Update sketch to suggest use of `*ADDR`

test-programs/subroutines.asm

@@ -1,5 +1,10 @@
 ;; sketching around subroutines with return stack
 
+; I think the sketching below contains some useful ideas,
+; but the new `*ADDR` assembly op should make this a whole lot simpler
+
+; sketches follow ..........
+
 ; jump table
 ; ----------
 ; each function has a label
@@ -10,18 +15,23 @@
 ; then when the subroutine ends, it jumps here
 ; where that number gets mapped back onto the function's label
 
-lda $1
+=*reentryPoint
+=routine1 $1 
+
+lda =routine1
 sto $19 ; contains ID # for the next fn to jump to
 
 @jump_table
   hop $1
     jmp @jt2
   jmp @example_computation
+
   @jt2
   hop $2
     ; jmp @jt3
     nop
   ; etc …
+
   jmp @end
 
 @example_computation
@@ -59,4 +69,5 @@ sto $1
   jmp $jmp_table
   ; ok this isn’t quite it… we also need to chexk if we hit 0 by just deceementinf and if so retuen 0
 
-jmp @jump_table
+@end
+END