Monthly Archives: June 2017

Codebase64 on the Kernal behaviour

I found out that codebase64 mentions the issue I reported about reading the error channel/status info from devices that are not on the IEC bus. The author of the article refers to the issue as a deadlock. An interesting thing … Continue reading

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More on the INPUT# command

Recently I commented on how an INPUT# command can cause execution to hang on a Commodore home-computer if the device for which it is intended is not on the IEC bus. I thought to provide some more details on what … Continue reading

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Kernal “patch” in the IECHost firmware

This evening I was contemplating the idea of adding a “disk certification” option in IECHost, as per Inside Commodore DOS – program on page 91, which uses direct access programming, including job execution. I was admiring how beautifully error checking is … Continue reading

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D64 Browser update

As the IECHost client might not be provided with some low level features required to e.g. set all 5 bytes of the disk ID, I decided to also update my “D64 Browser” application in order to add a number of … Continue reading

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IECHost PCB design sent to manufacturing

Motivated by the manufacturing of a few more DC2N5-LC PCBs, I decided to also submit an order for IECHost PCBs. It would be great to get access to a 3D printer to print ad-hoc cases for these new PCBs 🙂

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TAPClean Front End update!

TAPClean Front End version 0.37 has just been published! Binaries are available for Windows and Linux on my Software page. For user convenience these binaries also provide the latest released version of TAPClean, 0.34. An updated version of the user … Continue reading

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IECHost disk restore video update

As I had changed the interleave value used to write back tracks 1-17 in a more reliable way, here’s a video update about the process 🙂

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DC2N5-LC PCBs ordered

This morning I sent the PCB design for DC2N5-LC to manufacturing. Including shipping and currency conversion they ended up being about 5 GBP each, which is more than what I’d have liked to pay, although there was a premium to … Continue reading

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DC2N5-LC displays arrived

The displays I ordered for a second batch of DC2N5-LC devices arrived today. I was able to test them all successfully in my DC2N5-LC development board: compatible with my firmware and all healthy 🙂 In the next few days I … Continue reading

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Visiload T6 support in TAPClean

A further Tx variant of Visiload has been discovered and provisionally named “Visiload T6”. The variant is used in “Spindizzy 64” (part of the “Five Star” compilation), provided by Paul. Here’s a summary of the Visiload Tx variants that are … Continue reading

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