Builds & Mods
DIY retro builds and modifications: flash carts and multicarts, diagnostic cartridges, controller adapters, video and region mods, kits and PCBs built from scratch.
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A three part build that replicates the classic Atari Super Salt diagnostic cartridge: soldering, EPROM programming and testing an Atari 65XE.
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A homemade Atari 2600 cartridge with a resin printed shell, an AI art label and a 21V EPROM burned on an 18V programmer. Nearly everything went wrong, but it booted.
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Part 2 of the Spectrum 128K toastrack fix: building the ByteDelight ZX Diagnostics Cart kit and testing a faulty machine that passes everything with the cart fitted.
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No original carts were harmed: a GX4000 cartridge from a community PCB, a 74112 in place of the ACID chip, a freshly burned EPROM and a label made from scratch.
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Join me as we upgrade and playtest our (now working) Tatung Einstein TC-01 Microcomputer. This fairly obscure British home computer launched in the summer…