0.8.4

(cherry picked from commit 62848ed)

CONTRIBUTING.md

@@ -0,0 +1,26 @@
+# Contributing Code
+
+PXT accepts bug fix pull requests. For a bug fix PR to be accepted, it must first have a tracking issue that has been marked approved. Your PR should link to the bug you are fixing. If you've submitted a PR for a bug, please post a comment in the bug to avoid duplication of effort.
+
+PXT also accepts new feature pull requests. For a feature-level PR to be accepted, it first needs to have design discussion. Design discussion can take one of two forms a) a feature request in the issue tracker that has been marked as approved or b) the PR must be accompanied by a full design spec and this spec is later approved in the open design discussion. Features are evaluated against their complexity, impact on other features, roadmap alignment, and maintainability.
+
+These two blogs posts on contributing code to open source projects are a good reference: [Open Source Contribution Etiquette](http://tirania.org/blog/archive/2010/Dec-31.html) by Miguel de Icaza and [Don't "Push" Your Pull Requests](https://www.igvita.com/2011/12/19/dont-push-your-pull-requests/) by Ilya Grigorik.
+
+## Security
+
+If you believe you have found a security issue in PXT, please share it with us privately following the guidance at the Microsoft [Security TechCenter](https://technet.microsoft.com/en-us/security/ff852094). Reporting it via this channel helps minimize risk to projects built with PXT.
+
+## Legal
+
+You will need to complete a Contributor License Agreement (CLA) before your pull request can be accepted. This agreement testifies that you are granting us permission to use the source code you are submitting, and that this work is being submitted under appropriate license that we can use it.
+
+You can complete the CLA by going through the steps at https://cla.microsoft.com. Once we have received the signed CLA, we'll review the request. You will only need to do this once.
+
+## Housekeeping
+
+Your pull request should:
+* Include a description of what your change intends to do
+* Be a child commit of a reasonably recent commit in the master branch
+* Pass all unit tests
+* Have a clear commit message
+* Include adequate tests

LICENSE.txt

@@ -0,0 +1,25 @@
+PXT - Programming Experience Toolkit
+
+The MIT License (MIT)
+
+Copyright (c) Microsoft Corporation
+
+All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

cmds/cmds.ts

@@ -1,59 +0,0 @@
-/// <reference path="../node_modules/pxt-core/built/pxt.d.ts"/>
-
-import * as fs from "fs";
-import * as path from "path";
-import * as child_process from "child_process";
-
-let writeFileAsync: any = Promise.promisify(fs.writeFile)
-let execAsync: (cmd: string, options?: { cwd?: string }) => Promise<Buffer> = Promise.promisify(child_process.exec)
-let readDirAsync = Promise.promisify(fs.readdir)
-
-
-export function deployCoreAsync(res: ts.pxtc.CompileResult) {
-    return getBitDrivesAsync()
-        .then(drives => {
-            if (drives.length == 0) {
-                console.log("cannot find any drives to deploy to");
-                return Promise.resolve(0);
-            }
-
-            console.log(`copy ${ts.pxtc.BINARY_HEX} to ` + drives.join(", "));
-
-            let writeHexFile = (filename: string) => {
-                return writeFileAsync(filename + ts.pxtc.BINARY_HEX, res.outfiles[ts.pxtc.BINARY_HEX])
-                    .then(() => console.log("wrote hex file to " + filename));
-            };
-
-            return Promise.map(drives, d => writeHexFile(d))
-                .then(() => drives.length);
-        });
-}
-
-function getBitDrivesAsync(): Promise<string[]> {
-    if (process.platform == "win32") {
-        const rx = new RegExp("^([A-Z]:).* " + pxt.appTarget.compile.deployDrives)
-        return execAsync("wmic PATH Win32_LogicalDisk get DeviceID, VolumeName, FileSystem")
-            .then(buf => {
-                let res: string[] = []
-                buf.toString("utf8").split(/\n/).forEach(ln => {
-                    let m = rx.exec(ln)
-                    if (m) {
-                        res.push(m[1] + "/")
-                    }
-                })
-                return res
-            })
-    }
-    else if (process.platform == "darwin") {
-        const rx = new RegExp(pxt.appTarget.compile.deployDrives)
-        return readDirAsync("/Volumes")
-            .then(lst => lst.filter(s => rx.test(s)).map(s => "/Volumes/" + s + "/"))
-    } else if (process.platform == "linux") {
-        const rx = new RegExp(pxt.appTarget.compile.deployDrives)
-        const user = process.env["USER"]
-        return readDirAsync(`/media/${user}`)
-            .then(lst => lst.filter(s => rx.test(s)).map(s => `/media/${user}/${s}/`))
-    } else {
-        return Promise.resolve([])
-    }
-}

cmds/pxtrequire.ts

@@ -1,3 +1,6 @@
+/// <reference path="../node_modules/pxt-core/typings/globals/node/index.d.ts"/>
+/// <reference path="../node_modules/pxt-core/built/pxtlib.d.ts" />
+
 import * as path from "path";
 export let pxtCore = require("pxt-core");
 // require.resolve() gives path to [pxt dir]/built/pxt.js, so move up twice to get pxt root dir

docs/index-ref.json

@@ -1,3 +1,3 @@
 {
-    "appref": "v0.5.87"
+    "appref": "v0.8.2"
 }

docs/reference/serial.md

@@ -7,8 +7,11 @@ serial.writeLine("");
 serial.writeNumber(0);
 serial.writeValue("x", 0);
 serial.writeString("");
+serial.readUntil(",");
 serial.readLine();
+serial.readString();
 serial.redirect(SerialPin.P0, SerialPin.P0, BaudRate.BaudRate115200);
+serial.onDataReceived(",", () => {})
 ```
 
 ### See Also

docs/reference/serial/on-data-received.md

@@ -0,0 +1,29 @@
+# Serial On Data Received
+
+Registers an event to be fired when one of the delimiter is matched.
+
+
+```sig
+serial.onDataReceived(",", () => {})
+```
+
+### Parameters
+
+* `delimiters` is a [string](/reference/types/string) containing any of the character to match
+
+### Example
+
+Read values separated by `,`:
+
+```blocks
+serial.onDataReceived(serial.delimiters(Delimiters.Comma), () => {
+    basic.showString(serial.readUntil(serial.delimiters(Delimiters.Comma)))
+})
+```
+
+### See also
+
+[serial](/device/serial),
+[serial write line](/reference/serial/write-line),
+[serial write value](/reference/serial/write-value)
+

docs/reference/serial/read-string.md

@@ -0,0 +1,27 @@
+# Serial Read String
+
+Read the buffered serial data as a string
+
+```sig
+serial.readString();
+```
+
+### Returns
+
+* a [string](/reference/types/string) containing input from the serial port. Empty if no data available.
+
+### Example
+
+The following program scrolls text on the screen as it arrives from serial.
+
+```blocks
+basic.forever(() => {
+    basic.showString(serial.readString());
+});
+```
+
+### See also
+
+[serial](/device/serial),
+[serial write line](/reference/serial/write-line),
+[serial write value](/reference/serial/write-value)

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-           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title>BBC micro:bit</dc:title></cc:Work></rdf:RDF></metadata><defs
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libs/bluetooth/_locales/bluetooth-jsdoc-strings.json

@@ -1,5 +1,5 @@
 {
-  "bluetooth": "Support for additional Bluetooth services.",
+  "bluetooth": "Support for additional Bluetooth services.\n\nSupport for additional Bluetooth services.",
   "bluetooth.onBluetoothConnected": "Register code to run when the micro:bit is connected to over Bluetooth",
   "bluetooth.onBluetoothConnected|param|body": "Code to run when a Bluetooth connection is established",
   "bluetooth.onBluetoothDisconnected": "Register code to run when a bluetooth connection to the micro:bit is lost",

libs/bluetooth/bluetooth.ts

@@ -1,7 +1,7 @@
 /**
  * Support for additional Bluetooth services.
  */
-//% color=#0082FB weight=20
+//% color=#0082FB weight=20 icon="\uf294"
 namespace bluetooth {
     /**
     *  Writes to the Bluetooth UART service buffer. From there the data is transmitted over Bluetooth to a connected device.

libs/core/ManagedBuffer.cpp

@@ -0,0 +1,373 @@
+#include "MicroBit.h"
+#include "ManagedBuffer.h"
+#include <limits.h>
+
+static const char empty[] __attribute__ ((aligned (4))) = "\xff\xff\0\0\0";
+
+/**
+  * Internal constructor helper.
+  * Configures this ManagedBuffer to refer to the static empty buffer.
+  */
+void ManagedBuffer::initEmpty()
+{
+    ptr = (BufferData*)(void*)empty;
+}
+
+/**
+ * Default Constructor. 
+ * Creates an empty ManagedBuffer. 
+ *
+ * Example:
+ * @code
+ * ManagedBuffer p(); 
+ * @endcode
+ */
+ManagedBuffer::ManagedBuffer()
+{
+    initEmpty();
+}
+
+/**
+ * Constructor. 
+ * Creates an empty ManagedBuffer of the given size. 
+ *
+ * @param length The length of the buffer to create.
+ *
+ * Example:
+ * @code
+ * ManagedBuffer p(16);         // Creates a ManagedBuffer 16 bytes long.
+ * @endcode
+ */
+ManagedBuffer::ManagedBuffer(int length)
+{
+    this->init(NULL, length);
+}
+
+/**
+ * Constructor. 
+ * Creates a new ManagedBuffer of the given size,
+ * and fills it with the data provided.
+ *
+ * @param data The data with which to fill the buffer.
+ * @param length The length of the buffer to create.
+ * 
+ * Example:
+ * @code
+ * uint8_t buf = {13,5,2};
+ * ManagedBuffer p(buf, 3);         // Creates a ManagedBuffer 3 bytes long.
+ * @endcode
+ */
+ManagedBuffer::ManagedBuffer(uint8_t *data, int length)
+{
+    this->init(data, length);
+}
+
+/**
+ * Copy Constructor. 
+ * Add ourselves as a reference to an existing ManagedBuffer.
+ * 
+ * @param buffer The ManagedBuffer to reference.
+ *
+ * Example:
+ * @code
+ * ManagedBuffer p();
+ * ManagedBuffer p2(i);        // Refers to the same buffer as p. 
+ * @endcode
+ */
+ManagedBuffer::ManagedBuffer(const ManagedBuffer &buffer)
+{
+    ptr = buffer.ptr;
+    ptr->incr();
+}
+
+/**
+  * Constructor. 
+  * Create a buffer from a raw BufferData pointer. It will ptr->incr(). This is to be used by specialized runtimes.
+  *
+  * @param p The pointer to use.
+  */    
+ManagedBuffer::ManagedBuffer(BufferData *p)
+{
+    ptr = p;
+    ptr->incr();
+}
+
+/**
+ * Internal constructor-initialiser.
+ *
+ * @param data The data with which to fill the buffer.
+ * @param length The length of the buffer to create.
+ * 
+ */
+void ManagedBuffer::init(uint8_t *data, int length)
+{
+    if (length <= 0) {
+        initEmpty();
+        return;
+    }
+
+    ptr = (BufferData *) malloc(sizeof(BufferData) + length);
+    ptr->init();
+
+    ptr->length = length;
+
+    // Copy in the data buffer, if provided.
+    if (data)
+        memcpy(ptr->payload, data, length);
+    else
+        memset(ptr->payload, 0, length);
+}
+
+/**
+ * Destructor. 
+ * Removes buffer resources held by the instance.
+ */
+ManagedBuffer::~ManagedBuffer()
+{
+    ptr->decr();
+}
+
+/**
+ * Copy assign operation. 
+ *
+ * Called when one ManagedBuffer is assigned the value of another using the '=' operator.
+ * Decrements our reference count and free up the buffer as necessary.
+ * Then, update our buffer to refer to that of the supplied ManagedBuffer,
+ * and increase its reference count.
+ *
+ * @param p The ManagedBuffer to reference.
+ * 
+ * Example:
+ * @code
+ * uint8_t buf = {13,5,2};
+ * ManagedBuffer p1(16); 
+ * ManagedBuffer p2(buf, 3);        
+ *
+ * p1 = p2;  
+ * @endcode
+ */
+ManagedBuffer& ManagedBuffer::operator = (const ManagedBuffer &p)
+{
+    if(ptr == p.ptr)
+        return *this;
+
+    ptr->decr();
+    ptr = p.ptr;
+    ptr->incr();
+
+    return *this;
+}
+
+/**
+ * Equality operation.
+ *
+ * Called when one ManagedBuffer is tested to be equal to another using the '==' operator.
+ *
+ * @param p The ManagedBuffer to test ourselves against.
+ * @return true if this ManagedBuffer is identical to the one supplied, false otherwise.
+ * 
+ * Example:
+ * @code
+ *
+ * uint8_t buf = {13,5,2};
+ * ManagedBuffer p1(16); 
+ * ManagedBuffer p2(buf, 3);        
+ *
+ * if(p1 == p2)                    // will be true
+ *     uBit.display.scroll("same!");
+ * @endcode
+ */
+bool ManagedBuffer::operator== (const ManagedBuffer& p)
+{
+    if (ptr == p.ptr)
+        return true;
+    else
+        return (ptr->length == p.ptr->length && (memcmp(ptr->payload, p.ptr->payload, ptr->length)==0));    
+}
+
+/**
+ * Sets the byte at the given index to value provided.
+ * @param position The index of the byte to change.
+ * @param value The new value of the byte (0-255).
+ * @return MICROBIT_OK, or MICROBIT_INVALID_PARAMETER.
+ *
+ * Example:
+ * @code
+ * ManagedBuffer p1(16); 
+ * p1.setByte(0,255);              // Sets the firts byte in the buffer to the value 255.
+ * @endcode
+ */
+int ManagedBuffer::setByte(int position, uint8_t value)
+{
+    if (0 <= position && position < ptr->length)
+    {
+        ptr->payload[position] = value;
+        return MICROBIT_OK;
+    }
+    else
+    {
+        return MICROBIT_INVALID_PARAMETER;
+    }
+}
+
+/**
+ * Determines the value of the given byte in the buffer.
+ *
+ * @param position The index of the byte to read.
+ * @return The value of the byte at the given position, or MICROBIT_INVALID_PARAMETER.
+ *
+ * Example:
+ * @code
+ * ManagedBuffer p1(16); 
+ * p1.setByte(0,255);              // Sets the firts byte in the buffer to the value 255.
+ * p1.getByte(0);                  // Returns 255.
+ * @endcode
+ */
+int ManagedBuffer::getByte(int position)
+{
+    if (0 <= position && position < ptr->length)
+        return ptr->payload[position];
+    else
+        return MICROBIT_INVALID_PARAMETER;
+} 
+
+/**
+  * Get current ptr, do not decr() it, and set the current instance to an empty buffer.
+  * This is to be used by specialized runtimes which pass BufferData around.
+  */
+BufferData *ManagedBuffer::leakData()
+{
+    BufferData* res = ptr;
+    initEmpty();
+    return res;
+}
+
+
+int ManagedBuffer::fill(uint8_t value, int offset, int length)
+{
+    if (offset < 0 || offset > ptr->length)
+        return MICROBIT_INVALID_PARAMETER;
+    if (length < 0)
+        length = ptr->length;
+    length = min(length, ptr->length - offset);
+
+    memset(ptr->payload + offset, value, length);
+
+    return MICROBIT_OK;
+}
+
+ManagedBuffer ManagedBuffer::slice(int offset, int length) const
+{
+    offset = min(ptr->length, offset);
+    if (length < 0)
+        length = ptr->length;
+    length = min(length, ptr->length - offset);
+    return ManagedBuffer(ptr->payload + offset, length);
+}
+
+void ManagedBuffer::shift(int offset, int start, int len)
+{
+    if (len < 0) len = ptr->length - start;    
+    if (start < 0 || start + len > ptr->length || start + len < start
+        || len == 0 || offset == 0 || offset == INT_MIN) return;
+    if (offset <= -len || offset >= len) {
+        fill(0);
+        return;
+    }
+        
+    uint8_t *data = ptr->payload + start;
+    if (offset < 0) {
+        offset = -offset;
+        memmove(data + offset, data, len - offset);
+        memset(data, 0, offset);
+    } else {
+        len = len - offset;
+        memmove(data, data + offset, len);
+        memset(data + len, 0, offset);
+    }
+}
+
+void ManagedBuffer::rotate(int offset, int start, int len)
+{
+    if (len < 0) len = ptr->length - start;
+    if (start < 0 || start + len > ptr-> length || start + len < start
+        || len == 0 || offset == 0 || offset == INT_MIN) return;
+
+    if (offset < 0)
+        offset += len << 8; // try to make it positive
+    offset %= len;
+    if (offset < 0)
+        offset += len;
+
+    uint8_t *data = ptr->payload + start;
+
+    uint8_t *n_first = data + offset;
+    uint8_t *first = data;
+    uint8_t *next = n_first;
+    uint8_t *last = data + len;
+
+    while (first != next) {
+        uint8_t tmp = *first;
+        *first++ = *next;
+        *next++ = tmp;
+        if (next == last) {
+            next = n_first;
+        } else if (first == n_first) {
+            n_first = next;
+        }
+    }
+}
+
+int ManagedBuffer::writeBuffer(int dstOffset, const ManagedBuffer &src, int srcOffset, int length)
+{
+    if (length < 0)
+        length = src.length();
+
+    if (srcOffset < 0 || dstOffset < 0 || dstOffset > ptr->length)
+        return MICROBIT_INVALID_PARAMETER;
+
+    length = min(src.length() - srcOffset, ptr->length - dstOffset);
+
+    if (length < 0)
+        return MICROBIT_INVALID_PARAMETER;
+
+    if (ptr == src.ptr) {
+        memmove(getBytes() + dstOffset, src.ptr->payload + srcOffset, length);
+    } else {
+        memcpy(getBytes() + dstOffset, src.ptr->payload + srcOffset, length);
+    }
+
+    return MICROBIT_OK;
+}
+
+int ManagedBuffer::writeBytes(int offset, uint8_t *src, int length, bool swapBytes)
+{
+    if (offset < 0 || length < 0 || offset + length > ptr->length)
+        return MICROBIT_INVALID_PARAMETER;
+
+    if (swapBytes) {
+        uint8_t *p = ptr->payload + offset + length;
+        for (int i = 0; i < length; ++i)
+            *--p = src[i];
+    } else {
+        memcpy(ptr->payload + offset, src, length);
+    }
+
+    return MICROBIT_OK;
+}
+
+int ManagedBuffer::readBytes(uint8_t *dst, int offset, int length, bool swapBytes) const
+{
+    if (offset < 0 || length < 0 || offset + length > ptr->length)
+        return MICROBIT_INVALID_PARAMETER;
+
+    if (swapBytes) {
+        uint8_t *p = ptr->payload + offset + length;
+        for (int i = 0; i < length; ++i)
+            dst[i] = *--p;
+    } else {
+        memcpy(dst, ptr->payload + offset, length);
+    }
+
+    return MICROBIT_OK;
+}

libs/core/ManagedBuffer.h

@@ -0,0 +1,257 @@
+#ifndef MICROBIT_MANAGED_BUFFER_H
+#define MICROBIT_MANAGED_BUFFER_H
+
+#include "mbed.h"
+#include "RefCounted.h"
+
+struct BufferData : RefCounted
+{
+    uint16_t        length;             // The length of the payload in bytes
+    uint8_t         payload[0];         // ManagedBuffer data
+};
+
+/**
+  * Class definition for a ManagedBuffer.
+  * A ManagedBuffer holds a series of bytes, used with MicroBitRadio channels and in other places.
+  * n.b. This is a mutable, managed type.
+  */
+class ManagedBuffer
+{
+    BufferData      *ptr;     // Pointer to payload data
+    
+    public:
+
+    /**
+      * Default Constructor. 
+      * Creates an empty ManagedBuffer.  The 'ptr' field in all empty buffers is shared.
+      *
+      * Example:
+      * @code
+      * ManagedBuffer p(); 
+      * @endcode
+      */
+    ManagedBuffer();
+
+    /**
+      * Constructor. 
+      * Creates a new ManagedBuffer of the given size. 
+      *
+      * @param length The length of the buffer to create.
+      *
+      * Example:
+      * @code
+      * ManagedBuffer p(16);         // Creates a ManagedBuffer 16 bytes long.
+      * @endcode
+      */
+    ManagedBuffer(int length);
+
+    /**
+      * Constructor. 
+      * Creates an empty ManagedBuffer of the given size,
+      * and fills it with the data provided.
+      *
+      * @param data The data with which to fill the buffer.
+      * @param length The length of the buffer to create.
+      * 
+      * Example:
+      * @code
+      * uint8_t buf[] = {13,5,2};
+      * ManagedBuffer p(buf, 3);         // Creates a ManagedBuffer 3 bytes long.
+      * @endcode
+      */
+    ManagedBuffer(uint8_t *data, int length);
+
+    /**
+      * Copy Constructor. 
+      * Add ourselves as a reference to an existing ManagedBuffer.
+      * 
+      * @param buffer The ManagedBuffer to reference.
+      *
+      * Example:
+      * @code
+      * ManagedBuffer p();
+      * ManagedBuffer p2(i);        // Refers to the same buffer as p. 
+      * @endcode
+      */
+    ManagedBuffer(const ManagedBuffer &buffer);
+
+    /**
+      * Constructor. 
+      * Create a buffer from a raw BufferData pointer. It will ptr->incr(). This is to be used by specialized runtimes.
+      *
+      * @param p The pointer to use.
+      */    
+    ManagedBuffer(BufferData *p);
+
+    /**
+      * Internal constructor helper.
+      * Configures this ManagedBuffer to refer to the static empty buffer.
+      */
+    void initEmpty();
+
+    /**
+     * Internal constructor-initialiser.
+     *
+     * @param data The data with which to fill the buffer.
+     * @param length The length of the buffer to create.
+     * 
+     */
+    void init(uint8_t *data, int length);
+
+    /**
+      * Destructor. 
+      * Removes buffer resources held by the instance.
+      */
+    ~ManagedBuffer();
+
+    /**
+      * Provide an array containing the buffer data.
+      * @return The contents of this buffer, as an array of bytes.
+      */
+    uint8_t *getBytes()
+    {
+        return ptr->payload;
+    }
+
+    /**
+      * Get current ptr, do not decr() it, and set the current instance to an empty buffer.
+      * This is to be used by specialized runtimes which pass BufferData around.
+      */
+    BufferData *leakData();
+
+    /**
+      * Copy assign operation. 
+      *
+      * Called when one ManagedBuffer is assigned the value of another using the '=' operator.
+      * Decrements our reference count and free up the buffer as necessary.
+      * Then, update our buffer to refer to that of the supplied ManagedBuffer,
+      * and increase its reference count.
+      *
+      * @param p The ManagedBuffer to reference.
+      * 
+      * Example:
+      * @code
+      * uint8_t buf = {13,5,2};
+      * ManagedBuffer p1(16); 
+      * ManagedBuffer p2(buf, 3);        
+      *
+      * p1 = p2;  
+      * @endcode
+      */
+    ManagedBuffer& operator = (const ManagedBuffer& p);
+
+    /**
+     * Array access operation (read). 
+     *
+     * Called when a ManagedBuffer is dereferenced with a [] operation.
+     * Transparently map this through to the underlying payload for elegance of programming.
+     *
+     * Example:
+     * @code
+     * ManagedBuffer p1(16); 
+     * uint8_t data = p1[0];
+     * @endcode
+     */
+    uint8_t operator [] (int i) const
+    {
+        return ptr->payload[i];
+    }
+
+    /**
+     * Array access operation (modify). 
+     *
+     * Called when a ManagedBuffer is dereferenced with a [] operation.
+     * Transparently map this through to the underlying payload for elegance of programming.
+     *
+     * Example:
+     * @code
+     * ManagedBuffer p1(16); 
+     * p1[0] = 42;
+     * @endcode
+     */
+    uint8_t& operator [] (int i)
+    {
+        return ptr->payload[i];
+    }
+
+    /**
+      * Equality operation.
+      *
+      * Called when one ManagedBuffer is tested to be equal to another using the '==' operator.
+      *
+      * @param p The ManagedBuffer to test ourselves against.
+      * @return true if this ManagedBuffer is identical to the one supplied, false otherwise.
+      * 
+      * Example:
+      * @code
+      *
+      * uint8_t buf = {13,5,2};
+      * ManagedBuffer p1(16); 
+      * ManagedBuffer p2(buf, 3);        
+      *
+      * if(p1 == p2)                    // will be true
+      *     uBit.display.scroll("same!");
+      * @endcode
+      */
+    bool operator== (const ManagedBuffer& p);
+    
+    /**
+      * Sets the byte at the given index to value provided.
+      * @param position The index of the byte to change.
+      * @param value The new value of the byte (0-255).
+      * @return MICROBIT_OK, or MICROBIT_INVALID_PARAMETER.
+      *
+      * Example:
+      * @code
+      * ManagedBuffer p1(16); 
+      * p1.setByte(0,255);              // Sets the first byte in the buffer to the value 255.
+      * @endcode
+      */
+    int setByte(int position, uint8_t value);
+
+    /**
+      * Determines the value of the given byte in the buffer.
+      *
+      * @param position The index of the byte to read.
+      * @return The value of the byte at the given position, or MICROBIT_INVALID_PARAMETER.
+      *
+      * Example:
+      * @code
+      * ManagedBuffer p1(16); 
+      * p1.setByte(0,255);              // Sets the first byte in the buffer to the value 255.
+      * p1.getByte(0);                  // Returns 255.
+      * @endcode
+      */
+    int getByte(int position);
+
+    /**
+      * Gets number of bytes in this buffer 
+      * @return The size of the buffer in bytes.
+      * 
+      * Example:
+      * @code
+      * ManagedBuffer p1(16); 
+      * p1.length();                 // Returns 16.
+      * @endcode
+      */
+    int length() const { return ptr->length; }
+
+    int fill(uint8_t value, int offset = 0, int length = -1);
+
+    ManagedBuffer slice(int offset = 0, int length = -1) const;
+
+    void shift(int offset, int start = 0, int length = -1);
+
+    void rotate(int offset, int start = 0, int length = -1);
+
+    int readBytes(uint8_t *dst, int offset, int length, bool swapBytes = false) const;
+
+    int writeBytes(int dstOffset, uint8_t *src, int length, bool swapBytes = false);
+
+    int writeBuffer(int dstOffset, const ManagedBuffer &src, int srcOffset = 0, int length = -1);
+
+    bool isReadOnly() const { return ptr->isReadOnly(); }
+};
+
+#endif
+

libs/core/_locales/core-jsdoc-strings.json

@@ -26,7 +26,7 @@
   "String.substr": "Return substring of the current string.",
   "String.substr|param|length": "number of characters to extract",
   "String.substr|param|start": "first character index; can be negative from counting from the end, eg:0",
-  "basic": "Provides access to basic micro:bit functionality.",
+  "basic": "Provides access to basic micro:bit functionality.\n\nProvides access to basic micro:bit functionality.",
   "basic.clearScreen": "Turn off all LEDs",
   "basic.color": "Converts the color name to a number",
   "basic.forever": "Repeats the code forever in the background. On each iteration, allows other codes to run.",
@@ -238,8 +238,10 @@
   "pins.spiWrite|param|value": "Data to be sent to the SPI slave",
   "serial": "Reading and writing data over a serial connection.",
   "serial.delimiters": "Returns the delimiter corresponding string",
-  "serial.onLineReceived": "Registers an event to be fired when a line has been received",
+  "serial.onDataReceived": "Registers an event to be fired when one of the delimiter is matched.",
+  "serial.onDataReceived|param|delimiters": "the characters to match received characters against.",
   "serial.readLine": "Reads a line of text from the serial port.",
+  "serial.readString": "Reads the buffered received data as a string",
   "serial.readUntil": "Reads a line of text from the serial port and returns the buffer when the delimiter is met.",
   "serial.readUntil|param|delimiter": "text delimiter that separates each text chunk",
   "serial.redirect": "Dynamically configuring the serial instance to use pins other than USBTX and USBRX.",

libs/core/_locales/core-strings.json

@@ -181,7 +181,9 @@
   "pins.spiWrite|block": "spi write %value",
   "pins|block": "pins",
   "serial.delimiters|block": "%del",
+  "serial.onDataReceived|block": "serial|on data received %delimiters=serial_delimiter_conv",
   "serial.readLine|block": "serial|read line",
+  "serial.readString|block": "serial|read string",
   "serial.readUntil|block": "serial|read until %delimiter=serial_delimiter_conv",
   "serial.redirect|block": "serial|redirect to|TX %tx|RX %rx|at baud rate %rate",
   "serial.writeLine|block": "serial|write line %text",

libs/core/basic.cpp

@@ -1,15 +1,15 @@
-#include "ksbit.h"
+#include "pxt.h"
 
 
 /**
  * Provides access to basic micro:bit functionality.
  */
-//% color=#54C9C9 weight=100
+//% color=#54C9C9 weight=100 icon="\uf00a"
 namespace basic {
     /**
     * Sets the color on the build-in LED. Set to 0 to turn off.
     */
-    //% blockId=device_set_led_color block="set led to %color=color_id" icon="\uf00a"
+    //% blockId=device_set_led_color block="set led to %color=color_id"
     //% weight=50
     void setLedColor(int color) {
       if (!color) {
@@ -31,7 +31,7 @@ namespace basic {
      */
     //% help=basic/show-number
     //% weight=96
-    //% blockId=device_show_number block="show|number %number" blockGap=8 icon="\uf1ec"
+    //% blockId=device_show_number block="show|number %number" blockGap=8
     //% async
     //% parts="ledmatrix"
     void showNumber(int value, int interval = 150) { 
@@ -55,7 +55,7 @@ namespace basic {
     //% weight=95 blockGap=8
     //% imageLiteral=1 async
     //% blockId=device_show_leds
-    //% block="show leds" icon="\uf00a"
+    //% block="show leds"
     //% parts="ledmatrix"
     void showLeds(ImageLiteral leds, int interval = 400) {
       uBit.display.print(MicroBitImage(imageBytes(leds)), 0, 0, 0, interval);
@@ -68,7 +68,7 @@ namespace basic {
      */
     //% help=basic/show-string 
     //% weight=87 blockGap=8
-    //% block="show|string %text" icon="\uf031" 
+    //% block="show|string %text" 
     //% async
     //% blockId=device_print_message
     //% parts="ledmatrix"
@@ -91,7 +91,7 @@ namespace basic {
      * Turn off all LEDs
      */
     //% help=basic/clear-screen weight=79
-    //% blockId=device_clear_display block="clear screen" icon="\uf12d"
+    //% blockId=device_clear_display block="clear screen"
     //% parts="ledmatrix"
     void clearScreen() {
       uBit.display.image.clear();
@@ -131,7 +131,7 @@ namespace basic {
      * @param body code to execute
      */
     //% help=basic/forever weight=55 blockGap=8
-    //% blockId=device_forever block="forever" icon="\uf01e"
+    //% blockId=device_forever block="forever"
     void forever(Action a) {
       if (a != 0) {
         incr(a);
@@ -145,7 +145,7 @@ namespace basic {
      */
     //% help=basic/pause weight=54
     //% async block="pause (ms) %pause"
-    //% blockId=device_pause icon="\uf110"
+    //% blockId=device_pause
     void pause(int ms) {
       fiber_sleep(ms);
     }

libs/core/buffer.cpp

@@ -1,4 +1,4 @@
-#include "ksbit.h"
+#include "pxt.h"
 
 // keep in sync with github/pxt/pxtsim/libgeneric.ts
 enum class NumberFormat {

libs/core/control.cpp

@@ -1,4 +1,4 @@
-#include "ksbit.h"
+#include "pxt.h"
 
 /**
  * How to create the event.
@@ -34,17 +34,18 @@ enum EventBusSource {
     MICROBIT_ID_IO_P5_ = MICROBIT_ID_IO_P5,
     MICROBIT_ID_IO_P6_ = MICROBIT_ID_IO_P6,
     MICROBIT_ID_IO_P7_ = MICROBIT_ID_IO_P7,
-    //MICROBIT_ID_IO_P8_ = MICROBIT_ID_IO_P8,
+    MICROBIT_ID_IO_P8_ = MICROBIT_ID_IO_P8,
     MICROBIT_ID_IO_P9_ = MICROBIT_ID_IO_P9,
     MICROBIT_ID_IO_P10_ = MICROBIT_ID_IO_P10,
     MICROBIT_ID_IO_P11_ = MICROBIT_ID_IO_P11,
-    //MICROBIT_ID_IO_P12_ = MICROBIT_ID_IO_P12,
-    //MICROBIT_ID_IO_P13_ = MICROBIT_ID_IO_P13,
-    //MICROBIT_ID_IO_P14_ = MICROBIT_ID_IO_P14,
-    //MICROBIT_ID_IO_P15_ = MICROBIT_ID_IO_P15,
-    //MICROBIT_ID_IO_P16_ = MICROBIT_ID_IO_P16,
+    MICROBIT_ID_IO_P12_ = MICROBIT_ID_IO_P12,
+    MICROBIT_ID_IO_P13_ = MICROBIT_ID_IO_P13,
+    MICROBIT_ID_IO_P14_ = MICROBIT_ID_IO_P14,
+    MICROBIT_ID_IO_P15_ = MICROBIT_ID_IO_P15,
+    MICROBIT_ID_IO_P16_ = MICROBIT_ID_IO_P16,
     MICROBIT_ID_IO_P19_ = MICROBIT_ID_IO_P19,
     MICROBIT_ID_IO_P20_ = MICROBIT_ID_IO_P20,
+    MICROBIT_ID_IO_P21_ = MICROBIT_ID_IO_P21,
     MES_DEVICE_INFO_ID_ = MES_DEVICE_INFO_ID,
     MES_SIGNAL_STRENGTH_ID_ = MES_SIGNAL_STRENGTH_ID,
     MES_DPAD_CONTROLLER_ID_ = MES_DPAD_CONTROLLER_ID,

libs/core/control.ts

@@ -1,7 +1,7 @@
 /**
 * Runtime and event utilities.
 */
-//% weight=1 color="#42495F"
+//% weight=1 color="#42495F" icon="\uf233"
 //% advanced=true
 namespace control {
 

libs/core/core.cpp

@@ -1,4 +1,4 @@
-#include "ksbit.h"
+#include "pxt.h"
 #include <limits.h>
 
 
@@ -21,7 +21,12 @@ namespace String_ {
 
     //%
     int compare(StringData *s, StringData *that) {
-        return strcmp(s->data, that->data);
+      int compareResult = strcmp(s->data, that->data);
+      if (compareResult < 0)
+        return -1;
+      else if (compareResult > 0)
+        return 1;
+      return 0;
     }
 
     //%
@@ -76,7 +81,7 @@ namespace Boolean_ {
     }
 
     //%
-    bool bang(bool v) { return !v; }
+    bool bang(int v) { return v == 0; }
 }
 
 namespace Number_ {
@@ -153,13 +158,19 @@ namespace Array_ {
     //%
     int length(RefCollection *c) { return c->length(); }
     //%
+    void setLength(RefCollection *c, int newLength) { c->setLength(newLength); }    
+    //%
     void push(RefCollection *c, uint32_t x) { c->push(x); }
     //%
+    uint32_t pop(RefCollection *c) { return c->pop(); }    
+    //%
     uint32_t getAt(RefCollection *c, int x) { return c->getAt(x); }
     //%
-    void removeAt(RefCollection *c, int x) { c->removeAt(x); }
+    void setAt(RefCollection *c, int x, uint32_t y) { c->setAt(x, y); }    
     //%
-    void setAt(RefCollection *c, int x, uint32_t y) { c->setAt(x, y); }
+    uint32_t removeAt(RefCollection *c, int x) { return c->removeAt(x); }
+    //%
+    void insertAt(RefCollection *c, int x, uint32_t value) { c->insertAt(x, value); }    
     //%
     int indexOf(RefCollection *c, uint32_t x, int start) { return c->indexOf(x, start); }
     //%

libs/core/dal.d.ts

@@ -79,12 +79,15 @@ declare const enum DAL {
     MICROBIT_BLE_PAIRING_TIMEOUT = 90,
     MICROBIT_BLE_POWER_LEVELS = 8,
     MICROBIT_BLE_MAXIMUM_BONDS = 4,
-    MICROBIT_BLE_EDDYSTONE_URL_ADV_INTERVAL = 400,
+    MICROBIT_BLE_EDDYSTONE_ADV_INTERVAL = 400,
+    MICROBIT_BLE_EDDYSTONE_DEFAULT_POWER = 0xF0,
+    MICROBIT_BLE_DISCONNECT_AFTER_PAIRING_DELAY = 500,
     // built/yt/yotta_modules/microbit-dal/inc/bluetooth/MicroBitButtonService.h
     // built/yt/yotta_modules/microbit-dal/inc/bluetooth/MicroBitDFUService.h
     MICROBIT_DFU_OPCODE_START_DFU = 1,
     MICROBIT_DFU_HISTOGRAM_WIDTH = 5,
     MICROBIT_DFU_HISTOGRAM_HEIGHT = 5,
+    // built/yt/yotta_modules/microbit-dal/inc/bluetooth/MicroBitEddystone.h
     // built/yt/yotta_modules/microbit-dal/inc/bluetooth/MicroBitEventService.h
     // built/yt/yotta_modules/microbit-dal/inc/bluetooth/MicroBitIOPinService.h
     MICROBIT_IO_PIN_SERVICE_PINCOUNT = 19,
@@ -124,7 +127,6 @@ declare const enum DAL {
     MICROBIT_ID_ACCELEROMETER = 4,
     MICROBIT_ID_COMPASS = 5,
     MICROBIT_ID_DISPLAY = 6,
-    MICROBIT_IO_PINS = 20,
     MICROBIT_ID_IO_P0 = 7,
     MICROBIT_ID_IO_P1 = 8,
     MICROBIT_ID_IO_P2 = 9,
@@ -133,11 +135,18 @@ declare const enum DAL {
     MICROBIT_ID_IO_P5 = 12,
     MICROBIT_ID_IO_P6 = 13,
     MICROBIT_ID_IO_P7 = 14,
+    MICROBIT_ID_IO_P8 = 15,
     MICROBIT_ID_IO_P9 = 16,
     MICROBIT_ID_IO_P10 = 17,
     MICROBIT_ID_IO_P11 = 18,
+    MICROBIT_ID_IO_P12 = 19,
+    MICROBIT_ID_IO_P13 = 20,
+    MICROBIT_ID_IO_P14 = 21,
+    MICROBIT_ID_IO_P15 = 22,
+    MICROBIT_ID_IO_P16 = 23,
     MICROBIT_ID_IO_P19 = 24,
     MICROBIT_ID_IO_P20 = 25,
+    MICROBIT_ID_IO_P21 = 50,
     MICROBIT_ID_BUTTON_AB = 26,
     MICROBIT_ID_GESTURE = 27,
     MICROBIT_ID_THERMOMETER = 28,
@@ -145,17 +154,6 @@ declare const enum DAL {
     MICROBIT_ID_RADIO_DATA_READY = 30,
     MICROBIT_ID_MULTIBUTTON_ATTACH = 31,
     MICROBIT_ID_SERIAL = 32,
-    CALLIOPE_ID_IO_P3 = 33,
-    CALLIOPE_ID_IO_P7 = 34,
-    CALLIOPE_ID_IO_P8 = 35,
-    CALLIOPE_ID_IO_P9 = 36,
-    CALLIOPE_ID_IO_P13 = 37,
-    CALLIOPE_ID_IO_P14 = 38,
-    CALLIOPE_ID_IO_P15 = 39,
-    CALLIOPE_ID_IO_P22 = 40,
-    CALLIOPE_ID_IO_P28 = 41,
-    CALLIOPE_ID_IO_P29 = 42,
-    CALLIOPE_ID_IO_P30 = 43,
     MICROBIT_ID_MESSAGE_BUS_LISTENER = 1021,
     MICROBIT_ID_NOTIFY_ONE = 1022,
     MICROBIT_ID_NOTIFY = 1023,
@@ -513,6 +511,30 @@ declare const enum DAL {
     MICROBIT_DISPLAY_ROTATION_90 = 1,
     MICROBIT_DISPLAY_ROTATION_180 = 2,
     MICROBIT_DISPLAY_ROTATION_270 = 3,
+    // built/yt/yotta_modules/microbit-dal/inc/drivers/MicroBitFile.h
+    // built/yt/yotta_modules/microbit-dal/inc/drivers/MicroBitFileSystem.h
+    MBFS_FILENAME_LENGTH = 16,
+    MB_READ = 0x01,
+    MB_WRITE = 0x02,
+    MB_CREAT = 0x04,
+    MB_APPEND = 0x08,
+    MB_SEEK_SET = 0x01,
+    MB_SEEK_END = 0x02,
+    MB_SEEK_CUR = 0x04,
+    MBFS_STATUS_INITIALISED = 0x01,
+    MBFS_UNUSED = 0xFFFF,
+    MBFS_EOF = 0xEFFF,
+    MBFS_DELETED = 0x0000,
+    MBFS_DIRECTORY_ENTRY_FREE = 0x8000,
+    MBFS_DIRECTORY_ENTRY_VALID = 0x4000,
+    MBFS_DIRECTORY_ENTRY_DIRECTORY = 0x2000,
+    MBFS_DIRECTORY_ENTRY_NEW = 0xffff,
+    MBFS_DIRECTORY_ENTRY_DELETED = 0x0000,
+    MBFS_BLOCK_TYPE_FILE = 1,
+    MBFS_BLOCK_TYPE_DIRECTORY = 2,
+    MBFS_BLOCK_TYPE_FILETABLE = 3,
+    // built/yt/yotta_modules/microbit-dal/inc/drivers/MicroBitFlash.h
+    PAGE_SIZE = 1024,
     // built/yt/yotta_modules/microbit-dal/inc/drivers/MicroBitI2C.h
     MICROBIT_I2C_MAX_RETRIES = 9,
     // built/yt/yotta_modules/microbit-dal/inc/drivers/MicroBitIO.h
@@ -558,7 +580,6 @@ declare const enum DAL {
     MICROBIT_PIN_EVT_PULSE_LO = 5,
     PIN_CAPABILITY_DIGITAL = 0x01,
     PIN_CAPABILITY_ANALOG = 0x02,
-    PIN_CAPABILITY_TOUCH = 0x04,
     // built/yt/yotta_modules/microbit-dal/inc/drivers/MicroBitRadio.h
     MICROBIT_RADIO_STATUS_INITIALISED = 0x0001,
     MICROBIT_RADIO_BASE_ADDRESS = 0x75626974,

libs/core/enums.d.ts

@@ -34,10 +34,10 @@ declare namespace basic {
 
 
     declare enum TouchPin {
-    P0 = 7,  // MICROBIT_ID_IO_P0
-    P1 = 8,  // MICROBIT_ID_IO_P1
-    P2 = 9,  // MICROBIT_ID_IO_P2
-    P3 = 40,  // CALLIOPE_ID_IO_P22
+    P0 = 19,  // MICROBIT_ID_IO_P12
+    P1 = 7,  // MICROBIT_ID_IO_P0
+    P2 = 8,  // MICROBIT_ID_IO_P1
+    P3 = 23,  // MICROBIT_ID_IO_P16
     }
 
 
@@ -152,17 +152,18 @@ declare namespace input {
     MICROBIT_ID_IO_P5 = 12,  // MICROBIT_ID_IO_P5
     MICROBIT_ID_IO_P6 = 13,  // MICROBIT_ID_IO_P6
     MICROBIT_ID_IO_P7 = 14,  // MICROBIT_ID_IO_P7
-    //MICROBIT_ID_IO_P8_ = MICROBIT_ID_IO_P8,
+    MICROBIT_ID_IO_P8 = 15,  // MICROBIT_ID_IO_P8
     MICROBIT_ID_IO_P9 = 16,  // MICROBIT_ID_IO_P9
     MICROBIT_ID_IO_P10 = 17,  // MICROBIT_ID_IO_P10
     MICROBIT_ID_IO_P11 = 18,  // MICROBIT_ID_IO_P11
-    //MICROBIT_ID_IO_P12_ = MICROBIT_ID_IO_P12,
-    //MICROBIT_ID_IO_P13_ = MICROBIT_ID_IO_P13,
-    //MICROBIT_ID_IO_P14_ = MICROBIT_ID_IO_P14,
-    //MICROBIT_ID_IO_P15_ = MICROBIT_ID_IO_P15,
-    //MICROBIT_ID_IO_P16_ = MICROBIT_ID_IO_P16,
+    MICROBIT_ID_IO_P12 = 19,  // MICROBIT_ID_IO_P12
+    MICROBIT_ID_IO_P13 = 20,  // MICROBIT_ID_IO_P13
+    MICROBIT_ID_IO_P14 = 21,  // MICROBIT_ID_IO_P14
+    MICROBIT_ID_IO_P15 = 22,  // MICROBIT_ID_IO_P15
+    MICROBIT_ID_IO_P16 = 23,  // MICROBIT_ID_IO_P16
     MICROBIT_ID_IO_P19 = 24,  // MICROBIT_ID_IO_P19
     MICROBIT_ID_IO_P20 = 25,  // MICROBIT_ID_IO_P20
+    MICROBIT_ID_IO_P21 = 50,  // MICROBIT_ID_IO_P21
     MES_DEVICE_INFO_ID = 1103,  // MES_DEVICE_INFO_ID
     MES_SIGNAL_STRENGTH_ID = 1101,  // MES_SIGNAL_STRENGTH_ID
     MES_DPAD_CONTROLLER_ID = 1104,  // MES_DPAD_CONTROLLER_ID
@@ -263,36 +264,33 @@ declare namespace motors {
 
 
     declare enum DigitalPin {
-    P0 = 7,  // MICROBIT_ID_IO_P0
-    P1 = 8,  // MICROBIT_ID_IO_P1
-    P2 = 9,  // MICROBIT_ID_IO_P2
-    P3 = 40,  // CALLIOPE_ID_IO_P22
+    P0 = 19,  // MICROBIT_ID_IO_P12
+    P1 = 7,  // MICROBIT_ID_IO_P0
+    P2 = 8,  // MICROBIT_ID_IO_P1
+    P3 = 23,  // MICROBIT_ID_IO_P16
     C4 = 10,  // MICROBIT_ID_IO_P3
     C5 = 11,  // MICROBIT_ID_IO_P4
     C6 = 17,  // MICROBIT_ID_IO_P10
-    C7 = 34,  // CALLIOPE_ID_IO_P7
-    C8 = 35,  // CALLIOPE_ID_IO_P8
-    C9 = 36,  // CALLIOPE_ID_IO_P9
+    C7 = 20,  // MICROBIT_ID_IO_P13
+    C8 = 21,  // MICROBIT_ID_IO_P14
+    C9 = 22,  // MICROBIT_ID_IO_P15
     C10 = 16,  // MICROBIT_ID_IO_P9
     C11 = 14,  // MICROBIT_ID_IO_P7
     C12 = 13,  // MICROBIT_ID_IO_P6
-    C13 = 37,  // CALLIOPE_ID_IO_P13
-    C14 = 38,  // CALLIOPE_ID_IO_P14
-    C15 = 39,  // CALLIOPE_ID_IO_P15
-    //P16 = MICROBIT_ID_IO_P16,
+    C16 = 9,  // MICROBIT_ID_IO_P2
+    C17 = 15,  // MICROBIT_ID_IO_P8
+    C18 = 25,  // MICROBIT_ID_IO_P20
     C19 = 24,  // MICROBIT_ID_IO_P19
-    C20 = 25,  // MICROBIT_ID_IO_P20
     }
 
 
     declare enum AnalogPin {
-    //P0 = MICROBIT_ID_IO_P0, -- does not work analogue
-    P1 = 8,  // MICROBIT_ID_IO_P1
-    P2 = 9,  // MICROBIT_ID_IO_P2
-    //P3 = CALLIOPE_ID_IO_P22, -- does not work analogue
+    P1 = 7,  // MICROBIT_ID_IO_P0
+    P2 = 8,  // MICROBIT_ID_IO_P1
     C4 = 10,  // MICROBIT_ID_IO_P3
     C5 = 11,  // MICROBIT_ID_IO_P4
     C6 = 17,  // MICROBIT_ID_IO_P10
+    MIC = 50,  // MICROBIT_ID_IO_P21
     }
 
 

libs/core/game.ts

@@ -21,7 +21,7 @@ enum LedSpriteProperty {
 /**
  * A single-LED sprite game engine
  */
-//% color=#008272 weight=32
+//% color=#008272 weight=32 icon="\uf11b"
 //% advanced=true
 namespace game {
     let _score: number = 0;

libs/core/images.cpp

@@ -1,9 +1,9 @@
-#include "ksbit.h"
+#include "pxt.h"
 
 /**
 * Creation, manipulation and display of LED images.
 */
-//% color=#5C2D91 weight=31
+//% color=#5C2D91 weight=31 icon="\uf03e"
 //% advanced=true
 namespace images {
     /**
@@ -61,7 +61,7 @@ namespace ImageMethods {
 
     /**
      * Scrolls an image .
-     * @param frameOffset x offset moved on each animation step, eg: 5, 1, -1
+     * @param frameOffset x offset moved on each animation step, eg: 1, 2, 5
      * @param interval time between each animation step in milli seconds, eg: 200
      */
     //% help=images/show-image weight=79 async blockNamespace=images
@@ -69,10 +69,7 @@ namespace ImageMethods {
     //% parts="ledmatrix"
     void scrollImage(Image id, int frameOffset, int interval) {
       MicroBitImage i(id);
-      if (i.getWidth() <= 5)
-        showImage(id, 0);
-      else
-        uBit.display.animate(i, interval, frameOffset, 0);
+      uBit.display.animate(i, interval, frameOffset, MICROBIT_DISPLAY_WIDTH - 1);
     }
 
 

libs/core/input.cpp

@@ -1,4 +1,4 @@
-#include "ksbit.h"
+#include "pxt.h"
 
 enum class Button {
     A = MICROBIT_ID_BUTTON_A,
@@ -26,10 +26,10 @@ enum class Rotation {
 };
 
 enum class TouchPin {
-    P0 = MICROBIT_ID_IO_P0,
-    P1 = MICROBIT_ID_IO_P1,
-    P2 = MICROBIT_ID_IO_P2,
-    P3 = CALLIOPE_ID_IO_P22
+    P0 = MICROBIT_ID_IO_P12,
+    P1 = MICROBIT_ID_IO_P0,
+    P2 = MICROBIT_ID_IO_P1,
+    P3 = MICROBIT_ID_IO_P16
 };
 
 enum class AcceleratorRange {
@@ -108,7 +108,7 @@ enum class Gesture {
     SixG = MICROBIT_ACCELEROMETER_EVT_6G
 };
 
-//% color=#C90072 weight=99
+//% color=#C90072 weight=99 icon="\uf192"
 namespace input {
     /**
      * Do something when a button (``A``, ``B`` or both ``A+B``) is pressed
@@ -116,7 +116,7 @@ namespace input {
      * @param body TODO
      */
     //% help=input/on-button-pressed weight=85 blockGap=8
-    //% blockId=device_button_event block="on button|%NAME|pressed" icon="\uf192"
+    //% blockId=device_button_event block="on button|%NAME|pressed"
     //% parts="buttonpair"
     void onButtonPressed(Button button, Action body) {
         registerWithDal((int)button, MICROBIT_BUTTON_EVT_CLICK, body);
@@ -127,7 +127,7 @@ namespace input {
      * @param body TODO
      */
     //% help=input/on-gesture weight=84 blockGap=8
-    //% blockId=device_gesture_event block="on |%NAME" icon="\uf135"
+    //% blockId=device_gesture_event block="on |%NAME"
     //% parts="accelerometer"
     void onGesture(Gesture gesture, Action body) {
         if ((int)gesture == MICROBIT_ACCELEROMETER_EVT_3G && uBit.accelerometer.getRange() < 3)
@@ -143,7 +143,7 @@ namespace input {
      * @param body the code to run when the pin is pressed
      */
     //% help=input/on-pin-pressed weight=83
-    //% blockId=device_pin_event block="on pin %NAME|pressed" icon="\uf094"
+    //% blockId=device_pin_event block="on pin %NAME|pressed"
     void onPinPressed(TouchPin name, Action body) {
         auto pin = getPin((int)name);
         if (!pin) return;
@@ -159,7 +159,7 @@ namespace input {
      * @param body the code to run when the pin is released
      */
     //% help=input/on-pin-released weight=6 blockGap=8
-    //% blockId=device_pin_released block="on pin %NAME|released" icon="\uf094"
+    //% blockId=device_pin_released block="on pin %NAME|released"
     //% advanced=true
     void onPinReleased(TouchPin name, Action body) {
         auto pin = getPin((int)name);
@@ -176,7 +176,7 @@ namespace input {
     //% help=input/button-is-pressed weight=60
     //% block="button|%NAME|is pressed"
     //% blockId=device_get_button2
-    //% icon="\uf192" blockGap=8
+    //% blockGap=8
     //% parts="buttonpair"
     bool buttonIsPressed(Button button) {
       if (button == Button::A)
@@ -193,7 +193,7 @@ namespace input {
      * @param name pin used to detect the touch
      */
     //% help=input/pin-is-pressed weight=58
-    //% blockId="device_pin_is_pressed" block="pin %NAME|is pressed" icon="\uf094"
+    //% blockId="device_pin_is_pressed" block="pin %NAME|is pressed"
     //% blockGap=8
     bool pinIsPressed(TouchPin name) {
         auto pin = getPin((int)name);
@@ -211,7 +211,7 @@ namespace input {
      * Get the acceleration value in milli-gravitys (when the board is laying flat with the screen up, x=0, y=0 and z=-1024)
      * @param dimension TODO
      */
-    //% help=input/acceleration weight=58 icon="\uf135"
+    //% help=input/acceleration weight=58
     //% blockId=device_acceleration block="acceleration (mg)|%NAME" blockGap=8
     //% parts="accelerometer"
     int acceleration(Dimension dimension) {
@@ -228,7 +228,7 @@ namespace input {
      * Reads the light level applied to the LED screen in a range from ``0`` (dark) to ``255`` bright.
      */
     //% help=input/light-level weight=57
-    //% blockId=device_get_light_level block="light level" blockGap=8 icon="\uf185"
+    //% blockId=device_get_light_level block="light level" blockGap=8
     //% parts="ledmatrix"
     int lightLevel() {
         return uBit.display.readLightLevel();
@@ -238,7 +238,7 @@ namespace input {
      * Get the current compass heading in degrees.
      */
     //% help=input/compass-heading
-    //% weight=56 icon="\uf14e"
+    //% weight=56
     //% blockId=device_heading block="compass heading (°)" blockGap=8
     //% parts="compass"
     int compassHeading() {
@@ -249,7 +249,7 @@ namespace input {
     /**
      * Gets the temperature in Celsius degrees (°C).
      */
-    //% weight=55 icon="\uf06d"
+    //% weight=55
     //% help=input/temperature
     //% blockId=device_temperature block="temperature (°C)" blockGap=8
     //% parts="thermometer"
@@ -262,7 +262,7 @@ namespace input {
      * @param kind TODO
      */
     //% help=input/rotation weight=52
-    //% blockId=device_get_rotation block="rotation (°)|%NAME" blockGap=8 icon="\uf197"
+    //% blockId=device_get_rotation block="rotation (°)|%NAME" blockGap=8
     //% parts="accelerometer" advanced=true
     int rotation(Rotation kind) {
       switch (kind) {
@@ -277,7 +277,7 @@ namespace input {
      * @param dimension TODO
      */
     //% help=input/magnetic-force weight=51
-    //% blockId=device_get_magnetic_force block="magnetic force (µT)|%NAME" blockGap=8 icon="\uf076"
+    //% blockId=device_get_magnetic_force block="magnetic force (µT)|%NAME" blockGap=8
     //% parts="compass"
     //% advanced=true
     int magneticForce(Dimension dimension) {
@@ -297,7 +297,7 @@ namespace input {
      * Gets the number of milliseconds elapsed since power on.
      */
     //% help=input/running-time weight=50
-    //% blockId=device_get_running_time block="running time (ms)" icon="\uf017"
+    //% blockId=device_get_running_time block="running time (ms)"
     //% advanced=true
     int runningTime() {
         return system_timer_current_time();
@@ -314,7 +314,7 @@ namespace input {
      * @param range a value describe the maximum strengh of acceleration measured
      */
     //% help=input/set-accelerometer-range
-    //% blockId=device_set_accelerometer_range block="set accelerometer|range %range" icon="\uf135"
+    //% blockId=device_set_accelerometer_range block="set accelerometer|range %range"
     //% weight=5
     //% parts="accelerometer"
     //% advanced=true

libs/core/ksbit.h

@@ -1,12 +0,0 @@
-#include "pxt.h"
-#include "ManagedBuffer.h"
-
-using namespace pxt;
-MicroBitPin *getPin(int id);
-typedef ImageData* Image;
-typedef BufferData* Buffer;
-
-namespace pxt {
-  uint32_t programSize();
-  uint32_t afterProgramPage();    
-}

libs/core/led.cpp

@@ -1,4 +1,4 @@
-#include "ksbit.h"
+#include "pxt.h"
 
 enum class DisplayMode_ {
     //% block="black and white"
@@ -8,7 +8,7 @@ enum class DisplayMode_ {
     // TODO DISPLAY_MODE_BLACK_AND_WHITE_LIGHT_SENSE
 };
 
-//% color=#8169E6 weight=35
+//% color=#8169E6 weight=35 icon="\uf205"
 namespace led {
 
     /**
@@ -17,7 +17,7 @@ namespace led {
      * @param y TODO
      */
     //% help=led/plot weight=78
-    //% blockId=device_plot block="plot|x %x|y %y" icon="\uf205" blockGap=8
+    //% blockId=device_plot block="plot|x %x|y %y" blockGap=8
     //% parts="ledmatrix"
     void plot(int x, int y) {
       uBit.display.image.setPixelValue(x, y, 1);
@@ -29,7 +29,7 @@ namespace led {
      * @param y TODO
      */
     //% help=led/unplot weight=77
-    //% blockId=device_unplot block="unplot|x %x|y %y" icon="\uf204" blockGap=8
+    //% blockId=device_unplot block="unplot|x %x|y %y" blockGap=8
     //% parts="ledmatrix"
     void unplot(int x, int y) {
       uBit.display.image.setPixelValue(x, y, 0);
@@ -41,7 +41,7 @@ namespace led {
      * @param y TODO
      */
     //% help=led/point weight=76
-    //% blockId=device_point block="point|x %x|y %y" icon="\uf10c"
+    //% blockId=device_point block="point|x %x|y %y"
     //% parts="ledmatrix"
     bool point(int x, int y) {
       int pix = uBit.display.image.getPixelValue(x, y);
@@ -52,7 +52,7 @@ namespace led {
      * Get the screen brightness from 0 (off) to 255 (full bright).
      */
     //% help=led/brightness weight=60
-    //% blockId=device_get_brightness block="brightness" icon="\uf042" blockGap=8
+    //% blockId=device_get_brightness block="brightness" blockGap=8
     //% parts="ledmatrix"
     //% advanced=true
     int brightness() {
@@ -64,7 +64,7 @@ namespace led {
      * @param value the brightness value, eg:255, 127, 0
      */
     //% help=led/set-brightness weight=59
-    //% blockId=device_set_brightness block="set brightness %value" icon="\uf042"
+    //% blockId=device_set_brightness block="set brightness %value"
     //% parts="ledmatrix"
     //% advanced=true
     void setBrightness(int value) {
@@ -75,7 +75,7 @@ namespace led {
      * Cancels the current animation and clears other pending animations.
      */
     //% weight=50 help=led/stop-animation
-    //% blockId=device_stop_animation block="stop animation" icon="\uf04d"
+    //% blockId=device_stop_animation block="stop animation"
     //% parts="ledmatrix"
     //% advanced=true
     void stopAnimation() {
@@ -95,7 +95,7 @@ namespace led {
     /**
     * Turns on or off the display    
     */
-    //% help=led/enable blockId=device_led_enable icon="\uf04d"
+    //% help=led/enable blockId=device_led_enable
     //% advanced=true parts="ledmatrix"
     void enable(bool on) {
         if (on) uBit.display.enable();

libs/core/motors.cpp

@@ -1,4 +1,4 @@
-#include "ksbit.h"
+#include "pxt.h"
 
 enum MotorCommand {
     //% block=coast
@@ -19,7 +19,7 @@ enum Motor {
 /**
 * Blocks to control the onboard motors
 */
-//% color=#008272 weight=30
+//% color=#008272 weight=30 icon="\uf1b9"
 namespace motors {
     /**
     * Turns on the motor at a certain percent of power. Switches to single motor mode!

libs/core/music.cpp

@@ -1,4 +1,4 @@
-#include "ksbit.h"
+#include "pxt.h"
 
 namespace music {
     /**

libs/core/music.ts

@@ -125,7 +125,7 @@ enum BeatFraction {
 /**
  * Generation of music tones through pin ``P0``.
  */
-//% color=#DF4600 weight=98
+//% color=#DF4600 weight=98 icon="\uf025"
 namespace music {
     let beatsPerMinute: number = 120;
 
@@ -145,7 +145,7 @@ namespace music {
      * @param frequency pitch of the tone to play in Hertz (Hz)
      */
     //% help=music/ring-tone weight=80
-    //% blockId=device_ring block="ring tone (Hz)|%note=device_note" icon="\uf025" blockGap=8
+    //% blockId=device_ring block="ring tone (Hz)|%note=device_note" blockGap=8
     //% parts="speaker" async
     export function ringTone(frequency: number) {
         playTone(frequency, 0);

libs/core/pins.cpp

@@ -1,35 +1,32 @@
-#include "ksbit.h"
+#include "pxt.h"
 
 enum class DigitalPin {
-    P0 = MICROBIT_ID_IO_P0,   // edge connector 0
-    P1 = MICROBIT_ID_IO_P1,   // edge connector 1
-    P2 = MICROBIT_ID_IO_P2,   // edge connector 2
-    P3 = CALLIOPE_ID_IO_P22,  // edge connector 3
-    C4 = MICROBIT_ID_IO_P3,   // LED matrix C1
-    C5 = MICROBIT_ID_IO_P4,   // LED matrix C2
-    C6 = MICROBIT_ID_IO_P10,  // LED matrix C3
-    C7 = CALLIOPE_ID_IO_P7,   // LED matrix C4
-    C8 = CALLIOPE_ID_IO_P8,   // LED matrix C5
-    C9 = CALLIOPE_ID_IO_P9,   // LED matrix C6
-    C10 = MICROBIT_ID_IO_P9,  // LED matrix C7
-    C11 = MICROBIT_ID_IO_P7,  // LED matrix C8
-    C12 = MICROBIT_ID_IO_P6,  // LED matrix C9
-    C13 = CALLIOPE_ID_IO_P13, // LED matrix R1
-    C14 = CALLIOPE_ID_IO_P14, // LED matrix R2
-    C15 = CALLIOPE_ID_IO_P15, // LED matrix R3
-    //P16 = MICROBIT_ID_IO_P16,
-    C19 = MICROBIT_ID_IO_P19, // SCL
-    C20 = MICROBIT_ID_IO_P20  // SDA
+    P0 = MICROBIT_ID_IO_P12,   // edge connector 0
+    P1 = MICROBIT_ID_IO_P0,    // edge connector 1
+    P2 = MICROBIT_ID_IO_P1,    // edge connector 2
+    P3 = MICROBIT_ID_IO_P16,   // edge connector 3
+    C4 = MICROBIT_ID_IO_P3,    // LED matrix C1
+    C5 = MICROBIT_ID_IO_P4,    // LED matrix C2
+    C6 = MICROBIT_ID_IO_P10,   // LED matrix C3
+    C7 = MICROBIT_ID_IO_P13,   // LED matrix C4
+    C8 = MICROBIT_ID_IO_P14,   // LED matrix C5
+    C9 = MICROBIT_ID_IO_P15,   // LED matrix C6
+    C10 = MICROBIT_ID_IO_P9,   // LED matrix C7
+    C11 = MICROBIT_ID_IO_P7,   // LED matrix C8
+    C12 = MICROBIT_ID_IO_P6,   // LED matrix C9
+    C16 = MICROBIT_ID_IO_P2,   // RX
+    C17 = MICROBIT_ID_IO_P8,   // TX
+    C18 = MICROBIT_ID_IO_P20,  // SDA
+    C19 = MICROBIT_ID_IO_P19   // SCL
 };
 
 enum class AnalogPin {
-    //P0 = MICROBIT_ID_IO_P0, -- does not work analogue
-    P1 = MICROBIT_ID_IO_P1,   // edge connector 1
-    P2 = MICROBIT_ID_IO_P2,   // edge connector 2
-    //P3 = CALLIOPE_ID_IO_P22, -- does not work analogue
-    C4 = MICROBIT_ID_IO_P3,
-    C5 = MICROBIT_ID_IO_P4,
-    C6 = MICROBIT_ID_IO_P10,
+    P1 = MICROBIT_ID_IO_P0,   // edge connector 1
+    P2 = MICROBIT_ID_IO_P1,   // edge connector 2
+    C4 = MICROBIT_ID_IO_P3,   // LED matrix C1
+    C5 = MICROBIT_ID_IO_P4,   // LED matrix C2
+    C6 = MICROBIT_ID_IO_P10,  // LED matrix C3
+    MIC = MICROBIT_ID_IO_P21  // microphone
 };
 
 enum class PulseValue {
@@ -56,28 +53,18 @@ MicroBitPin *getPin(int id) {
         case MICROBIT_ID_IO_P5: return &uBit.io.P5;
         case MICROBIT_ID_IO_P6: return &uBit.io.P6;
         case MICROBIT_ID_IO_P7: return &uBit.io.P7;
-        //case MICROBIT_ID_IO_P8: return &uBit.io.P8;
+        case MICROBIT_ID_IO_P8: return &uBit.io.P8;
         case MICROBIT_ID_IO_P9: return &uBit.io.P9;
         case MICROBIT_ID_IO_P10: return &uBit.io.P10;
         case MICROBIT_ID_IO_P11: return &uBit.io.P11;
-        //case MICROBIT_ID_IO_P12: return &uBit.io.P12;
-        //case MICROBIT_ID_IO_P13: return &uBit.io.P13;
-        //case MICROBIT_ID_IO_P14: return &uBit.io.P14;
-        //case MICROBIT_ID_IO_P15: return &uBit.io.P15;
-        //case MICROBIT_ID_IO_P16: return &uBit.io.P16;
+        case MICROBIT_ID_IO_P12: return &uBit.io.P12;
+        case MICROBIT_ID_IO_P13: return &uBit.io.P13;
+        case MICROBIT_ID_IO_P14: return &uBit.io.P14;
+        case MICROBIT_ID_IO_P15: return &uBit.io.P15;
+        case MICROBIT_ID_IO_P16: return &uBit.io.P16;
         case MICROBIT_ID_IO_P19: return &uBit.io.P19;
         case MICROBIT_ID_IO_P20: return &uBit.io.P20;
-        case CALLIOPE_ID_IO_P3: return &uBit.io.CAL_P3;
-        case CALLIOPE_ID_IO_P7: return &uBit.io.CAL_P7;
-        case CALLIOPE_ID_IO_P8: return &uBit.io.CAL_P8;
-        case CALLIOPE_ID_IO_P9: return &uBit.io.CAL_P9;
-        case CALLIOPE_ID_IO_P13: return &uBit.io.CAL_P13;
-        case CALLIOPE_ID_IO_P14: return &uBit.io.CAL_P14;
-        case CALLIOPE_ID_IO_P15: return &uBit.io.CAL_P15;
-        case CALLIOPE_ID_IO_P22: return &uBit.io.CAL_P22;
-        case CALLIOPE_ID_IO_P28: return &uBit.io.CAL_P28;
-        case CALLIOPE_ID_IO_P29: return &uBit.io.CAL_P29;
-        case CALLIOPE_ID_IO_P30: return &uBit.io.CAL_P30;
+        case MICROBIT_ID_IO_P21: return &uBit.io.P21;
         default: return NULL;
     }
 }

libs/core/pins.ts

@@ -1,7 +1,7 @@
 /**
  * Control currents in Pins for analog/digital signals, servos, i2c, ...
  */
-//% color=#A80000 weight=30
+//% color=#A80000 weight=30 icon="\uf140"
 //% advanced=true
 namespace pins {
     /**

libs/core/pxt.cpp

@@ -0,0 +1,748 @@
+#include "pxt.h"
+#include <map>
+
+MicroBit uBit;
+
+namespace pxt {
+    int incr(uint32_t e)
+    {
+      if (e) {
+        if (hasVTable(e))
+          ((RefObject*)e)->ref();
+        else
+          ((RefCounted*)e)->incr();
+      }
+      return e;
+    }
+
+    void decr(uint32_t e)
+    {
+      if (e) {
+        if (hasVTable(e))
+          ((RefObject*)e)->unref();
+        else
+          ((RefCounted*)e)->decr();
+      }
+    }
+
+    Action mkAction(int reflen, int totallen, int startptr)
+    {
+      check(0 <= reflen && reflen <= totallen, ERR_SIZE, 1);
+      check(reflen <= totallen && totallen <= 255, ERR_SIZE, 2);
+      check(bytecode[startptr] == 0xffff, ERR_INVALID_BINARY_HEADER, 3);
+      check(bytecode[startptr + 1] == 0, ERR_INVALID_BINARY_HEADER, 4);
+
+      uint32_t tmp = (uint32_t)&bytecode[startptr];
+
+      if (totallen == 0) {
+        return tmp; // no closure needed
+      }
+
+      void *ptr = ::operator new(sizeof(RefAction) + totallen * sizeof(uint32_t));
+      RefAction *r = new (ptr) RefAction();
+      r->len = totallen;
+      r->reflen = reflen;
+      r->func = (ActionCB)((tmp + 4) | 1);
+      memset(r->fields, 0, r->len * sizeof(uint32_t));
+
+      return (Action)r;
+    }
+
+    uint32_t runAction3(Action a, int arg0, int arg1, int arg2)
+    {
+      if (hasVTable(a))
+        return ((RefAction*)a)->runCore(arg0, arg1, arg2);
+      else {
+        check(*(uint16_t*)a == 0xffff, ERR_INVALID_BINARY_HEADER, 4);
+        return ((ActionCB)((a + 4) | 1))(NULL, arg0, arg1, arg2);
+      }
+    }
+
+    uint32_t runAction2(Action a, int arg0, int arg1)
+    {
+      return runAction3(a, arg0, arg1, 0);
+    }
+
+    uint32_t runAction1(Action a, int arg0)
+    {
+      return runAction3(a, arg0, 0, 0);
+    }
+
+    uint32_t runAction0(Action a)
+    {
+      return runAction3(a, 0, 0, 0);
+    }
+
+    RefRecord* mkClassInstance(int vtableOffset)
+    {
+      VTable *vtable = (VTable*)&bytecode[vtableOffset];
+
+      intcheck(vtable->methods[0] == &RefRecord_destroy, ERR_SIZE, 3);
+      intcheck(vtable->methods[1] == &RefRecord_print, ERR_SIZE, 4);
+
+      void *ptr = ::operator new(vtable->numbytes);
+      RefRecord *r = new (ptr) RefRecord(PXT_VTABLE_TO_INT(vtable));
+      memset(r->fields, 0, vtable->numbytes - sizeof(RefRecord));
+      return r;
+    }
+
+    uint32_t RefRecord::ld(int idx)
+    {
+      //intcheck((reflen == 255 ? 0 : reflen) <= idx && idx < len, ERR_OUT_OF_BOUNDS, 1);
+      return fields[idx];
+    }
+
+    uint32_t RefRecord::ldref(int idx)
+    {
+      //printf("LD %p len=%d reflen=%d idx=%d\n", this, len, reflen, idx);
+      //intcheck(0 <= idx && idx < reflen, ERR_OUT_OF_BOUNDS, 2);
+      uint32_t tmp = fields[idx];
+      incr(tmp);
+      return tmp;
+    }
+
+    void RefRecord::st(int idx, uint32_t v)
+    {
+      //intcheck((reflen == 255 ? 0 : reflen) <= idx && idx < len, ERR_OUT_OF_BOUNDS, 3);
+      fields[idx] = v;
+    }
+
+    void RefRecord::stref(int idx, uint32_t v)
+    {
+      //printf("ST %p len=%d reflen=%d idx=%d\n", this, len, reflen, idx);
+      //intcheck(0 <= idx && idx < reflen, ERR_OUT_OF_BOUNDS, 4);
+      decr(fields[idx]);
+      fields[idx] = v;
+    }
+
+    void RefObject::destroy() {
+      ((RefObjectMethod)getVTable()->methods[0])(this);
+    }
+
+    void RefObject::print() {
+      ((RefObjectMethod)getVTable()->methods[1])(this);
+    }
+
+    void RefRecord_destroy(RefRecord *r) {
+        auto tbl = r->getVTable();
+        uint8_t *refmask = (uint8_t*)&tbl->methods[tbl->userdata & 0xff];
+        int len = (tbl->numbytes >> 2) - 1;
+        for (int i = 0; i < len; ++i) {
+          if (refmask[i]) decr(r->fields[i]);
+          r->fields[i] = 0;
+        }
+        //RefRecord is allocated using placement new
+        r->~RefRecord();
+        ::operator delete(r);
+    }
+
+    void RefRecord_print(RefRecord *r)
+    {
+      printf("RefRecord %p r=%d size=%d bytes\n", r, r->refcnt, r->getVTable()->numbytes);
+    }
+
+    uint32_t Segment::get(uint32_t i)
+    {
+#ifdef DEBUG_BUILD
+      printf("In Segment::get index:%u\n", i);
+      this->print();
+#endif            
+      
+      if (i < length)
+      {
+          return data[i];          
+      }
+      return Segment::DefaultValue;
+    }
+
+    void Segment::set(uint32_t i, uint32_t value) 
+    {
+        if (i < size)
+        {
+          data[i] = value;
+        }
+        else if (i < Segment::MaxSize)
+        {
+          growByMin(i + 1);
+          data[i] = value;
+        }
+        if (length <= i)
+        {
+           length = i + 1; 
+        }        
+
+#ifdef DEBUG_BUILD
+        printf("In Segment::set\n");
+        this->print();
+#endif            
+        
+        return;
+    }      
+
+    uint16_t Segment::growthFactor(uint16_t size)
+    {
+      if (size == 0)
+      {
+        return 4;
+      }
+      if (size < 64)
+      {
+        return size * 2; // Double
+      }
+      if (size < 512)
+      {
+        return size * 5/3; //Grow by 1.66 rate
+      }
+      return size + 256; //Grow by constant rate
+    }
+
+    void Segment::growByMin(uint16_t minSize)
+    {
+      growBy(max(minSize, growthFactor(size)));
+    }
+
+    void Segment::growBy(uint16_t newSize) 
+    {
+#ifdef DEBUG_BUILD
+         printf("growBy: %d\n", newSize);
+         this->print();
+#endif      
+      if (size < newSize)
+      {
+         //this will throw if unable to allocate
+         uint32_t *tmp = (uint32_t*)(::operator new(newSize * sizeof(uint32_t)));
+
+         //Copy existing data
+         if (size)
+         {
+           memcpy(tmp, data, size * sizeof(uint32_t));
+         }
+        //fill the rest with default value
+         memset(tmp + size, Segment::DefaultValue, (newSize - size) * sizeof(uint32_t));
+
+         //free older segment;
+         ::operator delete(data); 
+
+         data = tmp; 
+         size = newSize;
+
+#ifdef DEBUG_BUILD
+         printf("growBy - after reallocation\n");
+         this->print();
+#endif         
+         
+      }
+      //else { no shrinking yet; }
+      return;
+    }
+
+    void Segment::ensure(uint16_t newSize)
+    {
+      if (newSize < size)
+      {
+        return;
+      }
+      growByMin(newSize);
+    }
+
+    void Segment::setLength(uint32_t newLength)
+    {
+      if (newLength > size)
+      {
+        ensure(length);        
+      }
+      length = newLength;
+      return;
+    }
+
+    void Segment::push(uint32_t value) 
+    { 
+      this->set(length, value);
+    }
+    
+    uint32_t Segment::pop() 
+    {
+#ifdef DEBUG_BUILD
+      printf("In Segment::pop\n");
+      this->print();
+#endif            
+      
+      if (length > 0)
+      {
+        uint32_t value = data[length];
+        data[length] = Segment::DefaultValue;
+        --length;
+        return value;
+      }
+      return Segment::DefaultValue;
+    }
+
+    //this function removes an element at index i and shifts the rest of the elements to
+    //left to fill the gap   
+    uint32_t Segment::remove(uint32_t i) 
+    {
+#ifdef DEBUG_BUILD
+      printf("In Segment::remove index:%u\n", i);
+      this->print();
+#endif                  
+      if (i < length)
+      {
+        //value to return
+        uint32_t ret = data[i];
+        if (i + 1 < length)
+        {
+          //Move the rest of the elements to fill in the gap.
+          memmove(data + i, data + i + 1, (length - i - 1) * sizeof(uint32_t));
+        }
+        length--;        
+        data[length] = Segment::DefaultValue;        
+#ifdef DEBUG_BUILD
+        printf("After Segment::remove index:%u\n", i);
+        this->print();
+#endif  
+        return ret;
+      }
+      return Segment::DefaultValue;
+    }
+
+    //this function inserts element value at index i by shifting the rest of the elements right.     
+    void Segment::insert(uint32_t i, uint32_t value) 
+    {
+#ifdef DEBUG_BUILD
+      printf("In Segment::insert index:%u value:%u\n", i, value);
+      this->print();
+#endif                  
+
+      if (i < length)
+      {
+        ensure(length + 1);
+        if (i + 1 < length)
+        {
+          //Move the rest of the elements to fill in the gap.
+          memmove(data + i + 1, data + i, (length - i) * sizeof(uint32_t));
+        }
+
+        data[i] = value;        
+        length++;
+      }
+      else
+      {
+        //This is insert beyond the length, just call set which will adjust the length
+        set(i, value);
+      }
+#ifdef DEBUG_BUILD
+      printf("After Segment::insert index:%u\n", i);
+      this->print();
+#endif                   
+    }
+
+    void Segment::print()
+    {
+      printf("Segment: %x, length: %u, size: %u\n", data, (uint32_t)length, (uint32_t)size);
+      for(uint32_t i = 0; i < size; i++)
+      {
+        printf("%d ",(uint32_t)data[i]);
+      }
+      printf("\n");
+    }
+
+    bool Segment::isValidIndex(uint32_t i)
+    {
+      if (i > length)
+      {
+        return false;
+      }
+      return true;
+    }
+
+    void Segment::destroy()
+    {
+#ifdef DEBUG_BUILD
+      printf("In Segment::destroy\n");
+      this->print();
+#endif          
+      length = size = 0;
+      ::operator delete(data);
+      data = nullptr;
+    }
+
+    void RefCollection::push(uint32_t x) 
+    {
+      if (isRef()) incr(x);
+      head.push(x);
+    }
+
+    uint32_t RefCollection::pop() 
+    {
+      uint32_t ret = head.pop();
+      if (isRef())
+      {
+        incr(ret);  
+      } 
+      return ret;
+    }
+
+    uint32_t RefCollection::getAt(int i) 
+    {
+      uint32_t tmp = head.get(i);
+      if (isRef())
+      {
+        incr(tmp);
+      }
+      return tmp;
+    }
+
+    uint32_t RefCollection::removeAt(int i) 
+    {
+      if (isRef())
+      {
+        decr(head.get(i));
+      } 
+      return head.remove(i);
+    }
+
+    void RefCollection::insertAt(int i, uint32_t value) 
+    {
+      head.insert(i, value);
+      if (isRef())
+      {
+        incr(value);
+      } 
+    }
+
+    void RefCollection::setAt(int i, uint32_t value) 
+    {
+      if (isRef()) 
+      {
+        if (head.isValidIndex((uint32_t)i))
+        {
+          decr(head.get(i));
+        }
+        incr(value);
+      }
+      head.set(i, value);
+    }
+
+    int RefCollection::indexOf(uint32_t x, int start) 
+    {
+      if (isString()) 
+      {
+        StringData *xx = (StringData*)x;
+        uint32_t i = start;
+        while(head.isValidIndex(i))
+        {
+          StringData *ee = (StringData*)head.get(i);
+          if (ee == xx)
+          {
+            //handles ee being null
+            return (int) i;
+          }
+          if (ee && xx->len == ee->len && memcmp(xx->data, ee->data, xx->len) == 0)
+          {
+            return (int)i;
+          }
+          i++;
+        }
+      } 
+      else 
+      {
+        uint32_t i = start;
+        while(head.isValidIndex(i))
+        {
+          if (head.get(i) == x)
+          {
+            return (int)i;
+          }
+          i++;
+        }
+      }
+
+      return -1;
+    }
+
+    int RefCollection::removeElement(uint32_t x) 
+    {
+      int idx = indexOf(x, 0);
+      if (idx >= 0) {
+        removeAt(idx);
+        return 1;
+      }
+      return 0;
+    }
+
+    namespace Coll0 {
+      PXT_VTABLE_BEGIN(RefCollection, 0, 0)
+      PXT_VTABLE_END
+    }
+    namespace Coll1 {
+      PXT_VTABLE_BEGIN(RefCollection, 1, 0)
+      PXT_VTABLE_END
+    }
+    namespace Coll3 {
+      PXT_VTABLE_BEGIN(RefCollection, 3, 0)
+      PXT_VTABLE_END
+    }
+
+    RefCollection::RefCollection(uint16_t flags) : RefObject(0) {
+      switch (flags) {
+        case 0:
+          vtable = PXT_VTABLE_TO_INT(&Coll0::RefCollection_vtable);
+          break;
+        case 1:
+          vtable = PXT_VTABLE_TO_INT(&Coll1::RefCollection_vtable);
+          break;
+        case 3:
+          vtable = PXT_VTABLE_TO_INT(&Coll3::RefCollection_vtable);
+          break;
+        default:
+          error(ERR_SIZE);
+          break;
+      }
+    }
+
+    void RefCollection::destroy()
+    {
+      if (this->isRef())
+      {
+        for(uint32_t i = 0; i < this->head.getLength(); i++)
+        {
+          decr(this->head.get(i));
+        }
+      }
+      this->head.destroy();
+      delete this;
+    }
+
+    void RefCollection::print()
+    {
+      printf("RefCollection %p r=%d flags=%d size=%d\n", this, refcnt, getFlags(), head.getLength());
+      head.print();
+    }
+
+    PXT_VTABLE_CTOR(RefAction) {}
+
+    // fields[] contain captured locals
+    void RefAction::destroy()
+    {
+      for (int i = 0; i < this->reflen; ++i) {
+        decr(fields[i]);
+        fields[i] = 0;
+      }
+      //RefAction is allocated using placement new
+      this->~RefAction();
+      ::operator delete(this);
+    }
+
+    void RefAction::print()
+    {
+      printf("RefAction %p r=%d pc=0x%lx size=%d (%d refs)\n", this, refcnt, (const uint8_t*)func - (const uint8_t*)bytecode, len, reflen);
+    }
+
+    void RefLocal::print()
+    {
+      printf("RefLocal %p r=%d v=%d\n", this, refcnt, v);
+    }
+
+    void RefLocal::destroy()
+    {
+      delete this;
+    }
+
+    PXT_VTABLE_CTOR(RefLocal) {
+      v = 0;
+    }
+
+    PXT_VTABLE_CTOR(RefRefLocal) {
+      v = 0;
+    }
+
+    void RefRefLocal::print()
+    {
+      printf("RefRefLocal %p r=%d v=%p\n", this, refcnt, (void*)v);
+    }
+
+    void RefRefLocal::destroy()
+    {
+      decr(v);
+      delete this;
+    }
+
+    PXT_VTABLE_BEGIN(RefMap, 0, RefMapMarker)
+    PXT_VTABLE_END
+    RefMap::RefMap() : PXT_VTABLE_INIT(RefMap) {}
+
+    void RefMap::destroy() {
+      for (unsigned i = 0; i < data.size(); ++i) {
+        if (data[i].key & 1) {
+          decr(data[i].val);
+        }
+        data[i].val = 0;
+      }
+      data.resize(0);
+      delete this;
+    }
+
+    int RefMap::findIdx(uint32_t key) {
+      for (unsigned i = 0; i < data.size(); ++i) {
+        if (data[i].key >> 1 == key)
+          return i;
+      }
+      return -1;
+    }
+
+    void RefMap::print()
+    {
+      printf("RefMap %p r=%d size=%d\n", this, refcnt, data.size());
+    }
+
+
+#ifdef DEBUG_MEMLEAKS
+  std::set<RefObject*> allptrs;
+  void debugMemLeaks()
+  {
+    printf("LIVE POINTERS:\n");
+    for(std::set<RefObject*>::iterator itr = allptrs.begin();itr!=allptrs.end();itr++)
+    {
+      (*itr)->print();
+    }
+    printf("\n");
+  }
+#else
+  void debugMemLeaks() {}
+#endif
+
+
+    // ---------------------------------------------------------------------------
+    // An adapter for the API expected by the run-time.
+    // ---------------------------------------------------------------------------
+
+    map<pair<int, int>, Action> handlersMap;
+
+    MicroBitEvent lastEvent;
+
+    // We have the invariant that if [dispatchEvent] is registered against the DAL
+    // for a given event, then [handlersMap] contains a valid entry for that
+    // event.
+    void dispatchEvent(MicroBitEvent e) {
+
+      lastEvent = e;
+
+      Action curr = handlersMap[{ e.source, e.value }];
+      if (curr)
+        runAction1(curr, e.value);
+
+      curr = handlersMap[{ e.source, MICROBIT_EVT_ANY }];
+      if (curr)
+        runAction1(curr, e.value);
+    }
+
+    void registerWithDal(int id, int event, Action a) {
+      Action prev = handlersMap[{ id, event }];
+      if (prev)
+        decr(prev);
+      else
+        uBit.messageBus.listen(id, event, dispatchEvent);
+      incr(a);
+      handlersMap[{ id, event }] = a;
+    }
+
+    void fiberDone(void *a)
+    {
+      decr((Action)a);
+      release_fiber();
+    }
+
+
+    void runInBackground(Action a) {
+      if (a != 0) {
+        incr(a);
+        create_fiber((void(*)(void*))runAction0, (void*)a, fiberDone);
+      }
+    }
+
+
+  void error(ERROR code, int subcode)
+  {
+    printf("Error: %d [%d]\n", code, subcode);
+    uBit.panic(42);
+  }
+
+  uint16_t *bytecode;
+  uint32_t *globals;
+  int numGlobals;
+
+  uint32_t *allocate(uint16_t sz)
+  {
+    uint32_t *arr = new uint32_t[sz];
+    memset(arr, 0, sz * 4);
+    return arr;
+  }
+
+  void checkStr(bool cond, const char *msg)
+  {
+    if (!cond) {
+      while (true) {
+        uBit.display.scroll(msg, 100);
+        uBit.sleep(100);
+      }
+    }
+  }
+
+  int templateHash()
+  {
+    return ((int*)bytecode)[4];
+  }
+
+  int programHash()
+  {
+    return ((int*)bytecode)[6];
+  }
+
+  int getNumGlobals()
+  {
+    return bytecode[16];
+  }
+
+  void exec_binary(int32_t *pc)
+  {
+    // XXX re-enable once the calibration code is fixed and [editor/embedded.ts]
+    // properly prepends a call to [internal_main].
+    // ::touch_develop::internal_main();
+
+    // unique group for radio based on source hash
+    // ::touch_develop::micro_bit::radioDefaultGroup = programHash();
+
+    // repeat error 4 times and restart as needed
+    microbit_panic_timeout(4);
+
+    int32_t ver = *pc++;
+    checkStr(ver == 0x4209, ":( Bad runtime version");
+
+    bytecode = *((uint16_t**)pc++);  // the actual bytecode is here
+    globals = allocate(getNumGlobals());
+
+    // just compare the first word
+    checkStr(((uint32_t*)bytecode)[0] == 0x923B8E70 &&
+             templateHash() == *pc,
+             ":( Failed partial flash");
+
+    uint32_t startptr = (uint32_t)bytecode;
+    startptr += 48; // header
+    startptr |= 1; // Thumb state
+
+    ((uint32_t (*)())startptr)();
+
+#ifdef DEBUG_MEMLEAKS
+    pxt::debugMemLeaks();
+#endif
+
+    return;
+  }
+
+  void start()
+  {
+    exec_binary((int32_t*)functionsAndBytecode);
+  }
+}
+
+// vim: ts=2 sw=2 expandtab

libs/core/pxt.h

@@ -0,0 +1,379 @@
+#ifndef __PXT_H
+#define __PXT_H
+
+//#define DEBUG_MEMLEAKS 1
+
+#pragma GCC diagnostic ignored "-Wunused-parameter"
+
+#include "MicroBit.h"
+#include "MicroBitImage.h"
+#include "ManagedString.h"
+#include "ManagedType.h"
+#include "ManagedBuffer.h"
+
+#define printf(...) uBit.serial.printf(__VA_ARGS__)
+// #define printf(...)
+
+#define intcheck(...) check(__VA_ARGS__)
+//#define intcheck(...) do {} while (0)
+
+#include <stdio.h>
+#include <string.h>
+#include <vector>
+#include <stdint.h>
+
+#ifdef DEBUG_MEMLEAKS
+#include <set>
+#endif
+
+extern MicroBit uBit;
+
+namespace pxt {
+  typedef uint32_t Action;
+  typedef uint32_t ImageLiteral;
+
+
+  typedef enum {
+    ERR_INVALID_BINARY_HEADER = 5,
+    ERR_OUT_OF_BOUNDS = 8,
+    ERR_REF_DELETED = 7,
+    ERR_SIZE = 9,
+  } ERROR;
+
+  extern const uint32_t functionsAndBytecode[];
+  extern uint32_t *globals;
+  extern uint16_t *bytecode;
+  class RefRecord;
+
+  // Utility functions
+  extern MicroBitEvent lastEvent;
+  void registerWithDal(int id, int event, Action a);
+  void runInBackground(Action a);
+  uint32_t runAction3(Action a, int arg0, int arg1, int arg2);
+  uint32_t runAction2(Action a, int arg0, int arg1);
+  uint32_t runAction1(Action a, int arg0);
+  uint32_t runAction0(Action a);
+  Action mkAction(int reflen, int totallen, int startptr);
+  void error(ERROR code, int subcode = 0);
+  void exec_binary(uint16_t *pc);
+  void start();
+  void debugMemLeaks();
+  // allocate [sz] words and clear them
+  uint32_t *allocate(uint16_t sz);
+  int templateHash();
+  int programHash();
+  uint32_t programSize();
+  uint32_t afterProgramPage();     
+  int getNumGlobals();
+  RefRecord* mkClassInstance(int vtableOffset);
+
+  // The standard calling convention is:
+  //   - when a pointer is loaded from a local/global/field etc, and incr()ed
+  //     (in other words, its presence on stack counts as a reference)
+  //   - after a function call, all pointers are popped off the stack and decr()ed
+  // This does not apply to the RefRecord and st/ld(ref) methods - they unref()
+  // the RefRecord* this.
+  int incr(uint32_t e);
+  void decr(uint32_t e);
+
+  inline void *ptrOfLiteral(int offset)
+  {
+    return &bytecode[offset];
+  }
+
+  inline ImageData* imageBytes(int offset)
+  {
+    return (ImageData*)(void*)&bytecode[offset];
+  }
+
+  // Checks if object has a VTable, or if its RefCounted* from the runtime.
+  inline bool hasVTable(uint32_t e)
+  {
+    return (*((uint32_t*)e) & 1) == 0;
+  }
+
+  inline void check(int cond, ERROR code, int subcode = 0)
+  {
+    if (!cond) error(code, subcode);
+  }
+
+
+  class RefObject;
+#ifdef DEBUG_MEMLEAKS
+  extern std::set<RefObject*> allptrs;
+#endif
+
+  typedef void (*RefObjectMethod)(RefObject *self);
+  typedef void *PVoid;
+  typedef void **PPVoid;
+
+  const PPVoid RefMapMarker = (PPVoid)(void*)43;
+
+  struct VTable {
+    uint16_t numbytes;  // in the entire object, including the vtable pointer
+    uint16_t userdata;
+    PVoid *ifaceTable;
+    PVoid methods[2]; // we only use up to two methods here; pxt will generate more
+    // refmask sits at &methods[nummethods]
+  };
+
+  const int vtableShift = 2;
+
+  // A base abstract class for ref-counted objects.
+  class RefObject
+  {
+  public:
+    uint16_t refcnt;
+    uint16_t vtable;
+
+    RefObject(uint16_t vt)
+    {
+      refcnt = 2;
+      vtable = vt;
+#ifdef DEBUG_MEMLEAKS
+      allptrs.insert(this);
+#endif
+    }
+
+    inline VTable *getVTable() {
+      return (VTable*)(vtable << vtableShift);
+    }
+
+    void destroy();
+    void print();
+
+    // Call to disable pointer tracking on the current instance (in destructor or some other hack)
+    inline void untrack() {
+#ifdef DEBUG_MEMLEAKS
+      allptrs.erase(this);
+#endif
+    }
+
+    // Increment/decrement the ref-count. Decrementing to zero deletes the current object.
+    inline void ref()
+    {
+      check(refcnt > 0, ERR_REF_DELETED);
+      //printf("INCR "); this->print();
+      refcnt += 2;
+    }
+
+    inline void unref()
+    {
+      //printf("DECR "); this->print();
+      refcnt -= 2;
+      if (refcnt == 0) {
+        destroy();
+      }
+    }
+  };
+
+  class Segment {
+  private:    
+      uint32_t* data;
+      uint16_t length;
+      uint16_t size;
+
+      static const uint16_t MaxSize = 0xFFFF;
+      static const uint32_t DefaultValue = 0x0;
+
+      static uint16_t growthFactor(uint16_t size);      
+      void growByMin(uint16_t minSize);
+      void growBy(uint16_t newSize);
+      void ensure(uint16_t newSize);
+
+  public:
+      Segment() : data (nullptr), length(0), size(0) {};
+
+      uint32_t get(uint32_t i);
+      void set(uint32_t i, uint32_t value);      
+
+      uint32_t getLength() { return length;};
+      void setLength(uint32_t newLength);
+
+      void push(uint32_t value);
+      uint32_t pop();
+
+      uint32_t remove(uint32_t i);
+      void insert(uint32_t i, uint32_t value);
+
+      bool isValidIndex(uint32_t i);
+
+      void destroy();
+
+      void print();
+  };
+
+  // A ref-counted collection of either primitive or ref-counted objects (String, Image,
+  // user-defined record, another collection)
+  class RefCollection
+    : public RefObject
+  {
+  private:
+    Segment head;
+  public:
+    // 1 - collection of refs (need decr)
+    // 2 - collection of strings (in fact we always have 3, never 2 alone)
+    inline uint32_t getFlags() { return getVTable()->userdata; }
+    inline bool isRef() { return getFlags() & 1; }
+    inline bool isString() { return getFlags() & 2; }
+
+    RefCollection(uint16_t f);
+
+    void destroy();
+    void print();
+
+    uint32_t length() { return head.getLength();}
+    void setLength(uint32_t newLength) { head.setLength(newLength); }
+
+    void push(uint32_t x);
+    uint32_t pop();
+    uint32_t getAt(int i);
+    void setAt(int i, uint32_t x);
+    //removes the element at index i and shifts the other elements left
+    uint32_t removeAt(int i);
+    //inserts the element at index i and moves the other elements right.
+    void insertAt(int i, uint32_t x); 
+
+    int indexOf(uint32_t x, int start);
+    int removeElement(uint32_t x);
+  };
+
+  struct MapEntry {
+    uint32_t key;
+    uint32_t val;
+  };
+
+  class RefMap
+    : public RefObject
+  {
+  public:
+    std::vector<MapEntry> data;
+
+    RefMap();
+    void destroy();
+    void print();
+    int findIdx(uint32_t key);
+  };
+
+  // A ref-counted, user-defined JS object.
+  class RefRecord
+    : public RefObject
+  {
+  public:
+    // The object is allocated, so that there is space at the end for the fields.
+    uint32_t fields[];
+
+    RefRecord(uint16_t v) : RefObject(v) {}
+
+    uint32_t ld(int idx);
+    uint32_t ldref(int idx);
+    void st(int idx, uint32_t v);
+    void stref(int idx, uint32_t v);
+  };
+
+  // these are needed when constructing vtables for user-defined classes
+  void RefRecord_destroy(RefRecord *r);
+  void RefRecord_print(RefRecord *r);
+
+  class RefAction;
+  typedef uint32_t (*ActionCB)(uint32_t *captured, uint32_t arg0, uint32_t arg1, uint32_t arg2);
+
+  // Ref-counted function pointer. It's currently always a ()=>void procedure pointer.
+  class RefAction
+    : public RefObject
+  {
+  public:
+    // This is the same as for RefRecord.
+    uint8_t len;
+    uint8_t reflen;
+    ActionCB func; // The function pointer
+    // fields[] contain captured locals
+    uint32_t fields[];
+
+    void destroy();
+    void print();
+
+    RefAction();
+
+    inline void stCore(int idx, uint32_t v)
+    {
+      //printf("ST [%d] = %d ", idx, v); this->print();
+      intcheck(0 <= idx && idx < len, ERR_OUT_OF_BOUNDS, 10);
+      intcheck(fields[idx] == 0, ERR_OUT_OF_BOUNDS, 11); // only one assignment permitted
+      fields[idx] = v;
+    }
+
+    inline uint32_t runCore(int arg0, int arg1, int arg2) // internal; use runAction*() functions
+    {
+      this->ref();
+      uint32_t r = this->func(&this->fields[0], arg0, arg1, arg2);
+      this->unref();
+      return r;
+    }
+  };
+
+  // These two are used to represent locals written from inside inline functions
+  class RefLocal
+    : public RefObject
+  {
+  public:
+    uint32_t v;
+    void destroy();
+    void print();
+    RefLocal();
+  };
+
+  class RefRefLocal
+    : public RefObject
+  {
+  public:
+    uint32_t v;
+    void destroy();
+    void print();
+    RefRefLocal();
+  };
+}
+
+using namespace pxt;
+MicroBitPin *getPin(int id);
+typedef ImageData* Image;
+typedef BufferData* Buffer;
+
+// The ARM Thumb generator in the JavaScript code is parsing
+// the hex file and looks for the magic numbers as present here.
+//
+// Then it fetches function pointer addresses from there.
+  
+#define PXT_SHIMS_BEGIN \
+namespace pxt { \
+  const uint32_t functionsAndBytecode[] __attribute__((aligned(0x20))) = { \
+    0x08010801, 0x42424242, 0x08010801, 0x8de9d83e,
+
+#define PXT_SHIMS_END }; }
+
+#pragma GCC diagnostic ignored "-Wpmf-conversions"
+
+#define PXT_VTABLE_TO_INT(vt)  ((uint32_t)(vt) >> vtableShift)
+#define PXT_VTABLE_BEGIN(classname, flags, iface) \
+const VTable classname ## _vtable \
+  __attribute__((aligned(1 << vtableShift))) \
+  = { \
+  sizeof(classname), \
+  flags, \
+  iface, \
+  { \
+    (void*)&classname::destroy, \
+    (void*)&classname::print,
+
+#define PXT_VTABLE_END } };
+
+#define PXT_VTABLE_INIT(classname) \
+  RefObject(PXT_VTABLE_TO_INT(&classname ## _vtable))
+
+#define PXT_VTABLE_CTOR(classname) \
+  PXT_VTABLE_BEGIN(classname, 0, 0) PXT_VTABLE_END \
+  classname::classname() : PXT_VTABLE_INIT(classname)
+
+#endif
+
+// vim: ts=2 sw=2 expandtab

libs/core/pxt.json

@@ -4,11 +4,14 @@
     "installedVersion": "tsmdvf",
     "files": [
         "README.md",
+        "ManagedBuffer.cpp",
+        "ManagedBuffer.h",
+        "pxt.cpp",
+        "pxt.h",
         "dal.d.ts",
         "enums.d.ts",
         "shims.d.ts",
         "pxt-core.d.ts",
-        "ksbit.h",
         "core.cpp",
         "pxt-helpers.ts",
         "helpers.ts",
@@ -40,8 +43,7 @@
     "public": true,
     "dependencies": {},
     "yotta": {
-        "configIsJustDefaults": true,
-        "config": {
+        "optionalConfig": {
             "microbit-dal": {
                 "bluetooth": {
                     "enabled": 0

libs/core/serial.cpp

@@ -1,4 +1,4 @@
-#include "ksbit.h"
+#include "pxt.h"
 
 enum SerialPin {
     P0 = MICROBIT_ID_IO_P0,
@@ -51,24 +51,27 @@ namespace serial {
     }
 
     /**
-     * Reads a line of text from the serial port.
-     */
-    //% help=serial/read-line
-    //% blockId=serial_read_line block="serial|read line"
-    //% weight=20 blockGap=8
-    StringData* readLine() {
-      return readUntil(ManagedString("\n").leakData());
+    * Reads the buffered received data as a string
+    */
+    //% blockId=serial_read_buffer block="serial|read string"
+    //% weight=18
+    StringData* readString() {
+      int n = uBit.serial.getRxBufferSize();
+      if (n == 0) return ManagedString("").leakData();
+      return ManagedString(uBit.serial.read(n, MicroBitSerialMode::ASYNC)).leakData();
     }
 
     /**
-    * Registers an event to be fired when one of the delimiter is matched
-    * @param delimiters the characters to match received characters against. eg:"\n"
+    * Registers an event to be fired when one of the delimiter is matched.
+    * @param delimiters the characters to match received characters against.
     */
-    // help=serial/on-data-received
-    // weight=18
+    //% help=serial/on-data-received
+    //% weight=18 blockId=serial_on_data_received block="serial|on data received %delimiters=serial_delimiter_conv"
     void onDataReceived(StringData* delimiters, Action body) {
       uBit.serial.eventOn(ManagedString(delimiters));
       registerWithDal(MICROBIT_ID_SERIAL, MICROBIT_SERIAL_EVT_DELIM_MATCH, body);
+      // lazy initialization of serial buffers
+      uBit.serial.read(MicroBitSerialMode::ASYNC);
     }
 
     /**

libs/core/serial.ts

@@ -1,7 +1,7 @@
 /**
  * Reading and writing data over a serial connection.
  */
-//% weight=2 color=#002050
+//% weight=2 color=#002050 icon="\uf287"
 //% advanced=true
 namespace serial {
     /**
@@ -38,20 +38,20 @@ namespace serial {
     }
 
     /**
-    * Registers an event to be fired when a line has been received
-    */
-    // help=serial/on-line-received
-    // blockId=serial_on_line_received block="serial on line received"
-    // weight=21 blockGap=8
-    export function onLineReceived(body: Action): void {
-       // serial.onDataReceived("\n", body);
+     * Reads a line of text from the serial port.
+     */
+    //% help=serial/read-line
+    //% blockId=serial_read_line block="serial|read line"
+    //% weight=20 blockGap=8
+    export function readLine(): string {
+        return serial.readUntil(delimiters(Delimiters.NewLine));
     }
 
     /**
      * Returns the delimiter corresponding string
      */
     //% blockId="serial_delimiter_conv" block="%del"
-    //% weight=1
+    //% weight=1 blockHidden=true
     export function delimiters(del: Delimiters): string {
         // even though it might not look like, this is more
         // (memory) efficient than the C++ implementation, because the

libs/core/shims.d.ts

@@ -4,7 +4,7 @@
     /**
      * Creation, manipulation and display of LED images.
      */
-    //% color=#5C2D91 weight=31
+    //% color=#5C2D91 weight=31 icon="\uf03e"
     //% advanced=true
 declare namespace images {
 
@@ -53,7 +53,7 @@ declare interface Image {
 
     /**
      * Scrolls an image .
-     * @param frameOffset x offset moved on each animation step, eg: 5, 1, -1
+     * @param frameOffset x offset moved on each animation step, eg: 1, 2, 5
      * @param interval time between each animation step in milli seconds, eg: 200
      */
     //% help=images/show-image weight=79 async blockNamespace=images
@@ -126,13 +126,13 @@ declare interface Image {
     /**
      * Provides access to basic micro:bit functionality.
      */
-    //% color=#54C9C9 weight=100
+    //% color=#54C9C9 weight=100 icon="\uf00a"
 declare namespace basic {
 
     /**
      * Sets the color on the build-in LED. Set to 0 to turn off.
      */
-    //% blockId=device_set_led_color block="set led to %color=color_id" icon="\uf00a"
+    //% blockId=device_set_led_color block="set led to %color=color_id"
     //% weight=50 shim=basic::setLedColor
     function setLedColor(color: number): void;
 
@@ -142,7 +142,7 @@ declare namespace basic {
      */
     //% help=basic/show-number
     //% weight=96
-    //% blockId=device_show_number block="show|number %number" blockGap=8 icon="\uf1ec"
+    //% blockId=device_show_number block="show|number %number" blockGap=8
     //% async
     //% parts="ledmatrix" interval.defl=150 shim=basic::showNumber
     function showNumber(value: number, interval?: number): void;
@@ -156,7 +156,7 @@ declare namespace basic {
     //% weight=95 blockGap=8
     //% imageLiteral=1 async
     //% blockId=device_show_leds
-    //% block="show leds" icon="\uf00a"
+    //% block="show leds"
     //% parts="ledmatrix" interval.defl=400 shim=basic::showLeds
     function showLeds(leds: string, interval?: number): void;
 
@@ -167,7 +167,7 @@ declare namespace basic {
      */
     //% help=basic/show-string 
     //% weight=87 blockGap=8
-    //% block="show|string %text" icon="\uf031" 
+    //% block="show|string %text" 
     //% async
     //% blockId=device_print_message
     //% parts="ledmatrix" interval.defl=150 shim=basic::showString
@@ -177,7 +177,7 @@ declare namespace basic {
      * Turn off all LEDs
      */
     //% help=basic/clear-screen weight=79
-    //% blockId=device_clear_display block="clear screen" icon="\uf12d"
+    //% blockId=device_clear_display block="clear screen"
     //% parts="ledmatrix" shim=basic::clearScreen
     function clearScreen(): void;
 
@@ -203,7 +203,7 @@ declare namespace basic {
      * @param body code to execute
      */
     //% help=basic/forever weight=55 blockGap=8
-    //% blockId=device_forever block="forever" icon="\uf01e" shim=basic::forever
+    //% blockId=device_forever block="forever" shim=basic::forever
     function forever(a: () => void): void;
 
     /**
@@ -212,13 +212,13 @@ declare namespace basic {
      */
     //% help=basic/pause weight=54
     //% async block="pause (ms) %pause"
-    //% blockId=device_pause icon="\uf110" shim=basic::pause
+    //% blockId=device_pause shim=basic::pause
     function pause(ms: number): void;
 }
 
 
 
-    //% color=#C90072 weight=99
+    //% color=#C90072 weight=99 icon="\uf192"
 declare namespace input {
 
     /**
@@ -227,7 +227,7 @@ declare namespace input {
      * @param body TODO
      */
     //% help=input/on-button-pressed weight=85 blockGap=8
-    //% blockId=device_button_event block="on button|%NAME|pressed" icon="\uf192"
+    //% blockId=device_button_event block="on button|%NAME|pressed"
     //% parts="buttonpair" shim=input::onButtonPressed
     function onButtonPressed(button: Button, body: () => void): void;
 
@@ -236,7 +236,7 @@ declare namespace input {
      * @param body TODO
      */
     //% help=input/on-gesture weight=84 blockGap=8
-    //% blockId=device_gesture_event block="on |%NAME" icon="\uf135"
+    //% blockId=device_gesture_event block="on |%NAME"
     //% parts="accelerometer" shim=input::onGesture
     function onGesture(gesture: Gesture, body: () => void): void;
 
@@ -246,7 +246,7 @@ declare namespace input {
      * @param body the code to run when the pin is pressed
      */
     //% help=input/on-pin-pressed weight=83
-    //% blockId=device_pin_event block="on pin %NAME|pressed" icon="\uf094" shim=input::onPinPressed
+    //% blockId=device_pin_event block="on pin %NAME|pressed" shim=input::onPinPressed
     function onPinPressed(name: TouchPin, body: () => void): void;
 
     /**
@@ -255,7 +255,7 @@ declare namespace input {
      * @param body the code to run when the pin is released
      */
     //% help=input/on-pin-released weight=6 blockGap=8
-    //% blockId=device_pin_released block="on pin %NAME|released" icon="\uf094"
+    //% blockId=device_pin_released block="on pin %NAME|released"
     //% advanced=true shim=input::onPinReleased
     function onPinReleased(name: TouchPin, body: () => void): void;
 
@@ -265,7 +265,7 @@ declare namespace input {
     //% help=input/button-is-pressed weight=60
     //% block="button|%NAME|is pressed"
     //% blockId=device_get_button2
-    //% icon="\uf192" blockGap=8
+    //% blockGap=8
     //% parts="buttonpair" shim=input::buttonIsPressed
     function buttonIsPressed(button: Button): boolean;
 
@@ -274,7 +274,7 @@ declare namespace input {
      * @param name pin used to detect the touch
      */
     //% help=input/pin-is-pressed weight=58
-    //% blockId="device_pin_is_pressed" block="pin %NAME|is pressed" icon="\uf094"
+    //% blockId="device_pin_is_pressed" block="pin %NAME|is pressed"
     //% blockGap=8 shim=input::pinIsPressed
     function pinIsPressed(name: TouchPin): boolean;
 
@@ -282,7 +282,7 @@ declare namespace input {
      * Get the acceleration value in milli-gravitys (when the board is laying flat with the screen up, x=0, y=0 and z=-1024)
      * @param dimension TODO
      */
-    //% help=input/acceleration weight=58 icon="\uf135"
+    //% help=input/acceleration weight=58
     //% blockId=device_acceleration block="acceleration (mg)|%NAME" blockGap=8
     //% parts="accelerometer" shim=input::acceleration
     function acceleration(dimension: Dimension): number;
@@ -291,7 +291,7 @@ declare namespace input {
      * Reads the light level applied to the LED screen in a range from ``0`` (dark) to ``255`` bright.
      */
     //% help=input/light-level weight=57
-    //% blockId=device_get_light_level block="light level" blockGap=8 icon="\uf185"
+    //% blockId=device_get_light_level block="light level" blockGap=8
     //% parts="ledmatrix" shim=input::lightLevel
     function lightLevel(): number;
 
@@ -299,7 +299,7 @@ declare namespace input {
      * Get the current compass heading in degrees.
      */
     //% help=input/compass-heading
-    //% weight=56 icon="\uf14e"
+    //% weight=56
     //% blockId=device_heading block="compass heading (°)" blockGap=8
     //% parts="compass" shim=input::compassHeading
     function compassHeading(): number;
@@ -307,7 +307,7 @@ declare namespace input {
     /**
      * Gets the temperature in Celsius degrees (°C).
      */
-    //% weight=55 icon="\uf06d"
+    //% weight=55
     //% help=input/temperature
     //% blockId=device_temperature block="temperature (°C)" blockGap=8
     //% parts="thermometer" shim=input::temperature
@@ -318,7 +318,7 @@ declare namespace input {
      * @param kind TODO
      */
     //% help=input/rotation weight=52
-    //% blockId=device_get_rotation block="rotation (°)|%NAME" blockGap=8 icon="\uf197"
+    //% blockId=device_get_rotation block="rotation (°)|%NAME" blockGap=8
     //% parts="accelerometer" advanced=true shim=input::rotation
     function rotation(kind: Rotation): number;
 
@@ -327,7 +327,7 @@ declare namespace input {
      * @param dimension TODO
      */
     //% help=input/magnetic-force weight=51
-    //% blockId=device_get_magnetic_force block="magnetic force (µT)|%NAME" blockGap=8 icon="\uf076"
+    //% blockId=device_get_magnetic_force block="magnetic force (µT)|%NAME" blockGap=8
     //% parts="compass"
     //% advanced=true shim=input::magneticForce
     function magneticForce(dimension: Dimension): number;
@@ -336,7 +336,7 @@ declare namespace input {
      * Gets the number of milliseconds elapsed since power on.
      */
     //% help=input/running-time weight=50
-    //% blockId=device_get_running_time block="running time (ms)" icon="\uf017"
+    //% blockId=device_get_running_time block="running time (ms)"
     //% advanced=true shim=input::runningTime
     function runningTime(): number;
 
@@ -351,7 +351,7 @@ declare namespace input {
      * @param range a value describe the maximum strengh of acceleration measured
      */
     //% help=input/set-accelerometer-range
-    //% blockId=device_set_accelerometer_range block="set accelerometer|range %range" icon="\uf135"
+    //% blockId=device_set_accelerometer_range block="set accelerometer|range %range"
     //% weight=5
     //% parts="accelerometer"
     //% advanced=true shim=input::setAccelerometerRange
@@ -432,7 +432,7 @@ declare namespace control {
 
 
 
-    //% color=#8169E6 weight=35
+    //% color=#8169E6 weight=35 icon="\uf205"
 declare namespace led {
 
     /**
@@ -441,7 +441,7 @@ declare namespace led {
      * @param y TODO
      */
     //% help=led/plot weight=78
-    //% blockId=device_plot block="plot|x %x|y %y" icon="\uf205" blockGap=8
+    //% blockId=device_plot block="plot|x %x|y %y" blockGap=8
     //% parts="ledmatrix" shim=led::plot
     function plot(x: number, y: number): void;
 
@@ -451,7 +451,7 @@ declare namespace led {
      * @param y TODO
      */
     //% help=led/unplot weight=77
-    //% blockId=device_unplot block="unplot|x %x|y %y" icon="\uf204" blockGap=8
+    //% blockId=device_unplot block="unplot|x %x|y %y" blockGap=8
     //% parts="ledmatrix" shim=led::unplot
     function unplot(x: number, y: number): void;
 
@@ -461,7 +461,7 @@ declare namespace led {
      * @param y TODO
      */
     //% help=led/point weight=76
-    //% blockId=device_point block="point|x %x|y %y" icon="\uf10c"
+    //% blockId=device_point block="point|x %x|y %y"
     //% parts="ledmatrix" shim=led::point
     function point(x: number, y: number): boolean;
 
@@ -469,7 +469,7 @@ declare namespace led {
      * Get the screen brightness from 0 (off) to 255 (full bright).
      */
     //% help=led/brightness weight=60
-    //% blockId=device_get_brightness block="brightness" icon="\uf042" blockGap=8
+    //% blockId=device_get_brightness block="brightness" blockGap=8
     //% parts="ledmatrix"
     //% advanced=true shim=led::brightness
     function brightness(): number;
@@ -479,7 +479,7 @@ declare namespace led {
      * @param value the brightness value, eg:255, 127, 0
      */
     //% help=led/set-brightness weight=59
-    //% blockId=device_set_brightness block="set brightness %value" icon="\uf042"
+    //% blockId=device_set_brightness block="set brightness %value"
     //% parts="ledmatrix"
     //% advanced=true shim=led::setBrightness
     function setBrightness(value: number): void;
@@ -488,7 +488,7 @@ declare namespace led {
      * Cancels the current animation and clears other pending animations.
      */
     //% weight=50 help=led/stop-animation
-    //% blockId=device_stop_animation block="stop animation" icon="\uf04d"
+    //% blockId=device_stop_animation block="stop animation"
     //% parts="ledmatrix"
     //% advanced=true shim=led::stopAnimation
     function stopAnimation(): void;
@@ -504,7 +504,7 @@ declare namespace led {
     /**
      * Turns on or off the display    
      */
-    //% help=led/enable blockId=device_led_enable icon="\uf04d"
+    //% help=led/enable blockId=device_led_enable
     //% advanced=true parts="ledmatrix" shim=led::enable
     function enable(on: boolean): void;
 
@@ -520,7 +520,7 @@ declare namespace led {
     /**
      * Blocks to control the onboard motors
      */
-    //% color=#008272 weight=30
+    //% color=#008272 weight=30 icon="\uf1b9"
 declare namespace motors {
 
     /**
@@ -715,12 +715,19 @@ declare namespace serial {
     function readUntil(delimiter: string): string;
 
     /**
-     * Reads a line of text from the serial port.
+     * Reads the buffered received data as a string
      */
-    //% help=serial/read-line
-    //% blockId=serial_read_line block="serial|read line"
-    //% weight=20 blockGap=8 shim=serial::readLine
-    function readLine(): string;
+    //% blockId=serial_read_buffer block="serial|read string"
+    //% weight=18 shim=serial::readString
+    function readString(): string;
+
+    /**
+     * Registers an event to be fired when one of the delimiter is matched.
+     * @param delimiters the characters to match received characters against.
+     */
+    //% help=serial/on-data-received
+    //% weight=18 blockId=serial_on_data_received block="serial|on data received %delimiters=serial_delimiter_conv" shim=serial::onDataReceived
+    function onDataReceived(delimiters: string, body: () => void): void;
 
     /**
      * Sends a piece of text through Serial connection.

libs/radio/radio.ts

@@ -1,7 +1,7 @@
 /**
  * Communicate data using radio packets
  */
-//% color=#E3008C weight=34
+//% color=#E3008C weight=34 icon="\uf012"
 namespace radio {
     export class Packet {
         /**

package.json

@@ -1,7 +1,7 @@
 {
   "name": "pxt-calliope",
-  "version": "0.5.89",
-  "description": "calliope target for PXT",
+  "version": "0.8.4",
+  "description": "Calliope Mini editor for PXT",
   "keywords": [
     "JavaScript",
     "education",
@@ -34,6 +34,6 @@
     "semantic-ui-less": "^2.2.4"
   },
   "dependencies": {
-    "pxt-core": "0.5.75"
+    "pxt-core": "0.11.10"
   }
 }

pxtarget.json

@@ -21,7 +21,7 @@
         "githubPackages": true
     },
     "compile": {
-        "isNative": false,
+        "isNative": true,
         "hasHex": true,
         "deployDrives": "MINI",
         "driveName": "MINI",
@@ -54,7 +54,9 @@
         "mathBlocks": true,
         "loopsBlocks": true,
         "logicBlocks": true,
-        "variablesBlocks": true
+        "variablesBlocks": true,
+        "onStartColor": "#54C9C9",
+        "onStartNamespace": "basic"
     },
     "simulator": {
         "autoRun": true,
@@ -114,7 +116,7 @@
                 "C19": "C_P19",
                 "C20": "C_P20",
                 "EXT_PWR":"EXT_PWR", 
-                "SPKR":"EXT_PWR", 
+                "SPKR":"SPKR",
                 "BTN_A": "BTN_A", 
                 "BTN_B": "BTN_B",
                 "MOTOR1": "M_OUT1",
@@ -166,11 +168,11 @@
     },
     "compileService": {
         "yottaTarget": "bbc-microbit-classic-gcc",
-        "yottaCorePackage": "pxt-calliope-core",
-        "githubCorePackage": "microsoft/pxt-calliope-core",
-        "gittag": "v0.5.16",
-        "serviceId": "calliope"
-    },
+        "yottaCorePackage": "microbit",
+        "githubCorePackage": "calliope-mini/microbit",
+        "gittag": "2.0.0-rc7-calliope-p2",
+        "serviceId": "microbit"
+    },    
     "serial": {
         "manufacturerFilter": "^mbed$",
         "nameFilter": "^mbed Serial Port",
@@ -187,10 +189,14 @@
         "cardLogo": "./static/icons/apple-touch-icon.png",
         "appLogo": "./static/icons/apple-touch-icon.png",
         "homeUrl": "https://calliope.cc/",
-        "embedUrl": "https://calliope.cc/",
+        "embedUrl": "https://mini.pxt.io/",
         "privacyUrl": "https://go.microsoft.com/fwlink/?LinkId=521839",
         "termsOfUseUrl": "https://go.microsoft.com/fwlink/?LinkID=206977",
         "githubUrl": "https://github.com/Microsoft/pxt-calliope",
+        "organization": "Microsoft",
+        "organizationUrl": "https://pxt.io/",
+        "organizationLogo": "./static/Microsoft-logo_rgb_c-gray.png",
+        "organizationWideLogo": "./static/Microsoft-logo_rgb_c-white.png",
         "browserSupport": [
             {
                 "name": "unsupported",
@@ -285,6 +291,17 @@
         ],
         "invertedMenu": true,
         "invertedToolbox": true,
-        "blocklyOptions": { }
+        "monacoToolbox": false,
+        "hasAudio": true,        
+        "simAnimationEnter": "rotate in",
+        "simAnimationExit": "rotate out",
+        "blocklyOptions": { 
+            "grid": {
+                "spacing": 45,
+                "length": 7,
+                "colour": "rgba(189, 195, 199, 0.30)",
+                "snap": false
+            }
+        }
     }
 }

sim/dalboard.ts

@@ -16,7 +16,6 @@ namespace pxsim {
         neopixelState: NeoPixelState;
         rgbLedState: number;
         speakerState: SpeakerState;
-        servosState: MicroServosState;
         fileSystem: FileSystemState;
 
         constructor() {
@@ -42,20 +41,27 @@ namespace pxsim {
                     DAL.MICROBIT_ID_IO_P5,
                     DAL.MICROBIT_ID_IO_P6,
                     DAL.MICROBIT_ID_IO_P7,
-                    0, //DAL.MICROBIT_ID_IO_P8,
+                    DAL.MICROBIT_ID_IO_P8,
                     DAL.MICROBIT_ID_IO_P9,
                     DAL.MICROBIT_ID_IO_P10,
                     DAL.MICROBIT_ID_IO_P11,
-                    0, //DAL.MICROBIT_ID_IO_P12,
-                    0, //DAL.MICROBIT_ID_IO_P13,
-                    0, //DAL.MICROBIT_ID_IO_P14,
-                    0, //DAL.MICROBIT_ID_IO_P15,
-                    0, //DAL.MICROBIT_ID_IO_P16,
+                    DAL.MICROBIT_ID_IO_P12,
+                    DAL.MICROBIT_ID_IO_P13,
+                    DAL.MICROBIT_ID_IO_P14,
+                    DAL.MICROBIT_ID_IO_P15,
+                    DAL.MICROBIT_ID_IO_P16,
                     0,
                     0,
                     DAL.MICROBIT_ID_IO_P19,
-                    DAL.MICROBIT_ID_IO_P20
-                ]
+                    DAL.MICROBIT_ID_IO_P20,
+                    DAL.MICROBIT_ID_IO_P21
+                ],
+                servos: {
+                    "P0": DAL.MICROBIT_ID_IO_P12,
+                    "P1": DAL.MICROBIT_ID_IO_P0,
+                    "P2": DAL.MICROBIT_ID_IO_P1,
+                    "P3": DAL.MICROBIT_ID_IO_P16
+                }
             });
             this.builtinParts["radio"] = this.radioState = new RadioState(runtime);
             this.builtinParts["accelerometer"] = this.accelerometerState = new AccelerometerState(runtime);
@@ -65,12 +71,7 @@ namespace pxsim {
             this.builtinParts["compass"] = this.compassState = new CompassState();
             this.builtinParts["neopixel"] = this.neopixelState = new NeoPixelState();
             this.builtinParts["speaker"] = this.speakerState = new SpeakerState();
-            this.builtinParts["microservo"] = this.servosState = new MicroServosState({
-                "P0": DAL.MICROBIT_ID_IO_P0,
-                "P1": DAL.MICROBIT_ID_IO_P1,
-                "P2": DAL.MICROBIT_ID_IO_P2,
-                "P3": DAL.MICROBIT_ID_IO_P3
-            });
+            this.builtinParts["microservo"] = this.edgeConnectorState;
 
             this.builtinVisuals["buttonpair"] = () => new visuals.ButtonPairView();
             this.builtinVisuals["ledmatrix"] = () => new visuals.LedMatrixView();

sim/instructions.ts

@@ -1,4 +1,4 @@
-/// <reference path="../node_modules/pxt-core/typings/bluebird/bluebird.d.ts"/>
+/// <reference path="../node_modules/pxt-core/typings/globals/bluebird/index.d.ts"/>
 /// <reference path="../node_modules/pxt-core/built/pxtsim.d.ts"/>
 /// <reference path="../node_modules/pxt-core/built/pxtrunner.d.ts"/>
 

sim/state/edgeconnector.ts

@@ -76,8 +76,7 @@ namespace pxsim.pins {
         if (!pin) return;
 
         analogSetPeriod(pinId, 20000);
-        const state = board().servosState.servoState(pinId);
-        state.setAngle(value);
+        pin.servoAngle = Math.max(0, Math.min(180, value));
     }
 
     export function servoSetPulse(pinId: number, micros: number) {

sim/state/ledmatrix.ts

@@ -53,9 +53,9 @@ namespace pxsim {
         }
 
         public shiftRight(cols: number) {
-            for (let x = this.width - 1; x <= 0; --x)
+            for (let x = this.width - 1; x >= 0; --x)
                 for (let y = 0; y < 5; ++y)
-                    this.set(x, y, x > cols ? this.get(x - cols, y) : 0);
+                    this.set(x, y, x >= cols ? this.get(x - cols, y) : 0);
         }
 
         public clear(): void {
@@ -195,11 +195,16 @@ namespace pxsim.ImageMethods {
         board().ledMatrixState.animationQ.enqueue({
             interval: interval,
             frame: () => {
-                //TODO: support right to left.
                 if (off >= leds.width || off < 0) return false;
-                stride > 0 ? display.shiftLeft(stride) : display.shiftRight(-stride);
-                let c = Math.min(stride, leds.width - off);
-                leds.copyTo(off, c, display, 5 - stride)
+                if (stride > 0) {
+                    display.shiftLeft(stride);
+                    const c = Math.min(stride, leds.width - off);
+                    leds.copyTo(off, c, display, 5 - stride)
+                } else {
+                    display.shiftRight(-stride);
+                    const c = Math.min(-stride, leds.width - off);
+                    leds.copyTo(off, c, display, 0)
+                }
                 off += stride;
                 return true;
             },
@@ -223,7 +228,7 @@ namespace pxsim.basic {
             clearScreen();
             pause(interval * 5);
         } else {
-            if (s.length == 1) showLeds(createImageFromString(s + " "), interval * 5)
+            if (s.length == 1) showLeds(createImageFromString(s), 0);
             else ImageMethods.scrollImage(createImageFromString(s + " "), 1, interval);
         }
     }

sim/state/serial.ts

@@ -35,18 +35,14 @@ namespace pxsim.serial {
         board().writeSerial(s);
     }
 
+    export function readUntil(del: string): string {
+        return readString();
+    }
+
     export function readString(): string {
         return board().serialState.readSerial();
     }
 
-    export function readLine(): string {
-        return board().serialState.readSerial();
-    }
-
-    export function readUntil(del: string): string {
-        return readLine();
-    }
-
     export function onDataReceived(delimiters: string, handler: RefAction) {
         let b = board();
         b.bus.listen(DAL.MICROBIT_ID_SERIAL, DAL.MICROBIT_SERIAL_EVT_DELIM_MATCH, handler);

sim/visuals/ledmatrix.ts

@@ -1,4 +1,4 @@
-/// <reference path="../../node_modules/pxt-core/typings/bluebird/bluebird.d.ts"/>
+/// <reference path="../../node_modules/pxt-core/typings/globals/bluebird/index.d.ts"/>
 /// <reference path="../../node_modules/pxt-core/built/pxtsim.d.ts"/>
 
 namespace pxsim.visuals {

theme/site/modules/transition.overrides

@@ -1,3 +1,175 @@
 /*******************************
          Site Overrides
 *******************************/
+
+
+/*--------------
+      Rotate In
+---------------*/
+
+/* Inward */
+.transition.rotate {
+  animation-duration: 0.6s;
+  transition-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
+}
+.transition.rotate.in {
+  animation-name: rotateIn;
+}
+.transition[class*="rotate down left"].in {
+  animation-name: rotateInDownLeft;
+}
+.transition[class*="rotate down right"].in {
+  animation-name: rotateInDownRight;
+}
+.transition[class*="rotate up left"].in {
+  animation-name: rotateInUpLeft;
+}
+.transition[class*="rotate up right"].in {
+  animation-name: rotateInUpRight;
+}
+
+/* Outward */
+.transition.rotate.out {
+  animation-name: rotateOut;
+}
+.transition[class*="rotate down left"].out {
+  animation-name: rotateOutDownLeft;
+}
+.transition[class*="rotate down right"].out {
+  animation-name: rotateOutDownRight;
+}
+.transition[class*="rotate up left"].out {
+  animation-name: rotateOutUpLeft;
+}
+.transition[class*="rotate up right"].out {
+  animation-name: rotateOutUpRight;
+}
+
+/* In */
+@keyframes rotateIn {
+  from {
+    transform-origin: center;
+    transform: rotate3d(0, 0, 1, -200deg);
+    opacity: 0;
+  }
+
+  to {
+    transform-origin: center;
+    transform: none;
+    opacity: 1;
+  }
+}
+@keyframes rotateInDownLeft {
+  from {
+    transform-origin: left bottom;
+    transform: rotate3d(0, 0, 1, -45deg);
+    opacity: 0;
+  }
+
+  to {
+    transform-origin: left bottom;
+    transform: none;
+    opacity: 1;
+  }
+}
+@keyframes rotateInDownRight {
+  from {
+    transform-origin: right bottom;
+    transform: rotate3d(0, 0, 1, 45deg);
+    opacity: 0;
+  }
+
+  to {
+    transform-origin: right bottom;
+    transform: none;
+    opacity: 1;
+  }
+}
+@keyframes rotateInUpLeft {
+  from {
+    transform-origin: left bottom;
+    transform: rotate3d(0, 0, 1, 45deg);
+    opacity: 0;
+  }
+
+  to {
+    transform-origin: left bottom;
+    transform: none;
+    opacity: 1;
+  }
+}
+@keyframes rotateInUpRight {
+  from {
+    transform-origin: right bottom;
+    transform: rotate3d(0, 0, 1, -90deg);
+    opacity: 0;
+  }
+
+  to {
+    transform-origin: right bottom;
+    transform: none;
+    opacity: 1;
+  }
+}
+
+/* Out */
+@keyframes rotateOut {
+  from {
+    transform-origin: center;
+    opacity: 1;
+  }
+
+  to {
+    transform-origin: center;
+    transform: rotate3d(0, 0, 1, 200deg);
+    opacity: 0;
+  }
+}
+@keyframes rotateOutDownLeft {
+  from {
+    transform-origin: left bottom;
+    opacity: 1;
+  }
+
+  to {
+    transform-origin: left bottom;
+    transform: rotate3d(0, 0, 1, 45deg);
+    opacity: 0;
+  }
+}
+@keyframes rotateOutDownRight {
+  from {
+    transform-origin: right bottom;
+    opacity: 1;
+  }
+
+  to {
+    transform-origin: right bottom;
+    transform: rotate3d(0, 0, 1, -45deg);
+    opacity: 0;
+  }
+}
+@keyframes rotateOutUpLeft {
+  from {
+    transform-origin: left bottom;
+    opacity: 1;
+  }
+
+  to {
+    transform-origin: left bottom;
+    transform: rotate3d(0, 0, 1, -45deg);
+    opacity: 0;
+  }
+}
+@keyframes rotateOutUpRight {
+  from {
+    transform-origin: right bottom;
+    opacity: 1;
+  }
+
+  to {
+    transform-origin: right bottom;
+    transform: rotate3d(0, 0, 1, 90deg);
+    opacity: 0;
+  }
+}

theme/style.less

@@ -12,17 +12,23 @@
 /*******************************
     Add your custom CSS here
 *******************************/
+/* not relevant in new UI
 .openproject {
     background: #4ECC60 !important;
-}
+} */
 
-.blocks-menuitem, .javascript-menuitem {
+.blocks-menuitem.active, .javascript-menuitem.active {
     background: #738791 !important;
 }
 
+/* not relevant in new UI
 .help-dropdown-menuitem, .more-dropdown-menuitem {
     background: #424955 !important;
     margin-right:0px !important;
+} */
+
+.huge.download-button i {
+    display:none !important; // otherwise spans 2 lines
 }
 
 .play-button {
@@ -41,30 +47,22 @@
   width: 100%;
 }
 
-
 /*******************************
              Blockly
 *******************************/
 
-.blocklyTreeRow {
-    border-radius:5px;
-}
-
-.blocklyTreeRow:hover {
-    background: @invertedBackground !important;
+div.blocklyTreeRow {
+    border-radius:8px;
 }
 
 /* This removes any padding at the top of the toolbox */
-.blocklyTreeRoot {
+div.blocklyTreeRoot {
     padding: 0px !important;
 }
 
 /* Blockly Text */
-.blocklyTreeLabel {
+div.blocklyTreeLabel {
     font-family: @pageFont !important;
-}
-
-.blocklyTreeLabel {
     font-size:1rem !important;
 }
 
@@ -73,10 +71,12 @@
 }
 
 .blocklyToolboxDiv {
-    /*left:30px !important;*/
     padding:7px;
 }
 
+.organization {
+    top: 1.6em;
+}
 
 /* Mobile */
 @media only screen and (max-width: @largestMobileScreen) {
@@ -87,21 +87,14 @@
 
 /* Tablet */
 @media only screen and (min-width: @tabletBreakpoint) and (max-width: @largestTabletScreen) {
-
 }
 
 /* Small Monitor */
 @media only screen and (min-width: @computerBreakpoint) and (max-width: @largestSmallMonitor) {
-    .blocklyTreeRow {
-        width: 230px;
-    }
 }
 
 /* Large Monitor */
 @media only screen and (min-width: @largeMonitorBreakpoint) {
-    .blocklyTreeRow {
-        width: 230px;
-    }
 }
 
 /*******************************

theme/theme.config

@@ -41,7 +41,7 @@
 /* Collections */
 @breadcrumb : 'default';
 @form       : 'default';
-@grid       : 'default';
+@grid       : 'pxt';
 @menu       : 'pxt';
 @message    : 'default';
 @table      : 'default';

webmanifest.json

@@ -1,5 +1,5 @@
 {
-	"name": "pxt.microbit.org",
+	"name": "mini.pxt.io",
 	"icons": [
 		{
 			"src": "./static/icons/android-chrome-36x36.png",