Daroou2

(NOTE: this video had been removed by YouTube, and I've since re-added it, so ignore the upload date)

Tonight, we finally fix Bedlam the right way by advancing the VIA when the CPU reads/writes. T...

In part 3 of the refactoring effort, I finally get to the physical renaming and moving of source files to their new locations, separated by logical module.

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Tonight, we continue the refactoring we started last stream, moving SyncProtocol entirely in Debugger, and splitting out emulator core stuff in main.cpp into a new Emulator class. (Sorry for the lo...

After a 6 month hiatus, I'm back to streaming! Tonight's episode was mainly playing catch-up, talking about what I've been up to for the past half year, and finally some actual programming :) It's ...

We continue our quest to fix the Bedlam bug correctly, and this time we actually figure out _why_ the problem occurs... we just don't know how to fix it yet.

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After going over the fix for Spike, we go back to fixing Bedlam... again, since the Spike fix breaks Bedlam! The fun never ends :)

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After a quick linux fix, we continue our quest to fix the platforms not rendering properly in Spike!

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Tonight we wrap up sound support in Vectrexy!

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Tonight, we refactor PSG so that we can more easily add ImGui controls to manipulate the audio channels that will (hopefully) help us track down the remaining audio glitches.

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On tonight's stream, we focus on fixing the issues with digitized speech that we started on last stream. We do this by changing the way we sample audio from a push model to more of a pull model, wi...

Tonight, after clearing a few items off the todo list, we focus on implementing digitized speech support for games like Spike.

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On tonight's stream, I implement the volume envelope generator of the sound chip! Definitely more challenging than the previous chips, but in the end, I finally seem to have got it working.

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Another productive evening! This time, we implement the noise channel, which is used for explosions, and screechy afterburner effects :)

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Tonight, we finally get some sound out of the sound card! Moving forward, slowly but surely!

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(NOTE: the stream ends abruptly because I thought OBS had stopped streaming.)

Tonight we continue implementing audio support into Vectrexy. This time, we connect the sound chip to the audio driver...

Tonight we continue working on sound, fixing square wave generator timing, modeling mixer and amplitude control, and starting to implement channel sampling. Next up, we'll try to get these samples ...

Tonight we continue working on implementing sound support in Vectrexy, focusing on implementing the square wave generators. Next time, we'll try to actually hear these square waves!

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Tonight, we continue working implementing sound in Vectrexy, spending a good chunk of time reading documents and schematics, and starting to write some basic code to model the AY-3-8912 PSG.

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On tonight's stream, we finally get started on audio! For tonight, that consisted of mainly integrating some of the SDL audio code I wrote in my NES emulator. Exciting stuff!

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Tonight, we implement "shell execute" on Linux, allowing us to open the default browser and editor when opening a URL and text file respectively. With this done, we've pretty much wrapped up our Li...

On tonight's stream, we work on setting focus on both the main SDL window and the console window.

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(NOTE: the audio echo only lasts 15 minutes at the start of the stream. Sorry about that!)
We continue our Linux porting quest on tonight's stream, implementing Ctrl+C handling as well as adding co...

Moar linux! Tonight, we clean up some more Open File dialog code, then tackle get sdl-net to build using vcpkg. Along the way, we even open two separate pull requests!

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Tonight, we continue working on the Linux build, spending most of our time implement the "Open File Dialog" functionality using GTK2.

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On tonight's stream, we work on porting Vectrexy to Linux!

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Tonight, we bang out a few more UX changes to make the emulator that much more usable.

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After going over the many UX changes I've been working on since last stream, we spend the rest of the stream improving the way the "open rom" dialog selects its initial directory.

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On tonight's stream, we start working on improving the user experience of Vectrexy in preparation for "pre-release". We focus on hiding the ImGui debug window by default, as well as improving how t...

A more relaxed stream, tonight we tweaked the rendering code a little, looked into CI solutions, and capped the evening with a little libpng replacement :)

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Tonight we explore OpenGL's debug callback API, and along the way, convert the emulator to 64-bit to see if we can get better call stacks.

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This is part 2 of tonight's stream, so make sure to watch part 1 first!

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Tonight, after wrapping up our changes for resolution independent rendering, we take a look at rendering performance. Note: I had to cut the stream in the middle, so don't miss part 2!

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On tonight's stream, we finally hone in on the missing pixels issue and implement a fix that works, getting us that much closer to resolution independent rendering!

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Tonight we continue tackling resolution independent line drawing. Although we still have a couple of issues, we're definitely getting closer!

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On tonight's stream, we return to rendering to investigate why line drawing isn't working as expected at different resolutions. Unfortunately, the stream gets cut short due to a power outage!

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On tonight's stream, we finally fix Polar Rescue, which means we can now play all the commercial games (minus light-pen and 3D imager) in Vectrexy! We also implement a super useful debugger feature...

On tonight's stream, we tackle a couple more roms that don't work in Vectrexy by implementing more interrupt stuff... only to discover that these roms are probably bad rips or just invalid! Still, ...

Tonight we clean up and refactor the code we wrote last stream, splitting out the screen-specific code from the VIA.

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Tonight we tackled getting Clean Sweep to work, which was quite the challenge! Thanks to Malban's wonderful blog (http://malban.de/vectrex-emulators-why-we-hate-cleansweep), we learned what analog ...

On tonight's stream, we continued our quest to fix the "new game after game over not working" bug in Bedlam, and succeed with only moments to spare!

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A more relaxed stream, tonight, where we finally get Bedlam to work... well almost anyway :)

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Another productive stream! This time, we finish up IRQ handling, including implement the CWAI instruction, and actually get 3D Mine Storm working!

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Tonight we start implementing IRQ handling, which should allow certain games like "3D Mine Storm" to work!

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On tonight's stream, we revisit the analog joystick reading code and modify it so that it emulates more closely what happens at the hardware level. After some rom testing, we start tackling why "3-...

On tonight's stream, we continue our effort to understand and fix analog joystick input not working in some games... and succeed!

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After some refactoring, we take a look at why our analog input isn't working in games that check for more than just left/right.

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A slower stream tonight in which we take a look at performance profiles and attempt to optimize certain bits of the emulator. We don't get any huge performance boosts, but make some interesting cha...

Another night of desync detection - this time across all commercial roms that run well in my emulator. Definitely a chill stream, but we do end up finding and fixing a CPU bug!

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Another fun night of squashing CPU bugs using the new desync detection mechanism!

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Another fun stream where we clean up the network sync code and start fixing even more CPU bugs! In the end, we finally get Spinball to not over-zoom in :)

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