Implement nova64 API with native yield function and registration

software/build.bat

@@ -1 +1,4 @@
-tinygo build -o ../simulator/sd/slot0/init.wasm -target wasm-unknown init.go
+@REM tinygo build -o ../simulator/sd/slot0/init.wasm -target wasm-unknown init.go
+
+@REM zig build-exe init.zig -target wasm32-freestanding -fno-entry -O ReleaseSmall -femit-bin=../simulator/sd/slot0/init.wasm
+zig build-exe init.zig -target wasm32-freestanding -O ReleaseSmall -femit-bin=../simulator/sd/slot0/init.wasm

software/init.go

@@ -2,7 +2,9 @@ package main
 
 // Declare a main function, this is the entrypoint into our go module
 // That will be run. In our example, we won't need this
-func main() {}
+func main() {
+	_ = add(1, 2)
+}
 
 // This exports an add function.
 // It takes in two 32-bit integer values

software/init.zig

@@ -0,0 +1,12 @@
+extern "nova64" fn yield(timeout_ms: u32) void;
+
+pub fn main() void {
+    _ = add(1, 2);
+    while (true) {
+        yield(16); // Yield for 1 second
+    }
+}
+
+export fn add(a: i32, b: i32) i32 {
+    return a + b;
+}