by Sjaak | Jul 25, 2016 | Blog, product, Prototyping, vintage |
After some revisions of this project I decided to split the project in an EPROM and SRAM version. The EPROM version should be good for the general audience and the SRAM version for developers. The most obvious thing to program the EPROM with is EPYX fastloader as this...
by Sjaak | Jun 7, 2016 | Blog, PCB, product, vintage |
Together with the PCBs came in a new revision of the C64/SX64 RAM Cartridge with onboard SD2IEC. It has a completely new layout and was tailor made to a C64 Cartridge shell I got from Ebay. Now I had more PCB estate at my disposal so the layout is much cleaner and...
by Sjaak | May 18, 2016 | Blog, PCB, Prototyping, vintage |
It has been a while that I ordered some PCBs.. I got a bit scared by my own post , so it took a while for sending them in. As usual I use the DHL option, but as I feared there were custom troubles again. I managed to contact customer service and got it somewhat...
by Sjaak | Dec 22, 2015 | Blog, PCB, product, Prototyping, vintage |
Today came in the Atmega644P’s in TQFP package I scored on eBay. Today I’m focussing on the SD2IEC part of the RAM cartridge. I was a bit scary to order them there as ebay is wellknown for knockoffs, nonworking or rebadged stuff. Even the big players...
by Sjaak | Dec 8, 2015 | Blog, PCB, Prototyping, vintage |
As said in the previous post I have made a couple of PCB’s and they have arrived this week. Today I’m testing my design of a 23C64A to regular EPROM adapter. It will take upto a 64KB EPROM (27C512). I’m a bit hesitating to fit a prototype into my...
