cm2              2136 src/dps8/dps8_iom.c                   p -> chanMode = cm2;
cm2              2148 src/dps8/dps8_iom.c                   p -> chanMode = cm2; // !33, !35
cm2              2151 src/dps8/dps8_iom.c             case cm2:
cm2              2161 src/dps8/dps8_iom.c                   p -> chanMode = cm2; // !33, !35
cm2              2532 src/dps8/dps8_iom.c         case cm2:
cm2               184 src/dps8/dps8_iom.h     enum { /* PGE */ cm1, cm2, cm3a, cm3b, cm4, cm5,