Implement writing memory

src/emulator.rs

@@ -550,6 +550,13 @@ impl Emulator {
                 sim.read_memory(start, length, &mut buffer);
                 let _ = done.send(buffer);
             }
+            EmulatorCommand::WriteMemory(sim_id, start, buffer, done) => {
+                let Some(sim) = self.sims.get_mut(sim_id.to_index()) else {
+                    return;
+                };
+                sim.write_memory(start, &buffer);
+                let _ = done.send(buffer);
+            }
             EmulatorCommand::AddBreakpoint(sim_id, address) => {
                 let Some(sim) = self.sims.get_mut(sim_id.to_index()) else {
                     return;
@@ -639,6 +646,7 @@ pub enum EmulatorCommand {
     ReadRegister(SimId, VBRegister, oneshot::Sender<u32>),
     WriteRegister(SimId, VBRegister, u32),
     ReadMemory(SimId, u32, usize, Vec<u8>, oneshot::Sender<Vec<u8>>),
+    WriteMemory(SimId, u32, Vec<u8>, oneshot::Sender<Vec<u8>>),
     AddBreakpoint(SimId, u32),
     RemoveBreakpoint(SimId, u32),
     AddWatchpoint(SimId, u32, usize, VBWatchpointType),