Module io

I/O with keyboard, cga screen and serial

Structs

• CGASCREEN_GLOBAL

Statics

• SERIAL_GLOBAL
  the global serial writer, this is not synchronized. Used for debugging where locking is not available

Functions

• _print
• _serial_print
• back_space
• clear_screen
  clear_screen removes the content but doesn’t reset the cursor
• panic 🔒
• print_help
• print_welcome
• read_key
• reset_screen
  reset_screen also resets the cursor
• set_attr