diff --git a/zss/device/api.ts b/zss/device/api.ts
index b9559b0db..28d4dd670 100644
--- a/zss/device/api.ts
+++ b/zss/device/api.ts
@@ -25,12 +25,21 @@ function tape_error(sender: string, ...message: any[]) {
   return false
 }
 
-export function register_read(sender: string, name: string) {
-  hub.emit('register:read', sender, [name])
+export function register_reboot(sender: string, player: string) {
+  hub.emit('register:reboot', sender, undefined, player)
 }
 
-export function register_write(sender: string, name: string, value: any) {
-  hub.emit('register:write', sender, [name, value])
+export function register_read(sender: string, name: string, player: string) {
+  hub.emit('register:read', sender, [name], player)
+}
+
+export function register_write(
+  sender: string,
+  name: string,
+  value: any,
+  player: string,
+) {
+  hub.emit('register:write', sender, [name, value], player)
 }
 
 export function vm_mem(sender: string, book: BOOK, player: string) {
diff --git a/zss/device/bip.ts b/zss/device/bip.ts
index 910a2fa3c..e4e22bdd9 100644
--- a/zss/device/bip.ts
+++ b/zss/device/bip.ts
@@ -36,9 +36,9 @@ const bip = createdevice(
           }
         }
         break
-      case 'memset':
+      case 'ackmem':
         if (message.player) {
-          //
+          vm_login(bip.name(), message.player)
         }
     }
   },
diff --git a/zss/hub.ts b/zss/hub.ts
index 20cfe71f1..e5130f27f 100644
--- a/zss/hub.ts
+++ b/zss/hub.ts
@@ -17,6 +17,7 @@ const devices = new Set<DEVICE>()
 
 export const hub: HUB = {
   emit(target, sender, data, player) {
+    console.info(target, sender, data, player)
     hub.invoke(createmessage(target, sender, data, player))
   },
   invoke(message) {