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General Stuff(tm)

Blogs & guides and tales of woo by forum members.
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stephen_usher
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Re: General Stuff(tm)

Post by stephen_usher »

And it's here... SO well packed that it took me about a quarter of an hour to get through the outer layers. Also a very nice hand written note inside as well.

IMG_5269.jpeg

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Intro retro computers since before they were retro...
ZX81->Spectrum->Memotech MTX->Sinclair QL->520STM->BBC Micro->TT030->PCs & Sun Workstations.
Added code to the MiNT kernel (still there the last time I checked) + put together MiNTOS.
Collection now with added Macs, Amigas, Suns and Acorns.
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exxos
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Re: General Stuff(tm)

Post by exxos »

Very nice :)
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PhilC
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Re: General Stuff(tm)

Post by PhilC »

Looks good to me @stephen_usher
If it ain't broke, test it to Destruction.
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stephen_usher
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Re: General Stuff(tm)

Post by stephen_usher »

Other than the keyboard membrane it looks to be fully working!

IMG_5270.jpeg
IMG_5271.jpeg

The one issue is that the OSSC doesn't generate an HDMI output that the TV likes even though the OSSC says that it's fully locked onto the sync.
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Intro retro computers since before they were retro...
ZX81->Spectrum->Memotech MTX->Sinclair QL->520STM->BBC Micro->TT030->PCs & Sun Workstations.
Added code to the MiNT kernel (still there the last time I checked) + put together MiNTOS.
Collection now with added Macs, Amigas, Suns and Acorns.
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rubber_jonnie
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Re: General Stuff(tm)

Post by rubber_jonnie »

Very nice indeed.

:girldance:
Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
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stephen_usher
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Re: General Stuff(tm)

Post by stephen_usher »

I fixed the membrane by trimming the ends and removing the remains from the sockets. Worked for a short while but now it's failed again.
Intro retro computers since before they were retro...
ZX81->Spectrum->Memotech MTX->Sinclair QL->520STM->BBC Micro->TT030->PCs & Sun Workstations.
Added code to the MiNT kernel (still there the last time I checked) + put together MiNTOS.
Collection now with added Macs, Amigas, Suns and Acorns.
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stephen_usher
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Posts: 7406
Joined: 13 Nov 2017 19:19
Location: Oxford, UK.

Re: General Stuff(tm)

Post by stephen_usher »

Just to prove that it worked for a very short while...

IMG_5272.jpeg

But it was very short and now it's toast. In fact toast is less likely to crack if bent.

I tried annealing the plastic with some heat. Although the craze of cracks did disappear with heat the plastic just crazed again if bent.

Anyway, I've ordered a replacement from RWAP Software. Rather more expensive than the ZX Spectrum and ZX81 membranes though. Probably a smaller production run.

As I had the machine open I took the opportunity to fit a replacement ROM with BASIC built in so it doesn't require the IS BASIC cartridge.

IMG_5274.jpeg

To upgrade the memory I'm going to have to suck out the solder on the expansion header positions and fit headers.

IMG_5273.jpeg

I put the machine back together without the keyboard connected, removed the Arabic stickers from the keys and gave it a bit of a clean. It didn't need much cleaning at all actually. It's in very nice condition. I also designed and printed a joystick handle. I used the dimensions and shape from the hole for the original in the polystyrene. It's the wrong colour of course, but it can be painted.

IMG_5275.jpeg
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Intro retro computers since before they were retro...
ZX81->Spectrum->Memotech MTX->Sinclair QL->520STM->BBC Micro->TT030->PCs & Sun Workstations.
Added code to the MiNT kernel (still there the last time I checked) + put together MiNTOS.
Collection now with added Macs, Amigas, Suns and Acorns.

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