August 18, 1977 Contents of this directory are as follows: opc.d Description of machine opcodes. OPnames.h Opcode data for put.c - comes from opc.d via makeopc. opcode.h Opcode #defines - made from opc.d by makeopc. picture Pretty picture of abstract machine opcodes. trdata Data pertaining to the parse tree. tree.h Tree defines from trdata out of maketrdata. TRdata.c Tree description and printing names of operators.