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Project.sln

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+
+Microsoft Visual Studio Solution File, Format Version 11.00
+# Visual Studio 2010
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Project", "Project.vcxproj", "{4164AA65-1EF9-4E69-899B-D1BED776070B}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Win32 = Debug|Win32
+		Release|Win32 = Release|Win32
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{4164AA65-1EF9-4E69-899B-D1BED776070B}.Debug|Win32.ActiveCfg = Debug|Win32
+		{4164AA65-1EF9-4E69-899B-D1BED776070B}.Debug|Win32.Build.0 = Debug|Win32
+		{4164AA65-1EF9-4E69-899B-D1BED776070B}.Release|Win32.ActiveCfg = Release|Win32
+		{4164AA65-1EF9-4E69-899B-D1BED776070B}.Release|Win32.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

Project.vcxproj

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+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="main.cpp" />
+  </ItemGroup>
+  <ItemGroup>
+    <MASM Include="assign4.asm" />
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{4164AA65-1EF9-4E69-899B-D1BED776070B}</ProjectGuid>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <PlatformToolset>v120</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <PlatformToolset>v120</PlatformToolset>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+    <Import Project="$(VCTargetsPath)\BuildCustomizations\masm.props" />
+  </ImportGroup>
+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup>
+    <_ProjectFileVersion>10.0.30319.1</_ProjectFileVersion>
+    <OutDir Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">$(SolutionDir)$(Configuration)\</OutDir>
+    <IntDir Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">$(Configuration)\</IntDir>
+    <IntDir Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">$(Configuration)\</IntDir>
+  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <MASM>
+      <IncludePaths>c:\Irvine</IncludePaths>
+    </MASM>
+    <Link>
+      <AdditionalDependencies>user32.lib;irvine32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalLibraryDirectories>c:\Irvine;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <SubSystem>Console</SubSystem>
+      <RandomizedBaseAddress>false</RandomizedBaseAddress>
+      <DataExecutionPrevention>
+      </DataExecutionPrevention>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <ImageHasSafeExceptionHandlers>false</ImageHasSafeExceptionHandlers>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <Link>
+      <RandomizedBaseAddress>false</RandomizedBaseAddress>
+      <DataExecutionPrevention>
+      </DataExecutionPrevention>
+    </Link>
+  </ItemDefinitionGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+    <Import Project="$(VCTargetsPath)\BuildCustomizations\masm.targets" />
+  </ImportGroup>
+</Project>

Project.vcxproj.user

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+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+</Project>

assign4.asm

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+TITLE Calculating Modibonacci                   (Assign4.asm)
+
+;Chad Bartley
+; This program uses recursion to calculate the
+; Nth Modibonacci value
+
+.586
+.model flat,C
+
+.code
+
+Modibonacci PROC
+
+
+	push ebp  
+	mov ebp, esp
+	sub esp, 4 ;reserve space for local variable
+	mov eax, [ebp + 8] ; get N
+
+	;Base case N = 3
+	cmp eax, 3
+	je N3
+
+	;Base case N = 2
+	cmp eax, 2
+	je N2
+
+	;Base case N = 1
+	cmp eax, 1
+	je N1
+
+
+	L1:
+
+		dec eax ; N - 1
+		push eax 
+		call Modibonacci ; Alpha recursive call
+
+		add esp, 4 ; counter "push eax"
+		mov [ebp - 4], eax ; save eax to local
+		mov eax, [ebp + 8] ;Get N
+		sub eax, 2 ; N - 2
+		push eax
+
+		call Modibonacci ; Beta recursive call
+
+		add esp, 4 ; counter "push eax"
+		mov ebx, [ebp - 4] ; get previous local value (N - 1)
+		shr eax, 1 ; (N - 2)/2
+		add eax, ebx ; (N - 1) + (N - 2)/2
+		mov [ebp - 4], eax ;save (N - 1) + (N - 2)/2 to local 
+		mov eax, [ebp + 8] ; get N
+		sub eax, 3 ;N - 3
+		push eax
+		
+
+		call Modibonacci ; Gamma recursive call
+
+		add esp, 4
+		mov ebx, [ebp - 4] ; put previous value into ebx (N - 1) + (N - 2)/2
+		shr eax, 1 ; (N - 3)/ 2
+		add eax, ebx ; (N - 1) + (N - 2)/2 + (N - 3)/ 2
+
+		jmp Quit
+
+
+
+	N1:
+
+		mov eax, 1 ; First Modibonacci = 1
+		jmp Quit
+
+	N2:
+
+		mov eax, 2 ; Second Modibonacci = 2
+		jmp Quit
+
+	N3:
+
+		mov eax, 4 ; Third Modibonacci = 4
+		jmp Quit
+
+	Quit:
+
+		mov esp, ebp
+		pop ebp
+
+		ret		
+
+Modibonacci ENDP
+END
+

main.cpp

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+
+#include <iostream>
+using namespace std;
+
+extern "C" unsigned int Modibonacci(unsigned int n);
+
+
+void main()
+{
+	unsigned int N;
+
+	cout << "Calculate the Nth Modibonacci: ";
+	cin >> N;
+
+	cout << N << " Modibonacci = " << Modibonacci(N);
+	cout << endl;
+}