HelenOS sources

CR_TXP            204 uspace/drv/nic/ne2k/dp8390.c 	if ((val & (CR_STP | CR_TXP | CR_DM_ABORT)) != (CR_STP | CR_DM_ABORT))
CR_TXP            436 uspace/drv/nic/ne2k/dp8390.c 	pio_write_8(ne2k->port + DP_CR, CR_TXP | CR_STA);
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