support for macOS and Windows

.gitattributes

@@ -1 +1,2 @@
+* -text
 /version -merge

.github/workflows/ci.yaml

@@ -0,0 +1,33 @@
+name: ci
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+  workflow_dispatch:
+
+jobs:
+  build:
+    name: build / ${{ matrix.os }} / zig ${{ matrix.zig-version }}
+
+    strategy:
+      fail-fast: false
+      matrix:
+        zig-version: ["0.14.0"]
+        os: [ubuntu-latest, macos-latest, windows-latest]
+
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Zig
+        uses: mlugg/setup-zig@v1
+        with:
+          version: ${{ matrix.zig-version }}
+
+      - name: Build
+        run: zig build --release=fast --summary all

README.md

@@ -1,7 +1,23 @@
-This is a fork of [NASM](https://nasm.us/), packaged for Zig. Unnecessary files
+# NASM
+
+This is NASM, packaged for [Zig](https://ziglang.org/). Unnecessary files
 have been deleted, and the build system has been replaced with `build.zig`.
 
-Original README follows:
+## Support
+
+| OS      | Status |
+|---------|--------|
+| Linux   | ✅     |
+| macOS   | ✅     |
+| Windows | ✅     |
+
+| Zig version | Status |
+|-------------|--------|
+| zig 0.14.0  | ✅     |
+
+This is a fork of [NASM](https://nasm.us/), packaged for Zig.
+
+## Original README
 
 ----------------------------------------------------------------------------