Create a procedure named CalcGrade that receives an integer value between 0 and

Question

Create a procedure named CalcGrade that receives an integer value between 0 and 100, and returns a single capital letter in the AL register. Preserve all other register values between calls to the procedure. The letter returned by the procedure should be according to the following ranges: Score Range - Letter Grade 90 to 100 A 80 to 89 B 70 to 79 C 60 to 69 D 0 to 59 F Write a test program that generates 10 random integers between 50 and 100, inclusive. Each time an integer is generated, pass it to the CalcGrade procedure. Display each integer and its corresponding letter grade (the Irvine32 library is required for this solution program because it uses the RandomRange procedure).

WRITE THE CODE IN ASSEMBLY LANGUAGE AND PLEASE WRITE THE COMMENTS AFTER EACh code so that i can understand properly.

Explanation / Answer

INCLUDE Irvine32.inc .data grade BYTE ?,0 grA BYTE "A",0 grB BYTE "B",0 grC BYTE "C",0 grD BYTE "D",0 grF BYTE "F",0 out_of_range BYTE "The integer is not = 0",0 .code main PROC call Randomize mov ecx,10 L1: mov eax,51 call RandomRange add eax,50 call GradeCalc mov edx,0 mov grade,al mov edx, OFFSET grade call WriteString call Crlf loop L1 exit main ENDP GradeCalc PROC .IF (eax = 0) .IF (eax 89) mov al,grA .ELSEIF (eax < 90) && (eax > 79) mov al,grB .ELSEIF (eax < 80) && (eax > 69) mov al,grC .ELSEIF (eax < 70) && (eax > 59) mov al,grD .ELSE mov al,grF .ENDIF .ELSE mov edx,OFFSET out_of_range call WriteString call Crlf ret .ENDIF ret GradeCalc ENDP END main

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