taglinefilesource code
DS0219drivers/net/de620.c#define de620_flip_ds() NIC_Cmd ^= DS0 | DS1; outb(NIC_Cmd, COMMAND_PORT);
DS0279drivers/net/de620.cbyte uflip = NIC_Cmd ^ (DS0 | DS1);
DS0316drivers/net/de620.cbyte uflip = NIC_Cmd ^ (DS0 | DS1);