Monthly Archives: December 2013

DC2N3 prototypes: new boards arrived!

Today I got the new printed circuit boards for a different DC2N3 prototype. Unfortunately I am not sure I will have the time to build one before I go on holiday, but I managed to test one of the boards … Continue reading

Posted in Retrocomputing, Technical | Tagged , , , , , , , , , | 1 Comment

DC2N3: bootloader porting to 128kB flash MCU

The porting of the DC2N3 bootloader to a different MCU with 128kB of flash has revealed a few challenges, mostly in the low level string access utilities I use for strings stored in flash memory. In fact the 16-bit pointers I … Continue reading

Posted in Retrocomputing, Technical | Tagged , , , , , , | Leave a comment

USBhost-64: C drivers

I finished writing and testing the C version of the drivers for USBhost-64 parallel and serial interfaces (so far I had only written drivers in Assembly). These new drivers will be used for USB-Commander, scheduled to be released early in … Continue reading

Posted in Retrocomputing, Technical | Tagged , , , , , , , | Leave a comment

RTC Module: more development

I eventually had some time to put together a setup utility for my RTC module for the Commodore 64 (and similar home computers). Here’s a preview:

Posted in Retrocomputing, Technical | Tagged , , , , , , | Leave a comment

DC2N3: new firmware release 1.5

With this minor revision update from 1.4 it is now possible to update the internal date/time of the DC2N3 by putting a small text file on the USB drive. Such file has to specify the current date/time in the following … Continue reading

Posted in Retrocomputing, Technical | Tagged , , , , , , , , , | Leave a comment

DC2N3: more reports

I just had reports of DC2N3 having been tested fine with a Corsair Voyager GT USB 3.0 32GB flashdrive 🙂

Posted in Retrocomputing, Technical | Tagged , , , , , , , , , , | Leave a comment

DC2N3: more experimenting

I decided to try hooking the display I was recently testing to the DC2N3 and see how it looks like 🙂 A picture of the test circuit:

Posted in Retrocomputing, Technical | Tagged , , , , , , , , , , | Leave a comment