RISCPC accessing parallel port in BASIC
RISCPC accessing parallel port in BASIC
How to talk to a device that is connected to a parallel port?
Traditional PC parallel ports use port I/O with in / out , not MMIO. The external signal lines are mapped directly to an I/O register, ...
Programming a parallel port as digital I/O - Electronics Stack Exchange
Parallel port is dead, and USB microcontrollers are really the future IMO. If you use the HID or CDC profile you don't even need any driver ...