add nes conformance test suite and CLI runner benchmark tool

build.zig

@@ -10,33 +10,91 @@ pub fn build(b: *std.Build) void {
         .root_source_file = b.path("src/cpu/root.zig"),
     });
 
+    const lib = b.addLibrary(.{
+        .name = "cpu",
+        .root_module = cpu_mod,
+        .linkage = .static,
+    });
+
+    b.installArtifact(lib);
+
+    const contract_mod = b.createModule(.{
+        .target = target,
+        .optimize = optimize,
+        .root_source_file = b.path("src/contract/root.zig"),
+    });
+
     const system_mod = b.createModule(.{
         .target = target,
         .optimize = optimize,
         .root_source_file = b.path("src/system/root.zig"),
     });
+    system_mod.addImport("contract", contract_mod);
+    system_mod.addImport("cpu", cpu_mod);
 
     const platform_mod = b.createModule(.{
         .target = target,
         .optimize = optimize,
         .root_source_file = b.path("src/platform/root.zig"),
     });
+    platform_mod.addImport("contract", contract_mod);
 
     const frontend_mod = b.createModule(.{
         .target = target,
         .optimize = optimize,
         .root_source_file = b.path("src/frontend/root.zig"),
     });
+    frontend_mod.addImport("contract", contract_mod);
 
     const exe_mod = b.createModule(.{
         .target = target,
         .optimize = optimize,
         .root_source_file = b.path("src/main.zig"),
     });
+    exe_mod.addImport("contract", contract_mod);
+    exe_mod.addImport("system", system_mod);
 
+    const exe = b.addExecutable(.{
+        .name = "6soz",
+        .root_module = exe_mod,
+    });
+
+    b.installArtifact(exe);
+
+    // Test Step Configuration
     const test_step = b.step("test", "Run 6soz tests");
 
-    inline for (&.{ cpu_mod, system_mod, platform_mod, frontend_mod, exe_mod }) |mod| {
+    const test_options = b.addOptions();
+    if (b.lazyDependency("nes_test_roms", .{})) |roms_dep| {
+        test_options.addOption(?[]const u8, "nes_test_roms_dir", roms_dep.path("").getPath(b));
+    } else {
+        test_options.addOption(?[]const u8, "nes_test_roms_dir", null);
+    }
+    if (b.lazyDependency("m6502_functional_tests", .{})) |func_dep| {
+        test_options.addOption(?[]const u8, "m6502_functional_tests_dir", func_dep.path("").getPath(b));
+    } else {
+        test_options.addOption(?[]const u8, "m6502_functional_tests_dir", null);
+    }
+
+    const options_mod = test_options.createModule();
+
+    const cpu_test_mod = b.createModule(.{
+        .target = target,
+        .optimize = optimize,
+        .root_source_file = b.path("src/cpu/root.zig"),
+    });
+    cpu_test_mod.addImport("build_options", options_mod);
+
+    const system_test_mod = b.createModule(.{
+        .target = target,
+        .optimize = optimize,
+        .root_source_file = b.path("src/system/root.zig"),
+    });
+    system_test_mod.addImport("contract", contract_mod);
+    system_test_mod.addImport("cpu", cpu_test_mod);
+    system_test_mod.addImport("build_options", options_mod);
+
+    inline for (&.{ cpu_test_mod, contract_mod, system_test_mod, platform_mod, frontend_mod, exe_mod }) |mod| {
         const mod_test = b.addTest(.{ .root_module = mod });
         const mod_cmd = b.addRunArtifact(mod_test);
         test_step.dependOn(&mod_cmd.step);