--- gforth/tasker.fs	1996/03/31 20:16:04	1.1
+++ gforth/tasker.fs	1996/05/13 16:37:03	1.3
@@ -24,7 +24,9 @@ Create sleepers  sleepers A, sleepers A,
 
 \ USER' computes the task offset
 : user' ( 'user' -- n )
-  ' >body @ state @ IF  postpone Literal  THEN ; immediate
+    ' >body @ postpone literal ; immediate
+interpretation:
+    ' >body @ ;
 
 \ NEWTASK creates a new, sleeping task
 : NewTask ( n -- Task )  dup 2* 2* udp @ + dup
@@ -55,7 +57,10 @@ Create sleepers  sleepers A, sleepers A,
 : activate ( task -- )  0 swap (pass) ;
 : pass ( x1 .. xn n task -- )  (pass) ;
 
-: task-key   BEGIN  pause key?  UNTIL  (key) ;
+: single-tasking? ( -- flag )
+    next-task dup @ = ;
+
+: task-key   BEGIN  pause key? single-tasking? or  UNTIL  (key) ;
 : task-emit  (emit) pause ;
 : task-type  (type) pause ;