Tag Archives: retrocomputing

One day I’ll get them all fixed and release an updated version

I was looking at Level 6 design files for LN2 this evening when I spotted that there’s also another design issue at this level. This is the room where the rope can be collected. Have a look at the table right … Continue reading

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Change request for DC2N5-LC implemented

The other day Nuno suggested showing some version information in DC2N5-LC, and I agree that’s something that would be beneficial. Along with the version number I am now also displaying the system date and time, after a time synchronisation file has been read in, … Continue reading

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MSX and Spectravideo tapes – Side B

Recently Aki approached me with some DMP files of Spectravideo tapes he made with his DC2N4-LC. Spectravideo hardware at some point seems to have used an encoding very similar, or even the same, as the MSX. I haven’t been digging deep … Continue reading

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All file system commands implemented in my USB host replacement

By dinner time today I implemented all file system commands that USB BASIC needs access to for read/write operations: the unit tests fired by my Commodore 64 mock-up device all passed 🙂 Here’s the debug log output on the USB host replacement’s console: opendir() = 0 … Continue reading

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Host interface progress

I had some time this morning to fine tune my USB host interface mock-up. The initial software communication on top of the bus is complete: I now just need to attach an SDHC socket to my test circuit before I … Continue reading

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DC2N5 TXT viewer being worked at

Wouldn’t it be great if DC2N5 users could have a look at a user guide or cheat list before loading a TAP into their Commodore home-computer? It sure would! So here’s the initial implementation of a TXT viewer for DC2N5!

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DC2N5-LC PRG file playback

I finally found some time and motivation to add the PRG file playback feature in DC2N5-LC 🙂 Although I had implemented a PC tool for aiding this development, PRG2TAP, I decided to rewrite the whole conversion using some code I had drafted before I … Continue reading

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