I have a captive audience next week to talk about my special interest - making homebrew Dreamcast games lol Check out the game I'll be talking about here: captkuso.itch.io/alien-taxi

Alien Taxi by captkuso

A top down taxi game for Dreamcast

captkuso.itch.io

Tokyo Indies 次回9月16日@tokyoindies.com · 2w ago

今月の紹介作品: - Alien Taxi @captkuso.bsky.social - Doodlemud @lexaloffle.bsky.social - Kindling Hour @kuwapong-sound.bsky.social - かみよがたり Atelier MelonーKissa - にんじんおうこく！（Carrot Kingdom!） @donutshunter.com

Went through hell and back again to implement this hand-scheduled, manually pipelined routine in pure SH4 assembly to basically implement glRotatef()... except hardware accelerated for the Sega #Dreamcast's SH4 FPU! 1.25-2.13x faster than CGLM! #retrocomputing #cpp #gamedev #math #graphics

Presenting shz_xmtrx_blend(): a new SH4 assembly routine for my fast math library targeting the Sega #Dreamcast! It allows you to multiply and accumulate weighted joint matrices into a single skin matrix, maintained within the 4x4 FP register back-bank for maximum GAINZ! #gamedev #simd #cpp

Busted out my trusty #moleskine notebook and had to hand write SH4 ASM while visualizing the XMTRX FP register back-bank of the SH4 CPU in the Sega #Dreamcast to fully optimize this routine. SH4ZAM equivalent to glScalef() in #OpenGL: github.com/gyrovorbis/s... #gamedev #vectorization #simd #cpp

Big ol' GAINZ on the FPU in the #Sega #Dreamcast when applying a translation matrix, after increasing superscalar dual dispatch rate of the processor by finding a novel way to zero out two FP registers in parallel, using two different but parallel-issued instructions. #retrocomputing #simd #gamedev

Enfilade has worked some absolute pixel art wizardry on the Visual Memory Unit for our upcoming port of #DiddyKong Racing to the #Sega #Dreamcast! This monochrome 48x32 pixel animation clocks in at a whopping 252 frames total! #gamedev #retrogaming #n64 #indiegame

Going back to basics, and hand drawing the textures I need for the Dreamcast's newest tactical RPG Gael Force. Yes, in fact this is getting the best results. #dreamcast #indiedev #gamedev #handdrawn #tacticleRPG

If you haven't already, follow along with @lunafoxgirlvt.foxgirls.gay's work to bring the #Sega #Dreamcast, Sega Saturn, Sega 32x, and CASIO calculator homebrew scenes an LLVM back-end for the SuperH architecture, which has historically only been supported by GCC! #retrocomputing #gamedev

Luna 🦊🇩🇰@lunafoxgirlvt.foxgirls.gay · 2mo ago

Took far too long, but got proper handling of PC-relative displacements now, yay. (as long as you don't use the 12-bit ones,,,) But still!

Come see me at DEF CON on Sunday! I will be giving a talk on my hand-optimized, fast math library for the Sega Dreamcast's SH4 CPU! Here's a little sneak peak at some of the slides: Dreamcast, C, C++, SH4 ASM, and GAINZ! defcon.org/html/defcon-... #gamedev #defcon #retrocomputing #dreamcast

Les news rétro de la semaine, dont un portage en cours de Diddy Kong Racing sur Dreamcast co-réalisé par @falcogirgis.bsky.social mag.mo5.com/286482/diddy...

Diddy Kong Racing sur Dreamcast et autres news rétro de la semaine

8e colloque national du CNJV en octobre, un remaster pour Croc 2 et une suite pour Slain, un test réseau privé pour Crazy Taxi: World Tour, un dungeon-RPG attendu sur Steam, etc.

mag.mo5.com

Diddy Kong Racing: #Nintendo64 Original vs our WIP #SegaDreamcast Port It's been so long since I played on N64, and I've had my head down so deep in the code, fighting for every 0.1FPS win, that I had started to lose sight of how our port even compares... Reality check. #gamedev #retrogaming

Been working ALL DAY to optimize and vectorize REVERB DSP effects for our #DiddyKong Racing Sega #Dreamcast... except the effects are emulated purely in software on our SH4 CPU. The SH4 was an absolute beast. Check out the entire reverb algorithm for it in the response! #retrogaming #gamedev #n64

Comparison video of how our #DiddyKong Racing port ran on the Sega #Dreamcast when it was first previewed by TheSegaGuru on YouTube, versus 24 hours later with Bruce and me optimizing and vectorizing the crap out of it for the DC's SH4 CPU. GAINZ!💪 #mariokart #n64 #retrogaming #gamedev #homebrew

Been working my ass off on #DiddyKong Racing for the Sega #Dreamcast! I've optimized and vectorized the audio synthesis and mixing tasks that the N64 originally offloaded to the RSP, but we're having to emulate on our main SH4 CPU! #gamedev #retrogaming #n64 #mariokart

12 hours since I've been given access to the #DiddyKong Racing codebase for the Sega #Dreamcast port, and I've already managed to create an "incident" worthy of the scrapbook... The gainz from accelerating the trig routines for the SH4 were so big, their necks got swole too! #gamedev #retrogaming

From the same legendary lad that is also currently working on porting Ocarina of time to the #Dreamcast, comes another project to look forward to! That's right It's "Diddy Kong Racing" Prepare for the ultimate way to enjoy this classic on a #retro system #retrogaming #N64 #Nintendo #homebrew #Sega

Falco Girgis@falcogirgis.bsky.social · 2mo ago

OH MY GOD, IT'S FINALLY HAPPENING!!! #DiddyKong Racing, the definitive #N64 kart racer, is coming to the Sega #Dreamcast! This is a direct HW capture recorded from my first time previewing Bruce's initial build! It's looking amazing already at this early stage! #gamedev #retrogaming #retro

OH MY GOD, IT'S FINALLY HAPPENING!!! #DiddyKong Racing, the definitive #N64 kart racer, is coming to the Sega #Dreamcast! This is a direct HW capture recorded from my first time previewing Bruce's initial build! It's looking amazing already at this early stage! #gamedev #retrogaming #retro

you can now play dRxLaX in you browser: drxlax.com It is made by inserting shims that take the api calls I use on the Dreamcast hardware.

An update on Balatro for Sega Dreamcast This time, presenting you with v0.80.0. What's in this one? All 150 jokers, 22 tarots, 18 spectrals, 12 planets, 32 vouchers, 15 decks, 8 stakes, 24 skip tags, 28 boss blinds and 20 challenges. Full progression: unlocks, discovery, achievements And more!

Did some Sega Dreamcast programming using PVR API directly. :) After 3 days of programming, I have model loading done and vertex colors work. The platform is extremely easy to program, especially relatively to PS1. :D #segadreamcast #dreamcast #gamedev

The most cursed macro I've ever written... now you can use C11's _Generic() selection mechanism from either modern C or C++ to implement function overloading by type! #cplusplus #cprogramming #metaprogramming

Got OpenJKDF2 mostly ported to Dreamcast+KallistiOS, rendering is basically as good as it needs to be (but asset streaming leaves a bit to be desired atm)

Phantasy Star Online might be synonymous with the #Dreamcast when you think of MMOs But here a new #homebrew port by "Lobotomy" (Not the company) The classic browser MMO "Runescape" Running natively and surprisingly excellently, and boasting many cool feature, including online play! #retrogaming

Falco Girgis@falcogirgis.bsky.social · 3mo ago

Presenting #Runescape Classic... coming soon to the #Sega #Dreamcast! Featuring a real-time day/night system with dynamic lighting, online connectivity, mouse + keyboard (and even dual analog stick) support, NTP-based system-time synchronization, and much more! #gamedev #retrogaming #osrs #mmorpg

Presenting #Runescape Classic... coming soon to the #Sega #Dreamcast! Featuring a real-time day/night system with dynamic lighting, online connectivity, mouse + keyboard (and even dual analog stick) support, NTP-based system-time synchronization, and much more! #gamedev #retrogaming #osrs #mmorpg

Direct hardware capture of jnmartin's #Sonic R port running on the Sega #Dreamcast, now featuring online cross-play between Windows, MacOS, Linux, and DC players! #retrogaming #gamedev #sega

jnmartin and I are revisiting our port of #MarioKart 64 to the Sega #Dreamcast and are prepping for a rerelease. He's offloaded all audio processing to our SPU and redone the renderer, while I've gone and optimized all of the math and vector routines for BIG FPS GAINZ! #retrogaming #n64 #gamedev

Just finished a demo showcasing Gael Force's engine. This, and a giant milestone 2.5d sprites! plus a menu redesign. #Dreamcast, #gamedev #pixelart

DEAR GOD WTF!?! Accidentally screwed up the matrix math trying to vectorize the skinning routines for our port of Ocarina of Time to the Sega #Dreamcast, looking for gainz on our SH4 CPU. RIP Lon Lon Ranch. 🤣 #zelda #n64 #gamedev #retrogaming

The #Sonic Mania #homebrew port for the #Sega #Dreamcast by @sonicfreak94.bsky.social, "JnMartin" & @falcogirgis.bsky.social is entering its home stretch of development! You'll be needing the original game to build the port Which is currently 90% off on Steam shorturl.at/V6lQm #retrogaming #gaming

Falco Girgis@falcogirgis.bsky.social · 3mo ago

Our port of #Sonic Mania to the Sega #Dreamcast is nearing completion! Here's 2 minutes of footage captured directly from my physical DC! Stand by for the Blue Blur's epic return home to a #Sega console! @sonicfreak94.bsky.social #retrogaming #gamedev #gamedevelopment #indiedev

200% gainz relative to the best performing scalar implementation (with every optimization flag in the book enabled), using my own hand-rolled, SH4 ASM optimized, vectorized FFT implementation... for the Sega #Dreamcast. github.com/gyrovorbis/s... #fft #math #retrocomputing #simd #dsp #gamedev