This driver for digital I/O boards PCL-722/724/731 with 144/24/48 DIO and for digital I/O boards ACL-7122/7124/PET-48DIO with 144/24/48 DIO. It need 8255.o for operations and only immediate mode is supported. See the source for configuration de

实现仿真后的符合探测，应用于GATE仿真(After the simulation, the coincidence detection is applied to GATE simulation.)