Emulating antique calculators Sinclair Scientific and TI Datamath 2500, including 2 x QDSP-6064 Bubble LED ModuleDesigned by Store139 in Canada
This is an unassembled kit of electronic components and circuit board. Soldering required. There is an assemble option at checkout if you want an assembled unit. This is a microcode emulation, not a…Read More…
This is an unassembled kit of electronic components and circuit board. Soldering required. There is an assemble option at checkout if you want an assembled unit.
This is a microcode emulation, not a function emulation of the original calculators. I actually do not understand well the very complex calculator logics. I just implement the the original TMS080x 4 bit mcu and have the calculator ROM run against it. I believe the TI DataMath ROM was obtained from a TI patent document, while the Sinclair Scientific ROM was extracted by reverse engineering a 40+ year old chip via acid bath and microscope analysis.
The emulator was created to be;
Emulation core is based on Ken Shirriff's work. This is not a new project. This project was done in June 2014. I am creating this page here to link this to a tindie project page and sell the remaining kits I had created over the years.
This kit uses 2 of the now retired HP QDSP-6064 LED module. The PCB was designed to have these LED modules fiction-fit installed instead of soldering. They can be repurpose into other projects and should not be soldered.
Assembly / Soldering Instructions
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Shipping is done w/ CanadaPost "small packet" option with no tracking. I can provide receipt and a photo of package at post office upon request.
Christopher | July 27, 2020
Douglas | June 18, 2020
John | March 19, 2020
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