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Which instruction in 8086 microprocessor is 6 bytes long?
mov
What is the MOV instruction of microcontroller PIC16F877A?
•The mov instruction carries out assignment in 8086 assembly language. •It which allows us place a number in a register or in a memory location (a variable) i.e. it assigns a value to a register or variable. Example: Store the ASCII code for the letter A in register bx.•A has ASCII code 65D (01000001B, 41H) •The following mov instruction carries out the task:•mov bx, 65d•We could also write it as:•mov bx, 41h•or mov bx, 01000001b•or mov bx, 'A'
Why mov R1R2 is invalid instruction?
mov r1r2 is invalid instruction because of there is no communication with ALU in its operation;
What is the size of the instruction queue in 8086?
In 8086 the instruction queue is 6 byte long. This is because even the longest 8086 instruction is 6 byte long. Thus it is possible to prefetch even the longest instruction in the instruction set.
What is immediate addressing of register?
i.e.-->mov ax,2000h (in 8086)
Can you give sample 8086 microprocessor programs?
Mov ax,1234 mov bx,2345 add ax,bx mov @(some memory location ) say 2200,ax hlt
Specify the opcode and operand in the instruction MOV HL?
mov H , L mov is opcode H L are operands
Write division of two 8 bit number using assembly language of Intel 8086?
Mov ax,[2020h] mov bx,[2022h] mul bl mov [2024h],ax hlt
What is the last instruction of ISR in 8086?
IRET
How Block moving program is writing in 8086 processor?
mov si,1300;source mov di.1500;destination mov ch,05;limit lo: mov al.[si] mov [di],al inc si inc di dec ch jnz lo
What is the asm code for 16 bit addition of 8086?
Code segment assume cs:code mov si,1500h mov di,1600h mov ax,[si] mov bx,[si+2] add ax,bx mov [di],ax mov [di+2],dx mov ah,4ch int 21h code ends end
What is the need of Instruction PointerIP in 8086 microprocessor?
The Instruction Pointer (IP) in an 8086 microprocessor contains the address of the next instruction to be executed. The processor uses IP to request memory data from the Bus Interface Unit, and then increments it by the size of the instruction.
