NMBOX_BMASK      5267 dev/ic/isp.c   	ibits = HIBYT(mcp[opcode]) & NMBOX_BMASK(isp);
NMBOX_BMASK      5268 dev/ic/isp.c   	obits = LOBYT(mcp[opcode]) & NMBOX_BMASK(isp);
NMBOX_BMASK      5314 dev/ic/isp.c   	ibits = HIBYT(mcp[opcode]) & NMBOX_BMASK(isp);
NMBOX_BMASK      5315 dev/ic/isp.c   	obits = LOBYT(mcp[opcode]) & NMBOX_BMASK(isp);