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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
Posted in Retrocomputing, Technical
Tagged Commodore 64, IEC, IECHost, retrocomputing
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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
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
Posted in Retrocomputing, Technical
Tagged Commodore 64, Firmware, IEC, IECHost, retrocomputing
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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
Posted in Retrocomputing, Technical
Tagged Commodore 64, D64 Browser, disks, games, IECHost, retrocomputing, software
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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 🙂
Posted in Retrocomputing, Technical
Tagged Commodore 64, disks, dumping, games, IEC, IECHost, preservation, software
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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
Posted in Retrocomputing, Technical
Tagged C2N, Commodore 64, Datassette, dumping, IDX, preservation, retrocomputing, TAPClean, tapes
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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
Posted in Retrocomputing, Technical
Tagged DC2N, dumping, games, preservation, retrocomputing, software, tapes
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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
Posted in Retrocomputing, Technical
Tagged Commodore 64, DC2N, LCD, preservation, retrocomputing, tapes
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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
Posted in Retrocomputing, Technical
Tagged Commodore 64, dumping, games, preservation, software, TAPClean, tapes
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