doc

docs/dev_notes/Interrupts

@@ -1,18 +0,0 @@
-
-Interrupts seem to be pretty well-described.
-Basically...
-
-    - If a register contains one or more fields that use the intr property,
-      then it is implied to be an interrupt register
-        --> Add RegNode.has_intr and RegNode.has_halt properties?
-    - This register implies that there is an output irq signal that is propagated to the top, and it is the OR of all interrupt field bits
-    - BUT in the multilevel interrupt example, perhaps this output gets suppressed?
-        Suppress the output signal if Reg->intr gets referenced, since this means
-        the user is doing a multi-level interrupt.
-        This means that the register's interrupt signal is "consumed" by a second-level interrupt register
-
-    - WTF about the "halt" concept?
-      I assume this does NOT auto-imply an output?
-      Mayby only imply a default halt output if:
-        - an interrupt register has fields that use haltenable/haltmask
-        - AND the interrupt register's reg->halt has not been referenced

docs/dev_notes/Validation Needed

@@ -95,13 +95,21 @@ X Signals marked as field_reset or cpuif_reset need to have activehigh/activelow
   specified. (8.2.1-d states that activehigh/low does not have an implied default state if unset!)
   Also applies to signals referenced by resetsignal
 
+X incrvalue/decrvalue needs to be the same or narrower than counter itself
+
+X field shall be hw writable if "next" is assigned.
+
+X sticky=true + "(posedge|negedge|bothedge) intr"
+    Edge-sensitivty doesnt make sense for full-field stickiness
+
+X we/wel + implied or explicit "sticky"/"stickybit"
+        we/wel modifier doesnt make sense here.
+
 ! hwclr/hwset/we/wel probably shouldn't be able to reference itself
     y->hwclr = y;
     y->we = y;
     ... it works, but should it be allowed? Seems like user-error
 
-X incrvalue/decrvalue needs to be the same or narrower than counter itself
-
 ! counter field that saturates should not set overflow
     counter; incrsaturate; overflow;
     counter; decrsaturate; underflow;
@@ -113,7 +121,7 @@ X incrvalue/decrvalue needs to be the same or narrower than counter itself
 
 ! incrwidth/decrwidth must be between 1 and the width of the counter
 
-X field shall be hw writable if "next" is assigned.
+! Illegal to use enable/mask/haltenable/haltmask on non-intr fields
 
 ================================================================================
 Things that need validation by this exporter