RS               4186 src/dps8/dps8_cpu.c     PNL (putbits36_9 (& w0,  0,       cpu.ou.RS);)
RS               4205 src/dps8/dps8_cpu.c     PNL (putbits36_9 (& w0,  18,      cpu.ou.RS);)
RS               4229 src/dps8/dps8_cpu.c          (word10) ~opcodes10 [cpu.ou.RS].reg_use);)
RS                786 src/dps8/dps8_cpu.h     word9 RS;
RS               2287 src/dps8/dps8_ins.c     PNL (cpu.ou.RS = (word9) i->opcode);
RS                 90 src/simh/sim_defs.h # ifdef RS