Implement writing memory

src/emulator/shrooms_vb_core.rs

@@ -166,6 +166,8 @@ extern "C" {
     fn vb_set_write_callback(sim: *mut VB, callback: Option<OnWrite>) -> Option<OnWrite>;
     #[link_name = "vbSizeOf"]
     fn vb_size_of() -> usize;
+    #[link_name = "vbWrite"]
+    fn vb_write(sim: *mut VB, address: u32, _type: VBDataType, value: i32) -> i32;
 }
 
 extern "C" fn on_frame(sim: *mut VB) -> c_int {
@@ -476,6 +478,14 @@ impl Sim {
         }
     }
 
+    pub fn write_memory(&mut self, start: u32, buffer: &[u8]) {
+        let mut address = start;
+        for byte in buffer {
+            unsafe { vb_write(self.sim, address, VBDataType::U8, *byte as i32) };
+            address = address.wrapping_add(1);
+        }
+    }
+
     pub fn add_breakpoint(&mut self, address: u32) {
         let data = self.get_state();
         if let Err(index) = data.breakpoints.binary_search(&address) {