diff --git a/RSIO.md b/RSIO.md
index bf8fc63..94474ec 100644
--- a/RSIO.md
+++ b/RSIO.md
@@ -23,30 +23,31 @@ local IO_PORT = {
 
     -- facility
     F_ALARM       = 7,  -- active high, facility-wide alarm (any high priority unit alarm)
+    F_ALARM_ANY   = 8,  -- active high, any alarm regardless of priority
 
     -- waste
-    WASTE_PU      = 8,  -- active low, waste -> plutonium -> pellets route
-    WASTE_PO      = 9,  -- active low, waste -> polonium route
-    WASTE_POPL    = 10, -- active low, polonium -> pellets route
-    WASTE_AM      = 11, -- active low, polonium -> anti-matter route
+    WASTE_PU      = 9,  -- active low, waste -> plutonium -> pellets route
+    WASTE_PO      = 10, -- active low, waste -> polonium route
+    WASTE_POPL    = 11, -- active low, polonium -> pellets route
+    WASTE_AM      = 12, -- active low, polonium -> anti-matter route
 
     -- reactor
-    R_ACTIVE      = 12, -- active high, if the reactor is active
-    R_AUTO_CTRL   = 13, -- active high, if the reactor burn rate is automatic
-    R_SCRAMMED    = 14, -- active high, if the reactor is scrammed
-    R_AUTO_SCRAM  = 15, -- active high, if the reactor was automatically scrammed
-    R_DMG_HIGH    = 16, -- active high, if the reactor damage is high
-    R_HIGH_TEMP   = 17, -- active high, if the reactor is at a high temperature
-    R_LOW_COOLANT = 18, -- active high, if the reactor has low coolant
-    R_EXCESS_HC   = 19, -- active high, if the reactor has excess heated coolant
-    R_EXCESS_WS   = 20, -- active high, if the reactor has excess waste
-    R_INSUFF_FUEL = 21, -- active high, if the reactor has insufficent fuel
-    R_PLC_FAULT   = 22, -- active high, if the reactor PLC reports a device access fault
-    R_PLC_TIMEOUT = 23, -- active high, if the reactor PLC has not been heard from
+    R_ACTIVE      = 13, -- active high, reactor is active
+    R_AUTO_CTRL   = 14, -- active high, reactor burn rate is automatic
+    R_SCRAMMED    = 15, -- active high, reactor is scrammed
+    R_AUTO_SCRAM  = 16, -- active high, reactor was automatically scrammed
+    R_HIGH_DMG    = 17, -- active high, reactor damage is high
+    R_HIGH_TEMP   = 18, -- active high, reactor is at a high temperature
+    R_LOW_COOLANT = 19, -- active high, reactor has very low coolant
+    R_EXCESS_HC   = 20, -- active high, reactor has excess heated coolant
+    R_EXCESS_WS   = 21, -- active high, reactor has excess waste
+    R_INSUFF_FUEL = 22, -- active high, reactor has insufficent fuel
+    R_PLC_FAULT   = 23, -- active high, reactor PLC reports a device access fault
+    R_PLC_TIMEOUT = 24, -- active high, reactor PLC has not been heard from
 
     -- unit outputs
-    U_ALARM       = 24, -- active high, unit alarm
-    U_EMER_COOL   = 25  -- active low, emergency coolant control
+    U_ALARM       = 25, -- active high, unit alarm
+    U_EMER_COOL   = 26  -- active low, emergency coolant control
 }
 ```