Monthly Archives: May 2017

IECHost: warp disk image write progress

This evening I had some time to start trying to write an entire D64 image to a physical disk. The process did not complete as expected as I had some issue when it¬†got on track 6 and before that I … Continue reading

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IECHost: warp sector write ready

After a few tuning cycles, I am glad to say that the warp transfer routine that is used for sector writing to a physical disk is now working as expected ūüôā The very first sector I wrote to a real … Continue reading

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IECHost: progress… indicator

I thought my IECHost client would benefit from a progress bar to let users know that things are progressing smoothly during a PRG export/import job. So here it is: a progress bar now becomes visible during either of these jobs … Continue reading

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IECHost: more progress on the warp disk image write feature

I finally managed to put together all the code for warp-transferring data from IECHost to¬†a¬†Commodore 1541 floppy drive. All components seem to be working, albeit¬†I need to tune the timing of the sending side. There is a further change that … Continue reading

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IECHost: warp disk image write in progress

Today I had a¬†chance, and the motivation, to write the critical part of the warp disk image write process in IECHost. Essentially this part of the code I worked at transfers data to the disk over the IEC bus using … Continue reading

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IECHost: warp sector send completed

I finally managed to finish the option to warp transfer the GCR image of a single chosen sector from a¬†1541 floppy drive to IECHost. This feature is going to be used in order to retry sectors that present errors during … Continue reading

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IECHost: disk write/modify options ready

After a tiny but necessary update on the firmware side, I was able to finish off the PRG import feature for IECHost and complete the rest of the disk write/modify options I had planned ūüôā Here’ a video to recap¬†what … Continue reading

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IECHost: Disk Validation command ready

Suppose you were attempting to write a file to a Commodore DOS disk but the operation failed, e.g. because there was not enough space on the disk to start with, or because there was an outage while the file was … Continue reading

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IECHost: write features being worked at

As I commented previously, I finished the work required on the IECHost firmware to execute DOS commands. This means I can now roll out options such as Delete file, Validate and Format disk, all of which are useful to get … Continue reading

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IECHost: PRG import in the making

In the evening today I implemented the PRG import feature in IECHost: I can now copy data¬†from a PC to a real disk. However, the work on this¬†is not yet finished as I’ve been copying a chunk of memory initialised … Continue reading

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