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MicroMac, a Macintosh for under £5

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Re: MicroMac, a Macintosh for under £5

#101
post #98
post #55

Earlier quoted context omitted.

A million years ago, I spent two cold nights standing on my head in the driver's side footwell of my E36 BMW, installing an inexpensive Wal-Mart-sourced CodeAlarm remote starter to make my then-wife happy. It worked great. It could even operate the door locks and roll the windows up with the fob (none of which sounds very special for a modern vehicle, but my car was not equipped with remote-anything from the factory…

> Over a decade later, the fob got destroyed in an unfortunate boating incident. I kind of feel you dropped the lede here. Need to hear this story as well.

>> Over a decade later, the fob got destroyed in an unfortunate boating incident.

> Need to hear this story as well.

I bet it's "dropped her keys into the lake." Perhaps after awkwardly balancing them a place that, in hindsight, should not have been used.

Re: MicroMac, a Macintosh for under £5

#102

Super cool project. It makes me wonder what the smallest/barest SBC one could get away with for emulating the last 68k Macs or average mid-to-late 90s PPC Mac at full performance might be. Retrofitting a modernish laptop body of some sort with one of those so it would be capable of running System 7.6.1 up through Mac OS 9.x could make for a surprisingly useful "zen mode" laptop.

This is precisely what I want. 7.6 with all-day battery life in an ultralight would be heaven for me.

Same! Just add in an easy way to print from the emulator!

Re: MicroMac, a Macintosh for under £5

#103
post #38

How are these people finding VGA cables in the street :S I needed like 10 or so VGA cables recently for an art installation and asked everyone I could and nobody had any lying around... I ended up having to buy new ones which seems a shame considering how many are thrown away!

You would be surprised how much trash there is in the city around us, that you suddenly start noticing when you have a diy project. Let me share you some moments of my own with you. I was leaving university campus with my buddies, talking about building magnetic card reader to check contents of my campus library card. Just as I was explaining magnetic heads to one of the guys I see a random cassette player few meters…

Are the girl from the flat TV date and your wife the same person though? :)

Re: MicroMac, a Macintosh for under £5

#105
post #50

Earlier quoted context omitted.

If only the RP2040 supported SPI PSRAM!

The PicoGUS uses PIO to implement a PSRAM interface in order to store 1 MB of audio sample data: https://github.com/polpo/rp2040-psram

That is cool, I'll give it a go. It could be made workable for something like a JIT or interpreter (like the MicroMac). Could it be added to the RP2040 address space and used as a native load store target?

The neat thing about the ESP32 chips is you can extend their internal memory with external SPI PSRAM chips.

https://cdn-shop.adafruit.com/product-files/4677/4677_esp-ps...

Re: MicroMac, a Macintosh for under £5

#108
post #81

Earlier quoted context omitted.

Need CRT too for the authentic experience.

We need doubly-curved OLED screens. We can already do Trinitron (cylindrical) ones with the flexible displays we have. It is an interesting problem, though. I noticed in Disney's Loki, they used a combination of VFX and lenses on top of flat panels to give the impression they were using CRTs (notably in their ADM-3 lookalikes). For a 9~14" CRT it'd be a fairly large lens that would need to be optically connected to t…

Can't it be done with a DLP device? CRT was X-ray projection device with phosphor paint applied inside to convert the rays to visible light.

Re: MicroMac, a Macintosh for under £5

#109
post #12

I was considering doing something like that for an Amiga, running AmigaOS 3.2. It's a cute idea, especially once you 3D print a shell that looks like the original (shrunken down). I do think that the lack of an old school floppy drive means that something is kinda missing from the experience, but I do like the idea of having a machine dedicated to running this instead of just firing up an emulator on my existing desk…

I would buy this! Especially if you got the sizing right so that an SD card could be inserted like a floppy, that would rock!

Right on the money: "SD card could be inserted like a floppy"

Re: MicroMac, a Macintosh for under £5

#110

Super cool project. It makes me wonder what the smallest/barest SBC one could get away with for emulating the last 68k Macs or average mid-to-late 90s PPC Mac at full performance might be. Retrofitting a modernish laptop body of some sort with one of those so it would be capable of running System 7.6.1 up through Mac OS 9.x could make for a surprisingly useful "zen mode" laptop.

And the display should be e-ink to go all the way from zen to Nirvana!
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