Tag Archives: Firmware

USB-Commander working with SDHost-64

As I am testing existing tools with my USBhost-64 low-cost replacement, SDHost-64, I thought to give USB-Commander a go too. Here’s the results:

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More testing of SDHost-64 with my Commodore 64

Here’s a video update showing SDHost-64 loading a larger binary file into my Commodore 64. Enjoy!

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Troubleshooting successful

After work today I was pondering again the presence of erroneous 0xFF values in the stream read by the Commodore 64 from my USBhost-64 replacement device. It turns out that I was quite right when I thought the erroneous reads … Continue reading

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Some more troubleshooting

As part of the troubleshooting process for my USBhost-64 replacement, I decided to take the Commodore 64 out of the equation and test again with my mock-up circuit. I could not reproduce the issue there, but I was able to … Continue reading

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Troubleshooting some data transfer over the User Port

I am in the process of troubleshooting the alteration of some data in my USBhost-64 replacement. I thought to share the details of the data alteration in the hope that it might ring some bells with others while I give … Continue reading

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IECHost: all parts ordered

I managed to order all parts to deliver 10 IECHost DIY kits to those interested. If you’d like to get one, feel free to message me!

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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 DOSĀ – 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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