In al 21h and al 0f3h out 21h al

Author: rglg

August undefined, 2024

Weband al,0efh out 21h,al mov ax,350ch ; get interrupt vector (int 0Ch) int 21h mov word ptr old_int0C,bx mov word ptr old_int0C,es lea dx,new_int0C ; set interrupt vector mov ax,250ch int 21h mov cl,4 ; terminate and stay resident mov dx, offset begin add dx, 10fh shr dx,cl mov ax,3100h int 21h Main endp Codeseg ends end Main ... http://computer-programming-forum.com/45-asm/a55d04dc22f255cf.htm

int 21 h for screen display - SlideShare

WebAlso, using Int 21h with 35h in al for setting an interrupt vector is called "a safe way of seeting an interrupt vector". What is the difference ... - IN AL,21h; OR AL,2; OUT 21h,AL - writing 8042(8742) command byte (complicated procedure) without OBF interrupt enable; needs at least AT (do you have older machine?) WebIN AL,21H AND AL,55H OUT 21H,AL; Question: Suppose the address of IMR in an 8259A is 21H. What is the purpose of the following program code? IN AL,21H AND AL,55H OUT … how to split vocal

Register content and Flag status after Instructions

WebMar 17, 2024 · 1. INT 21H FOR SCREEN DISPLAY && INT 10H OPERATIONS. 2. Video Screen Operations • Screen Display with INT 21h – functions 02h to display a character – function 09h to display a string • Setting the cursor position on the screen – INT 10h ;with function 02h • Clearing the screening and Scrolling – INT 10h ;with function 06h. 3. WebApr 3, 2024 · توقيت مباراة الاهلى والهلال اليوم الاحد 3/4/2024 والقنوات الناقله للمباراة WebJan 11, 2024 · Summary (2024-02-10) Critical infrastructure, provides further for crime of unauthorized entry of a critical infrastructure, including unmanned aircraft systems, … how to split video and audio in premiere pro

Experiment N o 2 Input and Output - KFUPM

DOS Interrupts - SCU

WebFeb 12, 2024 · IN AL，21H AND AL，0DFH OUT 21H，AL 1 2 3 (2) 系统中断主中断MIRQ3 (3) 系统中断从中断SIRQ10。 2、8255的PC6作为中断源连接到MIRQ3上，每向8259A发出 … WebSolution for What will be the value of AH after executing the following code mov al, 0F3H mov ah, 0F3H mov ecx, 3 shifting : shr al, ... See Solutionarrow_forward Check out a sample Q&A here. View this solution and millions of others when you join today! See Solutionarrow_forward Check out a sample Q&A here. how to split video onlineWebOct 25, 2024 · Discuss. Basically, you are given a set of instructions and the initial content of the registers and flags of 8085 microprocessor. You have to find the content of the … how to split video on youtube

"WebApr 24, 2024 · INT 21H will generate the software interrupt 0x21 (33 in decimal), causing the function pointed to by the 34th vector in the interrupt table to be executed, which is typically an MS-DOS API call. Share Improve this answer Follow answered Apr 28, 2014 at 12:21 Abraham Jacob 71 1 1 Add a comment 0 " - In al 21h and al 0f3h out 21h al

In al 21h and al 0f3h out 21h al

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WebFeb 12, 2024 · IN AL，21H AND AL，0DFH OUT 21H，AL 1 2 3 (2) 系统中断主中断MIRQ3 (3) 系统中断从中断SIRQ10。 2、8255的PC6作为中断源连接到MIRQ3上，每向8259A发出中断请求，使LED指示等交替点亮和熄灭。中断5次后程序退出. 编程提示 (1)中断服务程序的主要功能是交替点亮和熄灭LED指示灯（即第1次进中断点亮LED，第2次进中断则熄 … Webin al,dx or al,00000001b ;Strobe, tell printer to read out dx,al ; the port. out 0BDh,al ;i/o delay (jmp $+2) jmp print ;Loop for more. alldone: in al,21h ;Disable IRQ's 5 and 7. or al,10100000b out 21h,al . mov ax,word ptr cs:[Old_Int +2] mov dx,word ptr cs:[Old_Int] mov ds,ax

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WebDec 28, 2024 · The whole means copy a byte from the port 21H to AL. AND operation should be in the format AND destination, source. Here the data in the accumulator and the in the port 55H will be multiplied. That is if all bits are high the output is high, if one bit is low the output should be low. OUT is used to copy data from accumulator to an output port ... http://spike.scu.edu.au/%7Ebarry/interrupts.html

WebApr 11, 2024 · in al, 21 h pu sh ax an d al, 0 fbh;修改IMR，变为 1111 1011 ，使IRQ 2 为 0 ou t 21 h,al in al, 0 a 1 h pu sh ax an d al, 0 fbh;这里只是恰好使用了从片 10 号IRQ，所以也是 0 fbh，其他要自己修改 ou t 0 a 1 h,al mo v counter, 0 st i start1: cm p counter, 5 jb start1 ;这里的“死循环”可以通过外部中断打断，new 72 中断中有修改counter的指令 cl i po p ax ou t … WebIf you are a youth living in Alabama, 4-H has something for you! Check out our 4-H projects. If you can’t find one that interests you, we’ll help you develop one. ... (Alabama A&M …

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WebApr 19, 2024 · entry: DH = Character to print, after execution AL = DH. INT 21h / AH=6 – Direct console input or output. INT 21h; output Character. INT 21h; get Character from … how to split window in halfWebEntry: AL = what to return in BH (00h OEM number, 01h version flag) Return: AL = major version number (00h if DOS 1.x) AH = minor version number; BL:CX = 24-bit user serial … how to split videos in shotcutWebSolution for What will be the value of AH after executing the following code mov al, 0F3H mov ah, 0F3H mov ecx, 3 shifting : shr al, ... See Solutionarrow_forward Check out a … how to split videos in after effectsWebcycle: in al, 21h;从21h号端口输入8位数据到al寄存器； xlat gray: and al, 7fh; 输入数据的最高位置0； out 21h, al; 将置0后的数据从21h号端口输出: loop cycle: ret: mycode ends: end go how to split vocal and instrumentalWebJun 13, 2024 · This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. how to split wifi on vodafone routerWebNov 20, 2014 · MOV DX, 20h OUT DX, AL IN AL, DX ; ...(read IRQ level) MOV AH, AL OR AL, AL JNZ DU_1 MOV AL, 0FFh ; Not hardware, say 0FFh IRQ JMP short DU_2 DU_1: INC DX IN AL, DX ; Clear the IRQ OR AL, AH OUT DX, AL DEC DX MOV AL, DL OUT DX, AL ; ...to 8259 interrupt chip DU_2: MOV DS:6Bh, AH ; Save last nonsense interrupt POP AX POP DX POP … how to split wide logsWebIN AL,21H AND AL,55H OUT 21H,AL Expert Answer Who are the experts? Experts are tested by Chegg as specialists in their subject area. We review their content and use your feedback to keep the quality high. The purpose of the following code is to perform AND operation . how to split videos on imovie