diff --git a/cspell.json b/cspell.json
index c56bbe8..ec86b48 100644
--- a/cspell.json
+++ b/cspell.json
@@ -1,130 +1 @@
-{
-    "version": "0.2",
-    "language": "en",
-    "flagWords": [],
-    "words": [
-        "Astroloy",
-        "Autolathe",
-        "bapal",
-        "bapz",
-        "bapzal",
-        "batchmode",
-        "batchmodes",
-        "bdns",
-        "bdnsal",
-        "bdse",
-        "bdseal",
-        "beqal",
-        "beqz",
-        "beqzal",
-        "bgeal",
-        "bgez",
-        "bgezal",
-        "bgtal",
-        "bgtz",
-        "bgtzal",
-        "bindgen",
-        "bleal",
-        "blez",
-        "blezal",
-        "bltal",
-        "bltz",
-        "bltzal",
-        "bnaal",
-        "bnan",
-        "bnaz",
-        "bnazal",
-        "bneal",
-        "bnez",
-        "bnezal",
-        "brap",
-        "brapz",
-        "brdns",
-        "brdse",
-        "breq",
-        "breqz",
-        "brge",
-        "brgez",
-        "brgt",
-        "brgtz",
-        "brle",
-        "brlez",
-        "brlt",
-        "brltz",
-        "brna",
-        "brnan",
-        "brnaz",
-        "brne",
-        "brnez",
-        "Circuitboard",
-        "codegen",
-        "conv",
-        "cstyle",
-        "endpos",
-        "getd",
-        "Hardsuit",
-        "hashables",
-        "inext",
-        "inextp",
-        "infile",
-        "itertools",
-        "jetpack",
-        "kbshortcutmenu",
-        "Keybind",
-        "lbns",
-        "logicable",
-        "logictype",
-        "logictypes",
-        "lzma",
-        "Mineables",
-        "mscorlib",
-        "MSEED",
-        "ninf",
-        "nomatch",
-        "oprs",
-        "overcolumn",
-        "Overlength",
-        "pedia",
-        "peekable",
-        "prec",
-        "preproc",
-        "putd",
-        "QUICKFIX",
-        "reagentmode",
-        "reagentmodes",
-        "repr",
-        "retval",
-        "rocketstation",
-        "sapz",
-        "sattellite",
-        "sdns",
-        "sdse",
-        "searchbox",
-        "searchbtn",
-        "seqz",
-        "serde",
-        "settingsmenu",
-        "sgez",
-        "sgtz",
-        "slez",
-        "slotlogic",
-        "slotlogicable",
-        "slotlogictype",
-        "slotlogictypes",
-        "slottype",
-        "sltz",
-        "snan",
-        "snanz",
-        "snaz",
-        "snez",
-        "splitn",
-        "Stationeers",
-        "stationpedia",
-        "stdweb",
-        "thiserror",
-        "tokentype",
-        "trunc",
-        "Tsify",
-        "whos"
-    ]
-}
+{"language":"en","flagWords":[],"version":"0.2","words":["Astroloy","Autolathe","bapal","bapz","bapzal","batchmode","batchmodes","bdns","bdnsal","bdse","bdseal","beqal","beqz","beqzal","bgeal","bgez","bgezal","bgtal","bgtz","bgtzal","bindgen","bleal","blez","blezal","bltal","bltz","bltzal","bnaal","bnan","bnaz","bnazal","bneal","bnez","bnezal","brap","brapz","brdns","brdse","breq","breqz","brge","brgez","brgt","brgtz","brle","brlez","brlt","brltz","brna","brnan","brnaz","brne","brnez","Circuitboard","codegen","conv","cstyle","endpos","getd","Hardsuit","hashables","inext","inextp","infile","itertools","jetpack","kbshortcutmenu","Keybind","lbns","logicable","logictype","logictypes","lzma","Mineables","mscorlib","MSEED","ninf","nomatch","oprs","overcolumn","Overlength","pedia","peekable","prec","preproc","putd","QUICKFIX","reagentmode","reagentmodes","repr","retval","rocketstation","sapz","sattellite","sdns","sdse","searchbox","searchbtn","seqz","serde","settingsmenu","sgez","sgtz","slez","slotlogic","slotlogicable","slotlogictype","slotlogictypes","slottype","sltz","snan","snanz","snaz","snez","splitn","Stationeers","stationpedia","stdweb","thiserror","tokentype","trunc","Tsify","whos","Depressurising","Pressurising","logicslottypes","lparen","rparen","hstack","dylib"]}
diff --git a/ic10emu/Cargo.toml b/ic10emu/Cargo.toml
index 4ce57c2..c73f2e2 100644
--- a/ic10emu/Cargo.toml
+++ b/ic10emu/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [lib]
-crate-type = ["lib"]
+crate-type = ["lib", "cdylib"]
 
 
 [dependencies]
diff --git a/ic10emu/src/lib.rs b/ic10emu/src/lib.rs
index e11e6ef..cc26a39 100644
--- a/ic10emu/src/lib.rs
+++ b/ic10emu/src/lib.rs
@@ -164,6 +164,8 @@ pub struct Device {
     pub name: Option<String>,
     pub name_hash: Option<f64>,
     pub fields: HashMap<grammar::LogicType, LogicField>,
+    pub prefab_name: Option<String>,
+    pub prefab_hash: Option<i32>,
     pub slots: Vec<Slot>,
     pub reagents: HashMap<ReagentMode, HashMap<i32, f64>>,
     pub ic: Option<u16>,
@@ -253,6 +255,8 @@ impl Device {
             id,
             name: None,
             name_hash: None,
+            prefab_name: None,
+            prefab_hash: None,
             fields: HashMap::new(),
             slots: Vec::new(),
             reagents: HashMap::new(),
@@ -273,6 +277,7 @@ impl Device {
                 value: 0.0,
             },
         );
+        device.prefab_name = Some("StructureCircuitHousing".to_owned());
         device.fields.insert(
             LogicType::Error,
             LogicField {
@@ -280,6 +285,7 @@ impl Device {
                 value: 0.0,
             },
         );
+        device.prefab_hash = Some(-128473777);
         device.fields.insert(
             LogicType::PrefabHash,
             LogicField {
diff --git a/ic10emu_wasm/src/lib.rs b/ic10emu_wasm/src/lib.rs
index c984eac..716252e 100644
--- a/ic10emu_wasm/src/lib.rs
+++ b/ic10emu_wasm/src/lib.rs
@@ -43,6 +43,16 @@ impl DeviceRef {
         self.device.borrow().name_hash
     }
 
+    #[wasm_bindgen(getter, js_name = "prefabName")]
+    pub fn prefab_name(&self) -> Option<String> {
+        self.device.borrow().prefab_name.clone()
+    }
+
+    #[wasm_bindgen(getter, js_name = "prefabHash")]
+    pub fn prefab_hash(&self) -> Option<i32> {
+        self.device.borrow().prefab_hash
+    }
+
     #[wasm_bindgen(getter, skip_typescript)]
     pub fn fields(&self) -> JsValue {
         serde_wasm_bindgen::to_value(&self.device.borrow().fields).unwrap()
diff --git a/ic10emu_wasm/src/types.ts b/ic10emu_wasm/src/types.ts
index 8230ba8..6bb32a8 100644
--- a/ic10emu_wasm/src/types.ts
+++ b/ic10emu_wasm/src/types.ts
@@ -26,11 +26,11 @@ type Defines = Map<string, number>;
 type Pins = (number | undefined)[]
 
 export interface DeviceRef {
-    readonly fields: Fields | undefined;
-    readonly slots: Slot[] | undefined;
-    readonly reagents: Reagents | undefined;
-    readonly connections: Connection[] | undefined;
-    readonly aliases: Aliases | undefined;
-    readonly defines: Defines | undefined;
-    readonly pins: Pins;
+    readonly fields: Fields;
+    readonly slots: Slot[];
+    readonly reagents: Reagents;
+    readonly connections: Connection[];
+    readonly aliases?: Aliases | undefined;
+    readonly defines?: Defines | undefined;
+    readonly pins?: Pins;
 }
diff --git a/www/cspell.json b/www/cspell.json
index 196686c..7c986dc 100644
--- a/www/cspell.json
+++ b/www/cspell.json
@@ -1,120 +1 @@
-{
-    "words": [
-        "Astroloy",
-        "Autolathe",
-        "bapal",
-        "bapz",
-        "bapzal",
-        "batchmode",
-        "batchmodes",
-        "bdns",
-        "bdnsal",
-        "bdse",
-        "bdseal",
-        "beqal",
-        "beqz",
-        "beqzal",
-        "bgeal",
-        "bgez",
-        "bgezal",
-        "bgtal",
-        "bgtz",
-        "bgtzal",
-        "bleal",
-        "blez",
-        "blezal",
-        "bltal",
-        "bltz",
-        "bltzal",
-        "bnaal",
-        "bnan",
-        "bnaz",
-        "bnazal",
-        "bneal",
-        "bnez",
-        "bnezal",
-        "brap",
-        "brapz",
-        "brdns",
-        "brdse",
-        "breq",
-        "breqz",
-        "brge",
-        "brgez",
-        "brgt",
-        "brgtz",
-        "brle",
-        "brlez",
-        "brlt",
-        "brltz",
-        "brna",
-        "brnan",
-        "brnaz",
-        "brne",
-        "brnez",
-        "Circuitboard",
-        "codegen",
-        "Depressurising",
-        "endpos",
-        "getd",
-        "Hardsuit",
-        "hardwrap",
-        "hashables",
-        "infile",
-        "jetpack",
-        "Keybind",
-        "lbns",
-        "logicable",
-        "logicslottypes",
-        "logictype",
-        "logictypes",
-        "lparen",
-        "Mineables",
-        "modelist",
-        "ninf",
-        "noconflict",
-        "offcanvas",
-        "overcolumn",
-        "Overlength",
-        "pedia",
-        "pinf",
-        "popperjs",
-        "preproc",
-        "Pressurising",
-        "putd",
-        "QUICKFIX",
-        "reagentmode",
-        "reagentmodes",
-        "rocketstation",
-        "rparen",
-        "sapz",
-        "sattellite",
-        "sdns",
-        "sdse",
-        "seqz",
-        "serde",
-        "sgez",
-        "sgtz",
-        "slez",
-        "slotlogic",
-        "slotlogicable",
-        "slotlogictype",
-        "slotlogictypes",
-        "slottype",
-        "sltz",
-        "snan",
-        "snanz",
-        "snaz",
-        "snez",
-        "splitn",
-        "Stationeers",
-        "stationpedia",
-        "themelist",
-        "tokentype",
-        "trunc",
-        "whos"
-    ],
-    "version": "0.2",
-    "language": "en",
-    "flagWords": []
-}
+{"flagWords":[],"words":["Astroloy","Autolathe","bapal","bapz","bapzal","batchmode","batchmodes","bdns","bdnsal","bdse","bdseal","beqal","beqz","beqzal","bgeal","bgez","bgezal","bgtal","bgtz","bgtzal","bleal","blez","blezal","bltal","bltz","bltzal","bnaal","bnan","bnaz","bnazal","bneal","bnez","bnezal","brap","brapz","brdns","brdse","breq","breqz","brge","brgez","brgt","brgtz","brle","brlez","brlt","brltz","brna","brnan","brnaz","brne","brnez","Circuitboard","codegen","Depressurising","endpos","getd","Hardsuit","hardwrap","hashables","hstack","infile","jetpack","Keybind","lbns","logicable","logicslottypes","logictype","logictypes","lparen","Mineables","modelist","ninf","noconflict","offcanvas","overcolumn","Overlength","pedia","pinf","popperjs","preproc","Pressurising","putd","QUICKFIX","reagentmode","reagentmodes","rocketstation","rparen","sapz","sattellite","sdns","sdse","seqz","serde","sgez","sgtz","slez","slotlogic","slotlogicable","slotlogictype","slotlogictypes","slottype","sltz","snan","snanz","snaz","snez","splitn","Stationeers","stationpedia","themelist","tokentype","trunc","whos","regen"],"language":"en","version":"0.2"}
diff --git a/www/src/index.html b/www/src/index.html
index ecb1c07..10a9162 100644
--- a/www/src/index.html
+++ b/www/src/index.html
@@ -199,7 +199,7 @@ <h6>Editor Cursor Style</h6>
                   <button id="vmControlReset" type="button" class="btn btn-warning">Reset</button>
                 </div>
               </div>
-              <div id="vmActiveICState" class="mt-2 col-2 col-sm-4 col-md-10">
+              <div id="vmActiveICState" class="mt-2 col-9 g-4">
 
                 <div class="hstack g-0">
                   <div>Instruction Pointer</div>
@@ -218,12 +218,34 @@ <h6>Editor Cursor Style</h6>
 
               </div>
             </div>
-            <div class="row mt-2 p2">
-              <button type="button" class="btn btn-outline-secondary">View Devices <span
-                  id="vmViewDeviceCount"></span></button>
+
+            <div class="row mt-1 ms-1 me-1">
+              <button type="button" class="btn btn-sm btn-outline-secondary" data-bs-toggle="offcanvas"
+                data-bs-target="#vmDevices" aria-expanded="false"
+                aria-controls="vmDevices">View All Devices <span id="vmViewDeviceCount"></span></button>
+            </div>
+            <div class="row p2">
+              <div class="collapse mt-1" id=vmDeviceSummaryCollapse>
+              </div>
             </div>
             <div class="row mt-2">
-              <div class="accordion" id="vmActiveIC">
+              <div class="accordion vm_accordion" id="vmActiveIC">
+                <div class="accordion-item">
+                  <h2 class="accordion-header">
+                    <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"
+                      data-bs-target="#collapseDeviceSummary" aria-expanded="false"
+                      aria-controls="collapseDeviceSummary">
+                      Device Summary
+                    </button>
+                  </h2>
+                  <div id="collapseDeviceSummary" class="accordion-collapse collapse">
+                    <div class="accordion-body">
+                      <div id="vmDeviceSummary" class="card card-body vm_device_summary">
+
+                      </div>
+                    </div>
+                  </div>
+                </div>
                 <div class="accordion-item">
                   <h2 class="accordion-header">
                     <button class="accordion-button" type="button" data-bs-toggle="collapse"
@@ -268,7 +290,7 @@ <h2 class="accordion-header">
   </script>
 
 
-  <div class="offcanvas offcanvas-start" tabindex="-1" id="vmDevices" aria-labelledby="vmDevicesLabel"
+  <div class="offcanvas offcanvas-bottom" tabindex="-1" id="vmDevices" aria-labelledby="vmDevicesLabel"
     data-bs-scroll="true" data-bs-backdrop="false">
     <div class="offcanvas-header">
       <h5 class="offcanvas-title" id="vmDevicesLabel">Devices</h5>
@@ -280,4 +302,4 @@ <h5 class="offcanvas-title" id="vmDevicesLabel">Devices</h5>
   </div>
 </body>
 
-</html>
\ No newline at end of file
+</html>
diff --git a/www/src/js/editor/ic10_highlight_rules.ts b/www/src/js/editor/ic10_highlight_rules.ts
index 5af79ed..5c39ae7 100644
--- a/www/src/js/editor/ic10_highlight_rules.ts
+++ b/www/src/js/editor/ic10_highlight_rules.ts
@@ -1,6 +1,6 @@
 
 
-var ops = (
+const ops = (
     "abs|acos|add|alias|and|asin|atan|atan2|bap|bapal|bapz|bapzal|bdns|" +
     "bdnsal|bdse|bdseal|beq|beqal|beqz|beqzal|bge|bgeal|bgez|bgezal|bgt|" +
     "bgtal|bgtz|bgtzal|ble|bleal|blez|blezal|blt|bltal|bltz|bltzal|bna|" +
@@ -14,7 +14,7 @@ var ops = (
     "xor|yield"
 );
 
-var enums = (
+const enums = (
     "AirCon\\.Cold|AirCon\\.Hot|AirControl\\.Draught|AirControl\\.None|" +
     "AirControl\\.Offline|AirControl\\.Pressure|Color\\.Black|Color\\.Blue|" +
     "Color\\.Brown|Color\\.Gray|Color\\.Green|Color\\.Khaki|Color\\.Orange|" +
@@ -186,157 +186,66 @@ var enums = (
     "Sound\\.TemperatureHigh|Sound\\.TemperatureLow|Sound\\.Three|" +
     "Sound\\.TraderIncoming|Sound\\.TraderLanded|Sound\\.Two|" +
     "Sound\\.Warning|Sound\\.Welcome|TransmitterMode\\.Active|" +
-    "TransmitterMode\\.Passive|Vent\\.Inward|Vent\\.Outward");
+    "TransmitterMode\\.Passive|Vent\\.Inward|Vent\\.Outward"
+);
 
-var logictypes = (
-    "Acceleration|Activate|AirRelease|AlignmentError|Apex|AutoLand|" +
-    "AutoShutOff|Bpm|BurnTimeRemaining|CelestialHash|CelestialParentHash|" +
-    "Channel0|Channel1|Channel2|Channel3|Channel4|Channel5|Channel6|" +
-    "Channel7|Charge|Chart|ChartedNavPoints|ClearMemory|CollectableGoods|" +
-    "Color|Combustion|CombustionInput|CombustionInput2|CombustionLimiter|" +
-    "CombustionOutput|CombustionOutput2|CompletionRatio|ContactTypeId|" +
-    "CurrentCode|CurrentResearchPodType|Density|DestinationCode|Discover|" +
-    "DistanceAu|DistanceKm|DrillCondition|DryMass|Eccentricity|ElevatorLevel|" +
-    "ElevatorSpeed|EntityState|EnvironmentEfficiency|Error|ExhaustVelocity|" +
-    "ExportCount|ExportQuantity|ExportSlotHash|ExportSlotOccupant|" +
-    "Filtration|FlightControlRule|Flush|ForceWrite|ForwardX|ForwardY|" +
-    "ForwardZ|Fuel|Harvest|Horizontal|HorizontalRatio|Idle|ImportCount|" +
-    "ImportQuantity|ImportSlotHash|ImportSlotOccupant|Inclination|" +
-    "Index|InterrogationProgress|LineNumber|Lock|ManualResearchRequiredPod|" +
-    "Mass|Maximum|MineablesInQueue|MineablesInVicinity|MinedQuantity|" +
-    "MinimumWattsToContact|Mode|NavPoints|NextWeatherEventTime|None|" +
-    "On|Open|OperationalTemperatureEfficiency|OrbitPeriod|Orientation|" +
-    "Output|PassedMoles|Plant|PlantEfficiency1|PlantEfficiency2|PlantEfficiency3|" +
-    "PlantEfficiency4|PlantGrowth1|PlantGrowth2|PlantGrowth3|PlantGrowth4|" +
-    "PlantHash1|PlantHash2|PlantHash3|PlantHash4|PlantHealth1|PlantHealth2|" +
-    "PlantHealth3|PlantHealth4|PositionX|PositionY|PositionZ|Power|" +
-    "PowerActual|PowerGeneration|PowerPotential|PowerRequired|PrefabHash|" +
-    "Pressure|PressureEfficiency|PressureExternal|PressureInput|PressureInput2|" +
-    "PressureInternal|PressureOutput|PressureOutput2|PressureSetting|" +
-    "Progress|Quantity|Ratio|RatioCarbonDioxide|RatioCarbonDioxideInput|" +
-    "RatioCarbonDioxideInput2|RatioCarbonDioxideOutput|RatioCarbonDioxideOutput2|" +
-    "RatioHydrogen|RatioLiquidCarbonDioxide|RatioLiquidCarbonDioxideInput|" +
-    "RatioLiquidCarbonDioxideInput2|RatioLiquidCarbonDioxideOutput|" +
-    "RatioLiquidCarbonDioxideOutput2|RatioLiquidHydrogen|RatioLiquidNitrogen|" +
-    "RatioLiquidNitrogenInput|RatioLiquidNitrogenInput2|RatioLiquidNitrogenOutput|" +
-    "RatioLiquidNitrogenOutput2|RatioLiquidNitrousOxide|RatioLiquidNitrousOxideInput|" +
-    "RatioLiquidNitrousOxideInput2|RatioLiquidNitrousOxideOutput|RatioLiquidNitrousOxideOutput2|" +
-    "RatioLiquidOxygen|RatioLiquidOxygenInput|RatioLiquidOxygenInput2|" +
-    "RatioLiquidOxygenOutput|RatioLiquidOxygenOutput2|RatioLiquidPollutant|" +
-    "RatioLiquidPollutantInput|RatioLiquidPollutantInput2|RatioLiquidPollutantOutput|" +
-    "RatioLiquidPollutantOutput2|RatioLiquidVolatiles|RatioLiquidVolatilesInput|" +
-    "RatioLiquidVolatilesInput2|RatioLiquidVolatilesOutput|RatioLiquidVolatilesOutput2|" +
-    "RatioNitrogen|RatioNitrogenInput|RatioNitrogenInput2|RatioNitrogenOutput|" +
-    "RatioNitrogenOutput2|RatioNitrousOxide|RatioNitrousOxideInput|" +
-    "RatioNitrousOxideInput2|RatioNitrousOxideOutput|RatioNitrousOxideOutput2|" +
-    "RatioOxygen|RatioOxygenInput|RatioOxygenInput2|RatioOxygenOutput|" +
-    "RatioOxygenOutput2|RatioPollutant|RatioPollutantInput|RatioPollutantInput2|" +
-    "RatioPollutantOutput|RatioPollutantOutput2|RatioPollutedWater|" +
-    "RatioSteam|RatioSteamInput|RatioSteamInput2|RatioSteamOutput|" +
-    "RatioSteamOutput2|RatioVolatiles|RatioVolatilesInput|RatioVolatilesInput2|" +
-    "RatioVolatilesOutput|RatioVolatilesOutput2|RatioWater|RatioWaterInput|" +
-    "RatioWaterInput2|RatioWaterOutput|RatioWaterOutput2|ReEntryAltitude|" +
-    "Reagents|RecipeHash|ReferenceId|RequestHash|RequiredPower|ReturnFuelCost|" +
-    "Richness|Rpm|SemiMajorAxis|Setting|SettingInput|SettingOutput|" +
+const logictypes = (
+    "Acceleration|Activate|AirRelease|AlignmentError|Apex|AutoLand|AutoShutOff|Bpm|" +
+    "BurnTimeRemaining|CelestialHash|CelestialParentHash|Channel0|Channel1|Channel2|Channel3|Channel4|" +
+    "Channel5|Channel6|Channel7|Charge|Chart|ChartedNavPoints|ClearMemory|CollectableGoods|" +
+    "Color|Combustion|CombustionInput|CombustionInput2|CombustionLimiter|CombustionOutput|CombustionOutput2|CompletionRatio|" +
+    "ContactTypeId|CurrentCode|CurrentResearchPodType|Density|DestinationCode|Discover|DistanceAu|DistanceKm|" +
+    "DrillCondition|DryMass|Eccentricity|ElevatorLevel|ElevatorSpeed|EntityState|EnvironmentEfficiency|Error|" +
+    "ExhaustVelocity|ExportCount|ExportQuantity|ExportSlotHash|ExportSlotOccupant|Filtration|FlightControlRule|Flush|" +
+    "ForceWrite|ForwardX|ForwardY|ForwardZ|Fuel|Harvest|Horizontal|HorizontalRatio|" +
+    "Idle|ImportCount|ImportQuantity|ImportSlotHash|ImportSlotOccupant|Inclination|Index|InterrogationProgress|" +
+    "LineNumber|Lock|ManualResearchRequiredPod|Mass|Maximum|MineablesInQueue|MineablesInVicinity|MinedQuantity|" +
+    "MinimumWattsToContact|Mode|NavPoints|NextWeatherEventTime|None|On|Open|OperationalTemperatureEfficiency|" +
+    "OrbitPeriod|Orientation|Output|PassedMoles|Plant|PlantEfficiency1|PlantEfficiency2|PlantEfficiency3|" +
+    "PlantEfficiency4|PlantGrowth1|PlantGrowth2|PlantGrowth3|PlantGrowth4|PlantHash1|PlantHash2|PlantHash3|" +
+    "PlantHash4|PlantHealth1|PlantHealth2|PlantHealth3|PlantHealth4|PositionX|PositionY|PositionZ|" +
+    "Power|PowerActual|PowerGeneration|PowerPotential|PowerRequired|PrefabHash|Pressure|PressureEfficiency|" +
+    "PressureExternal|PressureInput|PressureInput2|PressureInternal|PressureOutput|PressureOutput2|PressureSetting|Progress|" +
+    "Quantity|Ratio|RatioCarbonDioxide|RatioCarbonDioxideInput|RatioCarbonDioxideInput2|RatioCarbonDioxideOutput|RatioCarbonDioxideOutput2|RatioHydrogen|" +
+    "RatioLiquidCarbonDioxide|RatioLiquidCarbonDioxideInput|RatioLiquidCarbonDioxideInput2|" +
+    "RatioLiquidCarbonDioxideOutput|RatioLiquidCarbonDioxideOutput2|RatioLiquidHydrogen|RatioLiquidNitrogen|RatioLiquidNitrogenInput|" +
+    "RatioLiquidNitrogenInput2|RatioLiquidNitrogenOutput|RatioLiquidNitrogenOutput2|RatioLiquidNitrousOxide|" +
+    "RatioLiquidNitrousOxideInput|RatioLiquidNitrousOxideInput2|RatioLiquidNitrousOxideOutput|RatioLiquidNitrousOxideOutput2|" +
+    "RatioLiquidOxygen|RatioLiquidOxygenInput|RatioLiquidOxygenInput2|RatioLiquidOxygenOutput|" +
+    "RatioLiquidOxygenOutput2|RatioLiquidPollutant|RatioLiquidPollutantInput|RatioLiquidPollutantInput2|" +
+    "RatioLiquidPollutantOutput|RatioLiquidPollutantOutput2|RatioLiquidVolatiles|RatioLiquidVolatilesInput|" +
+    "RatioLiquidVolatilesInput2|RatioLiquidVolatilesOutput|RatioLiquidVolatilesOutput2|RatioNitrogen|" +
+    "RatioNitrogenInput|RatioNitrogenInput2|RatioNitrogenOutput|RatioNitrogenOutput2|RatioNitrousOxide|" +
+    "RatioNitrousOxideInput|RatioNitrousOxideInput2|RatioNitrousOxideOutput|" +
+    "RatioNitrousOxideOutput2|RatioOxygen|RatioOxygenInput|RatioOxygenInput2|RatioOxygenOutput|RatioOxygenOutput2|RatioPollutant|RatioPollutantInput|" +
+    "RatioPollutantInput2|RatioPollutantOutput|RatioPollutantOutput2|RatioPollutedWater|RatioSteam|RatioSteamInput|RatioSteamInput2|RatioSteamOutput|" +
+    "RatioSteamOutput2|RatioVolatiles|RatioVolatilesInput|RatioVolatilesInput2|RatioVolatilesOutput|RatioVolatilesOutput2|RatioWater|RatioWaterInput|" +
+    "RatioWaterInput2|RatioWaterOutput|RatioWaterOutput2|ReEntryAltitude|Reagents|RecipeHash|ReferenceId|RequestHash|" +
+    "RequiredPower|ReturnFuelCost|Richness|Rpm|SemiMajorAxis|Setting|SettingInput|SettingOutput|" +
     "SignalID|SignalStrength|Sites|Size|SizeX|SizeY|SizeZ|SolarAngle|" +
-    "SolarIrradiance|SoundAlert|Stress|Survey|TargetPadIndex|TargetX|" +
-    "TargetY|TargetZ|Temperature|TemperatureDifferentialEfficiency|" +
-    "TemperatureExternal|TemperatureInput|TemperatureInput2|TemperatureOutput|" +
-    "TemperatureOutput2|TemperatureSetting|Throttle|Thrust|ThrustToWeight|" +
-    "Time|TimeToDestination|TotalMoles|TotalMolesInput|TotalMolesInput2|" +
-    "TotalMolesOutput|TotalMolesOutput2|TotalQuantity|TrueAnomaly|" +
-    "VelocityMagnitude|VelocityRelativeX|VelocityRelativeY|VelocityRelativeZ|" +
-    "VelocityX|VelocityY|VelocityZ|Vertical|VerticalRatio|Volume|VolumeOfLiquid|" +
-    "WattsReachingContact|Weight|WorkingGasEfficiency");
-
-var logictypes = (
-    "Acceleration|Activate|AirRelease|AlignmentError|Apex|AutoLand|" +
-    "AutoShutOff|Average|Bpm|BurnTimeRemaining|Bypass|CelestialHash|" +
-    "CelestialParentHash|Channel|Channel0|Channel1|Channel2|Channel3|" +
-    "Channel4|Channel5|Channel6|Channel7|Charge|ChargeRatio|Class|" +
-    "ClearMemory|CollectableGoods|Color|Combustion|CombustionInput|" +
-    "CombustionInput2|CombustionLimiter|CombustionOutput|CombustionOutput2|" +
-    "CompletionRatio|ContactTypeId|Contents|CurrentResearchPodType|Damage|" +
-    "DestinationCode|DistanceAu|DistanceKm|DrillCondition|DryMass|" +
-    "Eccentricity|Efficiency|ElevatorLevel|ElevatorSpeed|EntityState|" +
-    "EnvironmentEfficiency|Error|ExhaustVelocity|ExportCount|" +
-    "ExportQuantity|ExportSlotHash|ExportSlotOccupant|FilterType|" +
-    "Filtration|FlightControlRule|Flush|ForceWrite|ForwardX|ForwardY|" +
-    "ForwardZ|Fuel|Growth|Harvest|Health|Horizontal|HorizontalRatio|" +
-    "Idle|ImportCount|ImportQuantity|ImportSlotHash|ImportSlotOccupant|" +
-    "Inclination|Index|InterrogationProgress|LineNumber|Lock|" +
-    "ManualResearchRequiredPod|Mass|Mature|MaxQuantity|Maximum|" +
-    "MinWattsToContact|MineablesInQueue|MineablesInVicinity|Minimum|" +
-    "MinimumWattsToContact|Mode|NextWeatherEventTime|None|OccupantHash|" +
-    "Occupied|On|Open|OperationalTemperatureEfficiency|OrbitPeriod|" +
-    "Orientation|Output|OverShootTarget|PassedMoles|Plant|" +
-    "PlantEfficiency1|PlantEfficiency2|PlantEfficiency3|PlantEfficiency4|" +
-    "PlantGrowth1|PlantGrowth2|PlantGrowth3|PlantGrowth4|PlantHash1|" +
-    "PlantHash2|PlantHash3|PlantHash4|PlantHealth1|PlantHealth2|" +
-    "PlantHealth3|PlantHealth4|PositionX|PositionY|PositionZ|Power|" +
-    "PowerActual|PowerGeneration|PowerPotential|PowerRequired|" +
-    "PrefabHash|Pressure|PressureAir|PressureEfficiency|PressureExternal|" +
-    "PressureInput|PressureInput2|PressureInternal|PressureOutput|" +
-    "PressureOutput2|PressureSetting|PressureWaste|Progress|Quantity|" +
-    "Ratio|RatioCarbonDioxide|RatioCarbonDioxideInput|" +
-    "RatioCarbonDioxideInput2|RatioCarbonDioxideOutput|" +
-    "RatioCarbonDioxideOutput2|RatioLiquidCarbonDioxide|" +
-    "RatioLiquidCarbonDioxideInput|RatioLiquidCarbonDioxideInput2|" +
-    "RatioLiquidCarbonDioxideOutput|RatioLiquidCarbonDioxideOutput2|" +
-    "RatioLiquidNitrogen|RatioLiquidNitrogenInput|" +
-    "RatioLiquidNitrogenInput2|RatioLiquidNitrogenOutput|" +
-    "RatioLiquidNitrogenOutput2|RatioLiquidNitrousOxide|" +
-    "RatioLiquidNitrousOxideInput|RatioLiquidNitrousOxideInput2|" +
-    "RatioLiquidNitrousOxideOutput|RatioLiquidNitrousOxideOutput2|" +
-    "RatioLiquidOxygen|RatioLiquidOxygenInput|RatioLiquidOxygenInput2|" +
-    "RatioLiquidOxygenOutput|RatioLiquidOxygenOutput2|" +
-    "RatioLiquidPollutant|RatioLiquidPollutantInput|" +
-    "RatioLiquidPollutantInput2|RatioLiquidPollutantOutput|" +
-    "RatioLiquidPollutantOutput2|RatioLiquidVolatiles|" +
-    "RatioLiquidVolatilesInput|RatioLiquidVolatilesInput2|" +
-    "RatioLiquidVolatilesOutput|RatioLiquidVolatilesOutput2|" +
-    "RatioNitrogen|RatioNitrogenInput|RatioNitrogenInput2|" +
-    "RatioNitrogenOutput|RatioNitrogenOutput2|RatioNitrousOxide|" +
-    "RatioNitrousOxideInput|RatioNitrousOxideInput2|" +
-    "RatioNitrousOxideOutput|RatioNitrousOxideOutput2|RatioOxygen|" +
-    "RatioOxygenInput|RatioOxygenInput2|RatioOxygenOutput|" +
-    "RatioOxygenOutput2|RatioPollutant|RatioPollutantInput|" +
-    "RatioPollutantInput2|RatioPollutantOutput|RatioPollutantOutput2|" +
-    "RatioSteam|RatioSteamInput|RatioSteamInput2|RatioSteamOutput|" +
-    "RatioSteamOutput2|RatioVolatiles|RatioVolatilesInput|" +
-    "RatioVolatilesInput2|RatioVolatilesOutput|RatioVolatilesOutput2|" +
-    "RatioWater|RatioWaterInput|RatioWaterInput2|RatioWaterOutput|" +
-    "RatioWaterOutput2|ReEntryAltitude|Reagents|Recipe|RecipeHash|" +
-    "ReferenceId|RequestHash|Required|RequiredPower|ReturnFuelCost|Rpm|" +
-    "Seeding|SemiMajorAxis|Setting|SettingInput|SettingInputHash|" +
-    "SettingOutput|SettingOutputHash|SignalID|SignalStrength|SizeX|SizeY|" +
-    "SizeZ|SolarAngle|SolarConstant|SolarIrradiance|SortingClass|" +
-    "SoundAlert|Stress|Sum|TargetPadIndex|TargetX|TargetY|TargetZ|" +
-    "Temperature|TemperatureDifferentialEfficiency|TemperatureExternal|" +
-    "TemperatureInput|TemperatureInput2|TemperatureOutput|" +
-    "TemperatureOutput2|TemperatureSetting|Throttle|Thrust|ThrustToWeight|" +
-    "Time|TimeToDestination|TotalMoles|TotalMolesInput|TotalMolesInput2|" +
-    "TotalMolesOutput|TotalMolesOutput2|TrueAnomaly|Unknown|" +
-    "VelocityMagnitude|VelocityRelativeX|VelocityRelativeY|" +
-    "VelocityRelativeZ|VelocityX|VelocityY|VelocityZ|Vertical|" +
-    "VerticalRatio|Volume|VolumeOfLiquid|WattsReachingContact|Weight" +
-    "|WorkingGasEfficiency"
+    "SolarIrradiance|SoundAlert|Stress|Survey|TargetPadIndex|TargetX|TargetY|TargetZ|" +
+    "Temperature|TemperatureDifferentialEfficiency|TemperatureExternal|TemperatureInput|TemperatureInput2|TemperatureOutput|TemperatureOutput2|TemperatureSetting|" +
+    "Throttle|Thrust|ThrustToWeight|Time|TimeToDestination|TotalMoles|TotalMolesInput|TotalMolesInput2|" +
+    "TotalMolesOutput|TotalMolesOutput2|TotalQuantity|TrueAnomaly|VelocityMagnitude|VelocityRelativeX|VelocityRelativeY|VelocityRelativeZ|" +
+    "VelocityX|VelocityY|VelocityZ|Vertical|VerticalRatio|Volume|VolumeOfLiquid|WattsReachingContact|" +
+    "Weight|WorkingGasEfficiency"
 );
 
-var logicslottypes = (
+
+const logicslottypes = (
     "Charge|ChargeRatio|Class|Damage|Efficiency|FilterType|Growth|" +
     "Health|LineNumber|Lock|Mature|MaxQuantity|None|OccupantHash|" +
     "Occupied|On|Open|PrefabHash|Pressure|PressureAir|PressureWaste|" +
     "Quantity|ReferenceId|Seeding|SortingClass|Temperature|Volume"
 );
 
-var batchmodes = ("Average|Maximum|Minimum|Sum");
+const batchmodes = ("Average|Maximum|Minimum|Sum");
 
-var reagentmodes = ("Contents|Recipe|Required|TotalContents");
+const reagentmodes = ("Contents|Recipe|Required|TotalContents");
 
-var constants = ("nan|pinf|ninf|pi|deg2rad|rad2deg|epsilon");
+const constants = ("nan|pinf|ninf|pi|deg2rad|rad2deg|epsilon");
 
-var deprecated = (
+const deprecated = (
     "ExportSlotHash|ExportSlotOccupant|ImportSlotHash|ImportSlotOccupant|" +
     "LogicType.ExportSlotHash|LogicType.ExportSlotOccupant|LogicType.ImportSlotHash|" +
     "LogicType.ImportSlotOccupant|LogicType.PlantEfficiency1|LogicType.PlantEfficiency2|" +
@@ -349,9 +258,10 @@ var deprecated = (
     "PlantHash3|PlantHash4|PlantHealth1|PlantHealth2|PlantHealth3|PlantHealth4"
 );
 
+// https://regex101.com/r/XWgqpN/1  << potentially useful regex for labeling jumps
 // regexp must not have capturing parentheses. Use (?:) instead.
 // regexps are ordered -> the first match is used
-var rules = {
+const rules = {
     start: [{
         token: "comment.line.number-sign",
         regex: /#.*$/,
@@ -372,14 +282,13 @@ var rules = {
     }, {
         token: "variable.language",
         regex: /\b(?:d(?:b|[0-5]|r*(?:[0-9]|1[0-7]))(?::[0-9]+)?)\b/,
+    }, {
+        token: "invalid.deprecated",
+        regex: "\\b(?:" + deprecated + ")\\b",
     }, {
         token: "support.type",
         regex: "\\b(?:" + logictypes + "|" + logicslottypes + "|" + batchmodes + "|" + reagentmodes + ")\\b",
     }, {
-        token: "invalid.deprecated",
-        regex: "\\b(?:" + deprecated + ")\\b",
-    }, 
-    {
         token: "constant.language",
         regex: "\\b(?:" + constants + ")\\b",
     }, {
@@ -398,4 +307,4 @@ var rules = {
     }]
 };
 
-export { rules };
\ No newline at end of file
+export { rules };
diff --git a/www/src/js/virtual_machine/device.ts b/www/src/js/virtual_machine/device.ts
index b80d743..042138f 100644
--- a/www/src/js/virtual_machine/device.ts
+++ b/www/src/js/virtual_machine/device.ts
@@ -1,29 +1,35 @@
 import { Offcanvas } from 'bootstrap';
 import { VirtualMachine, VirtualMachineUI } from '.';
-import { DeviceRef } from 'ic10emu_wasm';
+import { DeviceRef, VM } from 'ic10emu_wasm';
 
 
 class VMDeviceUI {
     ui: VirtualMachineUI;
-    root: HTMLDivElement;
-    canvasEl: HTMLElement;
+    summary: HTMLDivElement;
+    canvasEl: HTMLDivElement;
     deviceCountEl: HTMLElement;
     canvas: Offcanvas;
+    private _deviceCards: Map<number, VMDeviceCard>;
 
     constructor(ui: VirtualMachineUI) {
         const that = this;
         that.ui = ui;
-        this.root = document.createElement('div');
-        this.canvasEl = document.getElementById('vmDevicesOCBody');
-        this.deviceCountEl = document.getElementById('vmDViewDeviceCount');
-        this.canvas = new Offcanvas(this.canvasEl)
-
+        this.summary = document.getElementById('vmDeviceSummary') as HTMLDivElement;
+        this.canvasEl = document.getElementById('vmDevicesOCBody') as HTMLDivElement;
+        this.deviceCountEl = document.getElementById('vmViewDeviceCount');
+        this.canvas = new Offcanvas(this.canvasEl);
+        this._deviceCards = new Map();
     }
 
     update(active_ic: DeviceRef) {
         const devices = window.VM.devices;
-
-
+        this.deviceCountEl.innerText = `(${devices.size})`
+        for (const [id, device] of devices) {
+            if (!this._deviceCards.has(id)) {
+                this._deviceCards.set(id, new VMDeviceCard(this, device));
+            }
+        }
+        this._deviceCards.forEach((card, _id) => { card.update(active_ic)});
     }
 
 }
@@ -33,17 +39,68 @@ class VMDeviceCard {
     viewBtn: HTMLButtonElement;
     deviceUI: VMDeviceUI;
     device: DeviceRef;
+    badges: HTMLSpanElement[];
     constructor(deviceUI: VMDeviceUI, device: DeviceRef) {
-        const that = this;
+        // const that = this;
         this.deviceUI = deviceUI;
         this.device = device;
         this.root = document.createElement('div');
-        this.root.classList.add("hstack", "gap-2");
+        this.root.classList.add("hstack", "gap-2", "bg-light-subtle", "border", "border-secondary-subtle", "rounded");
         this.viewBtn = document.createElement('button');
         this.viewBtn.type = "button";
-        this.viewBtn.classList.add("btn", "btn-secondary");
-        const btnTxt = document.createTextNode(device.name)
-        this.deviceUI.root.appendChild(this.root);
+        this.viewBtn.classList.add("btn", "btn-success" );
+        this.root.appendChild(this.viewBtn);
+        this.deviceUI.summary.appendChild(this.root);
+        this.badges = [];
+
+        this.update(window.VM.activeIC);
+    }
+
+    update (active_ic: DeviceRef) {
+
+        const that = this;
+        // clear previous badges
+        this.badges.forEach(badge => badge.remove());
+        this.badges = []
+
+        //update name
+        var deviceName = this.device.name ?? this.device.prefabName ?? "";
+        if (deviceName) {
+            deviceName = `: ${deviceName}`
+        }
+        const btnTxt = `Device ${this.device.id}${deviceName}`
+        this.viewBtn.innerText = btnTxt;
+
+        // regen badges
+        this.device.connections.forEach((conn, index) => {
+            if ( typeof conn === "object") {
+                var badge = document.createElement('span');
+                badge.classList.add("badge", "text-bg-light");
+                badge.innerText = `Net ${index}:${conn.CableNetwork}`;
+                that.badges.push(badge);
+                that.root.appendChild(badge);
+            }
+
+        });
+
+        if (this.device.id === active_ic.id) {
+            var badge = document.createElement('span');
+            badge.classList.add("badge", "text-bg-success");
+            badge.innerText = "db";
+            that.badges.push(badge);
+            that.root.appendChild(badge);
+        }
+
+        active_ic.pins?.forEach((id, index) => {
+            if (that.device.id === id) {
+                var badge = document.createElement('span');
+                badge.classList.add("badge", "text-bg-success");
+                badge.innerText = `d${index}`;
+                that.badges.push(badge);
+                that.root.appendChild(badge);
+            }
+        });
+
     }
 
     destroy() {
@@ -52,4 +109,4 @@ class VMDeviceCard {
 
 }
 
-export { VMDeviceUI }
\ No newline at end of file
+export { VMDeviceUI }
diff --git a/www/src/js/virtual_machine/index.ts b/www/src/js/virtual_machine/index.ts
index 2a4f845..c6e049c 100644
--- a/www/src/js/virtual_machine/index.ts
+++ b/www/src/js/virtual_machine/index.ts
@@ -28,7 +28,7 @@ class VirtualMachine {
     ui: VirtualMachineUI;
     _devices: Map<number, DeviceRef>;
     _ics: Map<number, DeviceRef>;
-    db: any;
+    db: DeviceDB;
 
     constructor() {
         const vm = init();
@@ -69,6 +69,7 @@ class VirtualMachine {
         }
         for (const id of this._devices.keys()) {
             if (!device_ids.includes(id)) {
+                this._devices.get(id).free();
                 this._devices.delete(id);
             }
         }
@@ -81,6 +82,7 @@ class VirtualMachine {
         }
         for (const id of this._ics.keys()) {
             if (!ics.includes(id)) {
+                this._ics.get(id).free();
                 this._ics.delete(id);
             }
         }
@@ -412,4 +414,4 @@ class VMStackUI {
 
 }
 
-export { VirtualMachine, VirtualMachineUI , DeviceDB };
\ No newline at end of file
+export { VirtualMachine, VirtualMachineUI , DeviceDB };
diff --git a/www/src/scss/dark.scss b/www/src/scss/dark.scss
index cbf989f..7c627a4 100644
--- a/www/src/scss/dark.scss
+++ b/www/src/scss/dark.scss
@@ -400,6 +400,15 @@ code {
   z-index: 20;
 }
 
+.vm_accordion .accordion-button {
+  padding-top: 0.2rem;
+  padding-bottom: 0.2rem;
+}
+
+.vm_accordion .accordion-header {
+  line-height: 0.75rem;
+}
+
 .vm_reg {
   overflow-x: auto;
   overflow-y: auto;
@@ -483,4 +492,14 @@ code {
 
 .vm_stack_cel span.stack_pointer  {
   background-color: var(--bs-success);
-}
\ No newline at end of file
+}
+
+.vm_device_summary button.btn {
+  line-height: 0.75rem;
+
+}
+
+.vm_device_summary span.badge {
+  line-height: 0.5rem;
+  font-size: 0.65rem;
+}