Suggestions : allow more control from external javascript

[dashiad]

Hello,
I'm working in a small sprite editor (multi-sprite, multilayer) using js.It'd be great if i were able to embed the emulator in the web page, and display the sprite preview directly in the c64.
Maybe, it'd be possible to edit sprites, code, or even debug (given enough support) in the browser, targeting the running emulator!
By trial-and-error i was able the location of the screen memory in the HEAPU8 array (i dont know if the whole ram is mapped in that same chunk), but i was not able to find where the vicII registers are mapped.
Is all this even possible?

[dashiad]

Ok, I've tried to recompile everything, to add the entry points..Problem is..It looks like the last time this was compiled, it used emscripten 1.7
I've compiled it with the latest emscripten version, and got a failed assert in _SDL_UnlockSurface ( assert(!SDL.GL))
Then, i tried to go to the oldest tagged versions of emscripten/clang...And version 1.7 only exists for emscripten, not for the other dependencies.
So i tried with 1.11, just to get the same failed assert (along with undefined symbols while compiling, most of them related to gz and png functions).
Ignoring the assertion, i get lots of texture errors (bindTexture, texParameter).I dont know if they're related to ignoring the assertion...The GL.textures array is empty (maybe because the undefined symbols?)
Please, any help here would be great..

[SuburbanDSP]

Hi Dashiad! How are you doing? I, too, would like to add more interfaces, such as Peek and Poke, and binary read/write for an IDE... This web stuff isn't my forte, but I'm trying. I started updating the wiki. I'm going to try to re-build it.. let me know if you have any suggestions for getting as far as you have here. It's almost two years later, maybe bugs have been fixed?

[dashiad]

Well, yes , i managed to re-transpile vice to js and add the extension points. I'll add the specific versions i used when i get back home and look at the code. My idea was also to build an IDE, but web based..Can you elaborate about your idea? El 5 mar. 2018 3:40 AM, "SuburbanDSP" <notifications@github.com> escribió:

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Hi Dashiad! How are you doing? I, too, would like to add more interfaces, such as Peek and Poke, and binary read/write for an IDE... This web stuff isn't my forte, but I'm trying. I started updating the wiki. I'm going to try to re-build it.. let me know if you have any suggestions for getting as far as you have here. It's almost two years later, maybe bugs have been fixed? — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub <#6 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/ABv1C1OCg1CB055WMnFkVkJwBQxKcbx_ks5tbKW3gaJpZM4IoQMV> .

[SuburbanDSP]

Hi Dashiad,

Yes, I'm interested in the web IDE, too! In particular, I want to be able to do things like you're saying above about the sprite editor, but also with timing and complex routines in graphics modes.

For example, I especially like animating 8x8 char sets algorithmically, so it would be great to see how many cycles are available to modify data. Also, I would like to be able to generate lookup tables in Javascript and poke them directly into the c64 memory. I would also like to be able to store and recall the entire state of the c64 very quickly. It would also be cool to put jpeg conversion tools in Javascript in there.

And I would especially like to make an in-browser music editor that isn't as minimal as current SID editors. Some of the JS SID implementations are pretty nice- but don't output to 6502/6510/c64, just to WebAudio.

So those are my ideas. I don't know how many I can do, but I think if a bunch of us work together, we could at least make some useful in-browser tools that output directly the c64 sim like you are suggesting.

[dashiad]

Here is a screenshot of what i started coding:
http://retroinvaders.com/commodoremania/foro/index.php?action=dlattach;topic=1694.0;attach=2494;image

I've found the compiled js, already supporting peek and poke..I also added support for several monitor operations, to be able to add a debugger.
But, really, i've been diffing the code , and there are quite a few differences, most of them in the vice source, which i got from : http://www.zimmers.net/anonftp/pub/cbm/crossplatform/emulators/VICE/vice-2.4.tar.gz

So, i think it'd be easier to setup if i send you the whole thing, so you can get at least something running, and work from there.
You can download it from here:
https://drive.google.com/open?id=1Np2872u2D_1XjOVUbNxag5BIgiLbdHyf

The base setup i used to recompile this, is ubuntu 15.10 , with SDL2.2.0 .