Div-idiv-arithmetic instruction-microprocessor, Assembly Language

DIV: Unsigned Division:- This instruction performs unsigned division operation. It divides an unsigned word or double word by a 16-bit or 8-bit operand. The dividend might be in the register AX for 16-bit operation and divisor might be specified  by using any one of the addressing modes accept immediate. The result will be in the register AL (quotient) while register AH will contain the remainder. If the result is too big to fit in register AL, type 0 (divide by zero) interrupt is produced. In case of a double word dividend (32-bit), the higher word should be in register DX and lower word should be in the register AX. The divisor might be specified as already explained. The remainder and quotient , in this type of case, will be in AX and DX respectively. This instruction does not make any affect on any flag.

IDIV:  Signed Division:- This instruction performs the similar  operation  as the DIV  instruction, but with signed operands. The results are stored similarly as in case of DIV instruction in both cases of word and double word divisions. The results will be also signed numbers. The operands are also specified in the similar way as DIV instruction. Divide by 0 interrupt is produced, if the result is too big to fit in register AX (16-bit dividend operation) or register AX and register DX (32-bit  dividend  operation). All the flags are undefined after IDIV instruction. 

 

Posted Date: 10/12/2012 2:11:35 AM | Location : United States







Related Discussions:- Div-idiv-arithmetic instruction-microprocessor, Assignment Help, Ask Question on Div-idiv-arithmetic instruction-microprocessor, Get Answer, Expert's Help, Div-idiv-arithmetic instruction-microprocessor Discussions

Write discussion on Div-idiv-arithmetic instruction-microprocessor
Your posts are moderated
Related Questions
END : END of Program:- The END directive marks the ending of the assembly language program. When the assembler comes across this END directive, it avoided the source lines avai

Write a procedure to read a text file and copy its contents to another text file using 8086 assembly language .

http://www.raritanval.edu/uploadedFiles/faculty/cs/full-time/Brower/CISY256/2013Spring/CISY256%20Assembly%20Project.pdf

PTR : Pointer:- The pointer operator which is used to declare the type of a variable, label or memory operand. The operator PTR is prefixed by either WORD or BYTE. If the prefi

Display control 8279  provides  a  16  byte  display  memory  and  refresh  logic.  Every address in the display memory corresponds to a display unit with address zero represen

init_lcd                        ;(this initialises a 2 row lcd)     bcf     TRISA,0             ;PORTA bit 0 as an output (lcd RS pin)     bcf     TRISA,1             ;PORTA bit 1

hi!im looking for someone who expert in an assembly language and help me write the programmed!Thank you

Read Architecture : Look Aside Cache In "look aside" cache architecture the main memory is located conflictingthe system interface. Both the cache main memory sees a bus cycle

Write an assembly language program to find the maximum of: y = x 6 - 14x 2 + 56x for the range -2 ≤ x ≤ 4, by stepping one by one through the range. The program should in

do you have experts that know 4 digit 7_Seg dispaly