Date : Sun, 18 May 2014 09:47:16 -0500
From : matt@... (Matt Godbolt)
Subject: JSBeeb
I can confirm I get the same problem in FF! Investigating...thanks!
On Sun, May 18, 2014@... AM, Mark Ashley <mark@...> wrote:
> FWIW I get the 'bd' keycode too, but the key output doesn't appear inside
> jsbeeb in my Firefox 19 or Firefox 29 browsers.
>
>
>
> On Mon, May 19, 2014@... AM, Matt Godbolt <matt@...> wrote:
>>
>> Hey all,
>>
>> Coming in late to this discuss via the flyby CC, so apologies if I'm
>> not quite answering the questions posed!
>>
>> Firstly, the keyboard handling in Javascript is a total mess! There's
>> no way to detect the keyboard layout of the computer and the codes
>> received are not quite physical keys but are something in-between.
>> For most keys it's a straight ASCII value, but then some keys have
>> random weird numbers (like the key 0xbd). As I'm on a US laptop
>> keyboard, the keys are tailored for that. I'm working on some
>> primitive locale-detection and then some different maps for UK and US
>> keyboards.
>>
>> To the original point anyway, the BBC -/= key ought to be the _/-
>> laptop key (directly next to the zero key). If that's not working for
>> you, it seems like I need even more complex mappings :) (it seems my
>> comment's wrong too, will fix that).
>>
>> As Mark says, it's pretty easy to debug these things. If you want to
>> run a local development version of jsbeeb, download and unpack it,
>> then run a local webserver. I use Python's built-in webserver, simply
>> typing "python -mSimpleHTTPServer" from the jsbeeb directory and then
>> visiting localhost:8000.
>>
>> Alternatively if you just want the keycodes, bring up a new web
>> browser, hit ctrl-shift J to get the javascript console up and type:
>>
>> window.onkeydown = function(e){ console.log(e.keyCode.toString(16)); };
>>
>> Then click back into the main window and start pressing keys. That'll
>> give you what I see. For reference I see "bd" for the underscore key
>> on my US keyboard.
>>
>> At the moment I'm working on adding Dropbox and Google Drive support
>> so you can save your disc images in the cloud, but I also have a
>> half-written "help" page about the keyboard mappings. Sounds like I
>> need to rethink that if other keyboards have different values (some
>> kind of reconfigurable setup?)
>>
>> Cheers, Matt :)
>>
>> - matt
>>
>> On Sun, May 18, 2014@... AM, Mark Ashley <mark@...> wrote:
>> > Since the key mapping appears to be physical, it should be the same on
>> > all
>> > laptop/usb keyboards. All the Beeb emulators would be using the same
>> > keycodes.
>> >
>> > The image here:
>> >
>> > http://wallmobi.net/uploads/pictures/technology/36678-bbc-micro-model-b.jpg
>> > has the '-' and the '=' key being the same key. Just next to the 'zero'.
>> >
>> > The mapping from the BeebEm program in userkybd.cpp (full table is at
>> > the
>> > bottom) has that -/= key being '1,7', in jsbeeb the notation is the
>> > reverse
>> > of that so we're looking for 7,1 in the
>> > https://github.com/mattgodbolt/jsbeeb/blob/master/via.js file:
>> >
>> > Line 391: map('\xbd', 7, 1); // '_' / '=' mapped to underscore
>> >
>> > so that underscore mapping appears to be wrong? It should be minus and
>> > equals. It's a moot point anyway as it's (apparently) not triggering an
>> > event and inserting a key, nothing happens on screen when you press it!
>> >
>> > To debug it you'd need to download the git code and run it on a port per
>> > the
>> > instructions. Then do mapping debug prints to show what row/col/assumed
>> > key
>> > was pressed. I'm tired and drunk right now so better to CC Matt himself
>> > on
>> > this and ask what's happening :) All yours, Matt.
>> >
>> > Whilst on the topic, the mapping for the \ and | key is always giving a
>> > @,
>> > for unshifted and shifted.
>> >
>> > ta,
>> > Mark.
>> >
>> >
>> >
>> > Beebem keymapping table:
>> >
>> > Download at: http://beebem-unix.bbcmicro.com/download.html
>> > File beebem-0.0.13.tar.gz --> userkybd.cpp
>> >
>> > // Row,Col Default values set to transTable1
>> > //--int UserKeymap[256][2]={
>> > //-- 0,0, 0,0, 0,0, 0,0, // 0
>> > //-- 0,0, 0,0, 0,0, 0,0, // 4
>> > //-- 5,9, 6,0, 0,0, 0,0, // 8 [BS][TAB]..
>> > //-- 0,0, 4,9, 0,0, 0,0, // 12 .RET..
>> > //-- 0,0, 0,1, 0,0, -2,-2, // 16 .CTRL.BREAK
>> > //-- 4,0, 0,0, 0,0, 0,0, // 20 CAPS...
>> > //-- 0,0, 0,0, 0,0, 7,0, // 24 ...ESC
>> > //-- 0,0, 0,0, 0,0, 0,0, // 28
>> > //-- 6,2, 0,0, 0,0, 6,9, // 32 SPACE..[End]
>> > //-- 0,0, 1,9, 3,9, 7,9, // 36 .[Left][Up][Right]
>> > //-- 2,9, 0,0, 0,0, -3,-3, // 40 [Down]...
>> > //-- 0,0, 0,0, 5,9, 0,0, // 44 ..[DEL].
>> > //-- 2,7, 3,0, 3,1, 1,1, // 48 0123
>> > //-- 1,2, 1,3, 3,4, 2,4, // 52 4567
>> > //-- 1,5, 2,6, 0,0, 0,0, // 56 89
>> > //-- 0,0, 0,0, 0,0, 0,0, // 60
>> > //-- 0,0, 4,1, 6,4, 5,2, // 64.. ABC
>> > //-- 3,2, 2,2, 4,3, 5,3, // 68 DEFG
>> > //-- 5,4, 2,5, 4,5, 4,6, // 72 HIJK
>> > //-- 5,6, 6,5, 5,5, 3,6, // 76 LMNO
>> > //-- 3,7, 1,0, 3,3, 5,1, // 80 PQRS
>> > //-- 2,3, 3,5, 6,3, 2,1, // 84 TUVW
>> > //-- 4,2, 4,4, 6,1, 0,0, // 88 XYZ
>> > //-- 0,0, 6,2, 0,0, 0,0, // 92 . SPACE ..
>> > //-- 0,0, 0,0, 0,0, 0,0, // 96
>> > //-- 0,0, 0,0, 0,0, 0,0, // 100
>> > //-- 0,0, 0,0, 0,0, -4,0, // 104 Keypad+
>> > //-- 0,0, -4,1, 0,0, 0,0, // 108 Keypad-
>> > //-- 7,1, 7,2, 7,3, 1,4, // 112 F1 F2 F3 F4
>> > //-- 7,4, 7,5, 1,6, 7,6, // 116 F5 F6 F7 F8
>> > //-- 7,7, 2,0, 2,0, -2,-2, // 120 F9 F10 F11 F12
>> > //-- 0,0, 0,0, 0,0, 0,0, // 124
>> > //-- 0,0, 0,0, 0,0, 0,0, // 128
>> > //-- 0,0, 0,0, 0,0, 0,0, // 132
>> > //-- 0,0, 0,0, 0,0, 0,0, // 136
>> > //-- 0,0, 0,0, 0,0, 0,0, // 140
>> > //-- 0,0, 0,0, 0,0, 0,0, // 144
>> > //-- 0,0, 0,0, 0,0, 0,0, // 148
>> > //-- 0,0, 0,0, 0,0, 0,0, // 152
>> > //-- 0,0, 0,0, 0,0, 0,0, // 156
>> > //-- 0,0, 0,0, 0,0, 0,0, // 160
>> > //-- 0,0, 0,0, 0,0, 0,0, // 164
>> > //-- 0,0, 0,0, 0,0, 0,0, // 168
>> > //-- 0,0, 0,0, 0,0, 0,0, // 172
>> > //-- 0,0, 0,0, 0,0, 0,0, // 176
>> > //-- 0,0, 0,0, 0,0, 0,0, // 180
>> > //-- 0,0, 0,0, 5,7, 1,8, // 184 ..;
>> > //-- 6,6, 1,7, 6,7, 6,8, // 188 ,-./
>> > //-- 4,8, 0,0, 0,0, 0,0, // 192 @ ...
>> > //-- 0,0, 0,0, 0,0, 0,0, // 196
>> > //-- 0,0, 0,0, 0,0, 0,0, // 200
>> > //-- 0,0, 0,0, 0,0, 0,0, // 204
>> > //-- 0,0, 0,0, 0,0, 0,0, // 208
>> > //-- 0,0, 0,0, 0,0, 0,0, // 212
>> > //-- 0,0, 0,0, 0,0, 3,8, // 216 ...[
>> > //-- 7,8, 5,8, 2,8, 4,7, // 220 \]#`
>> > //-- 0,0, 0,0, 0,0, 0,0, // 224
>> > //-- 0,0, 0,0, 0,0, 0,0, // 228
>> > //-- 0,0, 0,0, 0,0, 0,0, // 232
>> > //-- 0,0, 0,0, 0,0, 0,0,
>> > //-- 0,0, 0,0, 0,0, 0,0,
>> > //-- 0,0, 0,0, 0,0, 0,0,
>> > //-- 0,0, 0,0, 0,0, 0,0,
>> > //-- 0,0, 0,0, 0,0, 0,0
>> > //--};
>> >
>> >
>> > On Sun, May 18, 2014@... PM, Alan Williams <ajw@...>
>> > wrote:
>> >>
>> >> Has anybody found the minus key on a US ascii keyboard?
>> >> Alan
>> >>
>> >>
>> >> -----Original Message-----
>> >> From: bbc-micro-bounces+ajw=bigblue.net.au@...
>> >> [mailto:bbc-micro-bounces+ajw=bigblue.net.au@...] On
>> >> Behalf
>> >> Of John Kortink
>> >> Sent: Friday, 16 May 2014 6:34 AM
>> >> To: bbc-micro@...
>> >> Subject: Re: [BBC-Micro] JSBeeb
>> >>
>> >>
>> >> On Thu, 15 May 2014 20:36:01 +0100, Jason Flynn G7OCD
>> >> <flynnjs@...>
>> >> wrote:
>> >>
>> >> >On 15/05/2014 14:31, John Kortink wrote:
>> >> >> I stumbled on this a while back. It's quite amazing how you can do
>> >> >> this nowadays in a mere script language, and still get the required
>> >> >> speed.
>> >> >
>> >> >What amazes me more is:
>> >> >http://s-macke.github.io/jor1k/
>> >>
>> >> Yikes.
>> >>
>> >> As a machine, it's a little short on memory and clock speed though. ;-)
>> >>
>> >> John Kortink
--
Matt