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Shannon Birt

@shannonbirt.bsky.social

218 Following464 Followers

Retro Computer/Console enthusiast. Attempting to tick retro game developer off bucket list .
X : https://x.com/birt_shannon
Youtube : https://youtube.com/@shannonbirt9267
Discord Shazza#4474

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@shannonbirt.bsky.socialOct 10, 2026, 4:47 AM

Thanks for the shoutout ! Appreciate it 🙏

@shannonbirt.bsky.socialSep 25, 2026, 2:04 PM

* Mega Parodius (MD) Update * Slow but steady progress, Cat boss is near completion - Penguin boss should be much easier ! Had lots of issues with Sprite priority (what shows in front of what ) - all sorted now. Penguin Factory logic was annoying, floating platform and them jumping off the ship !

@shannonbirt.bsky.socialJul 26, 2026, 2:53 AM

* MD 3D engine v8.5 * Added X scrolling of the sprite based background. Added X camera movement of the 3D plane ( broke stuff for a while due to wrapping and limited coordinate resolution ) . Video from Exodus with sprite boxing enabled to show how the sprite based BG is made up - Neo Geo style !!

5
@shannonbirt.bsky.socialJul 16, 2026, 12:36 PM

* Sega Megadrive 3D V8 * Toni Galvez joined the project for GFX / models & level design 25% Larger Buffer 256x160. Music added - XGM1 works, XGM2 doesn't :-( Faster buffer swap, rewrote Quad Renderer. Added a 114 sprite multiplexor ( the background is all sprites ) Added Tilt effects :-)

2
@shannonbirt.bsky.socialFeb 16, 2026, 4:31 AM

Mega Parodius Stage 8 Boss Update !!

Tackling the technically challenging bits head on with the full screen scaling boss in Parodius - Puyon .

More information in the youtube notes there for those interested.

Lots of tricks to get enough performance etc.

Genesis does !!

youtu.be/pqNbWbk8iPA

youtu.beMega Parodius Sega Megadrive - Stage 8 Boss UpdateYouTube video by Shannon Birt
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