HelenOS sources
CR_PS_P0 125 uspace/drv/nic/ne2k/dp8390.c pio_write_8(ne2k->port + DP_CR, CR_DM_RR | CR_PS_P0 | CR_STA);
CR_PS_P0 150 uspace/drv/nic/ne2k/dp8390.c pio_write_8(ne2k->port + DP_CR, CR_DM_RW | CR_PS_P0 | CR_STA);
CR_PS_P0 217 uspace/drv/nic/ne2k/dp8390.c pio_write_8(ne2k->port + DP_CR, CR_DM_RR | CR_PS_P0 | CR_STA);
CR_PS_P0 229 uspace/drv/nic/ne2k/dp8390.c pio_write_8(ne2k->port + DP_CR, CR_PS_P0 | CR_DM_ABORT | CR_STP);
CR_PS_P0 235 uspace/drv/nic/ne2k/dp8390.c pio_write_8(ne2k->port + DP_CR, CR_DM_RW | CR_PS_P0 | CR_STA);
CR_PS_P0 285 uspace/drv/nic/ne2k/dp8390.c pio_write_8(ne2k->port + DP_CR, CR_PS_P0 | CR_STP | CR_DM_ABORT);
CR_PS_P0 334 uspace/drv/nic/ne2k/dp8390.c pio_write_8(ne2k->port + DP_CR, CR_PS_P0 | CR_DM_ABORT | CR_STA);
CR_PS_P0 491 uspace/drv/nic/ne2k/dp8390.c pio_write_8(ne2k->port + DP_CR, CR_PS_P0 | CR_STA);
CR_PS_P0 505 uspace/drv/nic/ne2k/dp8390.c pio_write_8(ne2k->port + DP_CR, CR_DM_RR | CR_PS_P0 | CR_STA);
CR_PS_P0 670 uspace/drv/nic/ne2k/dp8390.c pio_write_8(ne2k->port + DP_CR, CR_PS_P0 | CR_DM_ABORT | CR_STA);
HelenOS homepage, sources at GitHub