By Jim Butterfield Originally published in Compute! July 1983 (page 178) The Serial bus connects VIC or Commodore 64 to its major peripherals, especially disk and tape. The workings of this interface have been a source of bafflement to most of us. We know that it's somehow related to the IEEE-488 bus which is used … Continue reading How the VIC/64 Serial Port Works
Electronics
C64/128 Port Pinouts
I've decided to collect these from the Internet to save time looking for them. IEC Serial Port C64 - Wiki: Serial PortHow the VIC/64 Serial Port Works: Compute! July 1983 The Video/Audio Output Port Very early versions of the Commodore 64 did not have pins 6, 7, or 8. Commodore 128 RBGI Port Commodore 128 … Continue reading C64/128 Port Pinouts
Power Supply (updated)
Power Supply
I needed a power supply that could give out enough peak current to power at least three Raspberry Pi 2s. Just idle one Raspberry Pi 2 can draw almost 500 mA but at peak processing speed one can draw around 2 Amps at 5V. I didn't want to have to have three "wall warts" so I … Continue reading Power Supply