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Um CPC 6128 com a unidade de 3" substituÃda por um emulador de disquetes e um PCW (um computador que teoricamente só serviria para editar texto).
Acer Pica-61 system board, Mips R4400 system, based on the jazz architecture, installation of Windows NT 3.51 for mips.
After a hesitant start - you'd be grumpy if you'd been woken up after a few decades' sleep - it seems still to be working!
This amazing gadget is a pen plotter, built from scrap parts. The plotting table is a direct-drive record turntable, salvaged from the dump. The pen is driven left and right by the carriage mechanism from a printer. The whole thing is driven from the laptop on the far right, via an Atmel ATmega32.
For the Ohio Scientific Inc. Challenger 1P microcomputer, 1978.
The audio from this cassette can be found here:
Assembled and running my PongClock.prc (which you can find here)
The program includes logic which disables the auto-off feature if it finds 2.75V or greater at startup.
This is my second PalmOS program, I wrote CountDown more than 10 years ago. Writing this one in 2010 wasn't easy, it may count as Retrocomputing. The tools I used back then were lost. I ended up using a Metrowerks CodeWarrier Lite I still had on CD. It won't even install on my new (Windows 7) laptop.
I've been getting some home-made ZX Spectrum programs off cassettes that have been various lofts for decades. Amazingly, most still load. See github.com/blogmywiki/ZXSpectrum for files you can load in emulators.