The Terminal Device

We now study an implementation of the I/O interface described earlier for the terminal device. We first study the hardware, and then the drivers and interrupt routines for the device.

• Hardware
• The Terminal Driver
  • Upper-Half Tty Input Routines
  • Upper-Half Tty Output Routines
  • Lower-Half Output Routines
  • Lower-Half Input Processing
  • Miscellaneous