last_mbx_req_count  355 src/dps8/dps8_dia.c     word36 last_mbx_req_count;
last_mbx_req_count  282 src/dps8/dps8_fnp2.h     word36 last_mbx_req_count;
last_mbx_req_count  120 src/dps8/dps8_fnp2_iomcmd.c     sim_printf ("last_mbx_req_count %012llo\n", (long long unsigned int) mbx.last_mbx_req_count);