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Org 0000h ajmp main org 0100h

WitrynaSolution: (a)MOV IP,#00000100B ;IP.2=1 assign INT1 higher priority. The instruction SETB IP.2also will do the same thing as the above line since IP is bit-addressable. (b) The instruction in Step (a) assigned a higher priority to INT1 than the others; therefore, when INT0, INT1, and TF0 interrupts are activated at the same time, the 8051 ... Witryna26 sty 2024 · 若省略org伪指令,则该程序段从0000h单元开始存放。 在一个源程序中,可以多次使用org伪指令规定不同程序段或数据段存放的起始地址,但要求地址值由小到大依序排列,不允许空间重叠。 汇编程序遇到end伪指令后即结束汇编。

单片机程序解释 ORG 0000H;LJMP START;ORG 0003H;LJMP INT_0;ORG …

Witryna23 sty 2024 · 中断的作用. (1)可以提高CPU的工作效率. CPU有了中断功能就可以通过分时操作启动多个外设同时工作,并能对它们进行统一管理。. CPU在与外设交换信 … Witryna7 lis 2004 · Status: offline. RE: ORG 0000H AND 0008H Saturday, November 06, 2004 11:50 AM ( permalink ) 0. It appears that you are combining absolute mode programming with relocatable mode programming. In absolute mode, the entire program is assembled from one source file at the same time. A hex file is produced as the assembler's output. dogfish tackle \u0026 marine https://threehome.net

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Witryna26 cze 2024 · 一.点亮led灯简单的对p1口进行操作就可以了代码:org 0000hajmp mainorg 0100hmain: mov p1,#0feh ;点亮led1 ajmp mainend二.延时控制流水灯延时 … Witrynaorg 0000h ajmp main ; 2000/1.2=1667,65536-1667=63869 (f97dh) org 001bh mov tl1,#7dh mov th1, #0f9h reti main: mov ie, #88h mov tmod,#10h mov tl1, #7dh mov th1, #0f9h setb tr1 timepass: ljmp timepass end write an asembly language program to measure an unknown frequency connected on pin p3.4(t0). use timer 0 in counter mode. Witryna19 cze 2010 · ORG (abbr. for ORiGin) is an assembly directive (not an instruction). It defines where the machine code (translated assembly program) is to place in … dog face on pajama bottoms

MCS51单片机定时器主程序,开始的几个语句不太懂,请好心人教 …

Category:用汇编语言写51单片机程序开头为什么一般都这样:ORG 0000H LJMP MAIN ORG …

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Org 0000h ajmp main org 0100h

单片机 程序 ORG 0000H LJMP MAIN - 百度知道

Witryna4 maj 2024 · t_const equ 10000h-200 org 0000h ajmp main org 000bh ;t0的中断入口地址 ajmp t0_int ;t0的中断服务程序 org 0100h main: mov sp,#60h ;设置堆栈 mov tmod,#05h ;设置模式字 第七章 定时器/计数器 mov count,#00h ;单元清零 mov th0,#high(t_const);送初值高8位 mov tl0,#low(t_const) ;送初值低8位 setb et0 ;et0=1 … Witryna12 kwi 2024 · org 0000h ;伪指令,指定程序从0000h开始存放. ljmp main; 跳转指令,程序跳转到main处. org 0100h ;伪指令,指定以下程序从0100h开始存放. main: …

Org 0000h ajmp main org 0100h

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Witryna24 maj 2012 · ORG 0100H是指明下面紧接的代码存放的起始地址为0100H. 所以不能和中断入口地址(0000H - 002FH)重复了,. MOV SP,#40H 是把堆栈指针设在#40H处(SP指向的是栈顶部所以常设在30H - 7FH的这一片RAM中),目测你的程序上压根没有用到堆栈,这个要不要都可以的,所以也随你 ... WitrynaOrg 0000h Ajmp start Org 0030h Start: mov r0,#09h Mov r1, #09h Mov r2, #09h Mov r6, #09h Mov dptr,#TAB Main: mov r7,#200h Loop: lcall disp ORG 0000H LJMP START …

Witryna30 gru 2015 · 汇编参考程序: org 0000h 上电后程序从00000h开始ljmp start ;转移到主程序 org 000bh ;定时器t0的中断入口地址 ljmp intt0 ;转到中断子程序 org 0100h 主程 … Witryna29 kwi 2024 · 1)ORG 是汇编的伪指令 告诉编译器我的代码放在什么位置. 2)在单片机复位的时候 在你没有做任何改变的时候 程序指针会是指向0000H的地址. 3)所以我们把MAIN卸载地址0000H 让单片机复位后直接跳转到 MAIN的程序段去执行. 4)ORG 0030H 是你程序的代码开始地址 ...

Witrynaorg 0000h ajmp main ;程序起始 org 0003h ;入口地址 ajmp wbint mov r4,#0 loop1: mov a,r4 movc a,a+dptr mov p1,a inc r4 lcall delay lcall delay djnz r6,loop1 loop2: … Witrynaorg 0000h ajmp main ; 2000/1.2=1667,65536-1667=63869 (f97dh) org 001bh mov tl1,#7dh mov th1, #0f9h reti main: mov ie, #88h mov tmod,#10h mov tl1, #7dh mov …

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Witryna6 cze 2012 · ORG 0000H ; 上电 & 复位 入口地址. LJMP START ; 一般为 转向主程序. ORG 0003H ; 外部 INT0 中断向量入口地址. LJMP INT_0 ; 转向外部 INT0 中断 服务程序. ORG 0040H ; 程序从这里开始. START: SETB EA ; 开总中断. SETB IT0 ; IT0=1,外部中断0为下降沿触发方式. SETB EX0 ; 开外部 INT0 中断. A_D ... dogezilla tokenomicsWitrynadirectly into an EPROM at 0000h. Now since the EPROM knows nothing about ORG 0100h and only responds to the address bits A0 - A11 the program will HAVE to load … dog face kaomojiWitryna9 kwi 2024 · STC89C51电子书-在线书刊制作-云展网在线书城 ... 分享至 doget sinja goricaWitryna解:org 0000h mov r0,#21h mov r1,#23h mov a,r0 add a,r1 mov 25h,a dec r0 dec r1 mov a,r0 addc a,r1 mov 24h,a sjmp $ end 8.编写程序,把外部 ram 中 1000h~101fh 的内容传送到内部 ram 的 30h~4fh 中。 dog face on pj'sWitrynaThe following sample assembly language program using the Instruction Set of 8051 shows the function to sum up the first 10 natural numbers. ; Jump to main ORG 0000h LJMP main ORG 0x40h main: MOV RO,#0Ah MOV R1,#01h loop: ADD AR1 INC RI DJNZ RO, loop MOV R4A end ; Initialize number of values (Register RO) to 10 ; … dog face emoji pngWitryna27 maj 2011 · 原因:单片机中,0000h单元为系统启动地址,org 0000h ajmp main 就是在该地址存放一条绝对跳转指令,转入主程序的入口地址。org 0030h 是为了把用户 … dog face makeupWitrynaORG 0000H LJMP MAIN ;by-pass interrupt ;vector table;- – ISR for INT1 to turn on LED. ORG 0013H ;INT1 ISR SETB P1.3 ;turn on LED MOV R3,#255. BACK: DJNZ R3,BACK ;keep LED on for a while. CLR P1.3 ;turn off the LED RETI ;return from ISR ... dog face jedi