mov p1,a ... WebPanjit International Inc. Manufacturer Product Number. RB751V-40_R1_00001. Description. DIODE SCHOTTKY 30V 300MA SOD323. Manufacturer Standard Lead Time. 10 Weeks. …
8051 Programming Tutorial - Chapter 1 - Electronic …
Webinc R1 ; R1++ mov B, @R1 ; B=mem[R1] inc R1 ; R1++ mov R0, @R1 ; R0=mem[R1]=C mul AB ;{A,B} = A*B add A, R0 ; A=A+R0 wait: sjmp wait R0 R1 R2 « R7 general purpose registers A … WebMar 31, 2024 · 题目如下 1.设计一个求解16位原码数据的补码的程序,要求:原码数据放在R1R0中,补码数据存放在R7R6中; 16位有符号数求补码,首先要判断这个数的符号,如果是正数,那么它的补码就是它本身,如果是负数,那么就得求反、再加一。 - 十进制: R1=8FH,R0=3FH; 二进制: 1000 1111,0011 1111 ORG 0000H MOV A,#8FH MOV … chinese movie free watch online
RB751V-40-AU_R1_000A1 Panjit International Inc. Discrete ...
Web单片机课后题测试题一一选择题1执行下列3条指令后,30h单元的内容是cmov r0,30h mov 40h,0eh mov r0,40h a40h b30h c0eh dffh2在堆栈中压入一个数据时ba先压栈,再令sp1 b先令sp1,再 WebJan 13, 2016 · The program is compiled in Keil for 8051 - AT89C51 in assembly language. Program to sort numbers in descending order, Flowchart:- Program:- ORG 0000 MOV R1,#40H MOV R3,#04H LOOP1 : MOV 02H,03H MOV B,@R1 MOV 00H,01H INC R0 LOOP2: MOV A,@R0 CJNE A,B,CHECK MOV @R0,#00H SJMP CONTINUE CHECK :JC CONTINUE … WebJan 14, 2024 · Instead of first counting in a couple of registers and then storing those to memory, you can directly count in memory. The JMP after will use 2 cycles, but you can replace it by a compensating DEC 40h that will only use 1 cycle. chinese movie how to train your dragon