diff --git a/save/systems/demo-system-jog-a.json b/save/systems/demo-system-jog-a.json
new file mode 100644
index 0000000000000000000000000000000000000000..a792642c407490207913a319256f26238f8f689f
--- /dev/null
+++ b/save/systems/demo-system-jog-a.json
@@ -0,0 +1,680 @@
+{
+ "interpreterName": "cuttlefish",
+ "interpreterVersion": "v0.1",
+ "hunks": [
+ {
+ "type": "manager",
+ "name": "nrol",
+ "inputs": [
+ {
+ "name": "msgs",
+ "type": "byteArray"
+ }
+ ],
+ "outputs": [
+ {
+ "name": "msgs",
+ "type": "byteArray",
+ "connections": [
+ {
+ "inHunkIndex": "1",
+ "inHunkInput": "0"
+ }
+ ]
+ }
+ ]
+ },
+ {
+ "type": "view",
+ "name": "tlview",
+ "inputs": [
+ {
+ "name": "msgs",
+ "type": "byteArray"
+ }
+ ],
+ "outputs": [
+ {
+ "name": "msgs",
+ "type": "byteArray",
+ "connections": [
+ {
+ "inHunkIndex": "0",
+ "inHunkInput": "0"
+ }
+ ]
+ }
+ ]
+ },
+ {
+ "type": "link",
+ "name": "link_2",
+ "inputs": [
+ {
+ "name": "data",
+ "type": "byteArray"
+ },
+ {
+ "name": "mgrMsgs",
+ "type": "byteArray"
+ },
+ {
+ "name": "auto_254_2",
+ "type": "byteArray"
+ },
+ {
+ "name": "auto_135_3",
+ "type": "MDmseg"
+ }
+ ],
+ "outputs": [
+ {
+ "name": "data",
+ "type": "byteArray",
+ "connections": [
+ {
+ "inHunkIndex": "3",
+ "inHunkInput": "0"
+ }
+ ]
+ },
+ {
+ "name": "mgrMsgs",
+ "type": "byteArray",
+ "connections": [
+ {
+ "inHunkIndex": "4",
+ "inHunkInput": "0"
+ }
+ ]
+ },
+ {
+ "name": "auto_30_3",
+ "type": "byteArray",
+ "connections": [
+ {
+ "inHunkIndex": "5",
+ "inHunkInput": "0"
+ }
+ ]
+ }
+ ],
+ "states": [
+ {
+ "name": "isActive",
+ "type": "boolean",
+ "value": "true"
+ },
+ {
+ "name": "otherLink",
+ "type": "uint16",
+ "value": "1"
+ },
+ {
+ "name": "inputList",
+ "type": "string",
+ "value": "mgrMsgs (byteArray), auto_254_2 (byteArray), auto_135_3 (MDmseg)"
+ },
+ {
+ "name": "outputList",
+ "type": "string",
+ "value": "mgrMsgs (byteArray), auto_30_3 (byteArray)"
+ }
+ ],
+ "contains": {
+ "interpreterName": "ponyo",
+ "interpreterVersion": "v0.1",
+ "hunks": [
+ {
+ "type": "manager",
+ "name": "ponyo_one",
+ "inputs": [
+ {
+ "name": "mgrMsgs_1024",
+ "type": "byteArray"
+ }
+ ],
+ "outputs": [
+ {
+ "name": "mgrMsgs_1024",
+ "type": "byteArray",
+ "connections": [
+ {
+ "inHunkIndex": "1",
+ "inHunkInput": "1"
+ }
+ ]
+ }
+ ]
+ },
+ {
+ "type": "link",
+ "name": "link_1",
+ "inputs": [
+ {
+ "name": "data_1024",
+ "type": "byteArray"
+ },
+ {
+ "name": "mgrMsgs_1024",
+ "type": "byteArray"
+ },
+ {
+ "name": "auto_151_3_512",
+ "type": "byteArray"
+ }
+ ],
+ "outputs": [
+ {
+ "name": "data_1024",
+ "type": "byteArray",
+ "connections": [
+ {
+ "inHunkIndex": "2",
+ "inHunkInput": "0"
+ }
+ ]
+ },
+ {
+ "name": "mgrMsgs_1024",
+ "type": "byteArray",
+ "connections": [
+ {
+ "inHunkIndex": "0",
+ "inHunkInput": "0"
+ }
+ ]
+ },
+ {
+ "name": "auto_91_2_512",
+ "type": "byteArray",
+ "connections": [
+ {
+ "inHunkIndex": "5",
+ "inHunkInput": "1"
+ }
+ ]
+ },
+ {
+ "name": "auto_64_3",
+ "type": "MDmseg",
+ "connections": [
+ {
+ "inHunkIndex": "4",
+ "inHunkInput": "0"
+ }
+ ]
+ }
+ ],
+ "states": [
+ {
+ "name": "isActive",
+ "type": "boolean",
+ "value": "true"
+ },
+ {
+ "name": "otherLink",
+ "type": "uint16",
+ "value": "2"
+ },
+ {
+ "name": "inputList",
+ "type": "string",
+ "value": "mgrMsgs (byteArray), auto_151_3 (byteArray)"
+ },
+ {
+ "name": "outputList",
+ "type": "string",
+ "value": "mgrMsgs (byteArray), auto_91_2 (byteArray), auto_64_3 (MDmseg)"
+ }
+ ]
+ },
+ {
+ "type": "comm/COBS_USB",
+ "name": "comm/COBS_USB_2",
+ "inputs": [
+ {
+ "name": "data_1024",
+ "type": "byteArray"
+ }
+ ],
+ "outputs": [
+ {
+ "name": "data_1024",
+ "type": "byteArray",
+ "connections": [
+ {
+ "inHunkIndex": "1",
+ "inHunkInput": "0"
+ }
+ ]
+ }
+ ]
+ },
+ {
+ "type": "comm/COBSerial_A",
+ "name": "comm/COBSerial_A_3",
+ "inputs": [
+ {
+ "name": "data_1024",
+ "type": "byteArray"
+ }
+ ],
+ "outputs": [
+ {
+ "name": "data_1024",
+ "type": "byteArray",
+ "connections": [
+ {
+ "inHunkIndex": "5",
+ "inHunkInput": "0"
+ }
+ ]
+ }
+ ]
+ },
+ {
+ "type": "control/MDtoDmseg",
+ "name": "control/MDtoDmseg_4",
+ "inputs": [
+ {
+ "name": "motionSegment",
+ "type": "MDmseg"
+ }
+ ],
+ "outputs": [
+ {
+ "name": "dmSegX",
+ "type": "mseg",
+ "connections": [
+ {
+ "inHunkIndex": "5",
+ "inHunkInput": "2"
+ }
+ ]
+ },
+ {
+ "name": "dmSegY",
+ "type": "mseg"
+ },
+ {
+ "name": "dmSegZ",
+ "type": "mseg"
+ }
+ ]
+ },
+ {
+ "type": "link",
+ "name": "link_5",
+ "inputs": [
+ {
+ "name": "data_1024",
+ "type": "byteArray"
+ },
+ {
+ "name": "mgrMsgs_512",
+ "type": "byteArray"
+ },
+ {
+ "name": "auto_182_2",
+ "type": "mseg"
+ }
+ ],
+ "outputs": [
+ {
+ "name": "data_1024",
+ "type": "byteArray",
+ "connections": [
+ {
+ "inHunkIndex": "3",
+ "inHunkInput": "0"
+ }
+ ]
+ },
+ {
+ "name": "mgrMsgs_512",
+ "type": "byteArray",
+ "connections": [
+ {
+ "inHunkIndex": "1",
+ "inHunkInput": "2"
+ }
+ ]
+ }
+ ],
+ "states": [
+ {
+ "name": "isActive",
+ "type": "boolean",
+ "value": "true"
+ },
+ {
+ "name": "otherLink",
+ "type": "uint16",
+ "value": "1"
+ },
+ {
+ "name": "inputList",
+ "type": "string",
+ "value": "mgrMsgs (byteArray), auto_182_2 (mseg)"
+ },
+ {
+ "name": "outputList",
+ "type": "string",
+ "value": "mgrMsgs (byteArray)"
+ }
+ ],
+ "contains": {
+ "interpreterName": "ponyo",
+ "interpreterVersion": "v0.1",
+ "hunks": [
+ {
+ "type": "manager",
+ "name": "ponyo_one",
+ "inputs": [
+ {
+ "name": "mgrMsgs_1024",
+ "type": "byteArray"
+ }
+ ],
+ "outputs": [
+ {
+ "name": "mgrMsgs_1024",
+ "type": "byteArray",
+ "connections": [
+ {
+ "inHunkIndex": "1",
+ "inHunkInput": "1"
+ }
+ ]
+ }
+ ]
+ },
+ {
+ "type": "link",
+ "name": "link_1",
+ "inputs": [
+ {
+ "name": "data_1024",
+ "type": "byteArray"
+ },
+ {
+ "name": "mgrMsgs_1024",
+ "type": "byteArray"
+ }
+ ],
+ "outputs": [
+ {
+ "name": "data_1024",
+ "type": "byteArray",
+ "connections": [
+ {
+ "inHunkIndex": "2",
+ "inHunkInput": "0"
+ }
+ ]
+ },
+ {
+ "name": "mgrMsgs_1024",
+ "type": "byteArray",
+ "connections": [
+ {
+ "inHunkIndex": "0",
+ "inHunkInput": "0"
+ }
+ ]
+ },
+ {
+ "name": "auto_142_2",
+ "type": "mseg",
+ "connections": [
+ {
+ "inHunkIndex": "3",
+ "inHunkInput": "0"
+ }
+ ]
+ }
+ ],
+ "states": [
+ {
+ "name": "isActive",
+ "type": "boolean",
+ "value": "true"
+ },
+ {
+ "name": "otherLink",
+ "type": "uint16",
+ "value": "5"
+ },
+ {
+ "name": "inputList",
+ "type": "string",
+ "value": "mgrMsgs (byteArray)"
+ },
+ {
+ "name": "outputList",
+ "type": "string",
+ "value": "mgrMsgs (byteArray), auto_142_2 (mseg)"
+ }
+ ]
+ },
+ {
+ "type": "comm/COBSerial_A",
+ "name": "comm/COBSerial_A_2",
+ "inputs": [
+ {
+ "name": "data_1024",
+ "type": "byteArray"
+ }
+ ],
+ "outputs": [
+ {
+ "name": "data_1024",
+ "type": "byteArray",
+ "connections": [
+ {
+ "inHunkIndex": "1",
+ "inHunkInput": "0"
+ }
+ ]
+ }
+ ]
+ },
+ {
+ "type": "driver/stepper",
+ "name": "step_driver",
+ "inputs": [
+ {
+ "name": "increment",
+ "type": "mseg"
+ },
+ {
+ "name": "enable",
+ "type": "boolean"
+ }
+ ],
+ "outputs": [
+ {
+ "name": "increment",
+ "type": "int32"
+ },
+ {
+ "name": "stallGuard",
+ "type": "uint32"
+ }
+ ],
+ "states": [
+ {
+ "name": "enable",
+ "type": "boolean",
+ "value": "true"
+ },
+ {
+ "name": "steps per unit",
+ "type": "int32",
+ "value": "80"
+ },
+ {
+ "name": "current (6-24)",
+ "type": "uint16",
+ "value": "16"
+ }
+ ]
+ }
+ ]
+ }
+ }
+ ]
+ }
+ },
+ {
+ "type": "pipes/vfptc",
+ "name": "pipes/vfptc_3",
+ "inputs": [
+ {
+ "name": "data",
+ "type": "byteArray"
+ }
+ ],
+ "outputs": [
+ {
+ "name": "data",
+ "type": "byteArray",
+ "connections": [
+ {
+ "inHunkIndex": "2",
+ "inHunkInput": "0"
+ }
+ ]
+ }
+ ],
+ "states": [
+ {
+ "name": "pipe status",
+ "type": "string",
+ "value": "open"
+ },
+ {
+ "name": "websocket port",
+ "type": "string",
+ "value": "2042"
+ },
+ {
+ "name": "usb product id",
+ "type": "string",
+ "value": "8022"
+ },
+ {
+ "name": "pipe reset",
+ "type": "boolean",
+ "value": "false"
+ },
+ {
+ "name": "serialport status",
+ "type": "string",
+ "value": "open"
+ }
+ ]
+ },
+ {
+ "type": "view",
+ "name": "view_4",
+ "inputs": [
+ {
+ "name": "msgs",
+ "type": "byteArray"
+ }
+ ],
+ "outputs": [
+ {
+ "name": "msgs",
+ "type": "byteArray",
+ "connections": [
+ {
+ "inHunkIndex": "2",
+ "inHunkInput": "1"
+ }
+ ]
+ }
+ ]
+ },
+ {
+ "type": "view",
+ "name": "view_5",
+ "inputs": [
+ {
+ "name": "msgs",
+ "type": "byteArray"
+ }
+ ],
+ "outputs": [
+ {
+ "name": "msgs",
+ "type": "byteArray",
+ "connections": [
+ {
+ "inHunkIndex": "2",
+ "inHunkInput": "2"
+ }
+ ]
+ }
+ ]
+ },
+ {
+ "type": "adhoc/saturn",
+ "name": "adhoc/saturn_6",
+ "inputs": [
+ {
+ "name": "posn",
+ "type": "array"
+ }
+ ],
+ "outputs": [
+ {
+ "name": "posn",
+ "type": "array"
+ },
+ {
+ "name": "motionSegment",
+ "type": "MDmseg",
+ "connections": [
+ {
+ "inHunkIndex": "2",
+ "inHunkInput": "3"
+ }
+ ]
+ }
+ ],
+ "states": [
+ {
+ "name": "incremental mode",
+ "type": "boolean",
+ "value": "true"
+ }
+ ]
+ },
+ {
+ "type": "interface/array",
+ "name": "interface/array_7",
+ "outputs": [
+ {
+ "name": "arr",
+ "type": "array",
+ "connections": [
+ {
+ "inHunkIndex": "6",
+ "inHunkInput": "0"
+ }
+ ]
+ }
+ ],
+ "states": [
+ {
+ "name": "csv",
+ "type": "string",
+ "value": "100, 0, 0"
+ }
+ ]
+ }
+ ]
+}
\ No newline at end of file
diff --git a/typeset.js b/typeset.js
index 1edd15a118f5d56af99b7abaed85aac182123298..6d1b99933a3ba8be2edadc64698d460f7046d5ad 100644
--- a/typeset.js
+++ b/typeset.js
@@ -1,3 +1,15 @@
+/*
+typeset.js
+
+Jake Read at the Center for Bits and Atoms
+(c) Massachusetts Institute of Technology 2019
+
+This work may be reproduced, modified, distributed, performed, and
+displayed for any purpose, but must acknowledge the squidworks and cuttlefish projects.
+Copyright is retained and must be preserved. The work is provided as is;
+no warranty is provided, and users accept all liability.
+*/
+
// typeset: functional types -> bytes for js -> embedded sys
// bless up @ modern js https://developer.mozilla.org/en-US/docs/Web/JavaScript/Typed_arrays