Where does CoCo’s PMODE graphics memory start? (opens in new tab)

When I got my first Radio Shack TRS-80 Color Computer 1 back around 1983, I dove into the Getting Started manuals and learned all the new wonderful commands that EXTENDED COLOR BASIC offered me that my Commodore VIC-20 did not have. Commands like PLAY for music, SOUND for a beep, and graphics commands to draw […]