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C64 #Delphian progress: I've created an interior image and I quite like it... so I hooked it into the game. Anyway, here's how the game looks at the moment.

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C64 #Delphian progress: just for fun (as I can't use this image) a ship interior! 😀😊😉

C64 #Delphian progress: all bit more optimising today, but I think the next step will be adding all the ship systems, meaning items to purchase and install. Some items can be upgraded if you find a Technician and give them the right items... Oh, I need a currency too! Credits will do I guess...

#C64 #Delphian progress: life's been a bit up and down recently, but it's okay now. So, did a bit more work on the game, getting the star chart to work. I can now select a destination star system (that's in range) and jump there. Still some optimisation to do, but here's how it's looking so far...

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#C64 #Delphian progress: bit more work on the hyperspace effect this evening. Also added fade in/out on cursor, plus added a charging message and bar.

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#C64 #Delphian progress: been working on a hyperspace effect this evening, and this is what I have so far... Oh, and star chart is kinda working already, so soon I'll be able to jump properly between stars.🙂

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#C64 #Delphian progress: this is still a bit rough, but here's the latest video clip. From planet surface to space, and back again to landing on the planet and walking around. Needs a bit of optimisation in places, then comes a hyperspace jump!🙂

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#C64 #Delphian progress: I have a planet (okay, circle) in space, and can fly around it. Just needs the enter orbit code finishing, then I can take off, fly into space, turn around and return to the surface. Next comes hyperspace jumps, star charts, info, shops, items... rest of the game really. 😉

#C64 #Delphian progress: minor update as I've just added the horizon curve at high altitude. Next step is to add a planet in space (and I have a circle draw ready for that). Then comes re-entering orbit, and then return to surface flight. Oh, and did I say I'm having lots of fun with this?😀🥰

#C64 #Delphian progress: finally got the code working for the transition from flight to entering space. Still WIP and a bit rough, and I still want to curve the horizon at high altitude. But here's what I have so far, from walking around, boarding a ship and flying around, to heading into space...

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#C64 #Delphian progress: reorganised code a bit to make better use of ROM. Added some dsshboard code, added code to handle altitude (complete with sky fade and horizon dropping), so I've nearly reached space. Looking at curving the horizon at high alt. Then it's time for another video clip!🙂

It's time for the Summer Sale 2026! All my C64 games are 25% off. itch.io/s/193045/sja...

SJA's Summer Sale 2026 by SarahJaneAvoryA bundle by SarahJaneAvory, $29.93 for 7 gamesitch.io

#C64 #Delphian progress: back to the surface! I'm coding up the main game flow, so added code for walking around, boarding a ship, taking off, flying around a bit, landing, getting out of ship. Turning feels smoother after adding 1024 entry sine table. So next step: heading into space...

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#C64 #Delphian progress: modified my own 3D model editor to output files for the C64, so now I have a spaceship in game.🙂Lots of changes to the 3D engine to support polygon types: points, lines, triangles, quads, and pentagons. Solid polygons might be playable on a 1Mhz C64...🤔

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#C64 #Delphian progress: been working on the clipping code for my 3D engine. It's now working, and today optimised the code a bit to run faster. There are two code paths for clipped and unclipped, tthe slower clipping code only used when needed. It's been fun code to write!😀 That or I'm a bit mad.😉

#C64 #Delphian progress: still WIP and a bit rough, but solid polygons are now working.🙂 Time for a bit of optimisation... My aim is to give the player graphics options: wireframe for speed, solid for visuals (and sacrificing speed). Of course a 64Mhz C64U will have no issues with solid polys.😀

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#C64 #Delphian progress: not the most impressive video clip ever... but here's the WIP 3D system showing wireframe with hidden surface removal working. I still need to optimise some of the maths further... then the next step is (probably) solid polygons!🙂

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#C64 #Delphian progress: here's a little WIP video clip showing a bit of walking around, the WIP galaxy chart, and of course a bit of flying through space with my new circle draw and some space debris.🙂All this is on a stock 1Mhz C64. More to come...

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BTW, I still plan on working on Spectrum Next Delphian, but will complete the C64 version first. I have a PC version in C++ that emulates C64 graphics (and SpecNext too), and I use that to prototype code. I can then port the C++ to 6502 and Z80.😎

Sarah Jane Avory: from Amiga classics Thunderhawk and Jaguar XJ220 to modern retro games www.generationamiga.com/2026/05/30/s...

Sarah Jane Avory: from Amiga classics Thunderhawk and Jaguar XJ220 to modern retro gamesSarah Jane Avory is one of those developers whose career connects several very different eras of videogame history. She worked at Core Design during the stuwww.generationamiga.com