update service call handler to Ursula format (with table)

s/modulewrap

@@ -649,7 +649,25 @@ count1  MOVVC   r0, #ModHandReason_GetNames
         Pull    "r0-r7, pc"
 
 ; Service call handler
+;
+;Ursula format
+;
+        ASSERT  Service_Memory < Service_Reset
+        ASSERT  Service_Reset  < Service_ResourceFSStarting
+;
+ModuleWrap_ServTab
+        DCD     0                                     ;flags
+        DCD     ModuleWrap_UService - Module_BaseAddr
+        DCD     Service_Memory
+        DCD     Service_Reset
+ [ :LNOT::DEF:FilerAct
+        DCD     Service_ResourceFSStarting
+ ]
+        DCD     0                                     ;terminator
+        DCD     ModuleWrap_ServTab - Module_BaseAddr  ;anchor
 ModuleWrap_Service
+        MOV     r0, r0                                ;magic instruction
+ModuleWrap_UService
  [ :LNOT::DEF:FilerAct
         CMP     r1, #Service_ResourceFSStarting
         BEQ     svc_resourcefsstarting