Numerous build and optimisation changes to speedup runtime performance

.clang-format

@@ -0,0 +1,82 @@
+---
+Language: Cpp
+Standard: c++17
+BasedOnStyle: LLVM
+
+# Line length
+ColumnLimit: 120
+
+# Indentation
+IndentWidth: 4
+UseTab: Never
+IndentCaseLabels: true
+IndentPPDirectives: AfterHash
+
+# Spacing
+SpaceBeforeParens: ControlStatements
+SpaceAfterCStyleCast: false
+SpacesInAngles: false
+SpaceInEmptyParentheses: false
+SpaceBeforeAssignmentOperators: true
+
+# Pointers and references
+PointerAlignment: Left
+
+# Braces
+BraceWrapping:
+  AfterCaseLabel: false
+  AfterClass: false
+  AfterControlStatement: Never
+  AfterEnum: false
+  AfterFunction: false
+  AfterNamespace: false
+  AfterStruct: false
+  AfterUnion: false
+  AfterExternBlock: false
+  BeforeCatch: false
+  BeforeElse: false
+  BeforeLambdaBody: false
+  BeforeWhile: false
+  IndentBraces: false
+  SplitEmptyFunction: false
+  SplitEmptyRecord: false
+  SplitEmptyNamespace: false
+
+# Function definitions
+AllowShortFunctionsOnASingleLine: None
+SeparateDefinitionBlocks: Always
+AllowShortBlocksOnASingleLine: Empty
+AllowShortIfStatementsOnASingleLine: Never
+AllowShortLoopsOnASingleLine: false
+AllowAllArgumentsOnNextLine: true
+AllowAllParametersOfDeclarationOnNextLine: true
+
+# Constructor/Destructor
+ConstructorInitializerAllOnOneLineOrOnePerLine: true
+ConstructorInitializerIndentWidth: 4
+Cpp11BracedListStyle: true
+
+# Operators
+BreakBeforeBinaryOperators: NonAssignment
+BreakBeforeTernaryOperators: true
+
+# Includes
+SortIncludes: true
+IncludeBlocks: Preserve
+
+# Comments
+ReflowComments: true
+
+# Other
+AlignAfterOpenBracket: Align
+AlignConsecutiveAssignments: None
+AlignConsecutiveDeclarations: None
+AlignConsecutiveMacros: true
+AlignEscapedNewlines: Left
+AlignTrailingComments: true
+
+AccessModifierOffset: -2
+CompactNamespaces: false
+FixNamespaceComments: true
+MaxEmptyLinesToKeep: 1
+NamespaceIndentation: None

.clang-tidy

@@ -0,0 +1,45 @@
+---
+# Clang-tidy configuration for Z80 emulator project
+Checks: |
+  -*, 
+  readability-*,
+  performance-*,
+  modernize-*,
+  bugprone-*,
+  clang-diagnostic-*,
+  cppcoreguidelines-*,
+  google-*,
+  -readability-magic-numbers,
+  -readability-uppercase-literal-suffix,
+  -cppcoreguidelines-avoid-magic-numbers,
+  -cppcoreguidelines-pro-bounds-array-to-pointer-decay,
+  -cppcoreguidelines-pro-type-cstyle-cast,
+  -cppcoreguidelines-pro-type-reinterpret-cast,
+  -google-readability-function-size,
+  -google-runtime-references,
+  -modernize-use-trailing-return-type,
+  -cppcoreguidelines-pro-bounds-constant-array-index,
+  -readability-function-cognitive-complexity,
+  -readability-function-size
+
+WarningsAsErrors: ''
+
+# Configure individual checks
+CheckOptions:
+  - key: 'readability-function-cognitive-complexity.Threshold'
+    value: '25'
+  - key: 'readability-function-size.StatementThreshold'
+    value: '800'
+  - key: 'readability-identifier-length.MinimumVariableNameLength'
+    value: '2'
+  - key: 'readability-identifier-length.MinimumParameterNameLength'
+    value: '2'
+  - key: 'readability-identifier-length.MinimumLoopCounterNameLength'
+    value: '1'
+  - key: 'readability-line-length.LineLength'
+    value: '120'
+  - key: 'bugprone-easily-swappable-parameters.MinimumLength'
+    value: '3'
+
+HeaderFilterRegex: '.*'
+InheritParentConfig: true

.github/workflows/code-quality.yml

@@ -0,0 +1,68 @@
+name: Code Quality
+
+on: [push, pull_request]
+
+jobs:
+  formatting:
+    name: Check Code Formatting
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install clang-format
+        run: sudo apt-get install -y clang-format
+
+      - name: Check formatting
+        run: |
+          files=$(find include tests -type f \( -name "*.cpp" -o -name "*.h" -o -name "*.tpp" \))
+          for file in $files; do
+            clang-format --dry-run -Werror "$file" || exit 1
+          done
+          echo "All files are properly formatted!"
+
+  static-analysis:
+    name: Static Analysis with clang-tidy
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y clang-tidy cmake build-essential
+
+      - name: Build with compile_commands.json
+        run: |
+          mkdir -p build
+          cd build
+          cmake -DCMAKE_EXPORT_COMPILE_COMMANDS=ON ..
+          make
+
+      - name: Run clang-tidy
+        run: |
+          cd build
+          files=$(find ../tests -type f -name "*.cpp")
+          clang-tidy -p . $files
+
+  build:
+    name: Build Project
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y cmake build-essential
+
+      - name: Build
+        run: |
+          mkdir -p build
+          cd build
+          cmake ..
+          make -j4
+
+      - name: Run tests
+        run: |
+          cd build
+          ctest --output-on-failure

.gitignore

@@ -1,5 +1,12 @@
+# Editor and OS files
 .cache/
 .idea/
 .vscode/
+.DS_Store
+
+# Build directories
 build*/
+
+# Test ROMs
+tests/roms/*
 tests/roms/*.tap