Making a C64/C65 compatible computer
Sunday, 11 December 2022
DIY Keyboard revB works!
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Over the past couple of weeks I have managed to fix the known issues with the DIY keyboard, order new PCBs, receive them, assemble one, incl...
1 comment:
Monday, 21 November 2022
Progress on the DIY Keyboard
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As I have explained in recent blog posts, I am working on an alternate PCB design for the keyboard, with a couple of goals, the chief of whi...
3 comments:
Wednesday, 16 November 2022
Working around 74LVC165 supply problems for the MEGA65 Expansion Board
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I mentioned in a previous blog post I mentioned that the expansion board was designed around using the 74LVC165 shift register for reading t...
4 comments:
Sunday, 30 October 2022
Let's start doing something about those missing expansion ports
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The MEGA65 case has a bunch of cut-outs for ports that we didn't include on the motherboard, to prevent the cost from being increased mo...
10 comments:
Saturday, 29 October 2022
MEGA65 MK-II Keyboard PCB Design
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Chipaggedon is still raging. The little FPGA we use in the MEGA65's keyboard has a lead time of 90 weeks . This shows just how crazy thi...
2 comments:
Monday, 17 October 2022
DIY USB JTAG and UART connection for the MEGA65
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The best way to connect to a MEGA65 from a PC, is using the TE0790-03 FPGA JTAG Adapter from Trenz Electronic . There are several reasons fo...
Saturday, 8 October 2022
Adding proportional text support to the MEGA65's "web" browser
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In the previous post I sorted out the Ethernet and TCP stack bugs that were preventing the browser from working, as well as getting some of ...
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