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Original Space Invaders arcade machine uses a TI SN76477 chip for sound generation. Quote Wikipedia:
> uses monaural sound hosted by a combination of analog circuitry and a Texas Instruments SN7647…
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[Here ](http://www.righto.com/search/label/reverse-engineering#fn:feedback) is an interesting discussion about the chip. In the notes he says he verified the formula for the noise generator (see [here…
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`cc -DGP2X -DALIGN_INTS -DALIGN_SHORTS -Dasm="__asm__ __volatile__" -DMAME_UNDERCLOCK -DMAME_FASTSOUND -DENABLE_AUTOFIRE -DBIGCASE -D__LIBRETRO__ -DWANT_LIBCO -I./src/libretro/libretro-common/include…
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While working on implementing `PinmameGetMaxSoundCommands` and `PinmameGetNewSoundCommands` in libpinmame, tables like robot and lotr are crashing in libpinmame.
The last working commit is [bbe86b…
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```
/build/build.LibreELEC-ARMv8.aarch64-12.0-devel/toolchain/bin/aarch64-libreelec-linux-gnu-gcc -DGP2X -DALIGN_INTS -DALIGN_SHORTS -Dasm="__asm__ __volatile__" -DMAME_UNDERCLOCK -DMAME_FASTSOUND -…
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### Describe the bug
Build errors of aarch64 game.libretro. and libretro. in aarch64
### To Reproduce
build the following addons:
- game.libretro.beetle-pcfx
- game.libretro.mame2000
- game.…
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* Your Windows build number: Microsoft Windows [Version 10.0.16299.125]
* What you're doing and what's happening: Building mame2003 from this repo https://github.com/libretro/mame2003-libretro
…
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I see the `phoenix` driver still has the 0.78 original source.
There has been multiple fixes since then according to the [adb site](http://adb.arcadeitalia.net/dettaglio_mame.php?game_name=phoenix)…
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I want to try to build a wasm of mame0246 on ubuntu 22.04 according to https://docs.mamedev.org/initialsetup/compilingmame.html#emscripten-javascript-and-html. After I configured emscripten, I started…
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@arcadez2003
I'm just about finished creating new independent drivers for lunar rescue to properly use the current lrescue samples but I hit a snag on the bitstream tunes that it uses injunction wi…