CD1400_TBPR       721 dev/ic/cy.c    		cd_write_reg(cy, CD1400_TBPR, obpr);
CD1400_TBPR      1258 dev/sbus/magma.c 		CD1400_WRITE_REG(cd, CD1400_TBPR, tbpr);
CD1400_TBPR      1681 dev/sbus/magma.c 		CD1400_WRITE_REG(cd, CD1400_TBPR, 10);