Tag Archives: IEC

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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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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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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IECHost: D64 image warp-save to disk officially completed!

After a few changes to the IECHost client, I was finally able to make it stable to write D64 images back to physical disks. Have a look 🙂 The disk was also imaged to D64 afterwards and compared to its … Continue reading

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IECHost: first successful D64 warp-write to disk!

After work today I was determined to troubleshoot the issues I was having last week with writing D64 images back to physical disks. In order to aid the troubleshooting process I though to try capturing the traffic over the USB … Continue reading

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