Question

Create a procedure that fills an array of doublewords with N random integers, making sure the values fall within the range j...k, inclusive. When calling the procedure, pass a pointer to the array that will hold the data, pass N, and pass the values of j and k. Preserve all register values between calls to the procedure. Write a test program that calls the procedure twice, using different values for j and k. Verify your results using a debugger.

Write this code using x86 assembly language using the irvine32 library

Answer 1

ANSWER:

INCLUDE Irvine32.inc Space 32 data strl BYTE "Enter the number of count for array elements",o str2 BYTE "The elements of array are",o SizeofArray dblWord? ;for storing maximum 100 elements myArray dbword 100 DUP (?) .code ;call the procedure main PROCEDR ;clear the screen mov edx, OFFSET strl ;write the string strl call WriteString ;read the count in EAX cau ReadDec

саїї Crlf ;save the count in SizeofArray mov SizeofArray,eax ;inserts first set of random integers in an array pass the address of array mov esi,OFFSET myArray pass the count of elements mov ecx, SizeofArray pass the value of j mov ebx,20 ;pass the value of k mov edx,50 cau fiuArray ;display the elements of array cali display саїї Crif саїї Crif ;insert second set of integers in an array

;pass the address of array mov esi,OFFSET myArray ;pass the count of elements mov ecx,SizeofArray ;pass the value of j mov ebx,56 pass thevalue of k mov edx, 120 call fillArray ;display the elememts of array call display call Crlf exit main ENDP fillArray PROCEDR USES ecx esi ebx edx insert N random integers in an array esi-receives address of array ecx-receives count of array ebx and edx-value of j & k

;initialize for generating unique integers call Randomize Labell ;save value of k in eax mov eax,edx ;Subtract value of j from eax sub eax,ebx ;the values of j and k are inclusive inc eax ;to generate a random integers in eax call RandomRange ;convert the random integer from range j to k add eax, ebx ;insert the integer in an array mov myArray[esi*4],eax point to next array element inc esi ;continue inserting loop Labell

ret fillArray ENDP display PROCEDR USES esi ecx edx mov edx, OFFSET str2 ;write the string str2 call WriteString call Crlf ;store the starting index of an array mov esi,0 runs the loop for N times mov ecx, SizeofArray Labell: ;store the array integer in eax mov eax , myArray[esi*4] ;write the elements of an array cau writeDec mov al, SPACE

put a space саїї WriteChar point to the next element of array inc esi continue the process of traversal loop Labell ret display ENDP END main

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