Tag Archives: IEC

IECHost DIY kits soon to be up for sale!

Today I received the PCBs for revision 1.1 of IECHost that I plan to make available to generic users and not just to beta testers. They are quite smaller than the ones for revision 1.0 and rather simple to solder … Continue reading

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IECHost update

To my surprise all the IECHost prototypes I planned to make available to beta testers are now gone. I am leaving a couple of revision 1.0 PCBs in my possession, along with a fully built prototype, for reference. Based on … Continue reading

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IECHost PCB prototype

I got a chance to build one IECHost device late yesterday so here’s a picture of the result: Apart for the USB part it pretty much looks like a circuit from the 80s and shall surely blend in well in … Continue reading

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IECHost PCBs

IECHost PCBs arrived safely! They look quite odd at first sight, but if you pay attention to signal lines at the bottom (as in the picture below) and the pattern of components on the top side, it makes much more … Continue reading

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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 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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