wasm: Add link to deployed WASM simulator in the README

Add link to [pre-built WASM simulator](https://c3d.github.io/db48x)
to make it easy for someone to actually try the simulator.

Fixes: #994

Signed-off-by: Christophe de Dinechin <christophe@dinechin.org>

README.md

@@ -10,7 +10,8 @@ The project in this repository is presently targeting the
 [DM32](https://www.swissmicros.com/product/dm42) calculators. It leverages their
 built-in software platform, known as
 [DMCP](https://technical.swissmicros.com/dmcp/doc/DMCP-ifc-html/). There is also
-a simulator that is tested on macOS or Linux.
+a simulator that is tested on macOS or Linux, and you can even
+[try it in your browser](http://c3d.github.com/db48x)
 
 In the long-term, the vision is to be able to port DB48X on a number of
 [different physical calculator platforms](https://www.youtube.com/watch?v=34pPycq8ia8),

doc/0-Overview.md

@@ -10,6 +10,7 @@ language with its rich set of data types and built-in functions.
 This project is presently targeting the **SwissMicro DM42 calculator**
 and leveraging its built-in software platform, known as **DMCP**. This is
 presumably the calculator you are currently running this software on.
+You can also [try it in your browser](http://48calc.org).
 
 ## Table of contents
 

help/db48x.md

@@ -10,6 +10,7 @@ language with its rich set of data types and built-in functions.
 This project is presently targeting the **SwissMicro DM42 calculator**
 and leveraging its built-in software platform, known as **DMCP**. This is
 presumably the calculator you are currently running this software on.
+You can also [try it in your browser](http://48calc.org).
 
 ## Table of contents
 
@@ -8630,4 +8631,3 @@ Create a backup on a remote machine
 
 ## USBRESTORE
 Restore a backup from a remote machine
-

help/db50x.md

@@ -10,6 +10,7 @@ language with its rich set of data types and built-in functions.
 This project is presently targeting the **SwissMicro DM32 calculator**
 and leveraging its built-in software platform, known as **DMCP**. This is
 presumably the calculator you are currently running this software on.
+You can also [try it in your browser](http://48calc.org).
 
 ## Table of contents
 
@@ -8630,4 +8631,3 @@ Create a backup on a remote machine
 
 ## USBRESTORE
 Restore a backup from a remote machine
-

src/tests.cc

@@ -6342,13 +6342,13 @@ void tests::online_help()
         .test(BSP).noerror()
         .image_noheader("help-page6");
     step("Next link with F5")
-        .test(F2, F3, F3, F5, ENTER).noerror()
+        .test(F3, UP, F4, F5, ENTER).noerror()
         .image_noheader("help-keyboard");
     step("Back with F6")
         .test(F6).noerror()
         .image_noheader("help-page7");
     step("Previous topic with F4")
-        .test(F4).noerror()
+        .test(UP, F4).noerror()
         .image_noheader("help-page8");
     step("Select topic with ENTER")
         .test(LENGTHY(200), ENTER).noerror()