You can find some useful Retro Gaming videos and CoCo also known as Tandy TRS-80 Color Computer videos.
Here is the first useful link:
PacoOtaktay’s Retro Area
Here is the MM/1’s RGB DB9 Pinout, which can be found on page 13-1 of the technical manual.
Continue reading MM/1 RGB DB9 Pinout
Will I just thought I would share some information for how to setup autologin on a specific tty device on the Raspberry Pi using the Raspbian distro of linux.
Continue reading Raspberry Pi Raspbian command line ( CLI ) autologin