diff --git a/.gitignore b/.gitignore
index 64e6269..45eb591 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,4 +2,5 @@ zig-out/
 zig-cache/
 
 **/*.s
-**/*.asm
\ No newline at end of file
+**/*.asm
+**/*.bin
\ No newline at end of file
diff --git a/.gitmodules b/.gitmodules
index 8c1664e..ec9fcb3 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,4 @@
+
 [submodule "lib/ZigGBA"]
 	path = lib/ZigGBA
-	url = https://github.com/wendigojaeger/ZigGBA
+	url = https://github.com/paoda/ZigGBA
diff --git a/build.zig b/build.zig
index cfb1656..85c2680 100644
--- a/build.zig
+++ b/build.zig
@@ -4,5 +4,10 @@ const GBABuilder = @import("lib/ZigGBA/GBA/builder.zig");
 pub fn build(b: *std.build.Builder) void {
     const exe = GBABuilder.addGBAExecutable(b, "first", "src/first.zig");
     exe.emit_asm = if (b.option(bool, "asm", "emit assembly") orelse false) .emit else .default;
-    _ = exe;
+
+    const run_cmd = b.addSystemCommand(&.{"zba"});
+    if (b.args) |args| run_cmd.addArgs(args);
+
+    const run_step = b.step("run", "Run test ROM in ZBA");
+    run_step.dependOn(&run_cmd.step);
 }
diff --git a/lib/ZigGBA b/lib/ZigGBA
index 713a22f..672aae0 160000
--- a/lib/ZigGBA
+++ b/lib/ZigGBA
@@ -1 +1 @@
-Subproject commit 713a22f6d0613052be932ec768f763d36830dcd9
+Subproject commit 672aae039b2696f7ce6911b29820cb38efc3c759