Zyklus-MPS

The Source Code

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The source code as I recieved from Pete was written in Z80 Assembly. Compilation via a current Z80 macro assembler didn’t work, there were declerations and directives for a specific assembler. Looking at the Dos .bat files they used to build, I tried to find out which compiler was used, but my initial search didn’t […]

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Parts…part 3 (still to order).

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There’s still a lot I need: all capacitors, resistors and diodes. I have a lot, but I need to count & make sure I have enough of every type needed. Power supply transformer. Keeping an eye on Ebay. The original unit is still being made, but only to order in large quantity. Also looking for […]

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Parts…part 2 (I/O)

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Encoders: Buttons. These are pretty close to the original but no doubt less sturdy. Although for now they feel fine. Grey colored buttons are still in transit. I got Red, black, Yellow, Blue – all with LED: LCD Display (just a generic 40×2 – one of many I have. I’m waiting for OLED’s to become […]

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Parts…part 1 (chips)

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The CPU and IO related chips: TTL Logic:   Memory: Op-amps & opto couplers: EPROMS:

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Unboxing the actual Zyklus

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After paying a small fortune on taxes and import duties, the box was finally delivered. It was packed extremely well:   It wouldn’t boot at first, so time to open it up and check out the powersupply. I didn’t take any pics of this process, but using a multimeter I checked if there was 5v […]

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