diff --git a/.github/workflows/bgfxshaders.yml b/.github/workflows/bgfxshaders.yml
deleted file mode 100644
index bff5085e50960..0000000000000
--- a/.github/workflows/bgfxshaders.yml
+++ /dev/null
@@ -1,44 +0,0 @@
-name: Rebuild BGFX shaders
-
-on:
-  push:
-    paths:
-    - '.github/workflows/**'
-    - 'src/osd/modules/render/bgfx/shaders/**'
-  pull_request:
-    paths:
-    - '.github/workflows/**'
-    - 'src/osd/modules/render/bgfx/shaders/**'
-
-permissions:
-  contents: read
-
-jobs:
-  rebuild:
-    runs-on: windows-latest
-    defaults:
-      run:
-        shell: msys2 {0}
-    steps:
-    - uses: msys2/setup-msys2@v2
-      with:
-        install: git make mingw-w64-x86_64-gcc mingw-w64-x86_64-python mingw-w64-x86_64-libc++
-    - uses: actions/checkout@main
-      with:
-        fetch-depth: 0
-    - name: Prevent make from rebuilding GLSL parser source
-      run: |
-        touch 3rdparty/bgfx/3rdparty/glsl-optimizer/src/glsl/glcpp/glcpp-lex.c
-        touch 3rdparty/bgfx/3rdparty/glsl-optimizer/src/glsl/glcpp/glcpp-parse.c
-        touch 3rdparty/bgfx/3rdparty/glsl-optimizer/src/glsl/glcpp/glcpp-parse.h
-        touch 3rdparty/bgfx/3rdparty/glslang/glslang/MachineIndependent/glslang_tab.cpp
-        touch 3rdparty/bgfx/3rdparty/glslang/glslang/MachineIndependent/glslang_tab.cpp.h
-    - name: Build
-      env:
-        MINGW64: "/mingw64"
-      run: make shaders
-    - uses: actions/upload-artifact@main
-      with:
-        name: mame-bgfx-${{ github.sha }}
-        path: bgfx/shaders
-        if-no-files-found: error
diff --git a/.github/workflows/ci-linux.yml b/.github/workflows/ci-linux.yml
deleted file mode 100644
index eecc258d3bfeb..0000000000000
--- a/.github/workflows/ci-linux.yml
+++ /dev/null
@@ -1,76 +0,0 @@
-name: CI (Linux)
-
-on:
-  push:
-    paths:
-    - '.github/workflows/**'
-    - '3rdparty/**'
-    - 'hash/**'
-    - 'scripts/**'
-    - 'src/**'
-    - 'COPYING'
-    - 'makefile'
-  pull_request:
-    paths:
-    - '.github/workflows/**'
-    - '3rdparty/**'
-    - 'hash/**'
-    - 'scripts/**'
-    - 'src/**'
-    - 'COPYING'
-    - 'makefile'
-
-permissions:
-  contents: read
-
-jobs:
-  build-linux:
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        compiler: [gcc, clang]
-        include:
-          - compiler: gcc
-            cc: gcc
-            cxx: g++
-            archopts: -U_FORTIFY_SOURCE
-            subtarget: tiny
-            executable: mametiny
-          - compiler: clang
-            cc: clang
-            cxx: clang++
-            subtarget: mame
-            executable: mame
-    steps:
-    - uses: actions/checkout@main
-      with:
-        fetch-depth: 0
-    - name: Install dependencies
-      run: |
-        sudo apt-get update
-        sudo apt-get install -y libsdl2-dev libsdl2-ttf-dev libfontconfig-dev libasound2-dev libxinerama-dev libxi-dev qtbase5-dev qtbase5-dev-tools
-    - name: Install clang
-      if: matrix.compiler == 'clang'
-      run: sudo apt-get install -y clang
-    - name: Build
-      env:
-        OVERRIDE_CC: ${{ matrix.cc }}
-        OVERRIDE_CXX: ${{ matrix.cxx }}
-        ARCHOPTS: ${{ matrix.archopts }}
-        SUBTARGET: ${{ matrix.subtarget }}
-        TOOLS: 1
-      run: make -j3
-    - name: Validate
-      run: ./${{ matrix.executable }} -validate
-    - name: Reconcile driver list
-      run: ./${{ matrix.executable }} -listxml | python scripts/build/makedep.py reconcilelist -l src/mame/${{ matrix.subtarget }}.lst -
-    - name: ORM check
-      run: python scripts/minimaws/minimaws.py load --executable ./${{ matrix.executable }} --softwarepath hash
-    - uses: actions/upload-artifact@main
-      with:
-        name: ${{ matrix.executable }}-linux-${{ matrix.compiler }}-${{ github.sha }}
-        path: |
-          ${{ matrix.executable }}
-          chdman
-          unidasm
-        if-no-files-found: error
diff --git a/.github/workflows/ci-macos.yml b/.github/workflows/ci-macos.yml
index 7d26d085c026b..ff16909aeb482 100644
--- a/.github/workflows/ci-macos.yml
+++ b/.github/workflows/ci-macos.yml
@@ -36,9 +36,12 @@ jobs:
         SUBTARGET: minimal
         SOURCES: src/mame/tvgames/tvgame.cpp
       run: make -j2
+    - name: Disassemble
+      run: otool -tvV build/osx_clang/obj/x64/Release/src/emu/emumem_aspace.o | c++filt > emumem_aspace.S
     - uses: actions/upload-artifact@main
       with:
         name: mame-macos-${{ github.sha }}
         path: |
+          emumem_aspace.S
           build/**/emumem_aspace.*
         if-no-files-found: error
diff --git a/.github/workflows/ci-windows.yml b/.github/workflows/ci-windows.yml
deleted file mode 100644
index 8d537fab23673..0000000000000
--- a/.github/workflows/ci-windows.yml
+++ /dev/null
@@ -1,70 +0,0 @@
-name: CI (Windows)
-
-on:
-  push:
-    paths:
-    - '.github/workflows/**'
-    - '3rdparty/**'
-    - 'scripts/**'
-    - 'src/**'
-    - 'COPYING'
-    - 'makefile'
-  pull_request:
-    paths:
-    - '.github/workflows/**'
-    - '3rdparty/**'
-    - 'scripts/**'
-    - 'src/**'
-    - 'COPYING'
-    - 'makefile'
-
-permissions:
-  contents: read
-
-jobs:
-  build-windows:
-    runs-on: windows-latest
-    defaults:
-      run:
-        shell: msys2 {0}
-    strategy:
-      matrix:
-        compiler: [gcc, clang]
-        include:
-          - compiler: gcc
-            cc: gcc
-            cxx: g++
-            subtarget: mame
-            executable: mame
-          - compiler: clang
-            cc: clang
-            cxx: clang++
-            subtarget: tiny
-            executable: mametiny
-    steps:
-    - uses: msys2/setup-msys2@v2
-      with:
-        install: git make mingw-w64-x86_64-${{ matrix.compiler }} mingw-w64-x86_64-python mingw-w64-x86_64-lld mingw-w64-x86_64-llvm mingw-w64-x86_64-libc++
-    - uses: actions/checkout@main
-      with:
-        fetch-depth: 0
-    - name: Build
-      env:
-        MINGW64: "/mingw64"
-        OVERRIDE_AR: "llvm-ar"
-        OVERRIDE_CC: ${{ matrix.cc }}
-        OVERRIDE_CXX: ${{ matrix.cxx }}
-        ARCHOPTS: "-fuse-ld=lld"
-        SUBTARGET: ${{ matrix.subtarget }}
-        TOOLS: 1
-      run: make -j3
-    - name: Validate
-      run: ./${{ matrix.executable }}.exe -validate
-    - uses: actions/upload-artifact@main
-      with:
-        name: ${{ matrix.executable }}-windows-${{ matrix.compiler }}-${{ github.sha }}
-        path: |
-          ${{ matrix.executable }}.exe
-          chdman.exe
-          unidasm.exe
-        if-no-files-found: error
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
deleted file mode 100644
index 0b80859804e37..0000000000000
--- a/.github/workflows/docs.yml
+++ /dev/null
@@ -1,38 +0,0 @@
-name: Build documentation
-
-on:
-  push:
-    paths:
-    - '.github/workflows/**'
-    - 'docs/**'
-  pull_request:
-    paths:
-    - '.github/workflows/**'
-    - 'docs/**'
-
-permissions:
-  contents: read
-
-jobs:
-  build-docs:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@main
-      with:
-        fetch-depth: 0
-    - name: Install dependencies
-      run: |
-        sudo apt-get update
-        sudo apt-get install -y librsvg2-bin latexmk python3-pip python3-sphinx texlive texlive-formats-extra texlive-science
-        pip3 install sphinxcontrib-svg2pdfconverter
-    - name: Build HTML
-      run: make -C docs html
-    - name: Build PDF
-      run: make -C docs latexpdf
-    - uses: actions/upload-artifact@main
-      with:
-        name: mame-docs-${{ github.sha }}
-        path: |
-          docs/build/html
-          docs/build/latex/MAME.pdf
-        if-no-files-found: error
diff --git a/.github/workflows/hash.yml b/.github/workflows/hash.yml
deleted file mode 100644
index 5e55145422ed1..0000000000000
--- a/.github/workflows/hash.yml
+++ /dev/null
@@ -1,38 +0,0 @@
-name: XML/JSON validation
-
-on:
-  push:
-    paths:
-    - '.github/workflows/**'
-    - 'ctrlr/*'
-    - 'hash/*'
-    - 'plugins/**'
-  pull_request:
-    paths:
-    - '.github/workflows/**'
-    - 'ctrlr/*'
-    - 'hash/*'
-    - 'plugins/**'
-
-permissions:
-  contents: read
-
-jobs:
-  validate:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@main
-      with:
-        fetch-depth: 0
-    - name: Install dependencies
-      run: |
-        sudo apt-get update
-        sudo apt-get install -y libxml2-utils python3-jsonschema
-    - name: Validate (controller configuration)
-      run: for x in ctrlr/*.cfg ; do xmllint --noout "$x" ; done
-    - name: Validate (HSI)
-      run: for x in hash/*.hsi ; do xmllint --noout "$x" ; done
-    - name: Validate (software list)
-      run: for x in hash/*.xml ; do xmllint --noout --valid "$x" ; done
-    - name: Validate (plugin properties)
-      run: for x in plugins/*/plugin.json ; do jsonschema -i "$x" plugins/plugin.schema ; done
diff --git a/.github/workflows/includeguards.yml b/.github/workflows/includeguards.yml
deleted file mode 100644
index e2e9c897ce9be..0000000000000
--- a/.github/workflows/includeguards.yml
+++ /dev/null
@@ -1,25 +0,0 @@
-name: 'Check #include guards'
-
-on:
-  push:
-    paths:
-    - '.github/workflows/**'
-    - 'src/devices/**.h'
-    - 'src/mame/**.h'
-    pull_request:
-    - '.github/workflows/**'
-    - 'src/devices/**.h'
-    - 'src/mame/**.h'
-
-permissions:
-  contents: read
-
-jobs:
-  validate:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@main
-      with:
-        fetch-depth: 0
-    - name: Validate
-      run: python3 scripts/build/check_include_guards.py src/devices src/mame
diff --git a/.github/workflows/language.yml b/.github/workflows/language.yml
deleted file mode 100644
index a5c6eaf358fea..0000000000000
--- a/.github/workflows/language.yml
+++ /dev/null
@@ -1,29 +0,0 @@
-name: Compile UI translations
-
-on:
-  push:
-    paths:
-    - '.github/workflows/**'
-    - 'language/**'
-  pull_request:
-    paths:
-    - '.github/workflows/**'
-    - 'language/**'
-
-permissions:
-  contents: read
-
-jobs:
-  build-language:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@main
-      with:
-        fetch-depth: 0
-    - name: Compile message catalogs
-      run: for x in language/*/*.po ; do python scripts/build/msgfmt.py --output-file "`dirname "$x"`/`basename "$x" .po`.mo" "$x" ; done
-    - uses: actions/upload-artifact@main
-      with:
-        name: mame-language-${{ github.sha }}
-        path: language/*/*.mo
-        if-no-files-found: error