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  Praise and Questions!
Posted by: nicodemus - 05-13-2015, 11:52 PM - Forum: General - Replies (2)

Thanks so much for doing this! We are in desperate need of a modern emulator built from the ground up. Also thanks for the early Linux support!

Q1) Is there a gui for the linux version? I seem to only have a CLI command. If I have this right you wrote the GUI in QT, that should make it easy to get going under Linux, yes? For reference I'm on Kubuntu 15.04 using the nightly.

Q2) What anti-aliasing process are you using under Windows, and can I use it under Linux? It seems to wash out the colors and smudge the image a bit, but at least it's an option. Smile

Q3) I'm very much looking forward to filters coming to mGBA, as it's one of the big things that makes me choose to emu over standard play. What do you hope to implement and how likely do you think it is for it to make it into version 3?

Q4) When do you expect v3 to release, roughly?

Thanks again for everything! mGBA is now my goto emu as it performs flawlessly for me, while VBAM does not.

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  GBA colour emulation
Posted by: angrykaspar - 04-29-2015, 01:19 AM - Forum: General - Replies (2)

A while ago I asked about this in an email, but since there was no reply I assume you missed it. Sorry if you're reading it twice.

Do you have any plans for a colour correction filter? GBA games were oversaturated to compensate for the poor screen of the GBA. I first noticed the issue on Golden Sun 2, which I'd already extensively played on an original GBA and an SP. The game was fine even on the backlit SP, but on an emulator without a desaturation filter, every instance of black appears maroon. VBA-M and No$GBA are the two emulators I can think of with such a filter.

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  Fps target
Posted by: angrykaspar - 04-25-2015, 11:15 PM - Forum: General - Replies (4)

Is this option necessary if you have the emulation synchronized to audio? I would have thought that the emulator would already run at 59.7fps if the audio was running at the right speed.

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  ROM hacking tools in mGBA
Posted by: endrift - 04-18-2015, 07:44 PM - Forum: General - Replies (3)

I've gotten a request for a bunch of tools to be added for ROM hacking purposes, including:

  • A palette exporter
  • text translation table support (.tbl?)
  • A way to trace RAM data back to ROM
Are there any other tools that people would want?

As for these tools, what file formats would be useful? For palettes, I could easily do .aco or .act exporting, two Photoshop formats. Are there other formats that would be useful? And what of .tbl files? I don't have any information on this file format, which would make it a bit challenging to implement. I found http://datacrystal.romhacking.net/wiki/Text_Table, but it's a bit incomplete.

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  mGBA FAQs — Please read first
Posted by: endrift - 04-17-2015, 12:02 AM - Forum: General - No Replies

Here's a smattering of common questions that have been answered already. More will be added as time goes on.

Q: How do I use multiplayer?
A: Multiplayer currently only works on the same computer. To start it, go to File > New Multiplayer Window. Then start the games in each window. Please note that this means that you need game controllers to control the individual players, one per player.

Q: The README says that vibrate, tilt and gyroscope are all supported, but I can't seem to figure out how they work.
A: Unfortunately as of 0.2.0, while they are indeed emulated and supported, they are not exposed to the Qt port. Vibrate is exposed as of the 2015-04-17 nightly. Accelerometer and Gyroscope are exposed and configurable as of the 2015-04-22 nightly. The tilt sensor uses two axes, one for X and one for Y, which are recommended to be on the same joystick. Gyroscopes use two as well, but for the gyroscope, games are controlled by rotating a joystick instead of angling it.

Q: Is Drill Dozer's variable speed vibrate emulated?
A: It is fully supported as of the 2015-05-22 nightly, and it may work (depending on the controller) in earlier nightlies.

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  HyperSpin / RocketLauncher support
Posted by: suspendedhatch - 04-15-2015, 09:41 PM - Forum: General - Replies (4)

Just wanted to let you know that I requested that RockerLauncher (HyperLaunch) add support for your emulator and they did already. So now people will easily be able to add it to their HyperSpin (and other) frontend setups.


I see you've added joystick support, a RetroArch core and a whole bunch of other good stuff. Very cool. Thanks for making a GBA emulator focused on accuracy. That is very much gaining in appreciation these days. In the future I hope to see you add support for regular GB, GBC, SuperGame Boy etc.

Nice work!

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Information Introductions thread
Posted by: endrift - 04-13-2015, 03:36 AM - Forum: Chatter - Replies (10)

Hello and welcome to the mGBA forums! Are you new here and feel like introducing yourself? Looking for a bit of guidance getting started? Here's the thread for you.

Let me start. I'm endrift, the author of mGBA, and have been working on it for two years. Before that, I worked on a JavaScript version of the emulator for several more months. I also wrote a game in a month during that time, called Scrum: A Game (Very) Vaguely About Programming. In my spare time, I mostly program or do design work. My twitter is @endrift. How about you?

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  Upcoming tasks list
Posted by: endrift - 04-13-2015, 12:44 AM - Forum: Development - No Replies

Here's a list of tasks I intend to work on in mGBA, in a rough approximation of order:

Always Relevant

  1. Log more things! Stalled
  2. Test suite (Bug 182)
    1. Timing tests Stalled
    2. DMA tests Stalled
    3. Video tests Stalled
    4. Audio tests
    5. OOB ROM tests

medusa 0.1 Tasks
  1. Make a list.

0.8 Tasks
  1. SIO part 4
    1. Clean up GB multiplayer
  2. Save profiles (Issue 106)
  3. File associations (unfiled)
  4. Multiple bindings (Issue 87)
  5. Redo key mapping (unfiled) Stalled
  6. Chunked savegame flushing
  7. Async VFile writes
  8. Wii Port improvements
    1. Accel to fake gyro conversion
  9. Extensible savestates
    1. Optionally store old audio data in savestate
  10. Video filter support part 2
    1. Presets
  11. Game info window Stalled
  12. Deferred cleanup
    1. Fix debugger overflow (unfiled)
  13. Cheat search Stalled
  14. Use results of video tests to fix outstanding graphical issues (Bug 5 Bug 9)
  15. Common Port improvements
    1. mGUI2
    2. Borders
    3. Gamma
    4. Axis mapping
    5. Improve scrolling Stalled
  16. Python bindings (unfiled) Stalled
  17. Support i18n (Bug 63)
  18. Port mGUI to SDL
  19. Sappy/Smsh/M4A/MP2K emulation hooking/mixing (unfiled) Stalled
  20. Wireless adapter (Bug 166) Blocked
  21. More GB mappers
    1. TAMA5 Stalled
    2. MMM01 Stalled
    3. MBC6 Stalled
    4. HuC-1 Stalled
    5. HuC-3 Stalled
  22. DLDI/libfat support (unfiled)
  23. e-Reader support (Bug 171) Stalled
  24. Debug suite (Bug 132)
    1. Memory viewer string editor
    2. Instruction-level debugger
  25. SIO part 5
    • Get Multi Boot working in lockstep driver Stalled
    • Implement frame transfer SIO driver (unfiled)
    • Finish JOY bus (Bug 73) ETA Unknown - external factors Stalled
    • Implement mesh driver
    • Implement serial driver for Teensy bus
  26. Video streaming (Bug 104)
  27. Cheats part 4
    1. Rearranging
    2. Expressive cheat format
  28. New software renderer (unfiled)
  29. Android support (unfiled)
  30. Programmable HUD/overlays (unfiled)
  31. Lua bindings (Bug 62)
  32. Plugin system (Bug 111)

Potential 0.8 Tasks
  1. Android Leanback support (unfiled)
  2. Hardware renderer (Bug 137)
  3. Hardware-acceleration for 3DS (unfiled)

1.0 Tasks
  • Rewrite RR
  • WASAPI support for Windows (unfiled)
  • Formalize API
  • Write API docs

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Question Forums suggestions
Posted by: endrift - 04-12-2015, 09:12 PM - Forum: General - Replies (14)

The forums are still nascent, so suggestions for how to improve things are welcome, and encouraged! Post such suggestions here.

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Exclamation Rules
Posted by: endrift - 04-11-2015, 06:02 AM - Forum: News - No Replies

The rules on these forums are intended to be simple and clear.

  1. Be civil. Not everyone has to get along, but if you intend to fight, don't do it here. Moreover, excessive outwards anger, swearing or hate speech may be considered uncivil as well.
  2. No piracy. Do not post links to or upload illegal content, and do not request illegal content.
Repercussions for breaking these rules are not yet established, so at the moment they will be decided on a case-by-case basis. As these forums are quite young, more rules may be added as considered necessary.

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