Delay proc push bx 这里用到堆栈 push cx mov bx 2
Webpush cx mov cx,8ee8h fof: push bx pop bx loop fof pop cx ret delay endp.data.stack end (4)延时子程序的设计方法 在一盏灯的亮灭之间,有如下语句: call delay mov … WebNov 12, 2008 · 2012-04-01 汇编语言5秒的延时程序怎么写(微机原理) 5. 2014-04-09 求汇编语言延时程序,延时10毫秒的延时程序 18. 2009-06-01 汇编语言中如何设置延迟? 72. …
Delay proc push bx 这里用到堆栈 push cx mov bx 2
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WebApr 25, 2024 · RET ENDP 实现延时1s操作,需要用到内外2个循环,3个寄存器BX和CX和AL,内循环设置参数为325,BX计数,相当于1ms,外循环设置循环次数为1000,CX计数,相当于循环1000次1ms,即为1s,AL存1,代表延时的秒数。 WebSet 1 million microseconds interval (1 second) By using below instruction . MOV CX, 0FH MOV DX, 4240H MOV AH, 86H INT 15H. You can set multiple second delay by using 86H and INT 15H. check these links for more details. Waits a specified number of microseconds before returning control to the caller. INT 15H 86H: Wait.
WebJun 3, 2024 · CMP AL, 0 JZ MLoop ; 无键入, 继续查询 CALL Delay ; 消抖动 CALL GetKey ; 读入键码 修改设置 CMP AL, 0FFH JZ MLoop MOV BX, offset LEDMAP XLAT MOV DX, DOUT OUT DX, AL JMP MLoop TestKey proc near ; 无键按下,返回为0 MOV DX, KEY_RAS MOV AL, 0 OUT DX, AL ; 输出线置为0 MOV DX, KEY_CAS IN AL, DX ; 读入 … WebAug 15, 2024 · 微机原理课后习题答案. 系统标签:. mov 操作数 指令 微机 习题 hlt. 1.3微型计算机采用总线结构有什么优点?. 解:采用总线结构,扩大了数据传送的灵活性、减少了连接。. 而且总线可以标准化,易于兼容和工业化生产。. 2.6IA-32结构微处理器支持哪几种操作模 …
WebDec 4, 2014 · 关注. L1: push cx ;cx的值压入堆栈保存,它的数值表示总共画多少行. mov cx,300 ;cx=300,意思是循环300次,在屏幕上每行画出300个点. L2:mov ah,0ch ;ah=0ch,int10h的0c号功能是写一个像素点. mov al,12 ;al=12 ,表示颜色. int 10h ;调用中断 int 10h 写一个像素点. LOOP L2 ;循环 ... WebSep 11, 2024 · code segment assume cs:code start:mov dx,283h mov al,80h out dx,al mov cx,16 mov al,00h word 文档 l1:movdx,280h out dx,al call delay inc al loop l1 mov …
WebOct 13, 2024 · One day, I too needed a delay routine capable of doing delays ranging from 0.5 sec to just a few msec.Read all about it in this CodeReview question, and especially the reason why I needed to take this approach.. My solution was to find out how many iterations a delay routine can do in the interval between 2 ticks of the standard 18.2Hz timer.
Webpush、pop指令. 我们之前一直在使用 push ax,pop ax,显然push和pop指令是可以在寄存器和内存 (栈空间当然也是内存空间的一部分,它只是一段可以用特殊方式进行访问的内 … bank liquidatedWebMay 20, 2016 · 1 Answer. In your LISTEN_KEYBOARD procedure you check the keyboard but you fail to interpret the ZeroFlag before comparing the scancode in the AH register. If the ZF is set then there is nothing of any importance in the AH register! PUSH AX MOV AH,1 INT 16H jz GO Add this line. CMP AH,48H JE UP CMP AH,50H JE DOWN JMP GO. point zero saint john nbWebJan 20, 2024 · 对于不同的计算机,因为其主频不同,延时1s的参数也不相同,计算延时的方法如下: 计算机主频:x (Hz). 一条LOOP语句执行始终周期数:y. 所需要延时的时 … bank listWebJun 1, 2024 · mov byte ptr [si],'$' push di call print add sp,[bp+2] ;pops pop di In the Upper proc , the pop di is the culpritt. The print proc already returned with the parameter removed from the stack (ret 2). Just delete pop di.. BEWARE. If the SS and DS segment registers are different in your program, numerous other changes are needed to make this "String In … bank list as per rbiWebJun 15, 2016 · 以十进制输出ax的值(0-65535)1.方法一:通过堆栈来实现入栈:ax每次除以10,将余数压栈,商就保存在ax里,并用cx计入栈个数。当商不为0时,继续循环;否则开始出栈出栈:将刚刚保存的余数分别出栈,变为对应的ASCII值后输出dec_out1 proc near push ax push bx push cx push d point vueWebMay 28, 2012 · 设计一个延时的子程序,循环程序段执行10000次。调用该子程序可以延时一定的时间 softdly proc mov bl, 10 ;将10这个数字传入到bl中 delay: mov cx, 1000 ;delay是这条指令的名称,方便调用,此处将1000传入cx中 wait1: loop wait1 ;采用计算机给出的loop循环指令,loop: cx <-- cx-1, 若cx!=0,继续循环调用wait1的第一句loop指令 ... point volunteerWebAug 31, 2024 · delay proc ; 延时子程序 push bx push cx mov bx, 1 lp1: mov cx, 1200 lp2: loop lp2 dec bx jnz lp1 pop cx pop bx ret delay endp 效果. 参考:《微机原理与接口技术实验-基于proteus仿真》 point well kit