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MEGA65 – highly advanced C64 and C65 compatible 8-bit computer (trenz-electronic.de)
113 points by rbanffy on Sept 30, 2021 | hide | past | favorite | 54 comments


I pined over a lot of retro hardware over the past year, there are a lot of competing modern C64 and Amiga hardware, at the core of most of them are FPGAs, so if you want to save money and have a large set of options, get yourself a DE-10 Nano / Mister setup. It's kind of the kitchen sink of retro computing at this point and runs < $200. You can emulate everything from an Apple II, C64, ZX-Spectrum, most consoles through the 90s, Amigas, even a 486 (though it's shaky).

What you won't get is an already set-up system, a nice case, or simple to attach peripherals, but I haven't had too much trouble with it, except trying to get a formatted hard disk for an Amiga into an SD card with files on it, but I figured it out :)


These guys just announced a version of the mister hardware trying to make it more accessible to use for end users https://rmcretro.store/mister-multisystem/


This looks interesting! I’ve long wished for a more mature MiSTer system that feels like a complete retro console/system/computer. There ARE already many options there but involves 3D printed parts, soldering, or more. If I could just throw an added €50-100 on the problem I’d gladly consider it, and this looks promising. I don’t really fancy the official rectangular case. It looks more like a hacker platform. Which, I guess, it is… But…


Wow this looks great. Now I almost regret having the janky DE-10 Nano and SDRAM hanging off a power cable next to my TV.

I love the form factor and the cases! Thanks for sharing this.


I absolutely agree about MiSTer.

If you're into this, that's the hardware to get. A massive ecosystem of cores with good software to choose, configure and keep them all up to date.

I just wish the target devboard was among those supported by the open synth/place/route stack. Maybe in the future, somebody will make an OSHW custom board for the purpose, using a well-supported FPGA that could also hopefully be fatter than the one the DE-10 Nano has.

But, right now, MiSTer is the way to go.


I can see which generation of people has hit their peak earnings by tracking which decade's nostalgia hits the market.

Not that I am complaining: this scratches my itch. I just wish it were even easier to obtain software.

I think the reason the pi and this are accepted over an emulator is because I don't want to run strange software on my main machine(s).


Yikes! I've been waiting for this, but 793€!

I understand the reasons. Quality parts, small run, etc. But then I wonder: suppose I am so crazy to buy one. Extremely cool, certainly.

But then?

I stopped writing C64 software 27 years ago. Fondly remembering POKE 53280 is one thing, but doing that again...?


Demo coding maybe? I always admired the heck out of demo coders, and wanted to be one myself.

But then probably real vintage hardware is more appealing.


I'm buying one because I have problems but I sincerely think there should be a cut down version. Especially one without a floppy drive (What if you don't actually have any old floppies and just want a cool embedded games platform?)

I mean, I'm not seriously expecting this to be the next big computing platform but I do think that a lower barrier to entry would help adoption.


Can check these out as an alternative:

https://ultimate64.com/

The Ultimate 64 is the computer and the Ultimate II+ acts as a memory card reader for a Commodore 64 so you can mount different .d64 images to it.


They're already planning a spin on the "C65 Classroom Computer", as seen at https://www.forum64.de/index.php?thread/102560-wo-kann-man-d...

They also have issues sourcing functional refurbished 3.5" drives, apparently the idea is to potentially move away from the built-in drive entirely after those 1400 units they're building right now.


My issue with this is the price. Not because it’s not worth it, but because it means no one outside of hardcore enthusiasts will buy one, that means very little software will ever be developed for it.

Also I find the presence of the floppy drive in 2021 ridiculous. Yes the C65 had one - but that was a prototype machine from 1990 that was never produced. There’s no c65 software available on floppy disk, so no reason this couldn’t have used sdcards instead.


I’d consider it at €400 (i.e. above a full MiSTer setup price) if it was a well crafted case like this but an Amiga 1200 equivalent with a C64 mode and SD card slot as “floppy”. Something more pragmatic.

This one instead reminds me of those Vampire FPGA’s with SAGA graphics mode running on a so called Motorola 68080, that is so niche on a niche system that nothing is developed for it other than tech demos and software compatibility suffers to boot.

Then again, I don’t like to complain about these passionate projects! They’re clearly 80’s “dream machines” of sorts. I just think that from a financial/success perspective this may not be where most profit is at.


Yeah, 800 euros for something that for me would be to remember my C128 days is too high.

I can get a RPi4 for much less and install an emulator.

I understand that this is (should?) be better, but still, 800 euros!


The MEGA65 has dual SD card slots as well as the floppy drive.


> because it means no one outside of hardcore enthusiasts will buy one

I can imagine a version based on an emulation using a small ARM with the same physical keyboard and box, minus (or maybe not) floppy. The board is costly, and they expect to sell a finite number of units, so they need to recover the cost of the plastic injection tooling within that batch.

Having future versions based on emulated hardware would open up a market and drive down unit costs to more THEC64 Maxi levels, which would be extremely beneficial.

I'm looking forward to more retro machines, even if based on emulators, but with accurate physical reproductions of vintage hardware.

For lots of platforms, the physical object is not that important - We have 102/104-key with layouts that replicate most post PC-AT Unix workstations - it's the same layout we use, that the Archimedes and its descendants used, that most SGI's, most HP's and most other post-AT computers used. For those, the most important physical aspects are easy to replicate. If you really want, even a Trinitron tube can be replicated with a flexible OLED display and some bent plastic.

For computers like the C-64, 128, 65, Amigas, 8-bit Ataris, ST's, Apple II's, ///s, and earlier Macs, Sun workstations, Lisp machines, Alto's, Lilith's, DECs and others, the illusion will break if you use a PC keyboard and mouse. It'll feel strange.


> I can imagine a version based on an emulation using a small ARM with the same physical keyboard and box, minus (or maybe not) floppy.

For the C64 at least what you describe exists: TheC64 remake by RetroGames. It's exactly that, an ARM chip running VICE inside a case that looks and acts like a C64, complete with working keyboard. I own one and it's pretty cool.

Why not a real C64 I hear you ask? Well, real C64 are brittle, require swapping components, and outputting to modern TVs and pen drives requires expensive specialized hardware gadgets and addons anyway. Some hardcore fans do it, but it's not for me -- I just wanted it to work out of the box.


I am the happy owner of a Maxi. This is what made me realize that so much of the experience was the physical artifact. While an FPGA-based board may be more accurate, the experience is incomplete without the accurate replication of the human interface.


A small ARM cannot emulate the MEGA65's 40MHz CPU or 81MHz pixel-clock VIC-IV video controller, unfortunately.


I seriously doubt an RPi 4 class multi core device with a GPU can’t do that or, at least, precisely emulate a Commodore 65.


Agree. The price is about double what it should be, and right now it's vaporware.


People want hands on physical hardware. If you just wanted 2021, you could run everything in an emulator. Having a floppy drive is cool and nostalgic.


>price

I'd consider buying one at 300€. I'm not even contemplating it at the current price.

>floppy ridiculous.

I disagree. Floppies are very adequate to this sort of hardware, and an important component of the classic feel.

I just wish the drive faced the right side (like a keyboard Amiga) instead. It's not like they have any ports in there.

Inserting floppies from the front seems extremely uncomfortable to even think about.


Tape drive would have been more appropriate, and more fun though :)


I suffered enough of that back in my C64 days.

Anybody who could afford it did get a floppy drive. I got an Amiga 500 at some point, instead.

I still have the hardware and the tapes, so I intend to get everything operational again at some point. It's just in the back of the queue, as I am busy dealing with a lot of "retro" platforms already.


At the end of the c64 era I had hd. Ran a large bbs. In the beginning of the c64 era a 1541 was more than enough.

Using a hard drive for a c64 isn't uncommon.


Since it is trying to replicate the C65 which came with a floppy, a tape drive wouldn't be more appropriate. Even for the C64 which is more era appropriate depends on where you lived. In the US the vast majority of C64s were used with a floppy drive. Software on tape was difficult to even find at your local computer store.


Why buy a Mega65 when you can emulate it? https://github.com/lgblgblgb/xemu/projects/2

The emulator has been used to develop software for it and most stuff is open source or free.

Plus C64 software runs on it like the 128 does in a C64 mode.


It seems that there's an SD slot at the front, right below the floppy drive.


There's actually two, from the specs sheet:

* dual SDHC™ card slots


Is the floppy drive fast? That would be cool.


The keyboard assembly is really cool and I personally appreciate the effort, but I bet all that custom plastic really adds onto the price. Custom double shot keycaps are not cheap. I wonder if there could be a much cheaper option with a simpler case and a PS/2 keyboard adapter instead. Perhaps even USB could work, but that feels wrong for this project.


But it's part and parcel to the experience, right? It's a tactile thing.

It's a stand alone, one piece computer, like the old days.

I mean, you don't restore a Chevy Bel-Air and put bucket seats in the front, right?

Even down to the floppy. You get to thumb through the floppy case to find a copy of "Burgertime", shove it in the slot, plug in your joystick, hear the "whirr tick tick tick" of the floppy, and then MUSIC! CRESCENDO! ATTRACT MODE! AWAY WE GO! In all it's one channel, 8 bit splendor.

Pretty sure the market isn't folks looking for a bare board with cables strewn about. There is a lot of effort out there, and many folks, trying to replicate this "retro" experience. And others willing to support it.

Otherwise, yea, run a simulator on...well, anything. "Whee".

It's not my cup of tea, mind, but I'm not the one buying it either.


Well, where do you draw the line? Eventually you arrive at just running an emulator without bothering with hardware at all.


I would draw the line at €200. A lot of people can justify €200 for nostalgia. If you can run the old software and the hardware has the right look and feel, people won't mind the details too much. Far fewer people can justify nearly €800.


And there are lots of options that already fall into that bucket. If you want a beautifully designed, professional product with a mechanical keyboard, then nope. The case moulds alone cost a fortune (and years) to produce. This project has been going on for at least 6 years, and it's only a couple of months away from putting these computers in (some) people's homes.

But don't worry. The C65 core is already being ported to MiSTer from what I've heard. So a small metal box with a USB keyboard experience isn't far away for many others to enjoy.


As someone who is often interested in buying music hardware, it is hilarious seeing people freaking out about the price of this


You could slap a midi interface snd and knobs onto a few SID chips and sell it for way more than this.


> Awesome chiptune potential: 4 SIDs, OPL2™ (wip), 4-channel 16-bit DMA-based Audio in FPGA

FOUR SID devices? A new lot of actual 6581 or 8580 chips (which would justify the price, BTW), FPGA approximations (likely), or emulated in software?


It says FPGA in your quote.


I am slowly moving off my retro computing hobby. The last straw was recent chip shortage and crazy prices. I bought myself a copy of "The 8088 Project Book" and I wanted to build the presented 8088 breadboard computer. Guess what? The only factory that was building compatible 8088/8086 chips caught fire (Renesas factory fire). I had to order 20 year old chips for the price x2 of the new chips. But not only that, some chips are either unavailable or crazy expensive due to a lot of recent interests in retro-comp.

In other way, the hobby became unreasonably expensive for me. So I decided to move my interests into FPGA. The fun is almost the same, but the cost is way lower (you only need to buy a good board and a book, and you are set up). I started with this extremely simple IDE: https://github.com/FPGAwars/icestudio

As for this build, I have mixed feelings about using FPGAs to revive old computers. Can't we create something new out of it? It would be fun to have a _modern_ FPGA based SBC with easy to program graphics (memory mapped) and with simple device interface (I think USB is way too complicated for hobbyists). Just something powerful enough to create games, yet simple enough so that teenager can write a simple OS in his spare time.


The retrocomputing sweet spot for me would be reproduction keyboards with nice mechanical switches and DB9 joystick ports. For both the Atari 800 (4-joystick) and the Commodore 64/VIC-20, please. Something I could use with an emulator or eventually something like the MiSTer.


The MiSTER has filled this gap for me - even if I do need to find a nice keyboard to use with it.


For those who don't know the project :

https://github.com/MiSTer-devel/Main_MiSTer/wiki


I'm happy enough with my C64 remake, the full sized TheC64 by RetroGames. It has an ARM running VICE inside, but it looks real enough with a functioning keyboard with PETSCII graphics, a requirement for programming and doing PETSCII art.

This C65 remake... way too expensive, plus I didn't own one back when I was a kid (and I guess nobody really did, since it never got past the prototype stage), so it has no nostalgic appeal. If I wanted a powerful computer that I didn't own as a child, I'd stick to my laptop.



The first 400 sold out within 8 or 10 hours. Less than 900 in the second larger batch remain available at last check.


The FireBee is a new Atari-compatible computer

http://firebee.org/fb-bin/index


for 800 it would have to include a spiral bound user manual.



perfect. I was looking at the pdf version on the actual mega65 site but did not see this. ty.


Is there a demonstration of the capabilities of the c65 somewhere? How would it compare to an A-500?


Love the idea but the cost is just too prohibitive.


It would be tempting at a lower price but I'm inclined to save my money for a machine that runs Win 11 and can take a current generation GFX card.




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