Initial revision
penguinc
commit
870b4bb8d0
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@ -0,0 +1,175 @@
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; twocalc.asm
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; Andrew Coleman
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; This contains several algorithms for performing calculations on
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; two dimensional matrices.
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include irvine32.inc
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MAXIMUM_COLUMN_SIZE = 10
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.data
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matrix_row_length dword 4 * MAXIMUM_COLUMN_SIZE
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element_input_message byte "Enter matrix element: ",0
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left_coordinate_message byte "(",0
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middle_coordinate_message byte ",",0
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right_coordinate_message byte ")",0
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.code
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; Fills a matrix with user supplied values.
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; Arguments:
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; 1. address of array
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; 2. address of the row counting variable
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; 3. address of the column counting variable
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PopulateMatrixWithUserValues proc
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push ebp
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mov ebp, esp
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pushad
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mov edi, [ebp + 08h]
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mov ebx, 0
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StartMatrixElementRow:
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mov esi, edi
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mov ecx, 0
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GetMatrixElement:
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mov edx, offset left_coordinate_message
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call writeString
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mov eax, ebx
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call writeInt
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mov edx, offset middle_coordinate_message
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call writeString
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mov eax, ecx
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call writeInt
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mov edx, offset right_coordinate_message
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call writeString
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mov edx, offset element_input_message
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call writeString
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call readInt
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mov [esi], eax
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add esi, 4
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inc ecx
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mov eax, [ebp + 10h]
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cmp ecx, [eax]
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jl GetMatrixElement
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inc ebx
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mov eax, [ebp + 0Ch]
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cmp ebx, [eax]
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je FinishUpMatrixInputAndReturn
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add edi, matrix_row_length
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jmp StartMatrixElementRow
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FinishUpMatrixInputAndReturn:
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popad
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pop ebp
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ret 12
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PopulateMatrixWithUserValues endp
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; CountPositiveMatrixElements counts the number of elements greater than 0
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; Arguments:
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; 1. Address of array
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; 2. Address of row counter
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; 3. Address of column counter
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; 4. Address of result counter
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CountPositiveMatrixElements proc
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push ebp
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mov ebp, esp
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pushad
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mov edi, [ebp + 08h]
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mov eax, [ebp + 0Ch]
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mov edx, [eax]
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xor esi, esi
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BeginCountingElementsInRow:
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push edi
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mov eax, [ebp + 10h]
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mov ecx, [eax]
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CountInRow:
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mov eax, [edi]
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cmp eax, 0
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jl FinishUpElementAndContinueCounting
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inc esi
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FinishUpElementAndContinueCounting:
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add edi, 4
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dec ecx
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jg CountInRow
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pop edi
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add edi, matrix_row_length
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dec edx
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jg BeginCountingElementsInRow
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mov eax, [ebp + 14h]
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mov [eax], esi
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popad
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pop ebp
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ret 16
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CountPositiveMatrixElements endp
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; SumMatrixDiagonalSquares
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; Arguments:
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; 1. Address of array
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; 2. Address of dimension
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; 3. Address of result counter
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SumMatrixDiagonalSquares proc
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push ebp
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mov ebp, esp
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pushad
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mov edi, [ebp + 08h]
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mov eax, [ebp + 0Ch]
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mov ecx, [eax]
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xor esi, esi
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DiagonalCount:
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mov eax, [edi]
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imul eax
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add esi, eax
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add edi, matrix_row_length
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add edi, 4
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dec ecx
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jg DiagonalCount
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mov eax, [ebp + 10h]
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mov [eax], esi
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popad
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pop ebp
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ret 12
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SumMatrixDiagonalSquares endp
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; SumMatrices
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; Arguments
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; 1. Address of first matrix
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; 2. Address of second matrix
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; 3. Address of third matrix
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; 4. Address of row counter
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; 5. Address of column counter
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SumMatrices proc
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push ebp
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mov ebp, esp
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pushad
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mov edi, [ebp + 08h]
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mov esi, [ebp + 0Ch]
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mov edx, [ebp + 10h]
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mov eax, [ebp + 14h]
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mov ebx, [eax]
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StartMatrixRow:
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mov eax, [ebp + 18h]
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mov ecx, [eax]
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push edi
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push esi
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push edx
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CalculateMatrixRow:
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mov eax, [edi]
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add eax, [esi]
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mov [edx], eax
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add edi, 4
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add esi, 4
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add edx, 4
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dec ecx
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jg CalculateMatrixRow
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pop edx
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pop esi
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pop edi
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add edx, matrix_row_length
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add esi, matrix_row_length
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add edi, matrix_row_length
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dec ebx
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jg StartMatrixRow
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popad
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pop ebp
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ret 20
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SumMatrices endp
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end
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@ -0,0 +1,11 @@
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@echo off
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set MASM=C:\Masm615
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set PATH=%PATH%;%MASM%
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set INCLUDE=%MASM%\include
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set LIB=%MASM%\lib
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ml -Zi -c -Fl -coff three.asm threecalc.asm threefile.asm
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if errorLevel 1 goto endp
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link32 three.obj threecalc.obj threefile.obj irvine32.lib kernel32.lib /subsystem:console /debug
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:endp
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@ -0,0 +1,255 @@
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include irvine32.inc
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CR=0Dh
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LF=0Ah
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NULL=0
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.data
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; simple numbers to keep track of various bits of information about the array
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array dword 100 dup (?)
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avg dword ?
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pdelt dword ?
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ndelt dword ?
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dev dword ?
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numa dword ?
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numb dword ?
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numc dword ?
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numd dword ?
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numf dword ?
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n dword ?
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gradereport dword ?
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; string messages for I/O
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imsg byte "input a number or 999 to quit: ",NULL
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mainmsg byte CR,LF,"array analysis",CR,LF,NULL
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minmsg byte "minimum value: ",NULL
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maxmsg byte "maximum value: ",NULL
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summsg byte "sum of values: ",NULL
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avgmsg byte "avg of values: ",NULL
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posmsg byte "most positive change from x[i] to x[i+1]: ",NULL
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negmsg byte "most negative change from x[i] to x[i+1]: ",NULL
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devmsg byte "average deviation from mean: ",NULL
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amsg byte "Number of A's ",NULL
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bmsg byte "Number of B's ",NULL
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cmsg byte "Number of C's ",NULL
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dmsg byte "Number of D's ",NULL
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fmsg byte "Number of F's ",NULL
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nogrademsg byte "This is not a grade report",CR,LF,NULL
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goodbyemsg byte "Goodbye",CR,LF,NULL
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.code
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main proc
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; counter
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mov ecx, 0
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; average
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mov avg, 0
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; values for max / min
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mov edi, 0
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mov edx, 0
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; values for pos / neg delt
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mov pdelt, 0
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mov ndelt, 0
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; sum of values
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mov ebx, 0
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; array pointer
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mov esi, offset array
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; flag for gradereport
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mov gradereport, 0
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; read in all numbers, find maximum, find minimum, add sum, calc average, and determine if a grade report is needed
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ReadAnotherInt:
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push edx
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mov edx, offset imsg
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call writeString
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call readInt
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pop edx
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cmp eax, 999
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je CheckForValidity
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inc ecx
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mov [esi], eax
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add ebx, eax
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cmp eax, edx
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jg SetMax
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jmp CheckMinimum
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SetMax:
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mov edx, eax
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CheckMinimum:
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cmp ecx, 1
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jg CheckMinimum2
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mov edi, eax
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jmp DoneMaxMinCheck
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CheckMinimum2:
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cmp eax, edi
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jg DoneMaxMinCheck
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mov edi, eax
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DoneMaxMinCheck:
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cmp ecx, 1
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jle ReadAnotherInt2
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sub eax, [esi-04h]
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cmp eax, edi
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jge CheckPosDelt
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mov ndelt, eax
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jmp ReadAnotherInt2
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CheckPosDelt:
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cmp eax, pdelt
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jle CheckMinDelt
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mov pdelt, eax
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CheckMinDelt:
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cmp eax, ndelt
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jg ReadAnotherInt2
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mov ndelt, eax
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ReadAnotherInt2:
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add esi, 4
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jmp ReadAnotherInt
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; only calculate things if someone entered some values
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CheckForValidity:
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mov n, ecx
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cmp ecx, 0
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jg DisplayMaxMin
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jmp GoodBye
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; show all the maximums and minimums that the program has calculated
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DisplayMaxMin:
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push edx
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mov edx, offset mainmsg
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call writeString
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mov edx, offset maxmsg
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call writeString
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pop edx
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mov eax, edx
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call writeInt
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call Crlf
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cmp edx, 100
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jg ContinueWithDisplayMaxMin
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cmp edi, 0
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jl ContinueWithDisplayMaxMin
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mov gradereport, 1
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ContinueWithDisplayMaxMin:
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mov edx, offset minmsg
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call writeString
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mov eax, edi
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call writeInt
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call Crlf
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mov edx, offset summsg
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call writeString
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mov eax, ebx
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call writeInt
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call Crlf
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mov edx, offset avgmsg
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call writeString
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cdq
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idiv n
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mov avg, eax
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call writeInt
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call Crlf
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mov edx, offset posmsg
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call writeString
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mov eax, pdelt
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call writeInt
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call Crlf
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mov edx, offset negmsg
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call writeString
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mov eax, ndelt
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call writeInt
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call Crlf
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mov ebx, 0
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CalculateDeviation:
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mov eax, [esi]
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sub eax, avg
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cmp eax, 0
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jg CalculateDeviation2
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neg eax
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CalculateDeviation2:
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sub esi, 4
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add ebx, eax
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loopd CalculateDeviation
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; finalize calculations for deviation
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mov eax, ebx
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mov ecx, n
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cdq
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idiv ecx
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mov edx, offset devmsg
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call writeString
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call writeInt
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call Crlf
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; determine if a grade report is needed
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cmp gradereport, 1
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je CalcGrades
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call Crlf
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mov edx, offset nogrademsg
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call writeString
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jmp GoodBye
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mov numa, 0
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mov numb, 0
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mov numc, 0
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mov numd, 0
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mov numf, 0
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mov ecx, n
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mov esi, offset array
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sub esi, 4
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CalcGrades:
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add esi, 4
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mov eax, [esi]
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cmp eax, 90
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jl CheckForB
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inc numa
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loopd CalcGrades
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CheckForB:
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cmp eax, 80
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jl CheckForC
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inc numb
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loopd CalcGrades
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CheckForC:
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cmp eax, 70
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jl CheckForD
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inc numc
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loopd CalcGrades
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CheckForD:
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cmp eax, 60
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jl Flunked
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inc numd
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loopd CalcGrades
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Flunked:
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inc numf
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loopd CalcGrades
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call Crlf
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mov edx, offset amsg
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call writeString
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mov eax, numa
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call writeInt
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call Crlf
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mov edx, offset bmsg
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call writeString
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mov eax, numb
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call writeInt
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call Crlf
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mov edx, offset cmsg
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call writeString
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mov eax, numc
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call writeInt
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call Crlf
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mov edx, offset dmsg
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call writeString
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mov eax, numd
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call writeInt
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call Crlf
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mov edx, offset fmsg
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call writeString
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mov eax, numf
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call writeInt
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call Crlf
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GoodBye:
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mov edx, offset goodbyemsg
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call writeString
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exit
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main endp
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end main
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@ -0,0 +1,115 @@
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; three.asm
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; This program should demonstrate various capabilities of assembly
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; calculations of contiguous chunks of memory (i.e. arrays).
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; This program will logically assign and populate values in two arrays,
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; find the total number of positive elements in the first,
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; the sum of the squares of the diagonal if the matrix is square,
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; and then compute the sum of the two arrays if possible
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include irvine32.inc
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MAXIMUM_COLUMN_SIZE = 10
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.data
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matrix_row_length dword 4 * MAXIMUM_COLUMN_SIZE
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matrix_one dword 100 dup (?)
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matrix_two dword 100 dup (?)
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matrix_three dword 100 dup (?)
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matrix_one_row_size dword ?
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matrix_one_column_size dword ?
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matrix_two_row_size dword ?
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matrix_two_column_size dword ?
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random_calculation_variable dword ?
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matrix_sum_exists dword ?
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matrix_one_initial_message byte "Initial First Matrix",0
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matrix_one_positive_count_message byte "Number of positive elements in first matrix: ",0
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matrix_one_diagonal_square_count_message byte "Sum of squares of main diagonal in first matrix: ",0
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matrix_two_initial_message byte "Initial Second Matrix",0
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matrix_three_initial_message byte "Sum Matrix = First Matrix + Second Matrix",0
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.code
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main proc
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PopulateMatrixWithFileValues proto
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CountPositiveMatrixElements proto
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SumMatrixDiagonalSquares proto
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SumMatrices proto
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PrettyPrintMatrix proto
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InitFile proto
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CloseFile proto
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call InitFile
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push offset matrix_two_column_size
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push offset matrix_two_row_size
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push offset matrix_one_column_size
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push offset matrix_one_row_size
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push offset matrix_two
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push offset matrix_one
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call PopulateMatrixWithFileValues
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push offset random_calculation_variable
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push offset matrix_one_column_size
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push offset matrix_one_row_size
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push offset matrix_one
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call CountPositiveMatrixElements
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mov edx, offset matrix_one_positive_count_message
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call writeString
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mov eax, random_calculation_variable
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call writeInt
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call Crlf
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call CloseFile
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BeginCalculations:
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mov eax, matrix_one_row_size
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xor eax, matrix_one_column_size
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jne CalculateSum
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push offset random_calculation_variable
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push offset matrix_one_row_size
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push offset matrix_one
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call SumMatrixDiagonalSquares
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mov edx, offset matrix_one_diagonal_square_count_message
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call writeString
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mov eax, random_calculation_variable
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call writeInt
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call Crlf
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CalculateSum:
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call Crlf
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mov matrix_sum_exists, 0
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mov eax, matrix_one_row_size
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xor eax, matrix_two_row_size
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jne DisplayMatrices
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mov eax, matrix_one_column_size
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xor eax, matrix_two_column_size
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jne DisplayMatrices
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inc matrix_sum_exists
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push offset matrix_one_column_size
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push offset matrix_one_row_size
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push offset matrix_three
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push offset matrix_two
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push offset matrix_one
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call SumMatrices
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DisplayMatrices:
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push offset matrix_one_initial_message
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push matrix_one_column_size
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push matrix_one_row_size
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push offset matrix_one
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call PrettyPrintMatrix
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push offset matrix_two_initial_message
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push matrix_two_column_size
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push matrix_two_row_size
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push offset matrix_two
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call PrettyPrintMatrix
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cmp matrix_sum_exists, 0
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je DoneWithDisplaying
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push offset matrix_three_initial_message
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push matrix_one_column_size
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push matrix_one_row_size
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push offset matrix_three
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call PrettyPrintMatrix
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DoneWithDisplaying:
|
||||
exit
|
||||
main endp
|
||||
|
||||
end main
|
||||
|
|
@ -0,0 +1,125 @@
|
|||
; threecalc.asm
|
||||
; Andrew Coleman
|
||||
; This contains several algorithms for performing calculations on
|
||||
; two dimensional matrices.
|
||||
include irvine32.inc
|
||||
|
||||
MAXIMUM_COLUMN_SIZE = 10
|
||||
|
||||
.data
|
||||
|
||||
matrix_row_length dword 4 * MAXIMUM_COLUMN_SIZE
|
||||
|
||||
.code
|
||||
|
||||
; CountPositiveMatrixElements counts the number of elements greater than 0
|
||||
; Arguments:
|
||||
; 1. Address of array
|
||||
; 2. Address of row counter
|
||||
; 3. Address of column counter
|
||||
; 4. Address of result counter
|
||||
CountPositiveMatrixElements proc
|
||||
push ebp
|
||||
mov ebp, esp
|
||||
pushad
|
||||
mov edi, [ebp + 08h]
|
||||
mov eax, [ebp + 0Ch]
|
||||
mov edx, [eax]
|
||||
xor esi, esi
|
||||
BeginCountingElementsInRow:
|
||||
push edi
|
||||
mov eax, [ebp + 10h]
|
||||
mov ecx, [eax]
|
||||
CountInRow:
|
||||
mov eax, [edi]
|
||||
cmp eax, 0
|
||||
jl FinishUpElementAndContinueCounting
|
||||
inc esi
|
||||
FinishUpElementAndContinueCounting:
|
||||
add edi, 4
|
||||
dec ecx
|
||||
jg CountInRow
|
||||
pop edi
|
||||
add edi, matrix_row_length
|
||||
dec edx
|
||||
jg BeginCountingElementsInRow
|
||||
mov eax, [ebp + 14h]
|
||||
mov [eax], esi
|
||||
popad
|
||||
pop ebp
|
||||
ret 16
|
||||
CountPositiveMatrixElements endp
|
||||
|
||||
; SumMatrixDiagonalSquares
|
||||
; Arguments:
|
||||
; 1. Address of array
|
||||
; 2. Address of dimension
|
||||
; 3. Address of result counter
|
||||
SumMatrixDiagonalSquares proc
|
||||
push ebp
|
||||
mov ebp, esp
|
||||
pushad
|
||||
mov edi, [ebp + 08h]
|
||||
mov eax, [ebp + 0Ch]
|
||||
mov ecx, [eax]
|
||||
xor esi, esi
|
||||
DiagonalCount:
|
||||
mov eax, [edi]
|
||||
imul eax
|
||||
add esi, eax
|
||||
add edi, matrix_row_length
|
||||
add edi, 4
|
||||
dec ecx
|
||||
jg DiagonalCount
|
||||
mov eax, [ebp + 10h]
|
||||
mov [eax], esi
|
||||
popad
|
||||
pop ebp
|
||||
ret 12
|
||||
SumMatrixDiagonalSquares endp
|
||||
|
||||
; SumMatrices
|
||||
; Arguments
|
||||
; 1. Address of first matrix
|
||||
; 2. Address of second matrix
|
||||
; 3. Address of third matrix
|
||||
; 4. Address of row counter
|
||||
; 5. Address of column counter
|
||||
SumMatrices proc
|
||||
push ebp
|
||||
mov ebp, esp
|
||||
pushad
|
||||
mov edi, [ebp + 08h]
|
||||
mov esi, [ebp + 0Ch]
|
||||
mov edx, [ebp + 10h]
|
||||
mov eax, [ebp + 14h]
|
||||
mov ebx, [eax]
|
||||
StartMatrixRow:
|
||||
mov eax, [ebp + 18h]
|
||||
mov ecx, [eax]
|
||||
push edi
|
||||
push esi
|
||||
push edx
|
||||
CalculateMatrixRow:
|
||||
mov eax, [edi]
|
||||
add eax, [esi]
|
||||
mov [edx], eax
|
||||
add edi, 4
|
||||
add esi, 4
|
||||
add edx, 4
|
||||
dec ecx
|
||||
jg CalculateMatrixRow
|
||||
pop edx
|
||||
pop esi
|
||||
pop edi
|
||||
add edx, matrix_row_length
|
||||
add esi, matrix_row_length
|
||||
add edi, matrix_row_length
|
||||
dec ebx
|
||||
jg StartMatrixRow
|
||||
popad
|
||||
pop ebp
|
||||
ret 20
|
||||
SumMatrices endp
|
||||
|
||||
end
|
||||
|
|
@ -0,0 +1,358 @@
|
|||
; threefile.asm
|
||||
; This file contains all of the file-driven procedures for
|
||||
; the matrix input and output.
|
||||
|
||||
include irvine32.inc
|
||||
|
||||
MAX_FILENAME_SIZE = 120
|
||||
DEFAULT_BUFFER_SIZE = 80
|
||||
MAXIMUM_COLUMN_SIZE = 10
|
||||
|
||||
.data
|
||||
|
||||
matrix_row_length dword 4 * MAXIMUM_COLUMN_SIZE
|
||||
|
||||
error_message byte "Could not open the file... bailing",0Dh,0Ah,0
|
||||
filename_message byte "Enter name of file ( <120 chars ): ",0
|
||||
buffer_size_message byte "Enter size of input buffer ( <=500 ): ",0
|
||||
cmsg byte "format int: ",0
|
||||
|
||||
filename dword MAX_FILENAME_SIZE dup (?)
|
||||
filename_size dword ?
|
||||
|
||||
consolehandle dword ?
|
||||
filestruct label dword
|
||||
file_handle dword ?
|
||||
file_buffer byte 500 dup (?)
|
||||
buffer_size dword ?
|
||||
bytes_remaining dword ?
|
||||
buffer_offset dword ?
|
||||
|
||||
number_flag dword ?
|
||||
negative_flag dword ?
|
||||
|
||||
.code
|
||||
|
||||
InitFile proc
|
||||
pushad
|
||||
mov edx, offset filename_message
|
||||
call writeString
|
||||
mov edx, offset filename
|
||||
mov ecx, MAX_FILENAME_SIZE
|
||||
call readString
|
||||
mov filename_size, eax
|
||||
mov edx, offset buffer_size_message
|
||||
call writeString
|
||||
call readInt
|
||||
cmp eax, 1
|
||||
jl BadBufferSize
|
||||
cmp eax, 500
|
||||
jle GoodBufferSize
|
||||
BadBufferSize:
|
||||
mov eax, DEFAULT_BUFFER_SIZE
|
||||
GoodBufferSize:
|
||||
mov buffer_size, eax
|
||||
push 0
|
||||
push FILE_ATTRIBUTE_NORMAL
|
||||
push OPEN_EXISTING
|
||||
push NULL
|
||||
push DO_NOT_SHARE
|
||||
push GENERIC_READ
|
||||
push offset filename
|
||||
call CreateFile
|
||||
mov file_handle, eax
|
||||
cmp eax, INVALID_HANdlE_VALUE
|
||||
jne Continue
|
||||
call QuitProgramByError
|
||||
Continue:
|
||||
push STD_OUTPUT_HANDLE
|
||||
call GetStdHandle
|
||||
mov consolehandle, eax
|
||||
call Crlf
|
||||
popad
|
||||
ret
|
||||
InitFile endp
|
||||
|
||||
QuitProgramByError proc
|
||||
mov edx, offset error_message
|
||||
call writeString
|
||||
exit
|
||||
QuitProgramByError endp
|
||||
|
||||
CloseFile proc
|
||||
push file_handle
|
||||
call closeHandle
|
||||
ret
|
||||
CloseFile endp
|
||||
|
||||
; Formats a computer integer into an output buffer
|
||||
; Arguments:
|
||||
; 1. Address of Buffer
|
||||
; 2. Number to format
|
||||
FormatInteger proc
|
||||
push ebp
|
||||
mov ebp, esp
|
||||
pushad
|
||||
mov edi, [ebp + 08h]
|
||||
add edi, buffer_size
|
||||
dec edi
|
||||
mov eax, [ebp + 0Ch]
|
||||
mov negative_flag, 0
|
||||
mov ebx, 10
|
||||
cmp eax, 0
|
||||
jge ProcessNumber
|
||||
mov negative_flag, 1
|
||||
neg eax
|
||||
ProcessNumber:
|
||||
cdq
|
||||
idiv ebx
|
||||
add dl, 30h
|
||||
mov byte ptr [edi], dl
|
||||
dec edi
|
||||
cmp eax, 0
|
||||
jnz ProcessNumber
|
||||
cmp negative_flag, 1
|
||||
jne FinishFormatNumber
|
||||
mov dl, '-'
|
||||
mov byte ptr [edi], dl
|
||||
FinishFormatNumber:
|
||||
popad
|
||||
pop ebp
|
||||
ret 8
|
||||
FormatInteger endp
|
||||
|
||||
; PrettyPrintMatrix displays a matrix in a pretty format using tabs.
|
||||
; Arguments:
|
||||
; 1. Address of array
|
||||
; 2. Row value of matrix
|
||||
; 3. Column value of matrix
|
||||
; 4. Address of string message to display
|
||||
PrettyPrintMatrix proc
|
||||
push ebp
|
||||
mov ebp, esp
|
||||
pushad
|
||||
mov edi, [ebp + 08h]
|
||||
mov edx, [ebp + 14h]
|
||||
call writeString
|
||||
call Crlf
|
||||
mov buffer_size, 8
|
||||
mov ebx, [ebp + 0Ch]
|
||||
PrettyPrintMatrixBeginRow:
|
||||
mov ecx, DEFAULT_BUFFER_SIZE
|
||||
mov esi, offset file_buffer
|
||||
StartBlank:
|
||||
mov byte ptr [esi], ' '
|
||||
inc esi
|
||||
dec ecx
|
||||
jg StartBlank
|
||||
push edi
|
||||
mov ecx, [ebp + 10h]
|
||||
mov esi, offset file_buffer
|
||||
PrettyPrintMatrixPrintRow:
|
||||
push [edi]
|
||||
push esi
|
||||
call FormatInteger
|
||||
add edi, 4
|
||||
add esi, buffer_size
|
||||
dec ecx
|
||||
je PrettyPrintMatrixEndOfRow
|
||||
jmp PrettyPrintMatrixPrintRow
|
||||
PrettyPrintMatrixEndOfRow:
|
||||
push 0
|
||||
push offset bytes_remaining
|
||||
push DEFAULT_BUFFER_SIZE
|
||||
push offset file_buffer
|
||||
push consolehandle
|
||||
call WriteConsole
|
||||
pop edi
|
||||
add edi, matrix_row_length
|
||||
dec ebx
|
||||
jg PrettyPrintMatrixBeginRow
|
||||
popad
|
||||
pop ebp
|
||||
ret 16
|
||||
PrettyPrintMatrix endp
|
||||
|
||||
; This procedure reads in a series of ascii numbers from a file
|
||||
; and fills the two respective matrices with values
|
||||
; Arguments:
|
||||
; 1. offset of first matrix
|
||||
; 2. offset of second matrix
|
||||
; 3. offset of matrix 1's row
|
||||
; 4. offset of matrix 1's column
|
||||
; 5. offset of matrix 2's row
|
||||
; 6. offset of matrix 2's column
|
||||
PopulateMatrixWithFileValues proc
|
||||
push ebp
|
||||
mov ebp, esp
|
||||
pushad
|
||||
mov edi, [ebp + 10h]
|
||||
mov esi, [ebp + 14h]
|
||||
push edi
|
||||
call ReadInteger
|
||||
mov eax, [edi]
|
||||
cmp eax, 1
|
||||
jl BadOneRow
|
||||
cmp eax, 10
|
||||
jl GoodOneRow
|
||||
BadOneRow:
|
||||
mov eax, 1
|
||||
mov [edi], eax
|
||||
GoodOneRow:
|
||||
push esi
|
||||
call ReadInteger
|
||||
mov eax, [esi]
|
||||
cmp eax, 1
|
||||
jl BadOneCol
|
||||
cmp eax, 10
|
||||
jl GoodOneCol
|
||||
BadOneCol:
|
||||
mov eax, 1
|
||||
mov [esi], eax
|
||||
GoodOneCol:
|
||||
mov edi, [ebp + 08h]
|
||||
mov ebx, 0
|
||||
StartMatrixOneElementRow:
|
||||
mov esi, edi
|
||||
mov ecx, 0
|
||||
GetMatrixOneElement:
|
||||
push esi
|
||||
call ReadInteger
|
||||
add esi, 4
|
||||
inc ecx
|
||||
mov eax, [ebp + 14h]
|
||||
cmp ecx, [eax]
|
||||
jl GetMatrixOneElement
|
||||
inc ebx
|
||||
mov eax, [ebp + 10h]
|
||||
cmp ebx, [eax]
|
||||
je StartMatrixTwo
|
||||
add edi, matrix_row_length
|
||||
jmp StartMatrixOneElementRow
|
||||
StartMatrixTwo:
|
||||
mov edi, [ebp + 18h]
|
||||
mov esi, [ebp + 1Ch]
|
||||
push edi
|
||||
call ReadInteger
|
||||
mov eax,[edi]
|
||||
cmp eax, 1
|
||||
jl BadTwoRow
|
||||
cmp eax, 10
|
||||
jl GoodTwoRow
|
||||
BadTwoRow:
|
||||
mov eax, 1
|
||||
mov [edi], eax
|
||||
GoodTwoRow:
|
||||
push esi
|
||||
call ReadInteger
|
||||
mov eax, [esi]
|
||||
cmp eax, 1
|
||||
jl BadTwoCol
|
||||
cmp eax, 10
|
||||
jl GoodTwoCol
|
||||
BadTwoCol:
|
||||
mov eax, 1
|
||||
mov [esi], eax
|
||||
GoodTwoCol:
|
||||
mov edi, [ebp + 0Ch]
|
||||
mov ebx, 0
|
||||
StartMatrixTwoElementRow:
|
||||
mov esi, edi
|
||||
mov ecx, 0
|
||||
GetMatrixTwoElement:
|
||||
push esi
|
||||
call ReadInteger
|
||||
add esi, 4
|
||||
inc ecx
|
||||
mov eax, [ebp + 1Ch]
|
||||
cmp ecx, [eax]
|
||||
jl GetMatrixTwoElement
|
||||
inc ebx
|
||||
mov eax, [ebp + 18h]
|
||||
cmp ebx, [eax]
|
||||
je FinishUpMatrixTwo
|
||||
add edi, matrix_row_length
|
||||
jmp StartMatrixTwoElementRow
|
||||
FinishUpMatrixTwo:
|
||||
popad
|
||||
pop ebp
|
||||
ret 24
|
||||
PopulateMatrixWithFileValues endp
|
||||
|
||||
; This procedure reads an integer out of the input buffer and returns
|
||||
; the parsed value into a dword. This implementation does not
|
||||
; require the file structure to be passed to this procedure
|
||||
; Arguments:
|
||||
; 1. offset of parsed value
|
||||
ReadInteger proc
|
||||
push ebp
|
||||
mov ebp, esp
|
||||
pushad
|
||||
mov ecx, bytes_remaining
|
||||
mov ebx, buffer_offset
|
||||
mov esi, offset file_buffer
|
||||
mov number_flag, 0
|
||||
mov negative_flag, 0
|
||||
mov eax, 0
|
||||
BufferEmpty:
|
||||
cmp ecx, 0
|
||||
jne ComputeIntegerFromByte
|
||||
push eax
|
||||
push 0
|
||||
push offset bytes_remaining
|
||||
push buffer_size
|
||||
push offset file_buffer
|
||||
push file_handle
|
||||
call ReadFile
|
||||
pop eax
|
||||
mov ecx, bytes_remaining
|
||||
mov ebx, 0
|
||||
cmp ecx, 0
|
||||
je SaveInteger
|
||||
ComputeIntegerFromByte:
|
||||
mov edx, 0
|
||||
mov dl, [esi+ebx]
|
||||
cmp dl, '-'
|
||||
jne PositiveInteger
|
||||
mov negative_flag, 1
|
||||
mov number_flag, 1
|
||||
jmp ContinueInteger
|
||||
PositiveInteger:
|
||||
cmp dl, '+'
|
||||
jne IsAsciiDigit
|
||||
mov number_flag, 1
|
||||
jmp ContinueInteger
|
||||
IsAsciiDigit:
|
||||
cmp dl, '9'
|
||||
jg BadDigit
|
||||
cmp dl, '0'
|
||||
jl BadDigit
|
||||
GoodDigit:
|
||||
mov number_flag, 1
|
||||
push edx
|
||||
imul eax, 10
|
||||
pop edx
|
||||
sub dl, 30h
|
||||
add eax, edx
|
||||
ContinueInteger:
|
||||
inc ebx
|
||||
dec ecx
|
||||
jmp BufferEmpty
|
||||
BadDigit:
|
||||
cmp number_flag, 0
|
||||
je ContinueInteger
|
||||
IntegerEnd:
|
||||
cmp negative_flag, 1
|
||||
jne SaveInteger
|
||||
neg eax
|
||||
SaveInteger:
|
||||
mov edi, [ebp+08h]
|
||||
mov [edi], eax
|
||||
mov bytes_remaining, ecx
|
||||
mov buffer_offset, ebx
|
||||
popad
|
||||
pop ebp
|
||||
ret 4
|
||||
ReadInteger endp
|
||||
|
||||
end
|
||||
|
|
@ -0,0 +1,145 @@
|
|||
; threeio.asm
|
||||
; This file includes many different procedures for user-driven
|
||||
; matrix input and output.
|
||||
|
||||
include irvine32.inc
|
||||
|
||||
MAXIMUM_COLUMN_SIZE = 10
|
||||
|
||||
.data
|
||||
|
||||
matrix_row_length dword 4 * MAXIMUM_COLUMN_SIZE
|
||||
|
||||
left_coordinate_message byte "(",0
|
||||
middle_coordinate_message byte ",",0
|
||||
right_coordinate_message byte ")",0
|
||||
|
||||
element_input_message byte "Enter matrix element: ",0
|
||||
row_dimension_message byte "Enter number of rows: ",0
|
||||
column_dimension_message byte "Enter number of columns: ",0
|
||||
|
||||
tab_character byte 09h,0
|
||||
|
||||
.code
|
||||
|
||||
; Fills a matrix with user supplied values.
|
||||
; Arguments:
|
||||
; 1. address of array
|
||||
; 2. address of the row counting variable
|
||||
; 3. address of the column counting variable
|
||||
; 4. address of message to display
|
||||
; Caveats:
|
||||
; Forces 1 in place of numbers less than 1 and greater than 10 for dimensions
|
||||
PopulateMatrixWithUserValues proc
|
||||
push ebp
|
||||
mov ebp, esp
|
||||
pushad
|
||||
;here is the old GetMatrixDimesions procedure
|
||||
mov edx, [ebp + 14h]
|
||||
call writeString
|
||||
call Crlf
|
||||
mov edx, offset row_dimension_message
|
||||
call writeString
|
||||
call readInt
|
||||
cmp eax, 1
|
||||
jl BadRowDimension
|
||||
cmp eax, 10
|
||||
jg BadRowDimension
|
||||
jmp GoodRowDimensionLabel
|
||||
BadRowDimension:
|
||||
mov eax, 1
|
||||
GoodRowDimensionLabel:
|
||||
mov ebx, [ebp + 0Ch]
|
||||
mov [ebx], eax
|
||||
mov edx, offset column_dimension_message
|
||||
call writeString
|
||||
call readInt
|
||||
cmp eax, 1
|
||||
jl BadColumnDimension
|
||||
cmp eax, 10
|
||||
jg BadColumnDimension
|
||||
jmp GoodColumnDimensionLabel
|
||||
BadColumnDimension:
|
||||
mov eax, 1
|
||||
GoodColumnDimensionLabel:
|
||||
mov ebx, [ebp + 10h]
|
||||
mov [ebx], eax
|
||||
;GetMatrixDimensions ends here
|
||||
mov edi, [ebp + 08h]
|
||||
mov ebx, 0
|
||||
StartMatrixElementRow:
|
||||
mov esi, edi
|
||||
mov ecx, 0
|
||||
GetMatrixElement:
|
||||
mov edx, offset left_coordinate_message
|
||||
call writeString
|
||||
mov eax, ebx
|
||||
call writeInt
|
||||
mov edx, offset middle_coordinate_message
|
||||
call writeString
|
||||
mov eax, ecx
|
||||
call writeInt
|
||||
mov edx, offset right_coordinate_message
|
||||
call writeString
|
||||
mov edx, offset element_input_message
|
||||
call writeString
|
||||
call readInt
|
||||
mov [esi], eax
|
||||
add esi, 4
|
||||
inc ecx
|
||||
mov eax, [ebp + 10h]
|
||||
cmp ecx, [eax]
|
||||
jl GetMatrixElement
|
||||
inc ebx
|
||||
mov eax, [ebp + 0Ch]
|
||||
cmp ebx, [eax]
|
||||
je FinishUpMatrixInputAndReturn
|
||||
add edi, matrix_row_length
|
||||
jmp StartMatrixElementRow
|
||||
FinishUpMatrixInputAndReturn:
|
||||
popad
|
||||
pop ebp
|
||||
ret 16
|
||||
PopulateMatrixWithUserValues endp
|
||||
|
||||
; PrettyPrintMatrix displays a matrix in a pretty format using tabs.
|
||||
; Arguments:
|
||||
; 1. Address of array
|
||||
; 2. Address of row counter
|
||||
; 3. Address of column counter
|
||||
; 4. Address of string message to display
|
||||
PrettyPrintMatrix proc
|
||||
push ebp
|
||||
mov ebp, esp
|
||||
pushad
|
||||
mov edi, [ebp + 08h]
|
||||
mov edx, [ebp + 14h]
|
||||
call writeString
|
||||
call Crlf
|
||||
mov eax, [ebp + 0Ch]
|
||||
mov esi, [eax]
|
||||
PrettyPrintMatrixBeginRow:
|
||||
push edi
|
||||
mov eax, [ebp + 10h]
|
||||
mov ecx, [eax]
|
||||
PrettyPrintMatrixPrintRow:
|
||||
mov eax, [edi]
|
||||
call writeInt
|
||||
dec ecx
|
||||
je PrettyPrintMatrixEndOfRow
|
||||
mov edx, offset tab_character
|
||||
call writeString
|
||||
add edi, 4
|
||||
jmp PrettyPrintMatrixPrintRow
|
||||
PrettyPrintMatrixEndOfRow:
|
||||
call Crlf
|
||||
pop edi
|
||||
add edi, matrix_row_length
|
||||
dec esi
|
||||
jg PrettyPrintMatrixBeginRow
|
||||
popad
|
||||
pop ebp
|
||||
ret 16
|
||||
PrettyPrintMatrix endp
|
||||
|
||||
end
|
||||
|
|
@ -0,0 +1,218 @@
|
|||
; two.asm
|
||||
; This program should demonstrate various capabilities of assembly
|
||||
; calculations of contiguous chunks of memory.
|
||||
; This program will logically assign and populate values in two arrays,
|
||||
; find the total number of positive elements in the first,
|
||||
; the sum of the squares of the diagonal if the matrix is square,
|
||||
; and then compute the sum of the two arrays if possible
|
||||
include irvine32.inc
|
||||
|
||||
MAXIMUM_COLUMN_SIZE = 10
|
||||
|
||||
.data
|
||||
|
||||
matrix_row_length dword 4 * MAXIMUM_COLUMN_SIZE
|
||||
|
||||
matrix_one dword 100 dup (?)
|
||||
matrix_two dword 100 dup (?)
|
||||
matrix_three dword 100 dup (?)
|
||||
|
||||
matrix_one_row_size dword ?
|
||||
matrix_one_column_size dword ?
|
||||
matrix_two_row_size dword ?
|
||||
matrix_two_column_size dword ?
|
||||
|
||||
random_calculation_variable dword ?
|
||||
matrix_sum_exists dword ?
|
||||
|
||||
matrix_one_initial_message byte "Initial First Matrix",0
|
||||
matrix_one_positive_count_message byte "Number of positive elements in first matrix: ",0
|
||||
matrix_one_diagonal_square_count_message byte "Sum of squares of main diagonal in first matrix: ",0
|
||||
matrix_two_initial_message byte "Initial Second Matrix",0
|
||||
matrix_three_initial_message byte "Sum Matrix = First Matrix + Second Matrix",0
|
||||
|
||||
row_dimension_message byte "Enter number of rows: ",0
|
||||
column_dimension_message byte "Enter number of columns: ",0
|
||||
|
||||
tab_character byte 09h
|
||||
|
||||
; best phone number in the world: 256 512 1024
|
||||
.code
|
||||
|
||||
; Returns the dimensions of a matrix
|
||||
; Arguments:
|
||||
; 1. address of row size variable
|
||||
; 2. address of column size variable
|
||||
; 3. address of message to display
|
||||
; Caveats:
|
||||
; Returns 1 in place of numbers less than 1 and greater than 10
|
||||
GetArrayDimensions proc
|
||||
push ebp
|
||||
mov ebp, esp
|
||||
push eax
|
||||
push edx
|
||||
push ebx
|
||||
mov edx, [ebp + 10h]
|
||||
call writeString
|
||||
call Crlf
|
||||
mov edx, offset row_dimension_message
|
||||
call writeString
|
||||
call readInt
|
||||
cmp eax, 1
|
||||
jl BadRowDimension
|
||||
cmp eax, 10
|
||||
jg BadRowDimension
|
||||
jmp GoodRowDimensionLabel
|
||||
BadRowDimension:
|
||||
mov eax, 1
|
||||
GoodRowDimensionLabel:
|
||||
mov ebx, [ebp + 08h]
|
||||
mov [ebx], eax
|
||||
mov edx, offset column_dimension_message
|
||||
call writeString
|
||||
call readInt
|
||||
cmp eax, 1
|
||||
jl BadColumnDimension
|
||||
cmp eax, 10
|
||||
jg BadColumnDimension
|
||||
jmp GoodColumnDimensionLabel
|
||||
BadColumnDimension:
|
||||
mov eax, 1
|
||||
GoodColumnDimensionLabel:
|
||||
mov ebx, [ebp + 0Ch]
|
||||
mov [ebx], eax
|
||||
pop ebx
|
||||
pop edx
|
||||
pop eax
|
||||
pop ebp
|
||||
ret 12
|
||||
GetArrayDimensions endp
|
||||
|
||||
; PrettyPrintMatrix displays a matrix in a pretty format using tabs.
|
||||
; Arguments:
|
||||
; 1. Address of array
|
||||
; 2. Address of row counter
|
||||
; 3. Address of column counter
|
||||
; 4. Address of string message to display
|
||||
PrettyPrintMatrix proc
|
||||
push ebp
|
||||
mov ebp, esp
|
||||
pushad
|
||||
mov edi, [ebp + 08h]
|
||||
mov edx, [ebp + 14h]
|
||||
call writeString
|
||||
call Crlf
|
||||
mov eax, [ebp + 0Ch]
|
||||
mov esi, [eax]
|
||||
PrettyPrintMatrixBeginRow:
|
||||
push edi
|
||||
mov eax, [ebp + 10h]
|
||||
mov ecx, [eax]
|
||||
PrettyPrintMatrixPrintRow:
|
||||
mov eax, [edi]
|
||||
call writeInt
|
||||
dec ecx
|
||||
je PrettyPrintMatrixEndOfRow
|
||||
mov edx, offset tab_character
|
||||
call writeString
|
||||
add edi, 4
|
||||
jmp PrettyPrintMatrixPrintRow
|
||||
PrettyPrintMatrixEndOfRow:
|
||||
call Crlf
|
||||
pop edi
|
||||
add edi, matrix_row_length
|
||||
dec esi
|
||||
jg PrettyPrintMatrixBeginRow
|
||||
popad
|
||||
pop ebp
|
||||
ret 16
|
||||
PrettyPrintMatrix endp
|
||||
|
||||
main proc
|
||||
PopulateMatrixWithUserValues proto
|
||||
CountPositiveMatrixElements proto
|
||||
SumMatrixDiagonalSquares proto
|
||||
SumMatrices proto
|
||||
|
||||
push offset matrix_one_initial_message
|
||||
push offset matrix_one_column_size
|
||||
push offset matrix_one_row_size
|
||||
call GetArrayDimensions
|
||||
call Crlf
|
||||
push offset matrix_two_initial_message
|
||||
push offset matrix_two_column_size
|
||||
push offset matrix_two_row_size
|
||||
call GetArrayDimensions
|
||||
call Crlf
|
||||
push offset matrix_one_column_size
|
||||
push offset matrix_one_row_size
|
||||
push offset matrix_one
|
||||
call PopulateMatrixWithUserValues
|
||||
call Crlf
|
||||
push offset matrix_two_column_size
|
||||
push offset matrix_two_row_size
|
||||
push offset matrix_two
|
||||
call PopulateMatrixWithUserValues
|
||||
call Crlf
|
||||
push offset random_calculation_variable
|
||||
push offset matrix_one_column_size
|
||||
push offset matrix_one_row_size
|
||||
push offset matrix_one
|
||||
call CountPositiveMatrixElements
|
||||
mov edx, offset matrix_one_positive_count_message
|
||||
call writeString
|
||||
mov eax, random_calculation_variable
|
||||
call writeInt
|
||||
call Crlf
|
||||
BeginCalculations:
|
||||
mov eax, matrix_one_row_size
|
||||
xor eax, matrix_one_column_size
|
||||
jne CalculateSum
|
||||
push offset random_calculation_variable
|
||||
push offset matrix_one_row_size
|
||||
push offset matrix_one
|
||||
call SumMatrixDiagonalSquares
|
||||
mov edx, offset matrix_one_diagonal_square_count_message
|
||||
call writeString
|
||||
mov eax, random_calculation_variable
|
||||
call writeInt
|
||||
call Crlf
|
||||
CalculateSum:
|
||||
call Crlf
|
||||
mov matrix_sum_exists, 0
|
||||
mov eax, matrix_one_row_size
|
||||
xor eax, matrix_two_row_size
|
||||
jne DisplayMatrices
|
||||
mov eax, matrix_one_column_size
|
||||
xor eax, matrix_two_column_size
|
||||
jne DisplayMatrices
|
||||
inc matrix_sum_exists
|
||||
push offset matrix_one_column_size
|
||||
push offset matrix_one_row_size
|
||||
push offset matrix_three
|
||||
push offset matrix_two
|
||||
push offset matrix_one
|
||||
call SumMatrices
|
||||
DisplayMatrices:
|
||||
push offset matrix_one_initial_message
|
||||
push offset matrix_one_column_size
|
||||
push offset matrix_one_row_size
|
||||
push offset matrix_one
|
||||
call PrettyPrintMatrix
|
||||
push offset matrix_two_initial_message
|
||||
push offset matrix_two_column_size
|
||||
push offset matrix_two_row_size
|
||||
push offset matrix_two
|
||||
call PrettyPrintMatrix
|
||||
cmp matrix_sum_exists, 0
|
||||
je DoneWithDisplaying
|
||||
push offset matrix_three_initial_message
|
||||
push offset matrix_one_column_size
|
||||
push offset matrix_one_row_size
|
||||
push offset matrix_three
|
||||
call PrettyPrintMatrix
|
||||
DoneWithDisplaying:
|
||||
exit
|
||||
main endp
|
||||
|
||||
end main
|
||||
Reference in New Issue